From 93a6deefd45abf4ff397f1f4fabdaa2ca3973329 Mon Sep 17 00:00:00 2001
From: Konstantin Porokhov <porohov@surf.dev>
Date: Tue, 25 Jul 2023 15:25:57 +0400
Subject: [PATCH 1/3] created strategies

---
 .../PaginatableCollectionViewController.swift |  21 ++-
 ...nPaginatableCollectionViewController.swift |  78 ++++------
 .../PaginatableTableViewController.swift      |  17 ++-
 ...ectionPaginatableTableViewController.swift |  65 +++------
 Gemfile.lock                                  |  13 +-
 .../CollectionPaginatablePlugin.swift         | 100 +++++++------
 .../CollectionTopPaginatablePlugin.swift      | 134 ------------------
 .../PaginationState.swift                     |  14 ++
 .../PagingDirection.swift                     |  32 +++++
 .../Protocols/ContentOffsetStateKeeper.swift  |  28 ++++
 .../Protocols/PageIndexPathComparator.swift   |  18 +++
 .../Protocols/PaginationViewManager.swift     |  16 +++
 .../Strategy/BottomPaginationStrategy.swift   |  51 +++++++
 .../Strategy/TopPaginationStrategy.swift      |  66 +++++++++
 .../TablePaginatablePlugin.swift              | 105 ++++++++------
 15 files changed, 405 insertions(+), 353 deletions(-)
 delete mode 100644 Source/Collection/Plugins/PluginAction/CollectionTopPaginatablePlugin.swift
 create mode 100644 Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PaginationState.swift
 create mode 100644 Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PagingDirection.swift
 create mode 100644 Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift
 create mode 100644 Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PageIndexPathComparator.swift
 create mode 100644 Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PaginationViewManager.swift
 create mode 100644 Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/BottomPaginationStrategy.swift
 create mode 100644 Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/TopPaginationStrategy.swift
 rename Source/Table/Plugins/PluginAction/{ => TablePaginatablePlugin}/TablePaginatablePlugin.swift (67%)

diff --git a/Example/ReactiveDataDisplayManager/Collection/PaginatableCollectionViewController/PaginatableCollectionViewController.swift b/Example/ReactiveDataDisplayManager/Collection/PaginatableCollectionViewController/PaginatableCollectionViewController.swift
index 3471153f1..94ed43efc 100644
--- a/Example/ReactiveDataDisplayManager/Collection/PaginatableCollectionViewController/PaginatableCollectionViewController.swift
+++ b/Example/ReactiveDataDisplayManager/Collection/PaginatableCollectionViewController/PaginatableCollectionViewController.swift
@@ -28,7 +28,7 @@ final class PaginatableCollectionViewController: UIViewController {
     private lazy var progressView = PaginatorView(frame: .init(x: 0, y: 0, width: collectionView.frame.width, height: 80))
 
     private lazy var adapter = collectionView.rddm.baseBuilder
-        .add(plugin: .paginatable(progressView: progressView, output: self))
+        .add(plugin: .bottomPaginatable(progressView: progressView, output: self))
         .build()
 
     private weak var paginatableInput: PaginatableInput?
@@ -72,8 +72,8 @@ private extension PaginatableCollectionViewController {
         activityIndicator.startAnimating()
 
         // hide footer
-        paginatableInput?.updatePagination(canIterate: false)
-        paginatableInput?.updateProgress(isLoading: false)
+        paginatableInput?.updatePaginationEnabled(false, at: .forward(.bottom))
+        paginatableInput?.updatePaginationState(.idle, at: .forward(.bottom))
 
         // imitation of loading first page
         delay(.now() + .seconds(3)) { [weak self] in
@@ -84,7 +84,7 @@ private extension PaginatableCollectionViewController {
             self?.activityIndicator?.stopAnimating()
 
             // show footer
-            self?.paginatableInput?.updatePagination(canIterate: true)
+            self?.paginatableInput?.updatePaginationEnabled(true, at: .forward(.bottom))
         }
     }
 
@@ -137,24 +137,23 @@ private extension PaginatableCollectionViewController {
 
 extension PaginatableCollectionViewController: PaginatableOutput {
 
-    func onPaginationInitialized(with input: PaginatableInput) {
+    func onPaginationInitialized(with input: PaginatableInput, at direction: PagingDirection) {
         paginatableInput = input
     }
 
-    func loadNextPage(with input: PaginatableInput) {
+    func loadNextPage(with input: PaginatableInput, at direction: PagingDirection) {
 
-        input.updateProgress(isLoading: true)
+        input.updatePaginationState(.loading, at: direction)
 
         delay(.now() + .seconds(3)) { [weak self, weak input] in
             let canFillNext = self?.canFillNext() ?? false
             if canFillNext {
                 let canIterate = self?.fillNext() ?? false
 
-                input?.updateProgress(isLoading: false)
-                input?.updatePagination(canIterate: canIterate)
+                input?.updatePaginationState(.idle, at: direction)
+                input?.updatePaginationEnabled(canIterate, at: direction)
             } else {
-                input?.updateProgress(isLoading: false)
-                input?.updateError(SampleError.sample)
+                input?.updatePaginationState(.error(SampleError.sample), at: direction)
             }
         }
     }
diff --git a/Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/TwoDirectionPaginatableCollectionViewController.swift b/Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/TwoDirectionPaginatableCollectionViewController.swift
index ee7d180c6..35a4d14c4 100644
--- a/Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/TwoDirectionPaginatableCollectionViewController.swift
+++ b/Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/TwoDirectionPaginatableCollectionViewController.swift
@@ -44,14 +44,12 @@ final class TwoDirectionPaginatableCollectionViewController: UIViewController {
                                                                        height: Constants.paginatorHeight))
 
     private lazy var adapter = collectionView.rddm.baseBuilder
-        .add(plugin: .paginatable(progressView: bottomProgressView, output: self))
-        .add(plugin: .topPaginatable(progressView: topProgressView,
-                                     output: self,
-                                     isSaveScrollPositionNeeded: true))
+        .add(plugin: .bottomPaginatable(progressView: bottomProgressView, output: self))
+        .add(plugin: .topPaginatable(progressView: topProgressView, output: self))
         .build()
 
     private weak var bottomPaginatableInput: PaginatableInput?
-    private weak var topPaginatableInput: TopPaginatableInput?
+    private weak var topPaginatableInput: PaginatableInput?
 
     private var isFirstPageLoading = true
     private var currentTopPage = 0
@@ -95,10 +93,10 @@ private extension TwoDirectionPaginatableCollectionViewController {
         activityIndicator.startAnimating()
 
         // hide footer
-        bottomPaginatableInput?.updatePagination(canIterate: false)
-        topPaginatableInput?.updatePagination(canIterate: false)
-        bottomPaginatableInput?.updateProgress(isLoading: false)
-        topPaginatableInput?.updateProgress(isLoading: false)
+        bottomPaginatableInput?.updatePaginationEnabled(false, at: .forward(.bottom))
+        topPaginatableInput?.updatePaginationEnabled(false, at: .backward(.top))
+        bottomPaginatableInput?.updatePaginationState(.idle, at: .forward(.bottom))
+        topPaginatableInput?.updatePaginationState(.loading, at: .backward(.top))
 
         // imitation of loading first page
         delay(.now() + .seconds(3)) { [weak self] in
@@ -112,8 +110,8 @@ private extension TwoDirectionPaginatableCollectionViewController {
             self?.collectionView.scrollToItem(at: Constants.firstPageMiddleIndexPath, at: .centeredVertically, animated: false)
 
             // show pagination loader if update is needed
-            self?.bottomPaginatableInput?.updatePagination(canIterate: true)
-            self?.topPaginatableInput?.updatePagination(canIterate: true)
+            self?.bottomPaginatableInput?.updatePaginationEnabled(true, at: .forward(.bottom))
+            self?.topPaginatableInput?.updatePaginationEnabled(true, at: .backward(.top))
         }
     }
 
@@ -188,52 +186,34 @@ private extension TwoDirectionPaginatableCollectionViewController {
 
 extension TwoDirectionPaginatableCollectionViewController: PaginatableOutput {
 
-    func onPaginationInitialized(with input: PaginatableInput) {
-        bottomPaginatableInput = input
+    func onPaginationInitialized(with input: PaginatableInput, at direction: PagingDirection) {
+        switch direction {
+        case .backward:
+            topPaginatableInput = input
+        case .forward:
+            bottomPaginatableInput = input
+        }
     }
 
-    func loadNextPage(with input: PaginatableInput) {
+    func loadNextPage(with input: PaginatableInput, at direction: PagingDirection) {
 
-        input.updateProgress(isLoading: true)
+        input.updatePaginationState(.loading, at: direction)
 
         delay(.now() + .seconds(3)) { [weak self, weak input] in
             let canFillNext = self?.canFillPages() ?? false
             if canFillNext {
-                let canIterate = self?.fillNext() ?? false
-
-                input?.updateProgress(isLoading: false)
-                input?.updatePagination(canIterate: canIterate)
-            } else {
-                input?.updateProgress(isLoading: false)
-                input?.updateError(SampleError.sample)
-            }
-        }
-    }
-
-}
-
-// MARK: - TopPaginatableOutput
-
-extension TwoDirectionPaginatableCollectionViewController: TopPaginatableOutput {
-
-    func onTopPaginationInitialized(with input: ReactiveDataDisplayManager.TopPaginatableInput) {
-        topPaginatableInput = input
-    }
-
-    func loadPrevPage(with input: ReactiveDataDisplayManager.TopPaginatableInput) {
-        input.updateProgress(isLoading: true)
-
-        delay(.now() + .seconds(2)) { [weak self, weak input] in
-            guard let self = self else {
-                return
-            }
-            if self.canFillPages() {
-                let canIterate = self.fillPrev()
-                input?.updateProgress(isLoading: false)
-                input?.updatePagination(canIterate: canIterate)
+                let canIterate: Bool
+                switch direction {
+                case .backward:
+                    canIterate = self?.fillPrev() ?? false
+                case .forward:
+                    canIterate = self?.fillNext() ?? false
+                }
+
+                input?.updatePaginationState(.idle, at: direction)
+                input?.updatePaginationEnabled(canIterate, at: direction)
             } else {
-                input?.updateProgress(isLoading: false)
-                input?.updateError(SampleError.sample)
+                input?.updatePaginationState(.error(SampleError.sample), at: direction)
             }
         }
     }
diff --git a/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift b/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift
index d8e2878bf..7ed232694 100644
--- a/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift
+++ b/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift
@@ -72,7 +72,7 @@ private extension PaginatableTableViewController {
         activityIndicator.startAnimating()
 
         // hide footer
-        paginatableInput?.updatePagination(canIterate: false)
+        paginatableInput?.updatePaginationEnabled(false, at: .forward(.bottom))
 
         // imitation of loading first page
         delay(.now() + .seconds(3)) { [weak self] in
@@ -85,7 +85,7 @@ private extension PaginatableTableViewController {
             self?.activityIndicator?.isHidden = true
 
             // show footer
-            self?.paginatableInput?.updatePagination(canIterate: true)
+            self?.paginatableInput?.updatePaginationEnabled(true, at: .forward(.bottom))
         }
     }
 
@@ -130,24 +130,23 @@ private extension PaginatableTableViewController {
 
 extension PaginatableTableViewController: PaginatableOutput {
 
-    func onPaginationInitialized(with input: PaginatableInput) {
+    func onPaginationInitialized(with input: PaginatableInput, at direction: PagingDirection) {
         paginatableInput = input
     }
 
-    func loadNextPage(with input: PaginatableInput) {
+    func loadNextPage(with input: PaginatableInput, at direction: ReactiveDataDisplayManager.PagingDirection) {
 
-        input.updateProgress(isLoading: true)
+        input.updatePaginationState(.loading, at: direction)
 
         delay(.now() + .seconds(3)) { [weak self, weak input] in
             let canFillNext = self?.canFillNext() ?? false
             if canFillNext {
                 let canIterate = self?.fillNext() ?? false
 
-                input?.updateProgress(isLoading: false)
-                input?.updatePagination(canIterate: canIterate)
+                input?.updatePaginationState(.idle, at: direction)
+                input?.updatePaginationEnabled(canIterate, at: direction)
             } else {
-                input?.updateProgress(isLoading: false)
-                input?.updateError(SampleError.sample)
+                input?.updatePaginationState(.error(SampleError.sample), at: direction)
             }
         }
     }
diff --git a/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift b/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift
index 453cc312b..eaed68750 100644
--- a/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift
+++ b/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift
@@ -43,15 +43,12 @@ final class TwoDirectionPaginatableTableViewController: UIViewController {
                                                                   height: Constants.paginatorViewHeight))
 
     private lazy var adapter = tableView.rddm.manualBuilder
-        .add(plugin: .paginatable(progressView: bottomProgressView,
-                                  output: self))
-        .add(plugin: .topPaginatable(progressView: topProgressView,
-                                     output: self,
-                                     isSaveScrollPositionNeeded: true))
+        .add(plugin: .paginatable(progressView: topProgressView, output: self, direction: .backward(.top)))
+//        .add(plugin: .paginatable(progressView: bottomProgressView, output: self))
         .build()
 
     private weak var bottomPaginatableInput: PaginatableInput?
-    private weak var topPaginatableInput: TopPaginatableInput?
+    private weak var topPaginatableInput: PaginatableInput?
 
     private var isFirstPageLoading = true
     private var currentTopPage = 0
@@ -94,8 +91,8 @@ private extension TwoDirectionPaginatableTableViewController {
         activityIndicator.startAnimating()
 
         // hide footer and header
-        bottomPaginatableInput?.updatePagination(canIterate: false)
-        topPaginatableInput?.updatePagination(canIterate: false)
+        bottomPaginatableInput?.updatePaginationEnabled(false, at: .forward(.bottom))
+        topPaginatableInput?.updatePaginationEnabled(false, at: .backward(.top))
 
         // imitation of loading first page
         delay(.now() + .seconds(1)) { [weak self] in
@@ -111,8 +108,8 @@ private extension TwoDirectionPaginatableTableViewController {
             self?.activityIndicator?.isHidden = true
 
             // show pagination loader if update is needed
-            self?.bottomPaginatableInput?.updatePagination(canIterate: true)
-            self?.topPaginatableInput?.updatePagination(canIterate: true)
+            self?.bottomPaginatableInput?.updatePaginationEnabled(true, at: .forward(.bottom))
+            self?.topPaginatableInput?.updatePaginationEnabled(true, at: .backward(.top))
         }
     }
 
@@ -180,12 +177,17 @@ private extension TwoDirectionPaginatableTableViewController {
 
 extension TwoDirectionPaginatableTableViewController: PaginatableOutput {
 
-    func onPaginationInitialized(with input: PaginatableInput) {
-        bottomPaginatableInput = input
+    func onPaginationInitialized(with input: PaginatableInput, at direction: PagingDirection) {
+        switch direction {
+        case .backward:
+            topPaginatableInput = input
+        case .forward:
+            bottomPaginatableInput = input
+        }
     }
 
-    func loadNextPage(with input: PaginatableInput) {
-        input.updateProgress(isLoading: true)
+    func loadNextPage(with input: PaginatableInput, at direction: PagingDirection) {
+        input.updatePaginationState(.loading, at: direction)
 
         delay(.now() + .seconds(2)) { [weak self, weak input] in
             let canFillPages = self?.canFillPages() ?? false
@@ -193,39 +195,10 @@ extension TwoDirectionPaginatableTableViewController: PaginatableOutput {
             if canFillPages {
                 let canIterate = self?.fillNext() ?? false
 
-                input?.updateProgress(isLoading: false)
-                input?.updatePagination(canIterate: canIterate)
-            } else {
-                input?.updateProgress(isLoading: false)
-                input?.updateError(SampleError.sample)
-            }
-        }
-    }
-
-}
-
-// MARK: - TopPaginatableOutput
-
-extension TwoDirectionPaginatableTableViewController: TopPaginatableOutput {
-
-    func onTopPaginationInitialized(with input: TopPaginatableInput) {
-        topPaginatableInput = input
-    }
-
-    func loadPrevPage(with input: TopPaginatableInput) {
-        input.updateProgress(isLoading: true)
-
-        delay(.now() + .seconds(2)) { [weak self, weak input] in
-            guard let self = self else {
-                return
-            }
-            if self.canFillPages() {
-                let canIterate = self.fillPrev()
-                input?.updateProgress(isLoading: false)
-                input?.updatePagination(canIterate: canIterate)
+                input?.updatePaginationState(.idle, at: direction)
+                input?.updatePaginationEnabled(canIterate, at: direction)
             } else {
-                input?.updateProgress(isLoading: false)
-                input?.updateError(SampleError.sample)
+                input?.updatePaginationState(.error(SampleError.sample), at: direction)
             }
         }
     }
diff --git a/Gemfile.lock b/Gemfile.lock
index 2de8cb52b..fde5de546 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     CFPropertyList (3.0.6)
       rexml
-    activesupport (6.1.7.3)
+    activesupport (6.1.7.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -67,16 +67,16 @@ GEM
     i18n (1.13.0)
       concurrent-ruby (~> 1.0)
     json (2.6.3)
-    minitest (5.18.0)
+    minitest (5.18.1)
     molinillo (0.8.0)
     nanaimo (0.3.0)
     nap (1.1.0)
     netrc (0.11.0)
-    nokogiri (1.15.2-arm64-darwin)
+    nokogiri (1.13.10-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.2-x86_64-darwin)
+    nokogiri (1.13.10-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.2-x86_64-linux)
+    nokogiri (1.13.10-x86_64-linux)
       racc (~> 1.4)
     public_suffix (4.0.7)
     racc (1.6.2)
@@ -105,6 +105,7 @@ GEM
     zeitwerk (2.6.8)
 
 PLATFORMS
+  arm64-darwin-21
   arm64-darwin-22
   x86_64-darwin-21
   x86_64-linux
@@ -115,4 +116,4 @@ DEPENDENCIES
   xcpretty (~> 0.3.0)
 
 BUNDLED WITH
-   2.4.6
+   2.3.26
diff --git a/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift b/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
index 7326321f0..f47f14c50 100644
--- a/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
+++ b/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
@@ -27,8 +27,12 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
 
     private var isLoading = false
     private var isErrorWasReceived = false
+    private var direction: PagingDirection
 
-    private weak var collectionView: UICollectionView?
+    // MARK: - Properties
+
+    weak var collectionView: UICollectionView?
+    var paginationStrategy: PaginationStrategy?
 
     /// Property which indicating availability of pages
     public private(set) var canIterate = false {
@@ -37,16 +41,12 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
                 guard progressView.superview == nil else {
                     return
                 }
-
-                collectionView?.addSubview(progressView)
-                collectionView?.contentInset.bottom += progressView.frame.height
+                paginationStrategy?.addPafinationView()
             } else {
                 guard progressView.superview != nil else {
                     return
                 }
-
-                progressView.removeFromSuperview()
-                collectionView?.contentInset.bottom -= progressView.frame.height
+                paginationStrategy?.removePafinationView()
             }
         }
     }
@@ -55,23 +55,26 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
 
     /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
     /// - parameter output: output signals to hide  `progressView` from footer
-    init(progressView: ProgressView, with output: PaginatableOutput) {
+    init(progressView: ProgressView, with output: PaginatableOutput, direction: PagingDirection = .forward(.bottom)) {
         self.progressView = progressView
         self.output = output
+        self.direction = direction
     }
 
     // MARK: - BaseTablePlugin
 
     public override func setup(with manager: BaseCollectionManager?) {
         collectionView = manager?.view
+        paginationStrategy?.scrollView = manager?.view
+        paginationStrategy?.progressView = progressView
         canIterate = false
-        output?.onPaginationInitialized(with: self)
+        output?.onPaginationInitialized(with: self, at: direction)
         self.progressView.setOnRetry { [weak self] in
-            guard let input = self, let output = self?.output else {
+            guard let input = self, let output = self?.output, let direction = self?.direction else {
                 return
             }
             self?.isErrorWasReceived = false
-            output.loadNextPage(with: input)
+            output.loadNextPage(with: input, at: direction)
         }
     }
 
@@ -80,52 +83,43 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
         switch event {
         case .willDisplayCell(let indexPath):
             if progressView.frame.minY != collectionView?.contentSize.height {
-                setProgressViewFinalFrame()
+                paginationStrategy?.setProgressViewFinalFrame()
             }
-            guard let sections = manager?.sections, !isErrorWasReceived else {
-                return
-            }
-            let lastSectionIndex = sections.count - 1
-            let lastCellInLastSectionIndex = sections[lastSectionIndex].generators.count - 1
-
-            let lastCellIndexPath = IndexPath(row: lastCellInLastSectionIndex, section: lastSectionIndex)
-            guard indexPath == lastCellIndexPath, canIterate, !isLoading else {
+            guard indexPath == paginationStrategy?.getIndexPath(with: manager), canIterate, !isLoading, !isErrorWasReceived else {
                 return
             }
-
-            output?.loadNextPage(with: self)
+            output?.loadNextPage(with: self, at: self.direction)
         default:
             break
         }
     }
 
-    // MARK: - Private methods
-
-    func setProgressViewFinalFrame() {
-        // Hack: Update progressView position. Imitation of global footer view like `tableFooterView`
-        progressView.frame = .init(origin: .init(x: progressView.frame.origin.x,
-                                                 y: collectionView?.contentSize.height ?? 0),
-                                   size: progressView.frame.size)
-    }
-
 }
 
 // MARK: - PaginatableInput
 
 extension CollectionPaginatablePlugin: PaginatableInput {
 
-    public func updateProgress(isLoading: Bool) {
-        self.isLoading = isLoading
-        progressView.showProgress(isLoading)
-    }
+    public func updatePaginationEnabled(_ canIterate: Bool, at direction: PagingDirection) {
+        self.canIterate = canIterate
+        self.direction = direction
 
-    public func updateError(_ error: Error?) {
-        progressView.showError(error)
-        isErrorWasReceived = true
+        paginationStrategy?.resetOffset(canIterate: canIterate)
     }
 
-    public func updatePagination(canIterate: Bool) {
-        self.canIterate = canIterate
+    public func updatePaginationState(_ state: PaginationState, at direction: PagingDirection) {
+        switch state {
+        case .idle:
+            isLoading = false
+        case .loading:
+            isLoading = true
+            paginationStrategy?.saveCurrentState()
+        case .error(let error):
+            isLoading = false
+            isErrorWasReceived = true
+            progressView.showError(error)
+        }
+        progressView.showProgress(isLoading)
     }
 
 }
@@ -141,23 +135,25 @@ public extension BaseCollectionPlugin {
     ///
     /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
     /// - parameter output: output signals to hide  `progressView` from footer
-    static func paginatable(progressView: CollectionPaginatablePlugin.ProgressView,
-                            output: PaginatableOutput) -> CollectionPaginatablePlugin {
-        .init(progressView: progressView, with: output)
+    static func topPaginatable(progressView: CollectionPaginatablePlugin.ProgressView,
+                               output: PaginatableOutput) -> CollectionPaginatablePlugin {
+        let plugin = CollectionPaginatablePlugin(progressView: progressView, with: output, direction: .backward(.top))
+        plugin.paginationStrategy = TopPaginationStrategy()
+        return plugin
     }
 
-    /// Plugin to display `progressView` while previous page is loading
+    /// Plugin to display `progressView` while next page is loading
     ///
-    /// Show `progressView` on `willDisplay` first cell.
+    /// Show `progressView` on `willDisplay` last cell.
     /// Hide `progressView` when finish loading request
     ///
-    /// - parameter progressView: indicator view to add inside header. Do not forget to init this view with valid frame size.
-    /// - parameter output: output signals to hide  `progressView` from header
-    static func topPaginatable(progressView: CollectionTopPaginatablePlugin.ProgressView,
-                               output: TopPaginatableOutput,
-                               isSaveScrollPositionNeeded: Bool = true) -> CollectionTopPaginatablePlugin {
-        return CollectionTopPaginatablePlugin(progressView: progressView, with: output, isSaveScrollPositionNeeded: isSaveScrollPositionNeeded)
-
+    /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
+    /// - parameter output: output signals to hide  `progressView` from footer
+    static func bottomPaginatable(progressView: CollectionPaginatablePlugin.ProgressView,
+                                  output: PaginatableOutput) -> CollectionPaginatablePlugin {
+        let plugin = CollectionPaginatablePlugin(progressView: progressView, with: output, direction: .forward(.bottom))
+        plugin.paginationStrategy = BottomPaginationStrategy()
+        return plugin
     }
 
 }
diff --git a/Source/Collection/Plugins/PluginAction/CollectionTopPaginatablePlugin.swift b/Source/Collection/Plugins/PluginAction/CollectionTopPaginatablePlugin.swift
deleted file mode 100644
index 8f8ea9263..000000000
--- a/Source/Collection/Plugins/PluginAction/CollectionTopPaginatablePlugin.swift
+++ /dev/null
@@ -1,134 +0,0 @@
-//
-//  CollectionTopPaginatablePlugin.swift
-//  ReactiveDataDisplayManager
-//
-//  Created by Антон Голубейков on 23.06.2023.
-//
-
-import UIKit
-
-/// Plugin to display `progressView` while prevous page is loading
-///
-/// Show `progressView` on `willDisplay` first cell.
-/// Hide `progressView` when finish loading request
-///
-/// - Warning: Specify itemSize of your layout to proper `willDisplay` calls and correct `contentSize`
-public class CollectionTopPaginatablePlugin: BaseCollectionPlugin<CollectionEvent> {
-
-    // MARK: - Nested types
-
-    public typealias ProgressView = UIView & ProgressDisplayableItem
-
-    // MARK: - Private Properties
-
-    private let progressView: ProgressView
-    private weak var output: TopPaginatableOutput?
-    private let isSaveScrollPositionNeeded: Bool
-
-    private var isLoading = false
-    private var isErrorWasReceived = false
-
-    private weak var collectionView: UICollectionView?
-
-    private var currentContentHeight: CGFloat?
-
-    /// Property which indicating availability of pages
-    public private(set) var canIterate = false {
-        didSet {
-            if canIterate {
-                guard progressView.superview == nil else {
-                    return
-                }
-
-                collectionView?.addSubview(progressView)
-                collectionView?.contentInset.top += progressView.frame.height
-            } else {
-                guard progressView.superview != nil else {
-                    return
-                }
-
-                progressView.removeFromSuperview()
-                collectionView?.contentInset.top -= progressView.frame.height
-            }
-        }
-    }
-
-    // MARK: - Initialization
-
-    /// - parameter progressView: indicator view to add inside header. Do not forget to init this view with valid frame size.
-    /// - parameter output: output signals to hide  `progressView` from header
-    init(progressView: ProgressView, with output: TopPaginatableOutput, isSaveScrollPositionNeeded: Bool) {
-        self.progressView = progressView
-        self.output = output
-        self.isSaveScrollPositionNeeded = isSaveScrollPositionNeeded
-    }
-
-    // MARK: - BaseTablePlugin
-
-    public override func setup(with manager: BaseCollectionManager?) {
-        collectionView = manager?.view
-        canIterate = false
-        output?.onTopPaginationInitialized(with: self)
-        self.progressView.setOnRetry { [weak self] in
-            guard let input = self, let output = self?.output else {
-                return
-            }
-            self?.isErrorWasReceived = false
-            output.loadPrevPage(with: input)
-        }
-    }
-
-    public override func process(event: CollectionEvent, with manager: BaseCollectionManager?) {
-
-        switch event {
-        case .willDisplayCell(let indexPath):
-            let firstCellIndexPath = IndexPath(row: 0, section: 0)
-            guard indexPath == firstCellIndexPath, canIterate, !isLoading, !isErrorWasReceived else {
-                return
-            }
-
-            // Hack: Update progressView position. Imitation of global header view like `tableHeaderView`
-
-            progressView.frame = .init(origin: .init(x: progressView.frame.origin.x, y: -progressView.frame.height),
-                                       size: progressView.frame.size)
-
-            output?.loadPrevPage(with: self)
-        default:
-            break
-        }
-    }
-
-}
-
-// MARK: - PaginatableInput
-
-extension CollectionTopPaginatablePlugin: TopPaginatableInput {
-
-    public func updateProgress(isLoading: Bool) {
-        self.isLoading = isLoading
-        progressView.showProgress(isLoading)
-        if isLoading {
-            currentContentHeight = collectionView?.contentSize.height
-        }
-    }
-
-    public func updateError(_ error: Error?) {
-        progressView.showError(error)
-        isErrorWasReceived = true
-    }
-
-    public func updatePagination(canIterate: Bool) {
-        self.canIterate = canIterate
-        if
-            canIterate,
-            isSaveScrollPositionNeeded,
-            let currentContentHeight = currentContentHeight,
-            let newContentHeight = collectionView?.contentSize.height
-        {
-            let finalOffset = CGPoint(x: 0, y: newContentHeight - currentContentHeight - progressView.frame.height)
-            collectionView?.setContentOffset(finalOffset, animated: false)
-            self.currentContentHeight = nil
-        }
-    }
-
-}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PaginationState.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PaginationState.swift
new file mode 100644
index 000000000..fe46b83d4
--- /dev/null
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PaginationState.swift
@@ -0,0 +1,14 @@
+//
+//  PaginationState.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 20.07.2023.
+//
+
+import Foundation
+
+public enum PaginationState {
+    case idle
+    case loading
+    case error(Error?)
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PagingDirection.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PagingDirection.swift
new file mode 100644
index 000000000..7115a158f
--- /dev/null
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PagingDirection.swift
@@ -0,0 +1,32 @@
+//
+//  PagingDirection.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 20.07.2023.
+//
+
+import Foundation
+
+public enum PagingDirection {
+
+    public enum ForwardDirection {
+        case bottom, right
+    }
+
+    public enum BackwardDirection {
+        case top, left
+    }
+
+    case backward(BackwardDirection)
+    case forward(ForwardDirection)
+
+    var isBackward: Bool {
+        switch self {
+        case .backward:
+            return true
+        case .forward:
+            return false
+        }
+    }
+
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift
new file mode 100644
index 000000000..04a3a1572
--- /dev/null
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift
@@ -0,0 +1,28 @@
+//
+//  ContentOffsetStateKeeper.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 20.07.2023.
+//
+
+import UIKit
+
+protocol ContentOffsetStateKeeper {
+
+    var scrollView: UIScrollView? { get set }
+    var progressView: UIView? { get set }
+
+    // Сохраняет contentSize.height
+    func saveCurrentState()
+
+    // Вычисляет finalOffset и устанавливает его используя setContentOffset
+    func resetOffset(canIterate: Bool)
+
+}
+
+extension ContentOffsetStateKeeper {
+
+    func saveCurrentState() { }
+    func resetOffset(canIterate: Bool) { }
+
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PageIndexPathComparator.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PageIndexPathComparator.swift
new file mode 100644
index 000000000..041287f86
--- /dev/null
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PageIndexPathComparator.swift
@@ -0,0 +1,18 @@
+//
+//  PageIndexPathComparator.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 20.07.2023.
+//
+
+import Foundation
+
+protocol PageIndexPathComparator {
+
+    // Реализация хранит weak референс на SectionsProvider для доступа к массиву генераторов.
+    var sectionProvider: (any SectionsProvider)? { get set }
+
+    // Сравнивает текущий индекс из willDisplay с последним/первым индексом.
+    func compare(currentIndexPath: IndexPath) -> Bool
+
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PaginationViewManager.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PaginationViewManager.swift
new file mode 100644
index 000000000..6de80692e
--- /dev/null
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PaginationViewManager.swift
@@ -0,0 +1,16 @@
+//
+//  PaginationViewManager.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 25.07.2023.
+//
+
+import UIKit
+
+protocol PaginationStrategy: ContentOffsetStateKeeper {
+
+    func getIndexPath(with manager: BaseCollectionManager?) -> IndexPath?
+    func addPafinationView()
+    func removePafinationView()
+    func setProgressViewFinalFrame()
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/BottomPaginationStrategy.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/BottomPaginationStrategy.swift
new file mode 100644
index 000000000..57ee499db
--- /dev/null
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/BottomPaginationStrategy.swift
@@ -0,0 +1,51 @@
+//
+//  BottomPaginationStrategy.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 25.07.2023.
+//
+
+import UIKit
+
+final class BottomPaginationStrategy: PaginationStrategy {
+
+    // MARK: - Properties
+
+    weak var scrollView: UIScrollView?
+    weak var progressView: UIView?
+
+    // MARK: - PaginationStrategy
+
+    func addPafinationView() {
+        guard let progressView = progressView else {
+            return
+        }
+        scrollView?.addSubview(progressView)
+        scrollView?.contentInset.bottom += progressView.frame.height
+    }
+
+    func removePafinationView() {
+        progressView?.removeFromSuperview()
+        scrollView?.contentInset.bottom -= progressView?.frame.height ?? .zero
+    }
+
+    func getIndexPath(with manager: BaseCollectionManager?) -> IndexPath? {
+        guard let sections = manager?.sections else {
+            return nil
+        }
+        let lastSectionIndex = sections.count - 1
+        let lastCellInLastSectionIndex = sections[lastSectionIndex].generators.count - 1
+
+        return IndexPath(row: lastCellInLastSectionIndex, section: lastSectionIndex)
+    }
+
+    func setProgressViewFinalFrame() {
+        guard let progressViewFrame = progressView?.frame else {
+            return
+        }
+        // Hack: Update progressView position. Imitation of global footer view like `tableFooterView`
+        progressView?.frame = .init(origin: .init(x: progressViewFrame.origin.x, y: scrollView?.contentSize.height ?? 0),
+                                    size: progressViewFrame.size)
+    }
+
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/TopPaginationStrategy.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/TopPaginationStrategy.swift
new file mode 100644
index 000000000..9e4cd77f3
--- /dev/null
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/TopPaginationStrategy.swift
@@ -0,0 +1,66 @@
+//
+//  TopPaginationStrategy.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 25.07.2023.
+//
+
+import UIKit
+
+final class TopPaginationStrategy: PaginationStrategy {
+
+    // MARK: - Properties
+
+    weak var scrollView: UIScrollView?
+    weak var progressView: UIView?
+
+    // MARK: - Private properties
+
+    private var currentContentHeight: CGFloat?
+
+    // MARK: - PaginationStrategy
+
+    func saveCurrentState() {
+        currentContentHeight = scrollView?.contentSize.height
+    }
+
+    func resetOffset(canIterate: Bool) {
+        guard
+            canIterate,
+            let currentContentHeight = currentContentHeight,
+            let newContentHeight = scrollView?.contentSize.height,
+            let progressViewHeight = progressView?.frame.height
+        else { return }
+
+        let finalOffset = CGPoint(x: 0, y: newContentHeight - currentContentHeight - progressViewHeight)
+        scrollView?.setContentOffset(finalOffset, animated: false)
+        self.currentContentHeight = nil
+    }
+
+    func addPafinationView() {
+        guard let progressView = progressView else {
+            return
+        }
+        scrollView?.addSubview(progressView)
+        scrollView?.contentInset.top += progressView.frame.height
+    }
+
+    func removePafinationView() {
+        progressView?.removeFromSuperview()
+        scrollView?.contentInset.top -= progressView?.frame.height ?? .zero
+    }
+
+    func getIndexPath(with manager: BaseCollectionManager?) -> IndexPath? {
+        IndexPath(row: 0, section: 0)
+    }
+
+    func setProgressViewFinalFrame() {
+        guard let progressViewFrame = progressView?.frame else {
+            return
+        }
+        // Hack: Update progressView position. Imitation of global footer view like `tableFooterView`
+        progressView?.frame = .init(origin: .init(x: progressViewFrame.origin.x, y: -progressViewFrame.height),
+                                    size: progressViewFrame.size)
+    }
+
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/TablePaginatablePlugin.swift
similarity index 67%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin.swift
rename to Source/Table/Plugins/PluginAction/TablePaginatablePlugin/TablePaginatablePlugin.swift
index 99050c022..498c6d45e 100644
--- a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin.swift
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/TablePaginatablePlugin.swift
@@ -40,17 +40,16 @@ public protocol PaginatableInput: AnyObject {
 
     /// Call this method to control availability of **loadNextPage** action
     ///
-    /// - parameter canIterate: `true` if want to use last cell will display event to execute **loadNextPage** action
-    func updatePagination(canIterate: Bool)
-
-    /// Call this method to control visibility of progressView in header/footer
-    ///
-    /// - parameter isLoading: `true` if want to show `progressView` in header/footer
-    func updateProgress(isLoading: Bool)
-
-    /// - parameter error: some error got while loading of next/previous page.
-    ///  You should transfer this error into UI representation.
-    func updateError(_ error: Error?)
+    /// - Parameters:
+    ///  - canIterate: `true` if want to use last cell will display event to execute **loadNextPage** action
+    ///  - direction: direction of pagination
+    func updatePaginationEnabled(_ canIterate: Bool, at direction: PagingDirection)
+
+    /// Call this method to control visibility of progressView in header/footer, loading/error state
+    /// - Parameters:
+    /// - state: state of pagination
+    /// - direction: direction of pagination
+    func updatePaginationState(_ state: PaginationState, at direction: PagingDirection)
 }
 
 /// Input signals to control visibility of progressView in header
@@ -77,12 +76,14 @@ public protocol PaginatableOutput: AnyObject {
     /// Called when collection has setup `TablePaginatablePlugin`
     ///
     /// - parameter input: input signals to hide  `progressView` from footer
-    func onPaginationInitialized(with input: PaginatableInput)
+    func onPaginationInitialized(with input: PaginatableInput, at direction: PagingDirection)
 
     /// Called when collection scrolled to last cell
     ///
-    /// - parameter input: input signals to hide  `progressView` from footer
-    func loadNextPage(with input: PaginatableInput)
+    /// - Parameters:
+    /// - input: input signals to hide  `progressView` from footer
+    /// - direction: direction of pagination
+    func loadNextPage(with input: PaginatableInput, at direction: PagingDirection)
 }
 
 /// Output signals for loading previous page of content
@@ -118,8 +119,12 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
 
     private var isLoading = false
     private var isErrorWasReceived = false
+    private var direction: PagingDirection
 
-    private weak var tableView: UITableView?
+    // MARK: - Properties
+
+    weak var tableView: UITableView?
+    var paginationStrategy: PaginationStrategy?
 
     /// Property which indicating availability of pages
     public private(set) var canIterate = false {
@@ -136,9 +141,10 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
 
     /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
     /// - parameter output: output signals to hide  `progressView` from footer
-    init(progressView: ProgressView, with output: PaginatableOutput) {
+    init(progressView: ProgressView, with output: PaginatableOutput, direction: PagingDirection = .forward(.bottom)) {
         self.progressView = progressView
         self.output = output
+        self.direction = direction
     }
 
     // MARK: - BaseTablePlugin
@@ -146,13 +152,13 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
     public override func setup(with manager: BaseTableManager?) {
         self.tableView = manager?.view
         self.canIterate = false
-        self.output?.onPaginationInitialized(with: self)
+        self.output?.onPaginationInitialized(with: self, at: direction)
         self.progressView.setOnRetry { [weak self] in
-            guard let input = self, let output = self?.output else {
+            guard let input = self, let output = self?.output, let direction = self?.direction else {
                 return
             }
             self?.isErrorWasReceived = false
-            output.loadNextPage(with: input)
+            output.loadNextPage(with: input, at: direction)
         }
     }
 
@@ -168,7 +174,7 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
 
             let lastCellIndexPath = IndexPath(row: lastCellInLastSectionIndex, section: lastSectionIndex)
             if indexPath == lastCellIndexPath && canIterate && !isLoading {
-                output?.loadNextPage(with: self)
+                output?.loadNextPage(with: self, at: direction)
             }
         default:
             break
@@ -181,18 +187,23 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
 
 extension TablePaginatablePlugin: PaginatableInput {
 
-    public func updateProgress(isLoading: Bool) {
-        self.isLoading = isLoading
-        progressView.showProgress(isLoading)
-    }
-
-    public func updateError(_ error: Error?) {
-        progressView.showError(error)
-        isErrorWasReceived = true
+    public func updatePaginationEnabled(_ canIterate: Bool, at direction: PagingDirection) {
+        self.canIterate = canIterate
+        self.direction = direction
     }
 
-    public func updatePagination(canIterate: Bool) {
-        self.canIterate = canIterate
+    public func updatePaginationState(_ state: PaginationState, at direction: PagingDirection) {
+        switch state {
+        case .idle:
+            isLoading = false
+        case .loading:
+            isLoading = true
+        case .error(let error):
+            isLoading = false
+            isErrorWasReceived = true
+            progressView.showError(error)
+        }
+        progressView.showProgress(isLoading)
     }
 
 }
@@ -208,25 +219,27 @@ public extension BaseTablePlugin {
     ///
     /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
     /// - parameter output: output signals to hide  `progressView` from footer
+    /// - parameter direction: direction of pagination
     static func paginatable(progressView: TablePaginatablePlugin.ProgressView,
-                            output: PaginatableOutput) -> TablePaginatablePlugin {
-        return TablePaginatablePlugin(progressView: progressView, with: output)
+                            output: PaginatableOutput,
+                            direction: PagingDirection = .forward(.bottom)) -> TablePaginatablePlugin {
+        return TablePaginatablePlugin(progressView: progressView, with: output, direction: direction)
 
     }
 
-    /// Plugin to display `progressView` while previous page is loading
-    ///
-    /// Show `progressView` on `willDisplay` first cell.
-    /// Hide `progressView` when finish loading request
-    ///
-    /// - parameter progressView: indicator view to add inside header. Do not forget to init this view with valid frame size.
-    /// - parameter output: output signals to hide  `progressView` from header
-    /// - Warning: UITableView.style must be plain style for keeping scroll position 
-    static func topPaginatable(progressView: TableTopPaginatablePlugin.ProgressView,
-                               output: TopPaginatableOutput,
-                               isSaveScrollPositionNeeded: Bool) -> TableTopPaginatablePlugin {
-        return TableTopPaginatablePlugin(progressView: progressView, with: output, isSaveScrollPositionNeeded: isSaveScrollPositionNeeded)
-
-    }
+//    /// Plugin to display `progressView` while previous page is loading
+//    ///
+//    /// Show `progressView` on `willDisplay` first cell.
+//    /// Hide `progressView` when finish loading request
+//    ///
+//    /// - parameter progressView: indicator view to add inside header. Do not forget to init this view with valid frame size.
+//    /// - parameter output: output signals to hide  `progressView` from header
+//    /// - Warning: UITableView.style must be plain style for keeping scroll position
+//    static func topPaginatable(progressView: TableTopPaginatablePlugin.ProgressView,
+//                               output: TopPaginatableOutput,
+//                               isSaveScrollPositionNeeded: Bool) -> TableTopPaginatablePlugin {
+//        return TableTopPaginatablePlugin(progressView: progressView, with: output, isSaveScrollPositionNeeded: isSaveScrollPositionNeeded)
+//
+//    }
 
 }

From 4391ad9f03b4908027c5a537743332950224b4af Mon Sep 17 00:00:00 2001
From: Konstantin Porokhov <porohov@surf.dev>
Date: Tue, 25 Jul 2023 16:54:19 +0400
Subject: [PATCH 2/3] created RightPagination strategy

---
 .../PaginatableTableViewController.swift      |  3 +-
 ...ectionPaginatableTableViewController.swift | 20 +++---
 .../CollectionPaginatablePlugin.swift         | 29 +++++----
 .../PaginationState.swift                     |  0
 .../PagingDirection.swift                     |  0
 .../Protocols/ContentOffsetStateKeeper.swift  |  0
 .../Protocols/PageIndexPathComparator.swift   |  0
 .../Protocols/PaginationViewManager.swift     |  4 +-
 .../Strategy/BottomPaginationStrategy.swift   |  8 ++-
 .../Strategy/RightPaginationStrategy.swift    | 54 ++++++++++++++++
 .../Strategy/TopPaginationStrategy.swift      |  6 +-
 .../TablePaginatablePlugin.swift              | 62 ++++++++++---------
 12 files changed, 130 insertions(+), 56 deletions(-)
 rename Source/{Table/Plugins/PluginAction/TablePaginatablePlugin => Protocols/Plugins/CommonPaginatablePlugin}/PaginationState.swift (100%)
 rename Source/{Table/Plugins/PluginAction/TablePaginatablePlugin => Protocols/Plugins/CommonPaginatablePlugin}/PagingDirection.swift (100%)
 rename Source/{Table/Plugins/PluginAction/TablePaginatablePlugin => Protocols/Plugins/CommonPaginatablePlugin}/Protocols/ContentOffsetStateKeeper.swift (100%)
 rename Source/{Table/Plugins/PluginAction/TablePaginatablePlugin => Protocols/Plugins/CommonPaginatablePlugin}/Protocols/PageIndexPathComparator.swift (100%)
 rename Source/{Table/Plugins/PluginAction/TablePaginatablePlugin => Protocols/Plugins/CommonPaginatablePlugin}/Protocols/PaginationViewManager.swift (60%)
 rename Source/{Table/Plugins/PluginAction/TablePaginatablePlugin => Protocols/Plugins/CommonPaginatablePlugin}/Strategy/BottomPaginationStrategy.swift (82%)
 create mode 100644 Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift
 rename Source/{Table/Plugins/PluginAction/TablePaginatablePlugin => Protocols/Plugins/CommonPaginatablePlugin}/Strategy/TopPaginationStrategy.swift (88%)
 rename Source/Table/Plugins/PluginAction/{TablePaginatablePlugin => }/TablePaginatablePlugin.swift (79%)

diff --git a/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift b/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift
index 7ed232694..a1bf8a10a 100644
--- a/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift
+++ b/Example/ReactiveDataDisplayManager/Table/PaginatableTableViewController/PaginatableTableViewController.swift
@@ -28,8 +28,7 @@ final class PaginatableTableViewController: UIViewController {
     private lazy var progressView = PaginatorView(frame: .init(x: 0, y: 0, width: tableView.frame.width, height: 80))
 
     private lazy var adapter = tableView.rddm.baseBuilder
-        .add(plugin: .paginatable(progressView: progressView,
-                                  output: self))
+        .add(plugin: .bottomPaginatable(progressView: progressView, output: self))
         .build()
 
     private weak var paginatableInput: PaginatableInput?
diff --git a/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift b/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift
index eaed68750..48a6f99d8 100644
--- a/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift
+++ b/Example/ReactiveDataDisplayManager/Table/TwoDirectionPaginatableTableViewController/TwoDirectionPaginatableTableViewController.swift
@@ -43,8 +43,8 @@ final class TwoDirectionPaginatableTableViewController: UIViewController {
                                                                   height: Constants.paginatorViewHeight))
 
     private lazy var adapter = tableView.rddm.manualBuilder
-        .add(plugin: .paginatable(progressView: topProgressView, output: self, direction: .backward(.top)))
-//        .add(plugin: .paginatable(progressView: bottomProgressView, output: self))
+        .add(plugin: .topPaginatable(progressView: topProgressView, output: self))
+        .add(plugin: .bottomPaginatable(progressView: bottomProgressView, output: self))
         .build()
 
     private weak var bottomPaginatableInput: PaginatableInput?
@@ -187,13 +187,19 @@ extension TwoDirectionPaginatableTableViewController: PaginatableOutput {
     }
 
     func loadNextPage(with input: PaginatableInput, at direction: PagingDirection) {
-        input.updatePaginationState(.loading, at: direction)
 
-        delay(.now() + .seconds(2)) { [weak self, weak input] in
-            let canFillPages = self?.canFillPages() ?? false
+        input.updatePaginationState(.loading, at: direction)
 
-            if canFillPages {
-                let canIterate = self?.fillNext() ?? false
+        delay(.now() + .seconds(3)) { [weak self, weak input] in
+            let canFillNext = self?.canFillPages() ?? false
+            if canFillNext {
+                let canIterate: Bool
+                switch direction {
+                case .backward:
+                    canIterate = self?.fillPrev() ?? false
+                case .forward:
+                    canIterate = self?.fillNext() ?? false
+                }
 
                 input?.updatePaginationState(.idle, at: direction)
                 input?.updatePaginationEnabled(canIterate, at: direction)
diff --git a/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift b/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
index f47f14c50..42ec4c462 100644
--- a/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
+++ b/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
@@ -32,7 +32,7 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
     // MARK: - Properties
 
     weak var collectionView: UICollectionView?
-    var paginationStrategy: PaginationStrategy?
+    var strategy: PaginationStrategy?
 
     /// Property which indicating availability of pages
     public private(set) var canIterate = false {
@@ -41,12 +41,12 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
                 guard progressView.superview == nil else {
                     return
                 }
-                paginationStrategy?.addPafinationView()
+                strategy?.addPafinationView()
             } else {
                 guard progressView.superview != nil else {
                     return
                 }
-                paginationStrategy?.removePafinationView()
+                strategy?.removePafinationView()
             }
         }
     }
@@ -65,8 +65,8 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
 
     public override func setup(with manager: BaseCollectionManager?) {
         collectionView = manager?.view
-        paginationStrategy?.scrollView = manager?.view
-        paginationStrategy?.progressView = progressView
+        strategy?.scrollView = manager?.view
+        strategy?.progressView = progressView
         canIterate = false
         output?.onPaginationInitialized(with: self, at: direction)
         self.progressView.setOnRetry { [weak self] in
@@ -83,9 +83,9 @@ public class CollectionPaginatablePlugin: BaseCollectionPlugin<CollectionEvent>
         switch event {
         case .willDisplayCell(let indexPath):
             if progressView.frame.minY != collectionView?.contentSize.height {
-                paginationStrategy?.setProgressViewFinalFrame()
+                strategy?.setProgressViewFinalFrame()
             }
-            guard indexPath == paginationStrategy?.getIndexPath(with: manager), canIterate, !isLoading, !isErrorWasReceived else {
+            guard indexPath == strategy?.getIndexPath(with: manager?.sections), canIterate, !isLoading, !isErrorWasReceived else {
                 return
             }
             output?.loadNextPage(with: self, at: self.direction)
@@ -104,7 +104,7 @@ extension CollectionPaginatablePlugin: PaginatableInput {
         self.canIterate = canIterate
         self.direction = direction
 
-        paginationStrategy?.resetOffset(canIterate: canIterate)
+        strategy?.resetOffset(canIterate: canIterate)
     }
 
     public func updatePaginationState(_ state: PaginationState, at direction: PagingDirection) {
@@ -113,7 +113,7 @@ extension CollectionPaginatablePlugin: PaginatableInput {
             isLoading = false
         case .loading:
             isLoading = true
-            paginationStrategy?.saveCurrentState()
+            strategy?.saveCurrentState()
         case .error(let error):
             isLoading = false
             isErrorWasReceived = true
@@ -138,7 +138,7 @@ public extension BaseCollectionPlugin {
     static func topPaginatable(progressView: CollectionPaginatablePlugin.ProgressView,
                                output: PaginatableOutput) -> CollectionPaginatablePlugin {
         let plugin = CollectionPaginatablePlugin(progressView: progressView, with: output, direction: .backward(.top))
-        plugin.paginationStrategy = TopPaginationStrategy()
+        plugin.strategy = TopPaginationStrategy()
         return plugin
     }
 
@@ -152,7 +152,14 @@ public extension BaseCollectionPlugin {
     static func bottomPaginatable(progressView: CollectionPaginatablePlugin.ProgressView,
                                   output: PaginatableOutput) -> CollectionPaginatablePlugin {
         let plugin = CollectionPaginatablePlugin(progressView: progressView, with: output, direction: .forward(.bottom))
-        plugin.paginationStrategy = BottomPaginationStrategy()
+        plugin.strategy = BottomPaginationStrategy()
+        return plugin
+    }
+
+    static func rightPaginatable(progressView: CollectionPaginatablePlugin.ProgressView,
+                                  output: PaginatableOutput) -> CollectionPaginatablePlugin {
+        let plugin = CollectionPaginatablePlugin(progressView: progressView, with: output, direction: .forward(.bottom))
+        plugin.strategy = RightPaginationStrategy()
         return plugin
     }
 
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PaginationState.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/PaginationState.swift
similarity index 100%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PaginationState.swift
rename to Source/Protocols/Plugins/CommonPaginatablePlugin/PaginationState.swift
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PagingDirection.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/PagingDirection.swift
similarity index 100%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/PagingDirection.swift
rename to Source/Protocols/Plugins/CommonPaginatablePlugin/PagingDirection.swift
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift
similarity index 100%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift
rename to Source/Protocols/Plugins/CommonPaginatablePlugin/Protocols/ContentOffsetStateKeeper.swift
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PageIndexPathComparator.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Protocols/PageIndexPathComparator.swift
similarity index 100%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PageIndexPathComparator.swift
rename to Source/Protocols/Plugins/CommonPaginatablePlugin/Protocols/PageIndexPathComparator.swift
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PaginationViewManager.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Protocols/PaginationViewManager.swift
similarity index 60%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PaginationViewManager.swift
rename to Source/Protocols/Plugins/CommonPaginatablePlugin/Protocols/PaginationViewManager.swift
index 6de80692e..ccc2d89de 100644
--- a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Protocols/PaginationViewManager.swift
+++ b/Source/Protocols/Plugins/CommonPaginatablePlugin/Protocols/PaginationViewManager.swift
@@ -9,7 +9,9 @@ import UIKit
 
 protocol PaginationStrategy: ContentOffsetStateKeeper {
 
-    func getIndexPath(with manager: BaseCollectionManager?) -> IndexPath?
+    func getIndexPath<GeneratorType, HeaderGeneratorType, FooterGeneratorType>(
+        with sections: [Section<GeneratorType, HeaderGeneratorType, FooterGeneratorType>]?
+    ) -> IndexPath?
     func addPafinationView()
     func removePafinationView()
     func setProgressViewFinalFrame()
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/BottomPaginationStrategy.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/BottomPaginationStrategy.swift
similarity index 82%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/BottomPaginationStrategy.swift
rename to Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/BottomPaginationStrategy.swift
index 57ee499db..960728163 100644
--- a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/BottomPaginationStrategy.swift
+++ b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/BottomPaginationStrategy.swift
@@ -29,8 +29,10 @@ final class BottomPaginationStrategy: PaginationStrategy {
         scrollView?.contentInset.bottom -= progressView?.frame.height ?? .zero
     }
 
-    func getIndexPath(with manager: BaseCollectionManager?) -> IndexPath? {
-        guard let sections = manager?.sections else {
+    func getIndexPath<GeneratorType, HeaderGeneratorType, FooterGeneratorType>(
+        with sections: [Section<GeneratorType, HeaderGeneratorType, FooterGeneratorType>]?
+    ) -> IndexPath? {
+        guard let sections = sections else {
             return nil
         }
         let lastSectionIndex = sections.count - 1
@@ -43,7 +45,7 @@ final class BottomPaginationStrategy: PaginationStrategy {
         guard let progressViewFrame = progressView?.frame else {
             return
         }
-        // Hack: Update progressView position. Imitation of global footer view like `tableFooterView`
+        // Hack: Update progressView position.
         progressView?.frame = .init(origin: .init(x: progressViewFrame.origin.x, y: scrollView?.contentSize.height ?? 0),
                                     size: progressViewFrame.size)
     }
diff --git a/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift
new file mode 100644
index 000000000..55e172aa4
--- /dev/null
+++ b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift
@@ -0,0 +1,54 @@
+//
+//  RightPaginationStrategy.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 25.07.2023.
+//
+
+import UIKit
+
+final class RightPaginationStrategy: PaginationStrategy {
+
+    // MARK: - Properties
+
+    weak var scrollView: UIScrollView?
+    weak var progressView: UIView?
+
+    // MARK: - PaginationStrategy
+
+    func addPafinationView() {
+        guard let progressView = progressView else {
+            return
+        }
+        scrollView?.addSubview(progressView)
+        scrollView?.contentInset.right += progressView.frame.width
+    }
+
+    func removePafinationView() {
+        progressView?.removeFromSuperview()
+        scrollView?.contentInset.right -= progressView?.frame.width ?? .zero
+    }
+
+    func getIndexPath<GeneratorType, HeaderGeneratorType, FooterGeneratorType>(
+        with sections: [Section<GeneratorType, HeaderGeneratorType, FooterGeneratorType>]?
+    ) -> IndexPath? {
+        guard let sections = sections else {
+            return nil
+        }
+        let lastSectionIndex = sections.count - 1
+        let lastCellInLastSectionIndex = sections[lastSectionIndex].generators.count - 1
+        
+        return IndexPath(row: lastCellInLastSectionIndex, section: lastSectionIndex)
+    }
+
+    func setProgressViewFinalFrame() {
+        guard let progressViewFrame = progressView?.frame, let scrollViewHeight = scrollView?.bounds.height else {
+            return
+        }
+        // Hack: Update progressView position.
+        progressView?.frame = .init(origin: .init(x: scrollView?.contentSize.width ?? 0,
+                                                  y: (scrollViewHeight / 2) - progressViewFrame.height),
+                                    size: progressViewFrame.size)
+    }
+
+}
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/TopPaginationStrategy.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/TopPaginationStrategy.swift
similarity index 88%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/TopPaginationStrategy.swift
rename to Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/TopPaginationStrategy.swift
index 9e4cd77f3..d6006f2e4 100644
--- a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/Strategy/TopPaginationStrategy.swift
+++ b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/TopPaginationStrategy.swift
@@ -50,7 +50,9 @@ final class TopPaginationStrategy: PaginationStrategy {
         scrollView?.contentInset.top -= progressView?.frame.height ?? .zero
     }
 
-    func getIndexPath(with manager: BaseCollectionManager?) -> IndexPath? {
+    func getIndexPath<GeneratorType, HeaderGeneratorType, FooterGeneratorType>(
+        with sections: [Section<GeneratorType, HeaderGeneratorType, FooterGeneratorType>]?
+    ) -> IndexPath? {
         IndexPath(row: 0, section: 0)
     }
 
@@ -58,7 +60,7 @@ final class TopPaginationStrategy: PaginationStrategy {
         guard let progressViewFrame = progressView?.frame else {
             return
         }
-        // Hack: Update progressView position. Imitation of global footer view like `tableFooterView`
+        // Hack: Update progressView position.
         progressView?.frame = .init(origin: .init(x: progressViewFrame.origin.x, y: -progressViewFrame.height),
                                     size: progressViewFrame.size)
     }
diff --git a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/TablePaginatablePlugin.swift b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin.swift
similarity index 79%
rename from Source/Table/Plugins/PluginAction/TablePaginatablePlugin/TablePaginatablePlugin.swift
rename to Source/Table/Plugins/PluginAction/TablePaginatablePlugin.swift
index 498c6d45e..6e8582111 100644
--- a/Source/Table/Plugins/PluginAction/TablePaginatablePlugin/TablePaginatablePlugin.swift
+++ b/Source/Table/Plugins/PluginAction/TablePaginatablePlugin.swift
@@ -124,15 +124,21 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
     // MARK: - Properties
 
     weak var tableView: UITableView?
-    var paginationStrategy: PaginationStrategy?
+    var strategy: PaginationStrategy?
 
     /// Property which indicating availability of pages
     public private(set) var canIterate = false {
         didSet {
             if canIterate {
-                tableView?.tableFooterView = progressView
+                guard progressView.superview == nil else {
+                    return
+                }
+                strategy?.addPafinationView()
             } else {
-                tableView?.tableFooterView = nil
+                guard progressView.superview != nil else {
+                    return
+                }
+                strategy?.removePafinationView()
             }
         }
     }
@@ -151,6 +157,8 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
 
     public override func setup(with manager: BaseTableManager?) {
         self.tableView = manager?.view
+        self.strategy?.scrollView = manager?.view
+        self.strategy?.progressView = progressView
         self.canIterate = false
         self.output?.onPaginationInitialized(with: self, at: direction)
         self.progressView.setOnRetry { [weak self] in
@@ -166,16 +174,13 @@ public class TablePaginatablePlugin: BaseTablePlugin<TableEvent> {
 
         switch event {
         case .willDisplayCell(let indexPath):
-            guard let sections = manager?.sections, !isErrorWasReceived else {
-                return
+            if progressView.frame.minY != tableView?.contentSize.height {
+                strategy?.setProgressViewFinalFrame()
             }
-            let lastSectionIndex = sections.count - 1
-            let lastCellInLastSectionIndex = sections[lastSectionIndex].generators.count - 1
-
-            let lastCellIndexPath = IndexPath(row: lastCellInLastSectionIndex, section: lastSectionIndex)
-            if indexPath == lastCellIndexPath && canIterate && !isLoading {
-                output?.loadNextPage(with: self, at: direction)
+            guard indexPath == strategy?.getIndexPath(with: manager?.sections), canIterate, !isLoading, !isErrorWasReceived else {
+                return
             }
+            output?.loadNextPage(with: self, at: direction)
         default:
             break
         }
@@ -190,6 +195,8 @@ extension TablePaginatablePlugin: PaginatableInput {
     public func updatePaginationEnabled(_ canIterate: Bool, at direction: PagingDirection) {
         self.canIterate = canIterate
         self.direction = direction
+
+        strategy?.resetOffset(canIterate: canIterate)
     }
 
     public func updatePaginationState(_ state: PaginationState, at direction: PagingDirection) {
@@ -198,6 +205,7 @@ extension TablePaginatablePlugin: PaginatableInput {
             isLoading = false
         case .loading:
             isLoading = true
+            strategy?.saveCurrentState()
         case .error(let error):
             isLoading = false
             isErrorWasReceived = true
@@ -220,26 +228,20 @@ public extension BaseTablePlugin {
     /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
     /// - parameter output: output signals to hide  `progressView` from footer
     /// - parameter direction: direction of pagination
-    static func paginatable(progressView: TablePaginatablePlugin.ProgressView,
-                            output: PaginatableOutput,
-                            direction: PagingDirection = .forward(.bottom)) -> TablePaginatablePlugin {
-        return TablePaginatablePlugin(progressView: progressView, with: output, direction: direction)
-
+    static func topPaginatable(progressView: TablePaginatablePlugin.ProgressView,
+                               output: PaginatableOutput,
+                               direction: PagingDirection = .backward(.top)) -> TablePaginatablePlugin {
+        let plugin = TablePaginatablePlugin(progressView: progressView, with: output, direction: direction)
+        plugin.strategy = TopPaginationStrategy()
+        return plugin
     }
 
-//    /// Plugin to display `progressView` while previous page is loading
-//    ///
-//    /// Show `progressView` on `willDisplay` first cell.
-//    /// Hide `progressView` when finish loading request
-//    ///
-//    /// - parameter progressView: indicator view to add inside header. Do not forget to init this view with valid frame size.
-//    /// - parameter output: output signals to hide  `progressView` from header
-//    /// - Warning: UITableView.style must be plain style for keeping scroll position
-//    static func topPaginatable(progressView: TableTopPaginatablePlugin.ProgressView,
-//                               output: TopPaginatableOutput,
-//                               isSaveScrollPositionNeeded: Bool) -> TableTopPaginatablePlugin {
-//        return TableTopPaginatablePlugin(progressView: progressView, with: output, isSaveScrollPositionNeeded: isSaveScrollPositionNeeded)
-//
-//    }
+    static func bottomPaginatable(progressView: TablePaginatablePlugin.ProgressView,
+                                  output: PaginatableOutput,
+                                  direction: PagingDirection = .forward(.bottom)) -> TablePaginatablePlugin {
+        let plugin = TablePaginatablePlugin(progressView: progressView, with: output, direction: direction)
+        plugin.strategy = BottomPaginationStrategy()
+        return plugin
+    }
 
 }

From ef1ffebf9542b3fe5a17ae71f498ca94ab404d85 Mon Sep 17 00:00:00 2001
From: Konstantin Porokhov <porohov@surf.dev>
Date: Wed, 30 Aug 2023 13:44:57 +0400
Subject: [PATCH 3/3] created LeftPaginationStrategy and example

---
 .../Collection.storyboard                     |  45 ++++
 .../MainCollectionViewController.swift        |   2 +
 ...nPaginatableCollectionViewController.swift | 229 ++++++++++++++++++
 .../CollectionPaginatablePlugin.swift         |  23 +-
 .../Strategy/LeftPaginationStrategy.swift     |  68 ++++++
 .../Strategy/RightPaginationStrategy.swift    |   5 +-
 6 files changed, 368 insertions(+), 4 deletions(-)
 create mode 100644 Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/HorizontalTwoDirectionPaginatableCollectionViewController.swift
 create mode 100644 Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/LeftPaginationStrategy.swift

diff --git a/Example/ReactiveDataDisplayManager/Collection.storyboard b/Example/ReactiveDataDisplayManager/Collection.storyboard
index b30d2f5a2..5c845327c 100644
--- a/Example/ReactiveDataDisplayManager/Collection.storyboard
+++ b/Example/ReactiveDataDisplayManager/Collection.storyboard
@@ -55,6 +55,7 @@
                         <segue destination="EB6-CQ-xkp" kind="show" identifier="refreshingCollection" id="RIR-tI-dAc"/>
                         <segue destination="dcC-YA-wFj" kind="show" identifier="twoDirectionPaginatableCollection" id="EKN-aB-kFO"/>
                         <segue destination="WXf-rM-5r7" kind="show" identifier="stackCellCollectionViewController" id="ljM-KS-ixh"/>
+                        <segue destination="hKO-Fp-O7f" kind="show" identifier="horizontalTwoDirectionPaginatableCollection" id="HOF-Cl-xHy"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="4hK-7m-aH1" userLabel="First Responder" sceneMemberID="firstResponder"/>
@@ -882,6 +883,50 @@
             </objects>
             <point key="canvasLocation" x="-719" y="2248"/>
         </scene>
+        <!--Horizontal Two Direction Paginatable Collection View Controller-->
+        <scene sceneID="XXX-DU-TWm">
+            <objects>
+                <viewController id="hKO-Fp-O7f" customClass="HorizontalTwoDirectionPaginatableCollectionViewController" customModule="ReactiveDataDisplayManagerExample_iOS" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="ZaG-oG-SJ4">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="cxu-Ea-CM2">
+                                <rect key="frame" x="0.0" y="92" width="414" height="721"/>
+                                <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                                <collectionViewFlowLayout key="collectionViewLayout" minimumLineSpacing="10" minimumInteritemSpacing="10" id="ts6-eB-wfW">
+                                    <size key="itemSize" width="200" height="44"/>
+                                    <size key="estimatedItemSize" width="200" height="44"/>
+                                    <size key="headerReferenceSize" width="0.0" height="0.0"/>
+                                    <size key="footerReferenceSize" width="0.0" height="0.0"/>
+                                    <inset key="sectionInset" minX="0.0" minY="0.0" maxX="0.0" maxY="0.0"/>
+                                </collectionViewFlowLayout>
+                                <cells/>
+                            </collectionView>
+                            <activityIndicatorView opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" style="medium" id="zm3-wO-NvS">
+                                <rect key="frame" x="0.0" y="87" width="414" height="721"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            </activityIndicatorView>
+                        </subviews>
+                        <viewLayoutGuide key="safeArea" id="JA2-N8-uyI"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <constraints>
+                            <constraint firstItem="cxu-Ea-CM2" firstAttribute="leading" secondItem="JA2-N8-uyI" secondAttribute="leading" id="6kJ-6j-osI"/>
+                            <constraint firstItem="cxu-Ea-CM2" firstAttribute="top" secondItem="JA2-N8-uyI" secondAttribute="top" id="N6v-T2-rir"/>
+                            <constraint firstItem="JA2-N8-uyI" firstAttribute="bottom" secondItem="cxu-Ea-CM2" secondAttribute="bottom" id="vAG-C2-xWy"/>
+                            <constraint firstItem="JA2-N8-uyI" firstAttribute="trailing" secondItem="cxu-Ea-CM2" secondAttribute="trailing" id="ynm-EV-4bv"/>
+                        </constraints>
+                    </view>
+                    <navigationItem key="navigationItem" id="Fi2-lE-HDS"/>
+                    <connections>
+                        <outlet property="activityIndicator" destination="zm3-wO-NvS" id="WYz-NN-qBg"/>
+                        <outlet property="collectionView" destination="cxu-Ea-CM2" id="bll-ee-4dw"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="MkR-Rn-Nbi" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="5842" y="3025"/>
+        </scene>
     </scenes>
     <resources>
         <image name="table.fill" catalog="system" width="128" height="93"/>
diff --git a/Example/ReactiveDataDisplayManager/Collection/MainCollectionViewController/MainCollectionViewController.swift b/Example/ReactiveDataDisplayManager/Collection/MainCollectionViewController/MainCollectionViewController.swift
index 09a50da57..14457279f 100644
--- a/Example/ReactiveDataDisplayManager/Collection/MainCollectionViewController/MainCollectionViewController.swift
+++ b/Example/ReactiveDataDisplayManager/Collection/MainCollectionViewController/MainCollectionViewController.swift
@@ -35,6 +35,7 @@ final class MainCollectionViewController: UIViewController {
         case alignedCollection
         case dynamicHeightViewController
         case twoDirectionPaginatableCollection
+        case horizontalTwoDirectionPaginatableCollection
     }
 
     // MARK: - Constants
@@ -53,6 +54,7 @@ final class MainCollectionViewController: UIViewController {
             ("Collection with diffableDataSource", .diffableCollection),
             ("Collection with pagination", .paginatableCollection),
             ("Collection with two direction pagination", .twoDirectionPaginatableCollection),
+            ("Collection with two direction horizontal pagination", .horizontalTwoDirectionPaginatableCollection),
             ("Collection with compositional layout", .compositionalCollection),
             ("Collection with DifferenceKit", .differenceCollection),
             ("List Appearances with swipeable items", .swipeableListAppearances),
diff --git a/Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/HorizontalTwoDirectionPaginatableCollectionViewController.swift b/Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/HorizontalTwoDirectionPaginatableCollectionViewController.swift
new file mode 100644
index 000000000..13b37c50b
--- /dev/null
+++ b/Example/ReactiveDataDisplayManager/Collection/TwoDirectionPaginatableCollectionViewController/HorizontalTwoDirectionPaginatableCollectionViewController.swift
@@ -0,0 +1,229 @@
+//
+//  HorizontalTwoDirectionPaginatableCollectionViewController.swift
+//  ReactiveDataDisplayManagerExample_iOS
+//
+//  Created by Konstantin Porokhov on 30.08.2023.
+//
+
+import UIKit
+import ReactiveDataDisplayManager
+import ReactiveDataComponents
+
+final class HorizontalTwoDirectionPaginatableCollectionViewController: UIViewController {
+
+    // MARK: - Nested types
+
+    private enum ScrollDirection {
+        case left
+        case right
+    }
+
+    // MARK: - Constants
+
+    private enum Constants {
+        static let maxPagesCount = 5
+        static let pageSize = 20
+        static let paginatorHeight: CGFloat = 80
+        static let firstPageMiddleIndexPath = IndexPath(row: Constants.pageSize / 2, section: 0)
+    }
+
+    // MARK: - IBOutlet
+
+    @IBOutlet private weak var collectionView: UICollectionView!
+    @IBOutlet private weak var activityIndicator: UIActivityIndicatorView!
+
+    // MARK: - Private Properties
+
+    private lazy var leftProgressView = PaginatorView(frame: .init(x: 0,
+                                                                   y: 0,
+                                                                   width: 200,
+                                                                   height: collectionView.frame.height))
+    private lazy var rightProgressView = PaginatorView(frame: .init(x: 0,
+                                                                    y: 0,
+                                                                    width: 200,
+                                                                    height: collectionView.frame.height))
+
+    private lazy var adapter = collectionView.rddm.baseBuilder
+        .add(plugin: .leftPaginatable(progressView: leftProgressView, output: self))
+        .add(plugin: .rightPaginatable(progressView: rightProgressView, output: self))
+        .build()
+
+    private weak var bottomPaginatableInput: PaginatableInput?
+    private weak var topPaginatableInput: PaginatableInput?
+
+    private var isFirstPageLoading = true
+    private var currentLeftPage = 0
+    private var currentRightPage = 0
+
+    private lazy var emptyCell = CollectionSpacerCell.rddm.baseGenerator(with: CollectionSpacerCell.Model(height: 0), and: .class)
+
+    // MARK: - UIViewController
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        title = "Collection with two direction pagination"
+
+        configureActivityIndicatorIfNeeded()
+        configureCollectionView()
+        loadFirstPage()
+    }
+
+}
+
+// MARK: - Configuration
+
+private extension HorizontalTwoDirectionPaginatableCollectionViewController {
+
+    func configureActivityIndicatorIfNeeded() {
+        if #available(iOS 13.0, tvOS 13.0, *) {
+            activityIndicator.style = .medium
+        }
+    }
+
+}
+
+// MARK: - Private Methods
+
+private extension HorizontalTwoDirectionPaginatableCollectionViewController {
+
+    func configureCollectionView() {
+        let layout = UICollectionViewFlowLayout()
+        layout.scrollDirection = .horizontal
+        layout.itemSize = .init(width: 300, height: 200)
+        collectionView.setCollectionViewLayout(layout, animated: true)
+    }
+
+    func loadFirstPage() {
+
+        // show loader
+        activityIndicator.isHidden = false
+        activityIndicator.hidesWhenStopped = true
+        activityIndicator.startAnimating()
+
+        // hide footer
+        bottomPaginatableInput?.updatePaginationEnabled(false, at: .forward(.bottom))
+        topPaginatableInput?.updatePaginationEnabled(false, at: .backward(.top))
+        bottomPaginatableInput?.updatePaginationState(.idle, at: .forward(.bottom))
+        topPaginatableInput?.updatePaginationState(.loading, at: .backward(.top))
+
+        // imitation of loading first page
+        delay(.now() + .seconds(3)) { [weak self] in
+            // fill table
+            self?.fillAdapter()
+
+            // hide loader
+            self?.activityIndicator?.stopAnimating()
+
+            // scroll to middle
+            self?.collectionView.scrollToItem(at: Constants.firstPageMiddleIndexPath, at: .centeredVertically, animated: false)
+
+            // show pagination loader if update is needed
+            self?.bottomPaginatableInput?.updatePaginationEnabled(true, at: .forward(.bottom))
+            self?.topPaginatableInput?.updatePaginationEnabled(true, at: .backward(.top))
+        }
+    }
+
+    /// This method is used to fill adapter
+    func fillAdapter() {
+        adapter += emptyCell
+
+        for _ in 0...Constants.pageSize {
+            adapter += makeGenerator()
+        }
+
+        adapter => .reload
+    }
+
+    private func makeGenerator(for scrollDirection: ScrollDirection? = nil) -> CollectionCellGenerator {
+        var currentPage = 0
+        if let scrollDirection = scrollDirection {
+            switch scrollDirection {
+            case .left:
+                currentPage = currentLeftPage
+            case .right:
+                currentPage = currentRightPage
+            }
+        }
+
+        let title = "Random cell \(Int.random(in: 0...1000)) from page \(currentPage)"
+        return TitleCollectionViewCell.rddm.baseGenerator(with: title)
+    }
+
+    func canFillPages() -> Bool {
+        if isFirstPageLoading {
+            isFirstPageLoading.toggle()
+            return false
+        } else {
+            return true
+        }
+    }
+
+    func fillNext() -> Bool {
+        currentRightPage += 1
+
+        var newGenerators = [CollectionCellGenerator]()
+
+        for _ in 0...Constants.pageSize {
+            newGenerators.append(makeGenerator(for: .right))
+        }
+
+        if let lastGenerator = adapter.sections.last?.generators.last {
+            adapter.insert(after: lastGenerator, new: newGenerators)
+        } else {
+            adapter += newGenerators
+            adapter => .reload
+        }
+
+        return currentRightPage != Constants.maxPagesCount
+    }
+
+    func fillPrev() -> Bool {
+        currentLeftPage -= 1
+
+        let newGenerators = (0...Constants.pageSize).map { _ in
+            return makeGenerator(for: .left)
+        }
+        adapter.insert(after: emptyCell, new: newGenerators, with: nil)
+
+        return abs(currentLeftPage) != Constants.maxPagesCount
+    }
+
+}
+
+// MARK: - PaginatableOutput
+
+extension HorizontalTwoDirectionPaginatableCollectionViewController: PaginatableOutput {
+
+    func onPaginationInitialized(with input: PaginatableInput, at direction: PagingDirection) {
+        switch direction {
+        case .backward:
+            topPaginatableInput = input
+        case .forward:
+            bottomPaginatableInput = input
+        }
+    }
+
+    func loadNextPage(with input: PaginatableInput, at direction: PagingDirection) {
+
+        input.updatePaginationState(.loading, at: direction)
+
+        delay(.now() + .seconds(3)) { [weak self, weak input] in
+            let canFillNext = self?.canFillPages() ?? false
+            if canFillNext {
+                let canIterate: Bool
+                switch direction {
+                case .backward:
+                    canIterate = self?.fillPrev() ?? false
+                case .forward:
+                    canIterate = self?.fillNext() ?? false
+                }
+
+                input?.updatePaginationState(.idle, at: direction)
+                input?.updatePaginationEnabled(canIterate, at: direction)
+            } else {
+                input?.updatePaginationState(.error(SampleError.sample), at: direction)
+            }
+        }
+    }
+
+}
diff --git a/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift b/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
index 42ec4c462..0ef6166f6 100644
--- a/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
+++ b/Source/Collection/Plugins/PluginAction/CollectionPaginatablePlugin.swift
@@ -156,11 +156,32 @@ public extension BaseCollectionPlugin {
         return plugin
     }
 
+    /// Plugin to display `progressView` while next page is loading
+    ///
+    /// Show `progressView` on `willDisplay` last cell.
+    /// Hide `progressView` when finish loading request
+    ///
+    /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
+    /// - parameter output: output signals to hide  `progressView` from footer
     static func rightPaginatable(progressView: CollectionPaginatablePlugin.ProgressView,
-                                  output: PaginatableOutput) -> CollectionPaginatablePlugin {
+                                 output: PaginatableOutput) -> CollectionPaginatablePlugin {
         let plugin = CollectionPaginatablePlugin(progressView: progressView, with: output, direction: .forward(.bottom))
         plugin.strategy = RightPaginationStrategy()
         return plugin
     }
 
+    /// Plugin to display `progressView` while next page is loading
+    ///
+    /// Show `progressView` on `willDisplay` last cell.
+    /// Hide `progressView` when finish loading request
+    ///
+    /// - parameter progressView: indicator view to add inside footer. Do not forget to init this view with valid frame size.
+    /// - parameter output: output signals to hide  `progressView` from footer
+    static func leftPaginatable(progressView: CollectionPaginatablePlugin.ProgressView,
+                                output: PaginatableOutput) -> CollectionPaginatablePlugin {
+        let plugin = CollectionPaginatablePlugin(progressView: progressView, with: output, direction: .backward(.top))
+        plugin.strategy = LeftPaginationStrategy()
+        return plugin
+    }
+
 }
diff --git a/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/LeftPaginationStrategy.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/LeftPaginationStrategy.swift
new file mode 100644
index 000000000..e793d1077
--- /dev/null
+++ b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/LeftPaginationStrategy.swift
@@ -0,0 +1,68 @@
+//
+//  LeftPaginationStrategy.swift
+//  ReactiveDataDisplayManager
+//
+//  Created by Konstantin Porokhov on 30.08.2023.
+//
+
+import UIKit
+
+final class LeftPaginationStrategy: PaginationStrategy {
+
+    // MARK: - Properties
+
+    weak var scrollView: UIScrollView?
+    weak var progressView: UIView?
+
+    // MARK: - Private properties
+
+    private var currentContentWidth: CGFloat?
+
+    // MARK: - PaginationStrategy
+
+    func saveCurrentState() {
+        currentContentWidth = scrollView?.contentSize.width
+    }
+
+    func resetOffset(canIterate: Bool) {
+        guard
+            canIterate,
+            let currentContentWidth = currentContentWidth,
+            let newContentWidth = scrollView?.contentSize.width,
+            let progressViewWidth = progressView?.frame.width
+        else { return }
+
+        let finalOffset = CGPoint(x: newContentWidth - currentContentWidth - progressViewWidth, y: 0)
+        scrollView?.setContentOffset(finalOffset, animated: false)
+        self.currentContentWidth = nil
+    }
+
+    func addPafinationView() {
+        guard let progressView = progressView else {
+            return
+        }
+        scrollView?.addSubview(progressView)
+        scrollView?.contentInset.left += progressView.frame.width
+    }
+
+    func removePafinationView() {
+        progressView?.removeFromSuperview()
+        scrollView?.contentInset.left -= progressView?.frame.width ?? .zero
+    }
+
+    func getIndexPath<GeneratorType, HeaderGeneratorType, FooterGeneratorType>(
+        with sections: [Section<GeneratorType, HeaderGeneratorType, FooterGeneratorType>]?
+    ) -> IndexPath? {
+        IndexPath(row: 0, section: 0)
+    }
+
+    func setProgressViewFinalFrame() {
+        guard let progressViewFrame = progressView?.frame else {
+            return
+        }
+        // Hack: Update progressView position.
+        progressView?.frame = .init(origin: .init(x: -progressViewFrame.width, y: .zero),
+                                    size: progressViewFrame.size)
+    }
+
+}
diff --git a/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift
index 55e172aa4..4131cd482 100644
--- a/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift
+++ b/Source/Protocols/Plugins/CommonPaginatablePlugin/Strategy/RightPaginationStrategy.swift
@@ -42,12 +42,11 @@ final class RightPaginationStrategy: PaginationStrategy {
     }
 
     func setProgressViewFinalFrame() {
-        guard let progressViewFrame = progressView?.frame, let scrollViewHeight = scrollView?.bounds.height else {
+        guard let progressViewFrame = progressView?.frame else {
             return
         }
         // Hack: Update progressView position.
-        progressView?.frame = .init(origin: .init(x: scrollView?.contentSize.width ?? 0,
-                                                  y: (scrollViewHeight / 2) - progressViewFrame.height),
+        progressView?.frame = .init(origin: .init(x: scrollView?.contentSize.width ?? 0, y: .zero),
                                     size: progressViewFrame.size)
     }