Add paginated cached resources with file upload/delete and mobile-first UI

backend/src/main/java/com/thughari/jobtrackerpro/controller/CareerResourceController.java

@@ -1,16 +1,27 @@
 package com.thughari.jobtrackerpro.controller;
 
 import com.thughari.jobtrackerpro.dto.CareerResourceDTO;
+import com.thughari.jobtrackerpro.dto.CareerResourcePageResponse;
 import com.thughari.jobtrackerpro.dto.CreateCareerResourceRequest;
+import com.thughari.jobtrackerpro.dto.UpdateCareerResourceRequest;
 import com.thughari.jobtrackerpro.service.CareerResourceService;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.authentication.AnonymousAuthenticationToken;
+import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
 
+import java.util.UUID;
 import java.util.List;
 
 @RestController
@@ -24,8 +35,14 @@ public CareerResourceController(CareerResourceService careerResourceService) {
     }
 
     @GetMapping
-    public ResponseEntity<List<CareerResourceDTO>> getResources() {
-        return ResponseEntity.ok(careerResourceService.getAllResources());
+    public ResponseEntity<CareerResourcePageResponse> getResources(
+            @RequestParam(defaultValue = "0") int page,
+            @RequestParam(defaultValue = "20") int size,
+            @RequestParam(required = false) String query,
+            @RequestParam(required = false) String category,
+            @RequestParam(required = false) String type
+    ) {
+        return ResponseEntity.ok(careerResourceService.getResourcePage(page, size, query, category, type, getAuthenticatedEmailOrNull()));
     }
 
     @PostMapping
@@ -34,7 +51,52 @@ public ResponseEntity<CareerResourceDTO> addResource(@RequestBody CreateCareerRe
         return ResponseEntity.ok(careerResourceService.createResource(email, request));
     }
 
+    @GetMapping("/mine")
+    public ResponseEntity<List<CareerResourceDTO>> getMyResources() {
+        String email = getAuthenticatedEmail();
+        return ResponseEntity.ok(careerResourceService.getMyResources(email));
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<CareerResourceDTO> updateResource(@PathVariable UUID id,
+                                                            @RequestBody UpdateCareerResourceRequest request) {
+        String email = getAuthenticatedEmail();
+        return ResponseEntity.ok(careerResourceService.updateResource(email, id, request));
+    }
+
+    @PostMapping(path = "/upload", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
+    public ResponseEntity<CareerResourceDTO> uploadResource(
+            @RequestParam String title,
+            @RequestParam String category,
+            @RequestParam(required = false) String description,
+            @RequestParam MultipartFile file
+    ) {
+        String email = getAuthenticatedEmail();
+        return ResponseEntity.ok(careerResourceService.createResourceFromFile(email, title, category, description, file));
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> deleteResource(@PathVariable UUID id) {
+        String email = getAuthenticatedEmail();
+        careerResourceService.deleteResource(email, id);
+        return ResponseEntity.noContent().build();
+    }
+
     private String getAuthenticatedEmail() {
         return ((String) SecurityContextHolder.getContext().getAuthentication().getPrincipal()).toLowerCase();
     }
+
+    private String getAuthenticatedEmailOrNull() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        if (authentication == null || !authentication.isAuthenticated() || authentication instanceof AnonymousAuthenticationToken) {
+            return null;
+        }
+
+        Object principal = authentication.getPrincipal();
+        if (principal instanceof String email && !"anonymousUser".equalsIgnoreCase(email)) {
+            return email.toLowerCase();
+        }
+
+        return null;
+    }
 }

backend/src/main/java/com/thughari/jobtrackerpro/dto/CareerResourceDTO.java

@@ -12,6 +12,10 @@ public class CareerResourceDTO {
     private String url;
     private String category;
     private String description;
+    private String resourceType;
+    private String originalFileName;
+    private Long fileSizeBytes;
+    private boolean ownedByCurrentUser;
     private String submittedByName;
     private LocalDateTime createdAt;
 }

backend/src/main/java/com/thughari/jobtrackerpro/dto/CareerResourcePageResponse.java

@@ -0,0 +1,17 @@
+package com.thughari.jobtrackerpro.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+@AllArgsConstructor
+public class CareerResourcePageResponse {
+    private List<CareerResourceDTO> content;
+    private int page;
+    private int size;
+    private long totalElements;
+    private int totalPages;
+    private boolean hasNext;
+}

backend/src/main/java/com/thughari/jobtrackerpro/dto/UpdateCareerResourceRequest.java

@@ -0,0 +1,11 @@
+package com.thughari.jobtrackerpro.dto;
+
+import lombok.Data;
+
+@Data
+public class UpdateCareerResourceRequest {
+    private String title;
+    private String url;
+    private String category;
+    private String description;
+}

backend/src/main/java/com/thughari/jobtrackerpro/entity/CareerResource.java

@@ -28,12 +28,20 @@ public class CareerResource {
     @Column(nullable = false, length = 2048)
     private String url;
 
+    @Column(nullable = false, length = 16)
+    private String resourceType = "LINK";
+
     @Column(nullable = false, length = 80)
     private String category;
 
     @Column(length = 1200)
     private String description;
 
+    @Column(length = 255)
+    private String originalFileName;
+
+    private Long fileSizeBytes;
+
     @Column(nullable = false)
     private String submittedByEmail;
 

backend/src/main/java/com/thughari/jobtrackerpro/repo/CareerResourceRepository.java

@@ -2,12 +2,19 @@
 
 import com.thughari.jobtrackerpro.entity.CareerResource;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 
 import java.util.List;
 import java.util.UUID;
 
-public interface CareerResourceRepository extends JpaRepository<CareerResource, UUID> {
+public interface CareerResourceRepository extends JpaRepository<CareerResource, UUID>, JpaSpecificationExecutor<CareerResource> {
     List<CareerResource> findAllByOrderByCreatedAtDesc();
 
+    Page<CareerResource> findAllByOrderByCreatedAtDesc(Pageable pageable);
+
+    List<CareerResource> findAllBySubmittedByEmailOrderByCreatedAtDesc(String email);
+
     boolean existsByUrl(String url);
 }