From ed92c892c7493ea39b4d6505d2be595170067703 Mon Sep 17 00:00:00 2001
From: shenyu616 <shenyu616@24money.com>
Date: Fri, 21 Jun 2019 15:22:58 +0800
Subject: [PATCH] .

---
 NoteBook.js | 35 +++++++++++++++++++++++++++++++++++
 main.js     | 10 ++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 NoteBook.js
 create mode 100644 main.js

diff --git a/NoteBook.js b/NoteBook.js
new file mode 100644
index 0000000..38e8ac5
--- /dev/null
+++ b/NoteBook.js
@@ -0,0 +1,35 @@
+export default class NoteBook {
+  constructor (props) {
+    const {pages, type} = props;
+    this._bookTotalPages = pages;
+    this._bookType = type;
+    this.logs = [];
+  }
+
+  init (author, bookName) {
+    this._noteBookCreateDate = Date.now ();
+    this._author = author;
+    this._bookName = bookName;
+    this.contexts = [];
+  }
+
+  /**
+   * add new context
+   * @param {title,date,content,weather} params 
+   */
+  addContext (params) {
+    this.contexts.push (params);
+    this._addLog (params);
+  }
+
+  _addLog (params) {
+    const {title, date} = params;
+    const log = `${this._author} add an article 「${title}」 to ${this._bookName} at ${date}`;
+    this.logs.push (log);
+  }
+
+  showHistory () {
+    console.log (this.logs);
+    return this.logs;
+  }
+}
diff --git a/main.js b/main.js
new file mode 100644
index 0000000..123a3d2
--- /dev/null
+++ b/main.js
@@ -0,0 +1,10 @@
+import NoteBook from './NoteBook';
+
+const samOneYearDiary = new NoteBook ({pages: 365, type: 'diary'});
+samOneYearDiary.init ('Sam', "Sam's one year diary");
+samOneYearDiary.addContext ({
+  title: "Sam's one day",
+  date: '2019-06-21',
+  weather: 'rainy',
+  content: 'Still have a lot of work to do 😢',
+});