note history

node_modules/db.js

@@ -5,7 +5,7 @@ var path = require('path');
 // var dbPath = require('nw.gui').App.dataPath + '/nedb'
 var dbPath = '/Users/life/Library/Application Support/Leanote' + '/nedb';
 var db = {};
-var dbNames = ['notebooks', 'notes', 'users', 'tags', 'images', 'attachs'];
+var dbNames = ['notebooks', 'notes', 'users', 'tags', 'images', 'attachs', 'noteHistories'];
 for(var i in dbNames) {
 	var name = dbNames[i];
 	db[name] = new Datastore({ filename: path.join(dbPath, name + '.db'), autoload: true });

node_modules/note.js

@@ -19,27 +19,29 @@ function log(o) {
 	console.log(o);
 }
 
+/*
+type NoteOrContent struct {
+	NotebookId string
+	NoteId string
+	UserId string
+	Title string
+	Desc string
+	ImgSrc string
+	Tags []string
+	Content string
+	Abstract string
+	IsNew bool
+	IsMarkdown bool
+	FromUserId string // 为共享而新建
+	IsBlog bool // 是否是blog, 更新note不需要修改, 添加note时才有可能用到, 此时需要判断notebook是否设为Blog
+}
+*/
+
 // 笔记服务
 var Note = {
-	/*
-	type NoteOrContent struct {
-		NotebookId string
-		NoteId string
-		UserId string
-		Title string
-		Desc string
-		ImgSrc string
-		Tags []string
-		Content string
-		Abstract string
-		IsNew bool
-		IsMarkdown bool
-		FromUserId string // 为共享而新建
-		IsBlog bool // 是否是blog, 更新note不需要修改, 添加note时才有可能用到, 此时需要判断notebook是否设为Blog
-	}
-	 */
 	// 更新笔记
 	updateNoteOrContent: function(noteOrContent, callback) {
+		var me = this;
 		var userId = User.getCurActiveUserId();
 		noteOrContent['UserId'] = userId;
 		console.log('updateNoteOrContent: ' + noteOrContent.NoteId);
@@ -66,6 +68,9 @@ var Note = {
 
 					// 重新统计笔记本的笔记数量
 					Notebook.reCountNotebookNumberNotes(noteOrContent.NotebookId);
+
+					me.addNoteHistory(noteOrContent.NoteId, noteOrContent.Content);
+
 					/*
 					// 标签
 					if(noteOrContent.Tags && noteOrContent.Tags.length > 0) {
@@ -100,12 +105,57 @@ var Note = {
 						callback && callback(false);
 					} else {
 						callback && callback(noteOrContent);
+
+						if('Content' in updates) {
+							me.addNoteHistory(noteOrContent.NoteId, noteOrContent.Content);
+						}
 					}
 				});
 			}
 		}
 	},
 
+	// 添加笔记历史
+	/*
+	type NoteContentHistory struct {
+		NoteId    bson.ObjectId `bson:"_id,omitempty"`
+		UserId    bson.ObjectId `bson:"UserId"` // 所属者
+		Histories []EachHistory `Histories`
+	}
+	 */
+	addNoteHistory: function(noteId, content) {
+		var me = this;
+		// 先判断是否存在, 不存在则新建之
+		db.noteHistories.findOne({_id: noteId}, function(err, history) {
+			// 新建之
+			if(!history) {
+				db.noteHistories.insert({_id: noteId, Histories: [content]});
+			}
+			// 更新之
+			else {
+				var histories = history.Histories;
+				histories.push(content);
+				db.noteHistories.update({_id: noteId}, {$set: {Histories: histories}});
+			}
+		});
+	},
+	// 获取笔记历史记录
+	getNoteHistories: function(noteId, callback) {
+		var me = this;
+		db.noteHistories.findOne({_id: noteId}, function(err, doc) {
+			if(err || !doc) {
+				callback(false);
+			}
+			else {
+				var histories = [];
+				for(var i = doc.Histories.length - 1; i >= 0; --i) {
+					histories.push({Content: doc.Histories[i]});
+				}
+				callback(histories);
+			}
+		});
+	},
+
 	// 获取笔记列表
 	getNotes: function(notebookId, callback) {
 		var me = this;