用户notebooks, tags, notes的数量统计

node_modules/user.js

@@ -332,6 +332,69 @@ User = {
 		};
 	},
 
+	// 加载用户的DB, 这样才能统计
+	_loadUserDB: function (user) {
+		var me = this;
+		var sourceDB = {};
+		var names = ['notebooks', 'notes', 'tags'];
+		if (user.UserId === me.userId) {
+			return db;
+		}
+		if (user.HasDB) {
+			db.initIt(sourceDB, names, user.UserId, false);
+		}
+		else {
+			if (!me.hasDB) {
+				return db;
+			}
+			else {
+				db.initIt(sourceDB, names, '', false);
+			}
+		}
+		return sourceDB;
+	},
+
+	// notebook, note, tag统计
+	getUserDBDataStats: function (user, callback) {
+		var me = this;
+		var data = {};
+		var userId = user.UserId;
+
+		var sourceDB = me._loadUserDB(user);
+
+		var query = {UserId: userId, 
+			$or:[
+				{LocalIsDelete: {$exists: false}},
+				{LocalIsDelete: false}
+			],
+			$or:[
+				{IsDeleted: {$exists: false}},
+				{IsDeleted: false}
+			],
+			$or:[
+				{IsTrash: {$exists: false}},
+				{IsTrash: false}
+			]
+		};
+
+		sourceDB.notebooks.count(query, function (err, n) {
+			data.notebook = n;
+			sourceDB.notes.count(query, function (err, n) {
+				data.note = n;
+				sourceDB.tags.count(query, function (err, n) {
+					data.tag = n;
+
+					// 垃圾回收
+					if (sourceDB != db) {
+						sourceDB = null;
+					}
+
+					callback(data);
+				});
+			});
+		});
+	},
+
 	setUserDataPath: function(userId) {
 		var me = this;
 		// 判断是否存在, 不存在则创建dir