first commit

.gitignore

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+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
+node_modules

db.js

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+var connectionString, db, mongoose, options;
+
+mongoose = require('mongoose');
+
+var host  = "127.0.0.1";
+var port  = "27017";
+var db    = "test-mongoose-dao";
+
+connectionString = 'mongodb://' + host + ':' + port + '/' + db + '';
+
+options = {
+  db: {
+    native_parser: true
+  },
+  server: {
+    auto_reconnect: true,
+    poolSize: 5
+  }
+};
+
+mongoose.connect(connectionString, options, function(err, res) {
+  if (err) {
+    console.log('[mongoose log] Error connecting to: ', +connectionString + '. ' + err);
+    return process.exit(1);
+  } else {
+    return console.log('[mongoose log] Successfully connected to: ', +connectionString);
+  }
+});
+
+db = mongoose.connection;
+
+db.on('error', console.error.bind(console, 'mongoose connection error:'));
+
+db.once('open', function() {
+  return console.log('mongoose open success');
+});
+
+
+module.exports = db;

index.js

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+function CommonDao (Model){
+    /*if(typeof Model === 'undefined' || Model == null)
+        throw new Error('Model can not be null.');
+*/
+    this.model = Model;
+}
+
+CommonDao.prototype.create = function (doc,callback){
+    this.model.create(doc, function (error) {
+        if(error) return callback(error);
+
+        return callback(null);
+    });
+};
+
+CommonDao.prototype.getById = function (id, callback) {
+    this.model.findOne({_id:id}, function(error, model){
+        if(error) return callback(error,null);
+
+        return callback(null,model);
+    });
+};
+
+CommonDao.prototype.countByQuery = function (query, callback) {
+    this.model.count(query, function(error, model){
+        if(error) return callback(error,null);
+
+        return callback(null,model);
+    });
+};
+
+CommonDao.prototype.getByQuery = function (query,fileds,opt,callback) {
+    this.model.find(query, fileds, opt, function(error,model){
+        if(error) return callback(error,null);
+
+        return callback(null,model);
+    });
+};
+
+
+CommonDao.prototype.getAll = function (callback) {
+    this.model.find({}, function(error,model){
+        if(error) return callback(error,null);
+
+        return callback(null, model);
+    });
+};
+/*
+CommonDao.prototype.getAllModelByOption = function (opt, callback) {
+    CommonDao.getModelByQuery({},{},opt, callback);
+};*/
+
+
+CommonDao.prototype.delete = function (query, callback){
+    this.model.remove(query, function(error){
+        if(error) return callback(error);
+
+        return callback(null);
+    });
+};
+
+CommonDao.prototype.update = function( conditions, update ,options, callback) {
+    this.model.update(conditions, update, options, function (error) {
+        if(error) return callback(error);
+
+        return callback(null);
+    });
+};
+
+module.exports = CommonDao;

package.json

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+{
+  "name": "mongoosedao",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "chai": "^2.3.0",
+    "mocha": "^2.2.5",
+    "mongoose": "^4.0.4"
+  }
+}

test/Metting.js

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+var mongoose = require('mongoose');
+var Schema = mongoose.Schema;
+
+
+UserSchema = new Schema({
+  username: {
+    type: String,
+    required: true,
+    index: {
+      unique: true
+    }
+  },
+  password: {
+    type: String,
+    required: true
+  },
+  avatar: String,
+  address: String,
+  created_at: {
+    type: Date,
+    "default": Date.now
+  }
+});
+
+UserSchema.methods.find_by_name = function(cb) {
+  return this.model('UserModel').find({
+    username: this.username
+  }, cb);
+};
+
+UserSchema.methods.is_exist = function(cb) {
+  var query;
+  query = {
+    username: this.username,
+    password: this.password
+  };
+  return this.model('UserModel').findOne(query, cb);
+};
+
+UserSchema.statics.delete_by_name = function(name, cb_succ, cb_fail) {};
+
+var UserModel = mongoose.model('UserModel', UserSchema);
+
+var CommonDao = require('../');
+
+
+var MettingDao = new CommonDao(UserModel);
+
+module.exports = MettingDao;
+

test/test.js

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+require('../db');
+
+
+Metting = require('./Metting');
+
+
+Metting.create({"username":"sss","password":"password"},function(err, user){
+  console.log(user);
+});
+
+
+
+Metting.delete({"username":"sss","password":"password"},function(err, user){
+  console.log(user);
+});