add lodash and getUserByEmail method

README.md

@@ -29,6 +29,7 @@ npm install slackbots
 - `getChannel(name)` (return: promise) - gets channel by name,
 - `getGroup(name)` (return: promise) - gets group by name,
 - `getUser(name)` (return: promise) - gets user by name,
+- `getUserByEmail(name)` (return: promise) - gets user by name,
 - `getChannelId(name)` (return: promise) - gets channel ID by name,
 - `getGroupId(name)` (return: promise) - gets group ID by name,
 - `getUserId(name)` (return: promise) - gets user ID by name,

index.js

@@ -1,12 +1,10 @@
 'use strict';
 
+var _ = require('lodash');
 var request = require('request');
 var Vow = require('vow');
 var extend = require('extend');
 var WebSocket = require('ws');
-var utils = require('./libs/utils.js');
-var find = utils.find;
-var assert = utils.assert;
 var EventEmitter = require('events').EventEmitter;
 
 class Bot extends EventEmitter {
@@ -20,7 +18,7 @@ class Bot extends EventEmitter {
          this.token = params.token;
          this.name = params.name;
 
-         assert(params.token, 'token must be defined');
+         console.assert(params.token, 'token must be defined');
          this.login();
      }
 
@@ -110,7 +108,7 @@ class Bot extends EventEmitter {
      */
     getUser(name) {
         return this.getUsers().then(function(data) {
-            return find(data.members, { name: name });
+            return _.find(data.members, { name: name }) || {};
         });
     }
 
@@ -121,7 +119,7 @@ class Bot extends EventEmitter {
      */
     getChannel(name) {
         return this.getChannels().then(function(data) {
-            return find(data.channels, { name: name });
+            return _.find(data.channels, { name: name }) || {};
         });
     }
 
@@ -132,7 +130,7 @@ class Bot extends EventEmitter {
      */
     getGroup(name) {
         return this.getGroups().then(function(data) {
-            return find(data.groups, { name: name });
+            return _.find(data.groups, { name: name }) || {};
         });
     }
 
@@ -143,7 +141,7 @@ class Bot extends EventEmitter {
      */
     getUserById(id) {
         return this.getUsers().then(function(data) {
-            return find(data.members, { id: id });
+            return _.find(data.members, { id: id }) || {};
         });
     }
 
@@ -154,7 +152,7 @@ class Bot extends EventEmitter {
       */
     getChannelById(id) {
         return this.getChannels().then(function(data) {
-            return find(data.channels, { id: id });
+            return _.find(data.channels, { id: id }) || {};
         });
     }
 
@@ -165,7 +163,7 @@ class Bot extends EventEmitter {
      */
     getGroupById(id) {
         return this.getGroups().then(function(data) {
-            return find(data.groups, { id: id });
+            return _.find(data.groups, { id: id }) || {};
         });
     }
 
@@ -202,6 +200,17 @@ class Bot extends EventEmitter {
         });
     }
 
+    /**
+     * Get user by email
+     * @param {string} email
+     * @returns {object}
+     */
+    getUserByEmail(email) {
+        return this.getUsers().then(function(data) {
+            return _.find(data.members, { profile: { email: email } });
+        });
+    };
+
     /**
      * Get "direct message" channel ID
      * @param {string} name
@@ -210,9 +219,9 @@ class Bot extends EventEmitter {
     getChatId(name) {
         return this.getUser(name).then(function(data) {
 
-            var chatId = find(this.ims, { user: data.id }).id;
+            var chatId = _.find(this.ims, { user: data.id });
 
-            return chatId || this.openIm(data.id);
+            return (chatId && chatId.id) || this.openIm(data.id);
         }.bind(this)).then(function(data) {
             return typeof data === 'string' ? data : data.channel.id;
         });
@@ -343,9 +352,9 @@ class Bot extends EventEmitter {
         return Vow.all([this.getChannels(), this.getUsers(), this.getGroups()]).then(function(data) {
 
             var all = [].concat(data[0].channels, data[1].members, data[2].groups);
-            var result = find(all, {name: name});
+            var result = _.find(all, {name: name});
 
-            assert(Object.keys(result).length, 'wrong name');
+            console.assert(result, 'wrong name');
 
             if (result['is_channel']) {
                 return this.postMessageToChannel(name, text, params, cb);

package.json

@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "extend": "^2.0.1",
+    "lodash": "^4.17.2",
     "request": "^2.56.0",
     "vow": "^0.4.9",
     "ws": "^1.0.1"

test/test.js

@@ -1,6 +1,5 @@
 var chai = require('chai');
 var Bot = require('../index.js');
-var utils = require('../libs/utils.js');
 var bot = new Bot({token: 'token'});
 var sinon = require('sinon');
 var vow = require('vow');
@@ -11,27 +10,6 @@ var expect = require('chai').expect;
 var request = require('request');
 
 describe('slack-bot-api', function() {
-
-    describe('#find', function() {
-
-        it('1', function() {
-            var data = [{a: 1, b: 2}, {b: 3, c: 4}];
-            expect(utils.find(data, {a: 1})).to.equal(data[0]);
-        });
-        it('2', function() {
-            var data = [{a: 1, b: 2, c: 4}, {b: 3, c: 4}];
-            expect(utils.find(data, {a: 1, c: 4})).to.equal(data[0]);
-        });
-        it('3', function() {
-            var data = [{a: 1, b: 2}, {b: 3, c: 4}];
-            expect(utils.find(data, {b: 3})).to.equal(data[1]);
-        });
-        it('4', function() {
-            var data = [{a: 1, b: 2}, {b: 3, c: 4}];
-            expect(utils.find(data, {a: 1, b: 2, c: 3})).to.not.equal(data[0]);
-        });
-    });
-
     describe('#_preprocessParams', function() {
         it('1', function() {
             var input = {