Feature: First version of the REST API done

app/events/listeners.js

@@ -0,0 +1,35 @@
+var mongoose        = require('mongoose'),
+    Account         = mongoose.model('Account'),
+    EventEmitter    = require('events').EventEmitter,
+    AccountController   = require('../controllers/accounts');
+
+
+var eventEmitter = new EventEmitter(),
+    ACCOUNTS_DELETE_BY_USER_ID_EVT = 'accounts.delete.by.user.id',
+    ENTRIES_DELETE_BY_ACCOUNT_EVT = 'entries.delete.by.account';
+
+eventEmitter.on(ACCOUNTS_DELETE_BY_USER_ID_EVT, function(user_id) {
+    Account.find({user_id: user_id}, function(errors, accounts) {
+        if( errors ) {
+            console.error('An error occurs during accounts deletion for user ' + user_id, errors);
+            return;
+        }
+        
+        if( !accounts ) {
+            console.log('No accounts');
+            return;
+        }
+       for( var index in accounts ) {
+           eventEmitter.emit(ENTRIES_DELETE_BY_ACCOUNT_EVT, accounts[index]);
+       } 
+    });
+});
+eventEmitter.on(ENTRIES_DELETE_BY_ACCOUNT_EVT, AccountController.delete_account);
+
+module.exports = {
+    events : {
+        ACCOUNTS_DELETE_BY_USER_ID_EVT: ACCOUNTS_DELETE_BY_USER_ID_EVT,
+        ENTRIES_DELETE_BY_ACCOUNT_EVT: ENTRIES_DELETE_BY_ACCOUNT_EVT
+    },
+    eventEmitter: eventEmitter
+}