support for transactions

Author: Manuel Ortiz

README.md

@@ -1,3 +1,7 @@
+## Fork with transaction handling
+Do not do anything extra, work out of the box
+
+
 ## loopback-connector-sqlite [![Build Status](https://travis-ci.org/Synerzip/loopback-connector-sqlite.svg)](https://travis-ci.org/Synerzip/loopback-connector-sqlite)
 [**LoopBack**](http://loopback.io/) is a highly-extensible, open-source Node.js framework that enables you to create dynamic end-to-end REST APIs with little or no coding. It also enables you to access data from major relational databases, MongoDB, SOAP and REST APIs.
 

lib/sqlite3db.js

@@ -999,3 +999,4 @@ if (!String.prototype.startsWith) {
 }
 
 require('./migration')(SQLiteDB);
+require('./transactions')(SQLiteDB);

lib/transactions.js

@@ -0,0 +1,21 @@
+/**
+* Created by manuel.ortiz@fluxit.com.ar
+*/
+
+var async = require('async');
+var sqlite3 = require("sqlite3");
+var TransactionDatabase = require("sqlite3-transactions").TransactionDatabase;
+
+module.exports = mixinTransactions;
+
+function mixinTransactions(SQLiteDB) {
+
+    SQLiteDB.prototype.beginTransaction = (isolation, cb) => {
+        var db = new TransactionDatabase(new sqlite3.Database(":memory:", sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE));
+        return db.beginTransaction(cb);
+    }
+
+    SQLiteDB.prototype.rollback = (tx, cb) => tx.rollback(cb);
+
+    SQLiteDB.prototype.commit = (tx, cb) => tx.commit(cb);
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "loopback-connector-sqlite",
-  "version": "1.4.5",
+  "version": "1.5.0",
   "description": "LoopBack SQLite3 Database Connector. LoopBack is an API Mgmt/MBaas platform built on top of express by StrongLoop. It supports the notion of connectors to connect to databases, restful web services, soap web services etc.",
   "main": "index.js",
   "scripts": {
@@ -27,7 +27,8 @@
     "async": "^0.9.0",
     "debug": "^2.1.3",
     "loopback-connector": "2.x",
-    "sqlite3": "^3.1.1"
+    "sqlite3": "^3.1.1",
+    "sqlite3-transactions": "^0.0.5"
   },
   "devDependencies": {
     "chai": "^2.1.2",