From c0360e7beb7915580f27c9bb761fe2464c92140f Mon Sep 17 00:00:00 2001
From: Matias Alejo Garcia <ematiu@gmail.com>
Date: Mon, 1 Sep 2014 16:31:35 -0300
Subject: [PATCH] plugin system v0

---
 Gruntfile.js                    |  1 +
 config.js                       |  4 +--
 copay.js                        |  1 +
 js/app.js                       |  6 -----
 js/controllers/home.js          |  2 +-
 js/models/core/PluginManager.js | 46 +++++++++++++++++++++++++++++++++
 js/services/pluginManager.js    |  3 +++
 plugins/googleDrive.js          | 11 ++++++++
 util/build.js                   | 10 +++++--
 9 files changed, 73 insertions(+), 11 deletions(-)
 create mode 100644 js/models/core/PluginManager.js
 create mode 100644 js/services/pluginManager.js
 create mode 100644 plugins/googleDrive.js

diff --git a/Gruntfile.js b/Gruntfile.js
index fc4b77dee..04078ba62 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -44,6 +44,7 @@ module.exports = function(grunt) {
         files: [
           'js/models/**/*.js',
           'plugins/*.js',
+          'copay.js'
         ],
         tasks: ['shell:dev']
       },
diff --git a/config.js b/config.js
index fe4031e42..6b7e5f30f 100644
--- a/config.js
+++ b/config.js
@@ -53,10 +53,10 @@ var defaultConfig = {
   verbose: 1,
 
   plugins: {
-    googleDrive: true,
+    GoogleDrive: true,
   },
 
-  googleDrive: {
+  GoogleDrive: {
     clientId: '1',
   },
 };
diff --git a/copay.js b/copay.js
index e821f7918..2f0107816 100644
--- a/copay.js
+++ b/copay.js
@@ -16,6 +16,7 @@ var StorageEncrypted = module.exports.StorageEncrypted = require('./js/models/st
 module.exports.WalletFactory = require('./js/models/core/WalletFactory');
 module.exports.Wallet = require('./js/models/core/Wallet');
 module.exports.WalletLock = require('./js/models/core/WalletLock');
+module.exports.PluginManager = require('./js/models/core/PluginManager');
 module.exports.version = require('./version').version;
 module.exports.commitHash = require('./version').commitHash;
 
diff --git a/js/app.js b/js/app.js
index e7b038516..e1a3826ee 100644
--- a/js/app.js
+++ b/js/app.js
@@ -40,12 +40,6 @@ var modules = [
 if (config.plugins.length)
   modules.push('angularLoad');
 
-if (config.plugins.googleDrive) {
-  var googleDrive = require('../plugins/googleDrive');
-  var a = new googleDrive();
-  a.init();
-console.log('[app.js.41:new:]',a); //TODO
-}
 
 
 var copayApp = window.copayApp = angular.module('copayApp', modules);
diff --git a/js/controllers/home.js b/js/controllers/home.js
index 2ac3e7381..a8d367d44 100644
--- a/js/controllers/home.js
+++ b/js/controllers/home.js
@@ -1,7 +1,7 @@
 'use strict';
 
 angular.module('copayApp.controllers').controller('HomeController',
-  function($scope, $rootScope, $location, walletFactory, notification, controllerUtils) {
+  function($scope, $rootScope, $location, walletFactory, notification, controllerUtils, pluginManager) {
     
     controllerUtils.redirIfLogged();
 
diff --git a/js/models/core/PluginManager.js b/js/models/core/PluginManager.js
new file mode 100644
index 000000000..995470481
--- /dev/null
+++ b/js/models/core/PluginManager.js
@@ -0,0 +1,46 @@
+'use strict';
+var preconditions = require('preconditions').singleton();
+
+function PluginManager(config) {
+  this.registered = {};
+
+  for(var ii in config.plugins){
+    var pluginName = ii;
+
+    if (!config.plugins[pluginName])
+      continue;
+
+    console.log('Loading ' + pluginName);
+    var pluginClass = require('../plugins/' + pluginName);
+    var pluginObj  = new pluginClass();
+    pluginObj.init();
+    this._register(pluginObj);
+  }
+};
+
+var KIND_UNIQUE = PluginManager.KIND_UNIQUE = 1;
+var KIND_MULTIPLE = PluginManager.KIND_MULTIPLE = 2;
+
+PluginManager.TYPE = {};
+PluginManager.TYPE['STORAGE'] = KIND_UNIQUE;
+
+PluginManager.prototype._register = function(obj) {
+  preconditions.checkArgument(obj.type,'Plugin has not type');
+  var type = obj.type;
+console.log('[PluginManager.js.29:type:]',type); //TODO
+
+  var kind = PluginManager.TYPE[type];
+  preconditions.checkArgument(kind, 'Plugin has unkown type');
+  preconditions.checkState(kind !== PluginManager.KIND_UNIQUE || !this.registered[type], 'Plugin kind already registered');
+
+  if (kind === PluginManager.KIND_UNIQUE) {
+    this.registered[type] = obj;
+  } else {
+    this.registered[type] = this.registered[type] || [];
+    this.registered[type].push(obj);
+  }
+};
+
+PluginManager.prototype.getOne = function(type) {};
+
+module.exports = PluginManager;
diff --git a/js/services/pluginManager.js b/js/services/pluginManager.js
new file mode 100644
index 000000000..b3371c0cd
--- /dev/null
+++ b/js/services/pluginManager.js
@@ -0,0 +1,3 @@
+'use strict';
+
+angular.module('copayApp.services').value('pluginManager', new copay.PluginManager(config));
diff --git a/plugins/googleDrive.js b/plugins/googleDrive.js
new file mode 100644
index 000000000..6be0c2c55
--- /dev/null
+++ b/plugins/googleDrive.js
@@ -0,0 +1,11 @@
+'use strict';
+
+function GoogleDrive() {
+  this.type = 'STORAGE';
+};
+
+GoogleDrive.prototype.init = function() {
+  console.log('[googleDrive.js.3] init'); //TODO
+};
+
+module.exports = GoogleDrive;
diff --git a/util/build.js b/util/build.js
index 21e2afda8..b9160cc7f 100644
--- a/util/build.js
+++ b/util/build.js
@@ -83,9 +83,15 @@ var createBundle = function(opts) {
   b.require('./js/models/core/HDPath', {
     expose: '../js/models/core/HDPath'
   });
-  b.require('./plugins/googleDrive', {
-    expose: '../plugins/googleDrive'
+  b.require('./js/models/core/PluginManager', {
+    expose: '../js/models/core/PluginManager'
   });
+
+  if (!opts.disablePlugins) {
+    b.require('./plugins/GoogleDrive', {
+      expose: '../plugins/GoogleDrive'
+    });
+  }
  
   b.require('./config', {
     expose: '../config'