161 lines
4.8 KiB
JavaScript
161 lines
4.8 KiB
JavaScript
/*
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* This file contains the plugin definitions
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*/
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plugins = angular.module('plugins', []);
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/*
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* Definition of a user provided plugin with sensible default values
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*
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* User plugins are created by providing a contentForMessage function
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* that parses a string and return any additional content.
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*/
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var Plugin = function(contentForMessage) {
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return {
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contentForMessage: contentForMessage,
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exclusive: false,
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name: "additional content"
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}
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}
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/*
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* This service provides access to the plugin manager
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*
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* The plugin manager is where the various user provided plugins
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* are registered. It is responsible for finding additional content
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* to display when messages are received.
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*
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*/
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plugins.service('plugins', ['userPlugins', '$sce', function(userPlugins, $sce) {
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var nsfwRegexp = new RegExp('nsfw', 'i');
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/*
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* Defines the plugin manager object
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*/
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var PluginManagerObject = function() {
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var plugins = [];
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/*
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* Register the user provides plugins
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*
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* @param userPlugins user provided plugins
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*/
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var registerPlugins = function(userPlugins) {
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for (var i = 0; i < userPlugins.length; i++) {
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plugins.push(userPlugins[i]);
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};
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}
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/*
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* Iterates through all the registered plugins
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* and run their contentForMessage function.
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*/
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var contentForMessage = function(message) {
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message.metadata = [];
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for (var i = 0; i < plugins.length; i++) {
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var nsfw = false;
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var visible = true;
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if (message.text.match(nsfwRegexp)) {
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var nsfw = true;
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var visible = false;
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}
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var pluginContent = plugins[i].contentForMessage(message.text);
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if (pluginContent) {
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var pluginContent = {'visible': visible,
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'content': $sce.trustAsHtml(pluginContent),
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'nsfw': nsfw,
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'name': plugins[i].name }
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message.metadata.push(pluginContent);
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if (plugins[i].exclusive) {
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break;
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}
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}
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}
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/* Replace all URLs with hyperlinks */
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var urlRegexp = RegExp(/(http|ftp|https):\/\/[\w-]+(\.[\w-]+)+([\w.,@?^=%&:\/~+#-]*[\w@?^=%&\/~+#-])?/g);
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for(k in message.content) {
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var text = message.content[k].text;
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var url = text.match(urlRegexp);
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for(i in url) {
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var u = url[i];
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text = text.replace(u, '<a target="_blank" href="' + u + '">' + u + '</a>');
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}
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message.content[k].text = $sce.trustAsHtml(text);
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}
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return message;
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}
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return {
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registerPlugins: registerPlugins,
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contentForMessage: contentForMessage
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}
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}
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// Instanciates and registers the plugin manager.
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this.PluginManager = new PluginManagerObject();
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this.PluginManager.registerPlugins(userPlugins.plugins);
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}]);
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/*
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* This factory exposes the collection of user provided plugins.
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*
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* To create your own plugin, you need to:
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*
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* 1. Define it's contentForMessage function. The contentForMessage
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* function takes a string as a parameter and returns a HTML string.
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*
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* 2. Instanciate a Plugin object with contentForMessage function as it's
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* argument.
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*
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* 3. Add it to the plugins array.
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*
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*/
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plugins.factory('userPlugins', function() {
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var urlRegexp = RegExp(/(http|ftp|https):\/\/[\w-]+(\.[\w-]+)+([\w.,@?^=%&:\/~+#-]*[\w@?^=%&\/~+#-])?/);
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var youtubePlugin = new Plugin(function(message) {
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var regExp = /^.*((youtu.be\/)|(v\/)|(\/u\/\w\/)|(embed\/)|(watch\?))\??v?=?([^#\&\?]*).*/;
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var match = message.match(regExp);
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if (match && match[7].length==11){
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var token = match[7];
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var embedurl = "http://www.youtube.com/embed/" + token+ "?html5=1&autoplay=0&theme=dark&color=black&iv_load_policy=3";
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return '<iframe width="560" height="315" src="'+ embedurl + '" frameborder="0" allowfullscreen frameborder="0"></iframe>';
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}
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return null;
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});
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youtubePlugin.name = 'youtube video';
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var imagePlugin = new Plugin(function(message) {
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var url = message.match(urlRegexp);
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if (url) {
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var url = url[0]; /* Actually parse one url per message */
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if (url.match(/png$|gif$|jpg$|jpeg$/)) {
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return '<img src="' + url + '" height="300">';
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}
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}
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return null;
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});
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imagePlugin.name = 'image';
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return {
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plugins: [youtubePlugin, imagePlugin]
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}
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});
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