nodebb/public/src/admin/extend/plugins.js

"use strict";
/* global define, app, socket */

define('admin/extend/plugins', function() {
	var Plugins = {
		init: function() {
			var pluginsList = $('.plugins'),
				numPlugins = pluginsList[0].querySelectorAll('li').length,
				pluginID;

			if (numPlugins > 0) {

				pluginsList.on('click', 'button[data-action="toggleActive"]', function() {
					pluginID = $(this).parents('li').attr('data-plugin-id');
					var btn = $(this);
					socket.emit('admin.plugins.toggleActive', pluginID, function(err, status) {
						btn.html('<i class="fa fa-power-off"></i> ' + (status.active ? 'Deactivate' : 'Activate'));
						btn.toggleClass('btn-warning', status.active).toggleClass('btn-success', !status.active);

						app.alert({
							alert_id: 'plugin_toggled',
							title: 'Plugin ' + (status.active ? 'Enabled' : 'Disabled'),
							message: status.active ? 'Please reload your NodeBB to fully activate this plugin' : 'Plugin successfully deactivated',
							type: status.active ? 'warning' : 'success',
							timeout: 5000,
							clickfn: function() {
								socket.emit('admin.reload');
							}
						});
					});
				});

				pluginsList.on('click', 'button[data-action="toggleInstall"]', function() {
					pluginID = $(this).parents('li').attr('data-plugin-id');

					Plugins.suggest(pluginID, function(err, payload) {
						if (!err) {
							require(['semver'], function(semver) {
								if (payload.version !== 'latest') {
									Plugins.toggleInstall(pluginID, payload.version);
								} else if (payload.version === 'latest') {
									bootbox.confirm(
										'<div class="alert alert-warning"><p><strong>No Compatibility Infomation Found</strong></p><p>This plugin did not specify a specific version for installation given your NodeBB version. Full compatibility cannot be guaranteed, and may cause your NodeBB to no longer start properly.</p></div>' +
										'<p>In the event that NodeBB cannot boot properly:</p>' +
										'<pre><code>$ ./nodebb reset plugin="' + pluginID + '"</code></pre>' +
										'<p>Continue installation of latest version of this plugin?</p>'
									, function(confirm) {
										if (confirm) {
											Plugins.toggleInstall(pluginID, 'latest');
										}
									});
								}
							});
						} else {
							bootbox.confirm('<p>NodeBB could not reach the package manager, proceed with installation of latest version?</p><div class="alert alert-danger"><strong>Server returned (' + err.status + ')</strong>: ' + err.responseText + '</div>', function(confirm) {
								if (confirm) {
									Plugins.toggleInstall(pluginID, 'latest');
								}
							});
						}
					});
				});

				pluginsList.on('click', 'button[data-action="upgrade"]', function() {
					var btn = $(this);
					var parent = btn.parents('li');
					pluginID = parent.attr('data-plugin-id');


					Plugins.suggest(pluginID, function(err, payload) {
						if (!err) {
							require(['semver'], function(semver) {
								if (payload.version !== 'latest' && semver.gt(payload.version, parent.find('.currentVersion').text())) {
									btn.attr('disabled', true).find('i').attr('class', 'fa fa-refresh fa-spin');
									socket.emit('admin.plugins.upgrade', {
										id: pluginID,
										version: payload.version
									}, function(err) {
										if (err) {
											return app.alertError(err.message);
										}
										parent.find('.fa-exclamation-triangle').remove();
										parent.find('.currentVersion').text(payload.version);
										btn.remove();
									});
								} else if (payload.version === 'latest') {
									bootbox.confirm(
										'<div class="alert alert-warning"><p><strong>No Compatibility Infomation Found</strong></p><p>This plugin did not specify a specific version for installation given your NodeBB version. Full compatibility cannot be guaranteed, and may cause your NodeBB to no longer start properly.</p></div>' +
										'<p>In the event that NodeBB cannot boot properly:</p>' +
										'<pre><code>$ ./nodebb reset plugin="' + pluginID + '"</code></pre>' +
										'<p>Continue installation of latest version of this plugin?</p>'
									, function(confirm) {
										if (confirm) {
											socket.emit('admin.plugins.upgrade', {
												id: pluginID,
												version: payload.version
											}, function(err) {
												if (err) {
													return app.alertError(err.message);
												}
												parent.find('.fa-exclamation-triangle').remove();
												parent.find('.currentVersion').text(payload.version);
												btn.remove();
											});
										}
									});
								} else {
									bootbox.alert('<p>Your version of NodeBB (v' + app.config.version + ') is only cleared to upgrade to v' + payload.version + ' of this plugin. Please update your NodeBB if you wish to install a newer version of this plugin.');
								}
							});
						} else {
							bootbox.alert('<p>NodeBB could not reach the package manager, an upgrade is not suggested at this time.</p>');
						}
					});
				});


				$('#plugin-search').on('input propertychange', function() {
					var term = $(this).val();
					$('.plugins li').each(function() {
						var pluginId = $(this).attr('data-plugin-id');
						$(this).toggleClass('hide', pluginId && pluginId.indexOf(term) === -1);
					});
				});

			} else {
				pluginsList.append('<li><p><i>No plugins found.</i></p></li>');
			}
		},
		toggleInstall: function(pluginID, version, callback) {
			var btn = $('li[data-plugin-id="' + pluginID + '"] button[data-action="toggleInstall"]');
			var activateBtn = btn.siblings('[data-action="toggleActive"]');
			btn.html(btn.html() + 'ing')
				.attr('disabled', true)
				.find('i').attr('class', 'fa fa-refresh fa-spin');

			socket.emit('admin.plugins.toggleInstall', {
				id: pluginID,
				version: version
			}, function(err, status) {
				if (err) {
					return app.alertError(err.message);
				}

				if (status.installed) {
					btn.html('<i class="fa fa-trash-o"></i> Uninstall');
				} else {
					btn.html('<i class="fa fa-download"></i> Install');

				}
				activateBtn.toggleClass('hidden', !status.installed);

				btn.toggleClass('btn-danger', status.installed).toggleClass('btn-success', !status.installed)
					.attr('disabled', false);

				app.alert({
					alert_id: 'plugin_toggled',
					title: 'Plugin ' + (status.installed ? 'Installed' : 'Uninstalled'),
					message: status.installed ? 'Plugin successfully installed, please activate the plugin.' : 'The plugin has been successfully deactivated and uninstalled.',
					type: 'info',
					timeout: 5000
				});

				if (typeof callback === 'function') {
					callback.apply(this, arguments);
				}
			});
		},
		suggest: function(pluginId, callback) {
			var nbbVersion = app.config.version;
			$.ajax('https://packages.nodebb.org/api/v1/suggest', {
				type: 'GET',
				data: {
					package: pluginId,
					version: nbbVersion
				},
				dataType: 'json'
			}).done(function(payload) {
				callback(undefined, payload);
			}).fail(callback);
		}
	};

	return Plugins;
});