plugins onAutoload now only overloads if necessary (extlibs etc.)

[quix0rs-gnu-social.git] / plugins / Sample / actions / hello.php

diff --git a/plugins/Sample/actions/hello.php b/plugins/Sample/actions/hello.php
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+<?php
+/**
+ * Give a warm greeting to our friendly user
+ *
+ * PHP version 5
+ *
+ * @category Sample
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2009, StatusNet, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * Give a warm greeting to our friendly user
+ *
+ * This sample action shows some basic ways of doing output in an action
+ * class.
+ *
+ * Action classes have several output methods that they override from
+ * the parent class.
+ *
+ * @category Sample
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ */
+class HelloAction extends Action
+{
+    var $user = null;
+    var $gc   = null;
+
+    /**
+     * Take arguments for running
+     *
+     * This method is called first, and it lets the action class get
+     * all its arguments and validate them. It's also the time
+     * to fetch any relevant data from the database.
+     *
+     * Action classes should run parent::prepare($args) as the first
+     * line of this method to make sure the default argument-processing
+     * happens.
+     *
+     * @param array $args $_REQUEST args
+     *
+     * @return boolean success flag
+     */
+    function prepare($args)
+    {
+        parent::prepare($args);
+
+        $this->user = common_current_user();
+
+        if (!empty($this->user)) {
+            $this->gc = User_greeting_count::inc($this->user->id);
+        }
+
+        return true;
+    }
+
+    /**
+     * Handle request
+     *
+     * This is the main method for handling a request. Note that
+     * most preparation should be done in the prepare() method;
+     * by the time handle() is called the action should be
+     * more or less ready to go.
+     *
+     * @param array $args $_REQUEST args; handled in prepare()
+     *
+     * @return void
+     */
+    function handle($args)
+    {
+        parent::handle($args);
+
+        $this->showPage();
+    }
+
+    /**
+     * Title of this page
+     *
+     * Override this method to show a custom title.
+     *
+     * @return string Title of the page
+     */
+    function title()
+    {
+        if (empty($this->user)) {
+            // TRANS: Page title for sample plugin.
+            return _m('Hello');
+        } else {
+            // TRANS: Page title for sample plugin. %s is a user nickname.
+            return sprintf(_m('Hello, %s!'), $this->user->nickname);
+        }
+    }
+
+    /**
+     * Show content in the content area
+     *
+     * The default StatusNet page has a lot of decorations: menus,
+     * logos, tabs, all that jazz. This method is used to show
+     * content in the content area of the page; it's the main
+     * thing you want to overload.
+     *
+     * This method also demonstrates use of a plural localized string.
+     *
+     * @return void
+     */
+    function showContent()
+    {
+        if (empty($this->user)) {
+            $this->element('p', array('class' => 'greeting'),
+                           // TRANS: Message in sample plugin.
+                           _m('Hello, stranger!'));
+        } else {
+            $this->element('p', array('class' => 'greeting'),
+                           // TRANS: Message in sample plugin. %s is a user nickname.
+                           sprintf(_m('Hello, %s'), $this->user->nickname));
+            $this->element('p', array('class' => 'greeting_count'),
+                           // TRANS: Message in sample plugin.
+                           // TRANS: %d is the number of times a user is greeted.
+                           sprintf(_m('I have greeted you %d time.',
+                                      'I have greeted you %d times.',
+                                      $this->gc->greeting_count),
+                                   $this->gc->greeting_count));
+        }
+    }
+
+    /**
+     * Return true if read only.
+     *
+     * Some actions only read from the database; others read and write.
+     * The simple database load-balancer built into StatusNet will
+     * direct read-only actions to database mirrors (if they are configured),
+     * and read-write actions to the master database.
+     *
+     * This defaults to false to avoid data integrity issues, but you
+     * should make sure to overload it for performance gains.
+     *
+     * @param array $args other arguments, if RO/RW status depends on them.
+     *
+     * @return boolean is read only action?
+     */
+    function isReadOnly($args)
+    {
+        return false;
+    }
+}