UserMessages.php

<?php
/*
	Question2Answer by Gideon Greenspan and contributors
	http://www.question2answer.org/

	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	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 General Public License for more details.

	More about this license: http://www.question2answer.org/license.php
*/

namespace Q2A\Controllers\User;

use Q2A\Http\Exceptions\PageNotFoundException;
use Q2A\Middleware\Auth\InternalUsersOnly;

require_once QA_INCLUDE_DIR . 'db/selects.php';
require_once QA_INCLUDE_DIR . 'app/messages.php';

class UserMessages extends \Q2A\Controllers\BaseController
{
	public function __construct()
	{
		parent::__construct();

		$this->addMiddleware(new InternalUsersOnly());
	}

	/**
	 * @param string $handle
	 *
	 * @return array
	 * @throws PageNotFoundException
	 */
	public function wall($handle)
	{
		$userhtml = qa_html($handle);

		$start = qa_get_start();

		// Find the questions for this user

		list($useraccount, $usermessages) = qa_db_select_with_pending(
			qa_db_user_account_selectspec($handle, false),
			qa_db_recent_messages_selectspec(null, null, $handle, false, qa_opt_if_loaded('page_size_wall'), $start)
		);
		if (!is_array($useraccount)) { // check the user exists
			throw new PageNotFoundException();
		}

		// Perform pagination

		$pagesize = qa_opt('page_size_wall');
		$count = $useraccount['wallposts'];
		$loginuserid = qa_get_logged_in_userid();

		$usermessages = array_slice($usermessages, 0, $pagesize);
		$usermessages = qa_wall_posts_add_rules($usermessages, $start);


		// Process deleting or adding a wall post (similar but not identical code to qq-page-user-profile.php)

		$errors = array();

		$wallposterrorhtml = qa_wall_error_html($loginuserid, $useraccount['userid'], $useraccount['flags']);

		foreach ($usermessages as $message) {
			if ($message['deleteable'] && qa_clicked('m' . $message['messageid'] . '_dodelete')) {
				if (!qa_check_form_security_code('wall-' . $useraccount['handle'], qa_post_text('code'))) {
					$errors['page'] = qa_lang_html('misc/form_security_again');
				} else {
					qa_wall_delete_post($loginuserid, qa_get_logged_in_handle(), qa_cookie_get(), $message);
					qa_redirect(qa_request(), $_GET);
				}
			}
		}

		if (qa_clicked('dowallpost')) {
			$inmessage = qa_post_text('message');

			if (!strlen($inmessage)) {
				$errors['message'] = qa_lang('profile/post_wall_empty');
			} elseif (!qa_check_form_security_code('wall-' . $useraccount['handle'], qa_post_text('code'))) {
				$errors['message'] = qa_lang_html('misc/form_security_again');
			} elseif (!$wallposterrorhtml) {
				qa_wall_add_post($loginuserid, qa_get_logged_in_handle(), qa_cookie_get(), $useraccount['userid'], $useraccount['handle'], $inmessage, '');
				qa_redirect(qa_request());
			}
		}


		// Prepare content for theme

		$qa_content = qa_content_prepare();

		$qa_content['title'] = qa_lang_html_sub('profile/wall_for_x', $userhtml);
		$qa_content['error'] = @$errors['page'];

		$qa_content['message_list'] = array(
			'tags' => 'id="wallmessages"',

			'form' => array(
				'tags' => 'name="wallpost" method="post" action="' . qa_self_html() . '"',
				'style' => 'tall',
				'hidden' => array(
					'qa_click' => '', // for simulating clicks in Javascript
					'handle' => qa_html($useraccount['handle']),
					'start' => qa_html($start),
					'code' => qa_get_form_security_code('wall-' . $useraccount['handle']),
				),
			),

			'messages' => array(),
		);

		if ($start == 0) { // only allow posting on first page
			if ($wallposterrorhtml) {
				$qa_content['message_list']['error'] = $wallposterrorhtml; // an error that means we are not allowed to post
			} else {
				$qa_content['message_list']['form']['fields'] = array(
					'message' => array(
						'tags' => 'name="message" id="message"',
						'value' => qa_html(@$inmessage, false),
						'rows' => 2,
						'error' => qa_html(@$errors['message']),
					),
				);

				$qa_content['message_list']['form']['buttons'] = array(
					'post' => array(
						'tags' => 'name="dowallpost" onclick="return qa_submit_wall_post(this, false);"',
						'label' => qa_lang_html('profile/post_wall_button'),
					),
				);
			}
		}

		foreach ($usermessages as $message) {
			$qa_content['message_list']['messages'][] = qa_wall_post_view($message);
		}

		$qa_content['page_links'] = qa_html_page_links(qa_request(), $start, $pagesize, $count, qa_opt('pages_prev_next'));


		// Sub menu for navigation in user pages

		$ismyuser = isset($loginuserid) && $loginuserid == $useraccount['userid'];
		$qa_content['navigation']['sub'] = qa_user_sub_navigation($handle, 'wall', $ismyuser);


		return $qa_content;
	}
}