/qa-include/qa-page-message.php

<?php

	

/*

	Question2Answer (c) Gideon Greenspan



	http://www.question2answer.org/



	

	File: qa-include/qa-page-message.php

	Version: See define()s at top of qa-include/qa-base.php

	Description: Controller for private messaging page





	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

*/



	if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser

		header('Location: ../');

		exit;

	}



	require_once QA_INCLUDE_DIR.'qa-db-selects.php';

	require_once QA_INCLUDE_DIR.'qa-app-users.php';

	require_once QA_INCLUDE_DIR.'qa-app-format.php';

	

	$handle=qa_request_part(1);

	$loginuserid=qa_get_logged_in_userid();





//	Check we have a handle, we're not using Q2A's single-sign on integration and that we're logged in



	if (QA_FINAL_EXTERNAL_USERS)

		qa_fatal_error('User accounts are handled by external code');

	

	if (!strlen($handle))

		qa_redirect('users');



	if (!isset($loginuserid)) {

		$qa_content=qa_content_prepare();

		$qa_content['error']=qa_insert_login_links(qa_lang_html('misc/message_must_login'), qa_request());

		return $qa_content;

	}





//	Find the user profile and questions and answers for this handle

	

	list($toaccount, $torecent, $fromrecent)=qa_db_select_with_pending(

		qa_db_user_account_selectspec($handle, false),

		qa_db_recent_messages_selectspec($loginuserid, true, $handle, false),

		qa_db_recent_messages_selectspec($handle, false, $loginuserid, true)

	);





//	Check the user exists and work out what can and can't be set (if not using single sign-on)

	

	if ( (!qa_opt('allow_private_messages')) || (!is_array($toaccount)) || ($toaccount['flags'] & QA_USER_FLAGS_NO_MESSAGES) )

		return include QA_INCLUDE_DIR.'qa-page-not-found.php';

	



//	Process sending a message to user



	$messagesent=false;

	

	if (qa_post_text('domessage')) {

		require_once QA_INCLUDE_DIR.'qa-app-limits.php';

	

	//	Check that we haven't been blocked on volume

	

		$errorhtml=null;

		

		switch (qa_user_permit_error(null, QA_LIMIT_MESSAGES)) {

			case 'limit':

				$errorhtml=qa_lang_html('misc/message_limit');

				break;

				

			case false:

				break;

				

			default:

				$errorhtml=qa_lang_html('users/no_permission');

				break;

		}

	

		if (isset($errorhtml)) {

			$qa_content=qa_content_prepare();

			$qa_content['error']=$errorhtml;

			return $qa_content;

		}

	



	//	Proceed...

	

		$inmessage=qa_post_text('message');

		

		if (empty($inmessage))

			$errors['message']=qa_lang('misc/message_empty');

		

		if (empty($errors)) {

			require_once QA_INCLUDE_DIR.'qa-db-messages.php';

			require_once QA_INCLUDE_DIR.'qa-app-emails.php';



			if (qa_opt('show_message_history'))

				$messageid=qa_db_message_create($loginuserid, $toaccount['userid'], $inmessage, '');

			else

				$messageid=null;



			$fromhandle=qa_get_logged_in_handle();

			$canreply=!(qa_get_logged_in_flags() & QA_USER_FLAGS_NO_MESSAGES);

			

			$more=strtr(qa_lang($canreply ? 'emails/private_message_reply' : 'emails/private_message_info'), array(

				'^f_handle' => $fromhandle,

				'^url' => qa_path($canreply ? ('message/'.$fromhandle) : ('user/'.$fromhandle), null, qa_opt('site_url')),

			));



			$subs=array(

				'^message' => $inmessage,

				'^f_handle' => $fromhandle,

				'^f_url' => qa_path('user/'.$fromhandle, null, qa_opt('site_url')),

				'^more' => $more,

				'^a_url' => qa_path_html('account', null, qa_opt('site_url')),

			);

			

			if (qa_send_notification($toaccount['userid'], $toaccount['email'], $toaccount['handle'],

					qa_lang('emails/private_message_subject'), qa_lang('emails/private_message_body'), $subs))

				$messagesent=true;

			else

				$page_error=qa_lang_html('main/general_error');



			qa_report_event('u_message', $loginuserid, qa_get_logged_in_handle(), qa_cookie_get(), array(

				'userid' => $toaccount['userid'],

				'handle' => $toaccount['handle'],

				'message' => $inmessage,

			));

		}

	}





//	Prepare content for theme

	

	$qa_content=qa_content_prepare();

	

	$qa_content['title']=qa_lang_html('misc/private_message_title');



	$qa_content['error']=@$page_error;



	$qa_content['form_message']=array(

		'tags' => 'METHOD="POST" ACTION="'.qa_self_html().'"',

		

		'style' => 'tall',

		

		'fields' => array(

			'message' => array(

				'type' => $messagesent ? 'static' : '',

				'label' => qa_lang_html_sub('misc/message_for_x', qa_get_one_user_html($handle, false)),

				'tags' => 'NAME="message" ID="message"',

				'value' => qa_html(@$inmessage, $messagesent),

				'rows' => 8,

				'note' => qa_lang_html_sub('misc/message_explanation', qa_html(qa_opt('site_title'))),

				'error' => qa_html(@$errors['message']),

			),

		),

		

		'buttons' => array(

			'send' => array(

				'label' => qa_lang_html('main/send_button'),

			),

		),

		

		'hidden' => array(

			'domessage' => '1',

		),

	);

	

	$qa_content['focusid']='message';



	if ($messagesent) {

		$qa_content['form_message']['ok']=qa_lang_html('misc/message_sent');

		unset($qa_content['form_message']['fields']['message']['note']);

		unset($qa_content['form_message']['buttons']);

	}

	



//	If relevant, show recent message history



	if (qa_opt('show_message_history')) {

		$recent=array_merge($torecent, $fromrecent);

		

		qa_sort_by($recent, 'created');

		

		$showmessages=array_slice(array_reverse($recent, true), 0, QA_DB_RETRIEVE_MESSAGES);

		

		if (count($showmessages)) {

			$qa_content['form_recent']=array(

				'title' => qa_lang_html_sub('misc/message_recent_history', qa_html($toaccount['handle'])),

				'style' => 'tall',

				'fields' => array(),

			);

			

			foreach ($showmessages as $message) {

				$qa_content['form_recent']['fields'][]=array(

					'label' => qa_lang_html_sub(

						($message['touserid']==$toaccount['userid']) ? 'misc/message_sent_x_ago' : 'misc/message_received_x_ago',

						qa_html(qa_time_to_string(qa_opt('db_time')-$message['created']))),

					'type' => 'static',

					'value' => qa_viewer_html($message['content'], $message['format']),

				);

			}

		}

	}





	$qa_content['raw']['account']=$toaccount; // for plugin layers to access

	



	return $qa_content;





/*

	Omit PHP closing tag to help avoid accidental output

*/