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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
Description: Event module for maintaining events tables
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
*/
class qa_event_updates
{
public function process_event($event, $userid, $handle, $cookieid, $params)
{
if (@$params['silent']) // don't create updates about silent edits, and possibly other silent events in future
return;
require_once QA_INCLUDE_DIR . 'db/events.php';
require_once QA_INCLUDE_DIR . 'app/events.php';
switch ($event) {
case 'q_post':
if (isset($params['parent'])) // question is following an answer
qa_create_event_for_q_user($params['parent']['parentid'], $params['postid'], QA_UPDATE_FOLLOWS, $userid, $params['parent']['userid']);
qa_create_event_for_q_user($params['postid'], $params['postid'], null, $userid);
qa_create_event_for_tags($params['tags'], $params['postid'], null, $userid);
qa_create_event_for_category($params['categoryid'], $params['postid'], null, $userid);
break;
case 'a_post':
qa_create_event_for_q_user($params['parentid'], $params['postid'], null, $userid, $params['parent']['userid']);
break;
case 'c_post':
$keyuserids = array();
foreach ($params['thread'] as $comment) // previous comments in thread (but not author of parent again)
{
if (isset($comment['userid']))
$keyuserids[$comment['userid']] = true;
}
foreach ($keyuserids as $keyuserid => $dummy) {
if ($keyuserid != $userid)
qa_db_event_create_not_entity($keyuserid, $params['questionid'], $params['postid'], QA_UPDATE_FOLLOWS, $userid);
}
switch ($params['parent']['basetype']) {
case 'Q':
$updatetype = QA_UPDATE_C_FOR_Q;
break;
case 'A':
$updatetype = QA_UPDATE_C_FOR_A;
break;
default:
$updatetype = null;
break;
}
// give precedence to 'your comment followed' rather than 'your Q/A commented' if both are true
qa_create_event_for_q_user($params['questionid'], $params['postid'], $updatetype, $userid,
@$keyuserids[$params['parent']['userid']] ? null : $params['parent']['userid']);
break;
case 'q_edit':
if ($params['titlechanged'] || $params['contentchanged'])
$updatetype = QA_UPDATE_CONTENT;
elseif ($params['tagschanged'])
$updatetype = QA_UPDATE_TAGS;
else
$updatetype = null;
if (isset($updatetype)) {
qa_create_event_for_q_user($params['postid'], $params['postid'], $updatetype, $userid, $params['oldquestion']['userid']);
if ($params['tagschanged'])
qa_create_event_for_tags($params['tags'], $params['postid'], QA_UPDATE_TAGS, $userid);
}
break;
case 'a_select':
qa_create_event_for_q_user($params['parentid'], $params['postid'], QA_UPDATE_SELECTED, $userid, $params['answer']['userid']);
break;
case 'q_reopen':
case 'q_close':
qa_create_event_for_q_user($params['postid'], $params['postid'], QA_UPDATE_CLOSED, $userid, $params['oldquestion']['userid']);
break;
case 'q_hide':
if (isset($params['oldquestion']['userid']))
qa_db_event_create_not_entity($params['oldquestion']['userid'], $params['postid'], $params['postid'], QA_UPDATE_VISIBLE, $userid);
break;
case 'q_reshow':
qa_create_event_for_q_user($params['postid'], $params['postid'], QA_UPDATE_VISIBLE, $userid, $params['oldquestion']['userid']);
break;
case 'q_move':
qa_create_event_for_q_user($params['postid'], $params['postid'], QA_UPDATE_CATEGORY, $userid, $params['oldquestion']['userid']);
qa_create_event_for_category($params['categoryid'], $params['postid'], QA_UPDATE_CATEGORY, $userid);
break;
case 'a_edit':
if ($params['contentchanged'])
qa_create_event_for_q_user($params['parentid'], $params['postid'], QA_UPDATE_CONTENT, $userid, $params['oldanswer']['userid']);
break;
case 'a_hide':
if (isset($params['oldanswer']['userid']))
qa_db_event_create_not_entity($params['oldanswer']['userid'], $params['parentid'], $params['postid'], QA_UPDATE_VISIBLE, $userid);
break;
case 'a_reshow':
qa_create_event_for_q_user($params['parentid'], $params['postid'], QA_UPDATE_VISIBLE, $userid, $params['oldanswer']['userid']);
break;
case 'c_edit':
if ($params['contentchanged'])
qa_create_event_for_q_user($params['questionid'], $params['postid'], QA_UPDATE_CONTENT, $userid, $params['oldcomment']['userid']);
break;
case 'a_to_c':
if ($params['contentchanged'])
qa_create_event_for_q_user($params['questionid'], $params['postid'], QA_UPDATE_CONTENT, $userid, $params['oldanswer']['userid']);
else
qa_create_event_for_q_user($params['questionid'], $params['postid'], QA_UPDATE_TYPE, $userid, $params['oldanswer']['userid']);
break;
case 'c_hide':
if (isset($params['oldcomment']['userid']))
qa_db_event_create_not_entity($params['oldcomment']['userid'], $params['questionid'], $params['postid'], QA_UPDATE_VISIBLE, $userid);
break;
case 'c_reshow':
qa_create_event_for_q_user($params['questionid'], $params['postid'], QA_UPDATE_VISIBLE, $userid, $params['oldcomment']['userid']);
break;
}
}
}