/
post-update.php
1516 lines (1247 loc) · 52.8 KB
/
post-update.php
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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
Description: Changing questions, answer and comments (application level)
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 . 'app/post-create.php';
require_once QA_INCLUDE_DIR . 'app/updates.php';
require_once QA_INCLUDE_DIR . 'db/post-create.php';
require_once QA_INCLUDE_DIR . 'db/post-update.php';
require_once QA_INCLUDE_DIR . 'db/points.php';
require_once QA_INCLUDE_DIR . 'db/hotness.php';
define('QA_POST_STATUS_NORMAL', 0);
define('QA_POST_STATUS_HIDDEN', 1);
define('QA_POST_STATUS_QUEUED', 2);
/**
* Change the fields of a question (application level) to $title, $content, $format, $tagstring, $notify, $extravalue
* and $name, then reindex based on $text. For backwards compatibility if $name is null then the name will not be
* changed. Pass the question's database record before changes in $oldquestion and details of the user doing this in
* $userid, $handle and $cookieid. Set $remoderate to true if the question should be requeued for moderation if
* modified. Set $silent to true to not mark the question as edited. Reports event as appropriate. See /qa-include/app/posts.php
* for a higher-level function which is easier to use.
* @param $oldquestion
* @param $title
* @param $content
* @param $format
* @param $text
* @param $tagstring
* @param $notify
* @param $userid
* @param $handle
* @param $cookieid
* @param $extravalue
* @param $name
* @param bool $remoderate
* @param bool $silent
*/
function qa_question_set_content($oldquestion, $title, $content, $format, $text, $tagstring, $notify, $userid, $handle, $cookieid, $extravalue = null, $name = null, $remoderate = false, $silent = false)
{
qa_post_unindex($oldquestion['postid']);
$wasqueued = ($oldquestion['type'] == 'Q_QUEUED');
$titlechanged = strcmp($oldquestion['title'], $title) !== 0;
$contentchanged = strcmp($oldquestion['content'], $content) !== 0 || strcmp($oldquestion['format'], $format) !== 0;
$tagschanged = strcmp($oldquestion['tags'], $tagstring) !== 0;
$setupdated = ($titlechanged || $contentchanged || $tagschanged) && (!$wasqueued) && !$silent;
qa_db_post_set_content($oldquestion['postid'], $title, $content, $format, $tagstring, $notify,
$setupdated ? $userid : null, $setupdated ? qa_remote_ip_address() : null,
($titlechanged || $contentchanged) ? QA_UPDATE_CONTENT : QA_UPDATE_TAGS, $name);
if (isset($extravalue)) {
require_once QA_INCLUDE_DIR . 'db/metas.php';
qa_db_postmeta_set($oldquestion['postid'], 'qa_q_extra', $extravalue);
}
if ($setupdated && $remoderate) {
require_once QA_INCLUDE_DIR . 'app/posts.php';
$answers = qa_post_get_question_answers($oldquestion['postid']);
$commentsfollows = qa_post_get_question_commentsfollows($oldquestion['postid']);
$closepost = qa_post_get_question_closepost($oldquestion['postid']);
foreach ($answers as $answer)
qa_post_unindex($answer['postid']);
foreach ($commentsfollows as $comment) {
if ($comment['basetype'] == 'C')
qa_post_unindex($comment['postid']);
}
if (isset($closepost) && $closepost['parentid'] == $oldquestion['postid'])
qa_post_unindex($closepost['postid']);
qa_db_post_set_type($oldquestion['postid'], 'Q_QUEUED');
qa_private_question_cache_recalc($oldquestion, -1);
qa_db_queuedcount_update(1);
qa_db_points_update_ifuser($oldquestion['userid'], array('qposts', 'aselects'));
if ($oldquestion['flagcount'] > 0) {
qa_db_flaggedcount_update(-$oldquestion['flagcount']);
}
} elseif ($oldquestion['type'] == 'Q') { // not hidden or queued
qa_post_index($oldquestion['postid'], 'Q', $oldquestion['postid'], $oldquestion['parentid'], $title, $content, $format, $text, $tagstring, $oldquestion['categoryid']);
if ($tagschanged) {
qa_db_tagcount_update();
}
}
qa_question_uncache($oldquestion['postid']);
$eventparams = array(
'postid' => $oldquestion['postid'],
'title' => $title,
'content' => $content,
'format' => $format,
'text' => $text,
'tags' => $tagstring,
'extra' => $extravalue,
'name' => $name,
'oldquestion' => $oldquestion,
);
qa_report_event('q_edit', $userid, $handle, $cookieid, $eventparams + array(
'silent' => $silent,
'oldtitle' => $oldquestion['title'],
'oldcontent' => $oldquestion['content'],
'oldformat' => $oldquestion['format'],
'oldtags' => $oldquestion['tags'],
'titlechanged' => $titlechanged,
'contentchanged' => $contentchanged,
'tagschanged' => $tagschanged,
));
if ($setupdated && $remoderate)
qa_report_event('q_requeue', $userid, $handle, $cookieid, $eventparams);
}
/**
* Set the selected answer (application level) of $oldquestion to $selchildid. Pass details of the user doing this
* in $userid, $handle and $cookieid, and the database records for the selected and deselected answers in $answers.
* Handles user points values and notifications.
* See /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $userid
* @param $handle
* @param $cookieid
* @param $oldquestion
* @param $selchildid
* @param $answers
*/
function qa_question_set_selchildid($userid, $handle, $cookieid, $oldquestion, $selchildid, $answers)
{
$oldselchildid = $oldquestion['selchildid'];
$lastip = qa_remote_ip_address();
qa_db_post_set_selchildid($oldquestion['postid'], isset($selchildid) ? $selchildid : null, $userid, $lastip);
qa_db_points_update_ifuser($oldquestion['userid'], 'aselects');
if (isset($oldselchildid) && isset($answers[$oldselchildid])) {
// Update caches
qa_db_unselqcount_update(1);
qa_db_points_update_ifuser($answers[$oldselchildid]['userid'], 'aselecteds');
qa_report_event('a_unselect', $userid, $handle, $cookieid, array(
'parentid' => $oldquestion['postid'],
'parent' => $oldquestion,
'postid' => $oldselchildid,
'answer' => $answers[$oldselchildid],
));
if (!empty($oldquestion['closed']) && empty($oldquestion['closedbyid'])) {
qa_db_post_set_closed($oldquestion['postid'], null, $userid, $lastip);
qa_report_event('q_reopen', $userid, $handle, $cookieid, array(
'postid' => $oldquestion['postid'],
'oldquestion' => $oldquestion,
));
}
}
if (isset($selchildid)) {
// Update caches
qa_db_unselqcount_update(-1);
qa_db_points_update_ifuser($answers[$selchildid]['userid'], 'aselecteds');
qa_report_event('a_select', $userid, $handle, $cookieid, array(
'parentid' => $oldquestion['postid'],
'parent' => $oldquestion,
'postid' => $selchildid,
'answer' => $answers[$selchildid],
));
if (empty($oldquestion['closed']) && qa_opt('do_close_on_select')) {
qa_db_post_set_closed($oldquestion['postid'], null, $userid, $lastip);
qa_report_event('q_close', $userid, $handle, $cookieid, array(
'postid' => $oldquestion['postid'],
'oldquestion' => $oldquestion,
'reason' => 'answer-selected',
'originalid' => $answers[$selchildid],
));
}
}
}
/**
* Reopen $oldquestion if it was closed. Pass details of the user doing this in $userid, $handle and $cookieid, and the
* $oldclosepost (to match $oldquestion['closedbyid']) if any.
* See /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $oldquestion
* @param $oldclosepost
* @param $userid
* @param $handle
* @param $cookieid
*/
function qa_question_close_clear($oldquestion, $oldclosepost, $userid, $handle, $cookieid)
{
if (isset($oldquestion['closedbyid'])) {
qa_db_post_set_closed($oldquestion['postid'], null, $userid, qa_remote_ip_address());
if (isset($oldclosepost) && ($oldclosepost['parentid'] == $oldquestion['postid'])) {
qa_post_unindex($oldclosepost['postid']);
qa_db_post_delete($oldclosepost['postid']);
}
qa_private_question_basic_cache_recalc($oldquestion, 1);
qa_report_event('q_reopen', $userid, $handle, $cookieid, array(
'postid' => $oldquestion['postid'],
'oldquestion' => $oldquestion,
));
}
}
/**
* Close $oldquestion as a duplicate of the question with id $originalpostid. Pass details of the user doing this in
* $userid, $handle and $cookieid, and the $oldclosepost (to match $oldquestion['closedbyid']) if any. See
* /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $oldquestion
* @param $oldclosepost
* @param $originalpostid
* @param $userid
* @param $handle
* @param $cookieid
*/
function qa_question_close_duplicate($oldquestion, $oldclosepost, $originalpostid, $userid, $handle, $cookieid)
{
qa_question_close_clear($oldquestion, $oldclosepost, $userid, $handle, $cookieid);
qa_db_post_set_closed($oldquestion['postid'], $originalpostid, $userid, qa_remote_ip_address());
// Update caches
qa_private_question_basic_cache_recalc($oldquestion, -1);
qa_report_event('q_close', $userid, $handle, $cookieid, array(
'postid' => $oldquestion['postid'],
'oldquestion' => $oldquestion,
'reason' => 'duplicate',
'originalid' => $originalpostid,
));
}
/**
* Close $oldquestion with the reason given in $note. Pass details of the user doing this in $userid, $handle and
* $cookieid, and the $oldclosepost (to match $oldquestion['closedbyid']) if any.
* See /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $oldquestion
* @param $oldclosepost
* @param $note
* @param $userid
* @param $handle
* @param $cookieid
*/
function qa_question_close_other($oldquestion, $oldclosepost, $note, $userid, $handle, $cookieid)
{
qa_question_close_clear($oldquestion, $oldclosepost, $userid, $handle, $cookieid);
$postid = qa_db_post_create('NOTE', $oldquestion['postid'], $userid, isset($userid) ? null : $cookieid,
qa_remote_ip_address(), null, $note, '', null, null, $oldquestion['categoryid']);
qa_db_posts_calc_category_path($postid);
if ($oldquestion['type'] == 'Q')
qa_post_index($postid, 'NOTE', $oldquestion['postid'], $oldquestion['postid'], null, $note, '', $note, null, $oldquestion['categoryid']);
qa_db_post_set_closed($oldquestion['postid'], $postid, $userid, qa_remote_ip_address());
// Update caches
qa_private_question_basic_cache_recalc($oldquestion, -1);
qa_report_event('q_close', $userid, $handle, $cookieid, array(
'postid' => $oldquestion['postid'],
'oldquestion' => $oldquestion,
'reason' => 'other',
'note' => $note,
));
}
/**
* Set $oldquestion to hidden if $hidden is true, visible/normal if otherwise. All other parameters are as for qa_question_set_status(...)
* @deprecated Replaced by qa_question_set_status.
* @param $oldquestion
* @param $hidden
* @param $userid
* @param $handle
* @param $cookieid
* @param $answers
* @param $commentsfollows
* @param $closepost
*/
function qa_question_set_hidden($oldquestion, $hidden, $userid, $handle, $cookieid, $answers, $commentsfollows, $closepost = null)
{
qa_question_set_status($oldquestion, $hidden ? QA_POST_STATUS_HIDDEN : QA_POST_STATUS_NORMAL, $userid, $handle, $cookieid, $answers, $commentsfollows, $closepost);
}
/**
* Set the status (application level) of $oldquestion to $status, one of the QA_POST_STATUS_* constants above. Pass
* details of the user doing this in $userid, $handle and $cookieid, the database records for all answers to the
* question in $answers, the database records for all comments on the question or the question's answers in
* $commentsfollows ($commentsfollows can also contain records for follow-on questions which are ignored), and
* $closepost to match $oldquestion['closedbyid'] (if any). Handles indexing, user points, cached counts and event
* reports. See /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $oldquestion
* @param $status
* @param $userid
* @param $handle
* @param $cookieid
* @param $answers
* @param $commentsfollows
* @param $closepost
*/
function qa_question_set_status($oldquestion, $status, $userid, $handle, $cookieid, $answers, $commentsfollows, $closepost = null)
{
require_once QA_INCLUDE_DIR . 'app/format.php';
require_once QA_INCLUDE_DIR . 'app/updates.php';
$washidden = ($oldquestion['type'] == 'Q_HIDDEN');
$wasqueued = ($oldquestion['type'] == 'Q_QUEUED');
$wasrequeued = $wasqueued && isset($oldquestion['updated']);
qa_post_unindex($oldquestion['postid']);
foreach ($answers as $answer) {
qa_post_unindex($answer['postid']);
}
foreach ($commentsfollows as $comment) {
if ($comment['basetype'] == 'C')
qa_post_unindex($comment['postid']);
}
if (isset($closepost) && $closepost['parentid'] == $oldquestion['postid'])
qa_post_unindex($closepost['postid']);
$setupdated = false;
$event = null;
if ($status == QA_POST_STATUS_QUEUED) {
$newtype = 'Q_QUEUED';
if (!$wasqueued)
$event = 'q_requeue'; // same event whether it was hidden or shown before
} elseif ($status == QA_POST_STATUS_HIDDEN) {
$newtype = 'Q_HIDDEN';
if (!$washidden) {
$event = $wasqueued ? 'q_reject' : 'q_hide';
if (!$wasqueued)
$setupdated = true;
}
} elseif ($status == QA_POST_STATUS_NORMAL) {
$newtype = 'Q';
if ($wasqueued)
$event = 'q_approve';
elseif ($washidden) {
$event = 'q_reshow';
$setupdated = true;
}
} else
qa_fatal_error('Unknown status in qa_question_set_status(): ' . $status);
qa_db_post_set_type($oldquestion['postid'], $newtype, $setupdated ? $userid : null, $setupdated ? qa_remote_ip_address() : null, QA_UPDATE_VISIBLE);
if ($wasqueued && $status == QA_POST_STATUS_NORMAL && qa_opt('moderate_update_time')) { // ... for approval of a post, can set time to now instead
if ($wasrequeued) // reset edit time to now if there was one, since we're approving the edit...
qa_db_post_set_updated($oldquestion['postid'], null);
else { // ... otherwise we're approving original created post
qa_db_post_set_created($oldquestion['postid'], null);
qa_db_hotness_update($oldquestion['postid']);
}
}
// Update caches
$difference = null;
if ($status === QA_POST_STATUS_NORMAL) {
if ($oldquestion['type'] !== 'Q') {
$difference = 1;
}
} else {
if ($oldquestion['type'] === 'Q') {
$difference = -1;
}
}
if (isset($difference)) {
qa_private_question_cache_recalc($oldquestion, $difference);
}
if ($wasqueued) {
if ($status !== QA_POST_STATUS_QUEUED) {
qa_db_queuedcount_update(-1);
}
} else {
if ($status === QA_POST_STATUS_QUEUED) {
qa_db_queuedcount_update(1);
}
}
qa_db_points_update_ifuser($oldquestion['userid'], array('qposts', 'aselects'));
if ($oldquestion['flagcount'] > 0 && isset($difference)) {
qa_db_flaggedcount_update($difference * $oldquestion['flagcount']);
}
if ($status == QA_POST_STATUS_NORMAL) {
qa_post_index($oldquestion['postid'], 'Q', $oldquestion['postid'], $oldquestion['parentid'], $oldquestion['title'], $oldquestion['content'],
$oldquestion['format'], qa_viewer_text($oldquestion['content'], $oldquestion['format']), $oldquestion['tags'], $oldquestion['categoryid']);
foreach ($answers as $answer) {
if ($answer['type'] == 'A') { // even if question visible, don't index hidden or queued answers
qa_post_index($answer['postid'], $answer['type'], $oldquestion['postid'], $answer['parentid'], null,
$answer['content'], $answer['format'], qa_viewer_text($answer['content'], $answer['format']), null, $answer['categoryid']);
}
}
foreach ($commentsfollows as $comment) {
if ($comment['type'] == 'C') {
$answer = @$answers[$comment['parentid']];
if (!isset($answer) || $answer['type'] == 'A') { // don't index comment if it or its parent is hidden
qa_post_index($comment['postid'], $comment['type'], $oldquestion['postid'], $comment['parentid'], null,
$comment['content'], $comment['format'], qa_viewer_text($comment['content'], $comment['format']), null, $comment['categoryid']);
}
}
}
if (isset($closepost) && $closepost['parentid'] == $oldquestion['postid']) {
qa_post_index($closepost['postid'], $closepost['type'], $oldquestion['postid'], $closepost['parentid'], null,
$closepost['content'], $closepost['format'], qa_viewer_text($closepost['content'], $closepost['format']), null, $closepost['categoryid']);
}
}
qa_question_uncache($oldquestion['postid']); // remove hidden posts immediately
$eventparams = array(
'postid' => $oldquestion['postid'],
'parentid' => $oldquestion['parentid'],
'parent' => isset($oldquestion['parentid']) ? qa_db_single_select(qa_db_full_post_selectspec(null, $oldquestion['parentid'])) : null,
'title' => $oldquestion['title'],
'content' => $oldquestion['content'],
'format' => $oldquestion['format'],
'text' => qa_viewer_text($oldquestion['content'], $oldquestion['format']),
'tags' => $oldquestion['tags'],
'categoryid' => $oldquestion['categoryid'],
'name' => $oldquestion['name'],
);
if (isset($event)) {
qa_report_event($event, $userid, $handle, $cookieid, $eventparams + array(
'oldquestion' => $oldquestion,
));
}
if ($wasqueued && ($status == QA_POST_STATUS_NORMAL) && !$wasrequeued) {
require_once QA_INCLUDE_DIR . 'db/selects.php';
require_once QA_INCLUDE_DIR . 'util/string.php';
qa_report_event('q_post', $oldquestion['userid'], $oldquestion['handle'], $oldquestion['cookieid'], $eventparams + array(
'notify' => isset($oldquestion['notify']),
'email' => qa_email_validate($oldquestion['notify']) ? $oldquestion['notify'] : null,
'delayed' => $oldquestion['created'],
));
}
}
/**
* Sets the category (application level) of $oldquestion to $categoryid. Pass details of the user doing this in
* $userid, $handle and $cookieid, the database records for all answers to the question in $answers, the database
* records for all comments on the question or the question's answers in $commentsfollows ($commentsfollows can also
* contain records for follow-on questions which are ignored), and $closepost to match $oldquestion['closedbyid'] (if any).
* Set $silent to true to not mark the question as edited. Handles cached counts and event reports and will reset category
* IDs and paths for all answers and comments. See /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $oldquestion
* @param $categoryid
* @param $userid
* @param $handle
* @param $cookieid
* @param $answers
* @param $commentsfollows
* @param $closepost
* @param bool $silent
*/
function qa_question_set_category($oldquestion, $categoryid, $userid, $handle, $cookieid, $answers, $commentsfollows, $closepost = null, $silent = false)
{
$oldpath = qa_db_post_get_category_path($oldquestion['postid']);
qa_db_post_set_category($oldquestion['postid'], $categoryid, $silent ? null : $userid, $silent ? null : qa_remote_ip_address());
qa_db_posts_calc_category_path($oldquestion['postid']);
$newpath = qa_db_post_get_category_path($oldquestion['postid']);
qa_db_category_path_qcount_update($oldpath);
qa_db_category_path_qcount_update($newpath);
$otherpostids = array();
foreach ($answers as $answer) {
$otherpostids[] = $answer['postid'];
}
foreach ($commentsfollows as $comment) {
if ($comment['basetype'] == 'C')
$otherpostids[] = $comment['postid'];
}
if (isset($closepost) && $closepost['parentid'] == $oldquestion['postid'])
$otherpostids[] = $closepost['postid'];
qa_db_posts_set_category_path($otherpostids, $newpath);
$searchmodules = qa_load_modules_with('search', 'move_post');
foreach ($searchmodules as $searchmodule) {
$searchmodule->move_post($oldquestion['postid'], $categoryid);
foreach ($otherpostids as $otherpostid) {
$searchmodule->move_post($otherpostid, $categoryid);
}
}
qa_report_event('q_move', $userid, $handle, $cookieid, array(
'postid' => $oldquestion['postid'],
'oldquestion' => $oldquestion,
'categoryid' => $categoryid,
'oldcategoryid' => $oldquestion['categoryid'],
));
}
/**
* Permanently delete a question (application level) from the database. The question must not have any answers or
* comments on it. Pass details of the user doing this in $userid, $handle and $cookieid, and $closepost to match
* $oldquestion['closedbyid'] (if any). Handles unindexing, votes, points, cached counts and event reports.
* See /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $oldquestion
* @param $userid
* @param $handle
* @param $cookieid
* @param $oldclosepost
*/
function qa_question_delete($oldquestion, $userid, $handle, $cookieid, $oldclosepost = null)
{
require_once QA_INCLUDE_DIR . 'db/votes.php';
if ($oldquestion['type'] != 'Q_HIDDEN')
qa_fatal_error('Tried to delete a non-hidden question');
$params = array(
'postid' => $oldquestion['postid'],
'oldquestion' => $oldquestion,
);
qa_report_event('q_delete_before', $userid, $handle, $cookieid, $params);
if (isset($oldclosepost) && ($oldclosepost['parentid'] == $oldquestion['postid'])) {
qa_db_post_set_closed($oldquestion['postid'], null); // for foreign key constraint
qa_post_unindex($oldclosepost['postid']);
qa_db_post_delete($oldclosepost['postid']);
}
$useridvotes = qa_db_uservote_post_get($oldquestion['postid']);
$oldpath = qa_db_post_get_category_path($oldquestion['postid']);
qa_post_unindex($oldquestion['postid']);
qa_db_post_delete($oldquestion['postid']); // also deletes any related voteds due to foreign key cascading
qa_db_category_path_qcount_update($oldpath);
qa_db_points_update_ifuser($oldquestion['userid'], array('qposts', 'aselects', 'qvoteds', 'upvoteds', 'downvoteds'));
foreach ($useridvotes as $voteruserid => $vote) {
// could do this in one query like in qa_db_users_recalc_points() but this will do for now - unlikely to be many votes
qa_db_points_update_ifuser($voteruserid, ($vote > 0) ? 'qupvotes' : 'qdownvotes');
}
qa_report_event('q_delete', $userid, $handle, $cookieid, $params);
}
/**
* Set the author (application level) of $oldquestion to $userid and also pass $handle and $cookieid
* of user. Updates points and reports events as appropriate.
* @param $oldquestion
* @param $userid
* @param $handle
* @param $cookieid
*/
function qa_question_set_userid($oldquestion, $userid, $handle, $cookieid)
{
require_once QA_INCLUDE_DIR . 'db/votes.php';
$postid = $oldquestion['postid'];
qa_db_post_set_userid($postid, $userid);
qa_db_uservote_remove_own($postid);
qa_db_post_recount_votes($postid);
qa_db_points_update_ifuser($oldquestion['userid'], array('qposts', 'aselects', 'qvoteds', 'upvoteds', 'downvoteds'));
qa_db_points_update_ifuser($userid, array('qposts', 'aselects', 'qvoteds', 'qupvotes', 'qdownvotes', 'upvoteds', 'downvoteds'));
qa_report_event('q_claim', $userid, $handle, $cookieid, array(
'postid' => $postid,
'oldquestion' => $oldquestion,
));
}
/**
* Remove post $postid from our index and update appropriate word counts. Calls through to all search modules.
* @param $postid
*/
function qa_post_unindex($postid)
{
global $qa_post_indexing_suspended;
if ($qa_post_indexing_suspended > 0)
return;
// Send through to any search modules for unindexing
$searchmodules = qa_load_modules_with('search', 'unindex_post');
foreach ($searchmodules as $searchmodule) {
$searchmodule->unindex_post($postid);
}
}
/**
* Delete the cache for a question. Used after it or its answers/comments are hidden, to prevent them remaining visible to visitors/search engines.
* @param int $questionId Post ID to delete.
* @return bool
*/
function qa_question_uncache($questionId)
{
$cacheDriver = Q2A_Storage_CacheFactory::getCacheDriver();
return $cacheDriver->delete("question:$questionId");
}
/**
* Change the fields of an answer (application level) to $content, $format, $notify and $name, then reindex based on
* $text. For backwards compatibility if $name is null then the name will not be changed. Pass the answer's database
* record before changes in $oldanswer, the question's in $question, and details of the user doing this in $userid,
* $handle and $cookieid. Set $remoderate to true if the question should be requeued for moderation if modified. Set
* $silent to true to not mark the question as edited. Handle indexing and event reports as appropriate. See
* /qa-include/app/posts.php for a higher-level function which is easier to use.
* @param $oldanswer
* @param $content
* @param $format
* @param $text
* @param $notify
* @param $userid
* @param $handle
* @param $cookieid
* @param $question
* @param $name
* @param bool $remoderate
* @param bool $silent
*/
function qa_answer_set_content($oldanswer, $content, $format, $text, $notify, $userid, $handle, $cookieid, $question, $name = null, $remoderate = false, $silent = false)
{
qa_post_unindex($oldanswer['postid']);
$wasqueued = ($oldanswer['type'] == 'A_QUEUED');
$contentchanged = strcmp($oldanswer['content'], $content) || strcmp($oldanswer['format'], $format);
$setupdated = $contentchanged && (!$wasqueued) && !$silent;
qa_db_post_set_content($oldanswer['postid'], $oldanswer['title'], $content, $format, $oldanswer['tags'], $notify,
$setupdated ? $userid : null, $setupdated ? qa_remote_ip_address() : null, QA_UPDATE_CONTENT, $name);
if ($setupdated && $remoderate) {
require_once QA_INCLUDE_DIR . 'app/posts.php';
$commentsfollows = qa_post_get_answer_commentsfollows($oldanswer['postid']);
foreach ($commentsfollows as $comment) {
if ($comment['basetype'] == 'C' && $comment['parentid'] == $oldanswer['postid'])
qa_post_unindex($comment['postid']);
}
qa_db_post_set_type($oldanswer['postid'], 'A_QUEUED');
// Update caches
qa_private_disable_answer_recalc($question, $oldanswer['netvotes']);
qa_db_queuedcount_update(1);
qa_db_points_update_ifuser($oldanswer['userid'], array('aposts', 'aselecteds'));
if ($oldanswer['flagcount'] > 0) {
qa_db_flaggedcount_update(-$oldanswer['flagcount']);
}
} elseif ($oldanswer['type'] == 'A' && $question['type'] == 'Q') { // don't index if question or answer are hidden/queued
qa_post_index($oldanswer['postid'], 'A', $question['postid'], $oldanswer['parentid'], null, $content, $format, $text, null, $oldanswer['categoryid']);
}
qa_question_uncache($question['postid']);
$eventparams = array(
'postid' => $oldanswer['postid'],
'parentid' => $oldanswer['parentid'],
'parent' => $question,
'content' => $content,
'format' => $format,
'text' => $text,
'name' => $name,
'oldanswer' => $oldanswer,
);
qa_report_event('a_edit', $userid, $handle, $cookieid, $eventparams + array(
'silent' => $silent,
'oldcontent' => $oldanswer['content'],
'oldformat' => $oldanswer['format'],
'contentchanged' => $contentchanged,
));
if ($setupdated && $remoderate)
qa_report_event('a_requeue', $userid, $handle, $cookieid, $eventparams);
}
/**
* Set $oldanswer to hidden if $hidden is true, visible/normal if otherwise. All other parameters are as for qa_answer_set_status(...)
* @deprecated Replaced by qa_answer_set_status.
* @param $oldanswer
* @param $hidden
* @param $userid
* @param $handle
* @param $cookieid
* @param $question
* @param $commentsfollows
*/
function qa_answer_set_hidden($oldanswer, $hidden, $userid, $handle, $cookieid, $question, $commentsfollows)
{
qa_answer_set_status($oldanswer, $hidden ? QA_POST_STATUS_HIDDEN : QA_POST_STATUS_NORMAL, $userid, $handle, $cookieid, $question, $commentsfollows);
}
/**
* Set the status (application level) of $oldanswer to $status, one of the QA_POST_STATUS_* constants above. Pass
* details of the user doing this in $userid, $handle and $cookieid, the database record for the question in $question,
* and the database records for all comments on the answer in $commentsfollows ($commentsfollows can also contain other
* records which are ignored). Handles indexing, user points, cached counts and event reports. See /qa-include/app/posts.php for
* a higher-level function which is easier to use.
* @param $oldanswer
* @param $status
* @param $userid
* @param $handle
* @param $cookieid
* @param $question
* @param $commentsfollows
*/
function qa_answer_set_status($oldanswer, $status, $userid, $handle, $cookieid, $question, $commentsfollows)
{
require_once QA_INCLUDE_DIR . 'app/format.php';
$washidden = ($oldanswer['type'] == 'A_HIDDEN');
$wasqueued = ($oldanswer['type'] == 'A_QUEUED');
$wasrequeued = $wasqueued && isset($oldanswer['updated']);
qa_post_unindex($oldanswer['postid']);
foreach ($commentsfollows as $comment) {
if ($comment['basetype'] == 'C' && $comment['parentid'] == $oldanswer['postid'])
qa_post_unindex($comment['postid']);
}
$setupdated = false;
$event = null;
if ($status == QA_POST_STATUS_QUEUED) {
$newtype = 'A_QUEUED';
if (!$wasqueued)
$event = 'a_requeue'; // same event whether it was hidden or shown before
} elseif ($status == QA_POST_STATUS_HIDDEN) {
$newtype = 'A_HIDDEN';
if (!$washidden) {
$event = $wasqueued ? 'a_reject' : 'a_hide';
if (!$wasqueued)
$setupdated = true;
}
if ($question['selchildid'] == $oldanswer['postid']) { // remove selected answer
qa_question_set_selchildid(null, null, null, $question, null, array($oldanswer['postid'] => $oldanswer));
}
} elseif ($status == QA_POST_STATUS_NORMAL) {
$newtype = 'A';
if ($wasqueued)
$event = 'a_approve';
elseif ($washidden) {
$event = 'a_reshow';
$setupdated = true;
}
} else
qa_fatal_error('Unknown status in qa_answer_set_status(): ' . $status);
qa_db_post_set_type($oldanswer['postid'], $newtype, $setupdated ? $userid : null, $setupdated ? qa_remote_ip_address() : null, QA_UPDATE_VISIBLE);
if ($wasqueued && ($status == QA_POST_STATUS_NORMAL) && qa_opt('moderate_update_time')) { // ... for approval of a post, can set time to now instead
if ($wasrequeued)
qa_db_post_set_updated($oldanswer['postid'], null);
else
qa_db_post_set_created($oldanswer['postid'], null);
}
// Update caches
$difference = null;
if ($status === QA_POST_STATUS_NORMAL) {
if ($oldanswer['type'] !== 'A') {
$difference = 1;
}
} else {
if ($oldanswer['type'] === 'A') {
$difference = -1;
}
}
if ($difference === 1) {
qa_db_acount_update_for_q($question['postid'], 1);
if ((int)$question['acount'] === 0 && $question['closedbyid'] === null) {
qa_db_unaqcount_update(-1);
}
if ($oldanswer['netvotes'] > $question['amaxvote']) {
qa_db_amaxvote_update_for_q($question['postid'], $oldanswer['netvotes'], false);
if ((int)$question['amaxvote'] === 0 && $question['closedbyid'] === null) {
qa_db_unupaqcount_update(-1);
}
}
qa_db_hotness_update($question['postid']);
qa_db_acount_update(1);
} elseif ($difference === -1) {
qa_private_disable_answer_recalc($question, $oldanswer['netvotes']);
}
if ($wasqueued) {
if ($status !== QA_POST_STATUS_QUEUED) {
qa_db_queuedcount_update(-1);
}
} else {
if ($status === QA_POST_STATUS_QUEUED) {
qa_db_queuedcount_update(1);
}
}
qa_db_points_update_ifuser($oldanswer['userid'], array('aposts', 'aselecteds'));
if ($oldanswer['flagcount'] > 0 && isset($difference)) {
qa_db_flaggedcount_update($difference * $oldanswer['flagcount']);
}
if ($question['type'] == 'Q' && $status == QA_POST_STATUS_NORMAL) { // even if answer visible, don't index if question is hidden or queued
qa_post_index($oldanswer['postid'], 'A', $question['postid'], $oldanswer['parentid'], null, $oldanswer['content'],
$oldanswer['format'], qa_viewer_text($oldanswer['content'], $oldanswer['format']), null, $oldanswer['categoryid']);
foreach ($commentsfollows as $comment) {
if ($comment['type'] == 'C' && $comment['parentid'] == $oldanswer['postid']) { // and don't index hidden/queued comments
qa_post_index($comment['postid'], $comment['type'], $question['postid'], $comment['parentid'], null, $comment['content'],
$comment['format'], qa_viewer_text($comment['content'], $comment['format']), null, $comment['categoryid']);
}
}
}
qa_question_uncache($question['postid']); // remove hidden posts immediately
$eventparams = array(
'postid' => $oldanswer['postid'],
'parentid' => $oldanswer['parentid'],
'parent' => $question,
'content' => $oldanswer['content'],
'format' => $oldanswer['format'],
'text' => qa_viewer_text($oldanswer['content'], $oldanswer['format']),
'categoryid' => $oldanswer['categoryid'],
'name' => $oldanswer['name'],
);
if (isset($event)) {
qa_report_event($event, $userid, $handle, $cookieid, $eventparams + array(
'oldanswer' => $oldanswer,
));
}
if ($wasqueued && ($status == QA_POST_STATUS_NORMAL) && !$wasrequeued) {
require_once QA_INCLUDE_DIR . 'util/string.php';
qa_report_event('a_post', $oldanswer['userid'], $oldanswer['handle'], $oldanswer['cookieid'], $eventparams + array(
'notify' => isset($oldanswer['notify']),
'email' => qa_email_validate($oldanswer['notify']) ? $oldanswer['notify'] : null,
'delayed' => $oldanswer['created'],
));
}
}
/**
* Recalc answer-related stats for question after hiding, moderating or converting to comment an answer.
* This function is not expected to be used by plugins.
*
* @param array $question Parent question
* @param int $netvotes Netvotes of the answer
*/
function qa_private_disable_answer_recalc($question, $netvotes)
{
qa_db_hotness_update($question['postid']);
qa_db_acount_update(-1);
qa_db_acount_update_for_q($question['postid'], -1);
$isOnlyAnswer = (int)$question['acount'] === 1;
if ($isOnlyAnswer && $question['closedbyid'] === null) {
qa_db_unaqcount_update(1);
}
if ($question['amaxvote'] > 0 && $question['amaxvote'] == $netvotes) {
if ($isOnlyAnswer) {
qa_db_amaxvote_update_for_q($question['postid'], 0, false);
if ($question['closedbyid'] === null) {
qa_db_unupaqcount_update(1);
}
} else {
qa_db_amaxvote_update_for_q($question['postid']);
if (qa_db_affected_rows() > 0 && $question['closedbyid'] === null) {
$tempQuestion = qa_db_single_select(qa_db_posts_selectspec(null, array($question['postid'])))[$question['postid']];
if ((int)$tempQuestion['amaxvote'] === 0) {
qa_db_unupaqcount_update(1);
}
}
}
}
}
/**
* Recalc minimal question-related stats after hiding, moderating, opening or closing a question.
* This function is not expected to be used by plugins.
*
* @param array $question
* @param int $difference
*/
function qa_private_question_basic_cache_recalc($question, $difference)
{
if ((int)$question['acount'] === 0) {
qa_db_unaqcount_update($difference);
}
if ((int)$question['amaxvote'] === 0) {
qa_db_unupaqcount_update($difference);
}
if ($question['selchildid'] === null) {
qa_db_unselqcount_update($difference);
}
}
/**
* Recalc general question-related stats after hiding, moderating, and showing a question.
* This function is not expected to be used by plugins.
*
* @param array $oldquestion
* @param int $difference
*/
function qa_private_question_cache_recalc($oldquestion, $difference)