function qa_db_hotness_update($firstpostid, $lastpostid = null, $viewincrement = false)
{
if (qa_should_update_counts()) {
if (!isset($lastpostid)) {
$lastpostid = $firstpostid;
}
$query = 'UPDATE ^posts AS x, (SELECT parents.postid, parents.created AS qcreated, COALESCE(MAX(children.created), parents.created) as acreated, COUNT(children.postid) AS acount, parents.netvotes, parents.views FROM ^posts AS parents LEFT JOIN ^posts AS children ON parents.postid=children.parentid AND children.type=\'A\' WHERE parents.postid>=# AND parents.postid<=# AND parents.type=\'Q\' GROUP BY postid) AS a SET x.hotness=(' . '((TO_DAYS(a.qcreated)-734138)*86400.0+TIME_TO_SEC(a.qcreated))*# + ' . '((TO_DAYS(a.acreated)-734138)*86400.0+TIME_TO_SEC(a.acreated))*# + ' . '(a.acount+0.0)*# + ' . '(a.netvotes+0.0)*# + ' . '(a.views+0.0+#)*#' . ')' . ($viewincrement ? ', x.views=x.views+1, x.lastviewip=INET_ATON($)' : '') . ' WHERE x.postid=a.postid';
// Additional multiples based on empirical analysis of activity on Q2A meta site to give approx equal influence for all factors
$arguments = array($firstpostid, $lastpostid, qa_opt('hot_weight_q_age'), qa_opt('hot_weight_a_age'), qa_opt('hot_weight_answers') * 160000, qa_opt('hot_weight_votes') * 160000, $viewincrement ? 1 : 0, qa_opt('hot_weight_views') * 4000);
if ($viewincrement) {
$arguments[] = qa_remote_ip_address();
}
qa_db_query_raw(qa_db_apply_sub($query, $arguments));
}
}
public function process_request($request)
{
$requestparts = explode('/', qa_request());
$slugs = array_slice($requestparts, 1);
$countslugs = count($slugs);
$userid = qa_get_logged_in_userid();
$start = qa_get_start();
$count = qa_opt_if_loaded('page_size_activity');
$totalcount = qa_opt('cache_qcount');
$qspec = qa_db_posts_basic_selectspec($userid, false);
qa_db_add_selectspec_opost($qspec, 'ra', false, false);
qa_db_add_selectspec_ousers($qspec, 'rau', 'raup');
$qspec['source'] .= " JOIN (SELECT questionid, childid FROM ^homepage ORDER BY ^homepage.updated DESC) AS rcaq ON ^posts.postid=rcaq.questionid" . " LEFT JOIN ^posts AS ra ON childid=ra.postid" . (QA_FINAL_EXTERNAL_USERS ? "" : " LEFT JOIN ^users AS rau ON ra.userid=rau.userid") . " LEFT JOIN ^userpoints AS raup ON ra.userid=raup.userid LIMIT #,#";
array_push($qspec['columns'], 'childid');
array_push($qspec['arguments'], $start, $count);
$qspec['sortdesc'] = 'otime';
$query = 'SELECT ';
foreach ($qspec['columns'] as $columnas => $columnfrom) {
$query .= $columnfrom . (is_int($columnas) ? '' : ' AS ' . $columnas) . ', ';
}
$query = qa_db_apply_sub(substr($query, 0, -2) . (strlen(@$qspec['source']) ? ' FROM ' . $qspec['source'] : ''), @$qspec['arguments']);
$results = qa_db_read_all_assoc(qa_db_query_raw($query));
qa_db_post_select($results, $qspec);
list($categories, $categoryid) = qa_db_select_with_pending(qa_db_category_nav_selectspec($slugs, false, false, true), $countslugs ? qa_db_slugs_to_category_id_selectspec($slugs) : null);
$questions = qa_any_sort_and_dedupe($results);
// $questions=qa_any_sort_and_dedupe(array_merge($recentquestions,$recentanswers));
$pagesize = qa_opt('page_size_home');
if ($countslugs) {
if (!isset($categoryid)) {
return include QA_INCLUDE_DIR . 'qa-page-not-found.php';
}
$categorytitlehtml = qa_html($categories[$categoryid]['title']);
$sometitle = qa_lang_html_sub('main/recent_qs_as_in_x', $categorytitlehtml);
$nonetitle = qa_lang_html_sub('main/no_questions_in_x', $categorytitlehtml);
} else {
$sometitle = qa_lang_html('main/recent_qs_as_title');
$nonetitle = qa_lang_html('main/no_questions_found');
}
require_once QA_INCLUDE_DIR . 'qa-app-q-list.php';
$qa_content = qa_q_list_page_content($questions, $pagesize, $start, $totalcount, $sometitle, $nonetitle, $categories, $categoryid, true, qa_opt('eql_homepage_url'), qa_opt('feed_for_qa') ? qa_opt('eql_homepage_url') : null, count($questions) < $pagesize ? qa_html_suggest_ask($categoryid) : qa_html_suggest_qs_tags(qa_using_tags(), qa_category_path_request($categories, $categoryid)), null, null);
return $qa_content;
}
function qa_db_limits_get($userid, $ip, $action)
{
$selects = array();
$arguments = array();
if (isset($userid)) {
$selects[] = "(SELECT 'user' AS limitkey, period, count FROM ^userlimits WHERE userid=\$ AND action=\$)";
$arguments[] = $userid;
$arguments[] = $action;
}
if (isset($ip)) {
$selects[] = "(SELECT 'ip' AS limitkey, period, count FROM ^iplimits WHERE ip=COALESCE(INET_ATON(\$), 0) AND action=\$)";
$arguments[] = $ip;
$arguments[] = $action;
}
if (count($selects)) {
$query = qa_db_apply_sub(implode(' UNION ALL ', $selects), $arguments);
return qa_db_read_all_assoc(qa_db_query_raw($query), 'limitkey');
} else {
return array();
}
}
function qa_db_upgrade_query($query)
{
qa_db_upgrade_progress('Running query: ' . qa_db_apply_sub($query, array()) . ' ...');
qa_db_query_sub($query);
}
function qa_db_category_delete($categoryid)
{
qa_db_ordered_delete('categories', 'categoryid', $categoryid, qa_db_apply_sub('parentid<=>#', array(qa_db_category_get_parent($categoryid))));
}
/**
* Return the data specified by each element of $selectspecs, where the keys of the
* returned array match the keys of the supplied $selectspecs array. See long comment above.
*/
function qa_db_multi_select($selectspecs)
{
if (!count($selectspecs)) {
return array();
}
// Perform simple queries if the database is local or there are only 0 or 1 selectspecs
if (QA_OPTIMIZE_LOCAL_DB || count($selectspecs) <= 1) {
$outresults = array();
foreach ($selectspecs as $selectkey => $selectspec) {
$outresults[$selectkey] = qa_db_single_select($selectspec);
}
return $outresults;
}
// Otherwise, parse columns for each spec to deal with columns without an 'AS' specification
foreach ($selectspecs as $selectkey => $selectspec) {
$selectspecs[$selectkey]['outcolumns'] = array();
$selectspecs[$selectkey]['autocolumn'] = array();
foreach ($selectspec['columns'] as $columnas => $columnfrom) {
if (is_int($columnas)) {
$periodpos = strpos($columnfrom, '.');
$columnas = is_numeric($periodpos) ? substr($columnfrom, $periodpos + 1) : $columnfrom;
$selectspecs[$selectkey]['autocolumn'][$columnas] = true;
}
if (isset($selectspecs[$selectkey]['outcolumns'][$columnas])) {
qa_fatal_error('Duplicate column name in qa_db_multi_select()');
}
$selectspecs[$selectkey]['outcolumns'][$columnas] = $columnfrom;
}
if (isset($selectspec['arraykey'])) {
if (!isset($selectspecs[$selectkey]['outcolumns'][$selectspec['arraykey']])) {
qa_fatal_error('Used arraykey not in columns in qa_db_multi_select()');
}
}
if (isset($selectspec['arrayvalue'])) {
if (!isset($selectspecs[$selectkey]['outcolumns'][$selectspec['arrayvalue']])) {
qa_fatal_error('Used arrayvalue not in columns in qa_db_multi_select()');
}
}
}
// Work out the full list of columns used
$outcolumns = array();
foreach ($selectspecs as $selectspec) {
$outcolumns = array_unique(array_merge($outcolumns, array_keys($selectspec['outcolumns'])));
}
// Build the query based on this full list
$query = '';
foreach ($selectspecs as $selectkey => $selectspec) {
$subquery = "(SELECT '" . qa_db_escape_string($selectkey) . "'" . (empty($query) ? ' AS selectkey' : '');
foreach ($outcolumns as $columnas) {
$subquery .= ', ' . (isset($selectspec['outcolumns'][$columnas]) ? $selectspec['outcolumns'][$columnas] : 'NULL');
if (empty($query) && !isset($selectspec['autocolumn'][$columnas])) {
$subquery .= ' AS ' . $columnas;
}
}
if (strlen(@$selectspec['source'])) {
$subquery .= ' FROM ' . $selectspec['source'];
}
$subquery .= ')';
if (strlen($query)) {
$query .= ' UNION ALL ';
}
$query .= qa_db_apply_sub($subquery, @$selectspec['arguments']);
}
// Perform query and extract results
$rawresults = qa_db_read_all_assoc(qa_db_query_raw($query));
$outresults = array();
foreach ($selectspecs as $selectkey => $selectspec) {
$outresults[$selectkey] = array();
}
foreach ($rawresults as $rawresult) {
$selectkey = $rawresult['selectkey'];
$selectspec = $selectspecs[$selectkey];
$keepresult = array();
foreach ($selectspec['outcolumns'] as $columnas => $columnfrom) {
$keepresult[$columnas] = $rawresult[$columnas];
}
if (isset($selectspec['arraykey'])) {
$outresults[$selectkey][$keepresult[$selectspec['arraykey']]] = $keepresult;
} else {
$outresults[$selectkey][] = $keepresult;
}
}
// Post-processing to apply various stuff include sorting request, since we can't rely on ORDER BY due to UNION
foreach ($selectspecs as $selectkey => $selectspec) {
qa_db_post_select($outresults[$selectkey], $selectspec);
}
// Return results
return $outresults;
}
function qa_db_points_update_ifuser($userid, $columns)
{
if (qa_to_override(__FUNCTION__)) {
$args = func_get_args();
return qa_call_override(__FUNCTION__, $args);
}
if (qa_should_update_counts() && isset($userid)) {
require_once QA_INCLUDE_DIR . 'app/options.php';
require_once QA_INCLUDE_DIR . 'app/cookies.php';
$calculations = qa_db_points_calculations();
if ($columns === true) {
$keycolumns = $calculations;
} elseif (empty($columns)) {
$keycolumns = array();
} elseif (is_array($columns)) {
$keycolumns = array_flip($columns);
} else {
$keycolumns = array($columns => true);
}
$insertfields = 'userid, ';
$insertvalues = '$, ';
$insertpoints = (int) qa_opt('points_base');
$updates = '';
$updatepoints = $insertpoints;
foreach ($calculations as $field => $calculation) {
$multiple = (int) $calculation['multiple'];
if (isset($keycolumns[$field])) {
$insertfields .= $field . ', ';
$insertvalues .= '@_' . $field . ':=(SELECT ' . $calculation['formula'] . '), ';
$updates .= $field . '=@_' . $field . ', ';
$insertpoints .= '+(' . (int) $multiple . '*@_' . $field . ')';
}
$updatepoints .= '+(' . $multiple . '*' . (isset($keycolumns[$field]) ? '@_' : '') . $field . ')';
}
$query = 'INSERT INTO ^userpoints (' . $insertfields . 'points) VALUES (' . $insertvalues . $insertpoints . ') ' . 'ON DUPLICATE KEY UPDATE ' . $updates . 'points=' . $updatepoints . '+bonus';
qa_db_query_raw(str_replace('~', "='" . qa_db_escape_string($userid) . "'", qa_db_apply_sub($query, array($userid))));
// build like this so that a #, $ or ^ character in the $userid (if external integration) isn't substituted
if (qa_db_insert_on_duplicate_inserted()) {
qa_db_userpointscount_update();
}
}
}
