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Zentag update the query of media
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get the bottom images with least tags and then get the one that least recent
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@redhatkaty
redhatkaty committed Jun 12, 2014
1 parent a65c00e commit eedb32f
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Showing 2 changed files with 137 additions and 2 deletions.
137 changes: 136 additions & 1 deletion www/protected/modules/games/components/MGGame.php
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Original file line number Diff line number Diff line change
Expand Up @@ -194,14 +194,149 @@ protected function getMedias($collections, $game, &$game_model, $num_medias = 1,
return $this->getMedias($collections, $game, $game_model, $num_medias, true, $accept_types);
}
}
/* June 10
* by Xinqi Li
* Set threshold to query media for Zentag*/
protected function getMediasforZentag($collections, $game, &$game_model, $num_medias = 1, $second_attempt = false, $accept_types = array("image"))
{

$used_medias = $this->getUsedMedias($game, $game_model);
$num_media_threshold = 300;
//get media that have more tags than threshold from all active collection
$selectedmedias = Yii::app()->db->createCommand()
// ->select('i.id,count(case when tu.tag_id is not null then 1 end) as counted')
->select('i.id')
->from('{{media}} i')
->leftJoin('{{tag_use}} tu', 'i.id=tu.media_id')
->group('i.id')
->order('count(case when tu.tag_id is not null then 1 end) ASC')
->limit($num_media_threshold)
//return as an array
->queryColumn();
//same as the original getmedia() except adding constrain in $where
//then choose the least recent one from the $num_media_threshold of media
if (Yii::app()->user->isGuest) {

$where = array('and', 'i.locked=1','(inst.status=1 or i.institution_id is null)', array('in', 'i.id', $selectedmedias),array('in', 'is2i.collection_id', $collections), array('not in', 'i.id', $used_medias));
if (is_array($accept_types) && count($accept_types) > 0) {
$where_add = '(';
$num_types = count($accept_types);
$i = 0;
foreach ($accept_types as $mime_type) {
if ($i < $num_types && $i > 0) {
$where_add .= " or ";
}
$where_add .= "LEFT( i.mime_type, 5) = '$mime_type'";
$i++;
}
$where_add .= ')';
$where[] = $where_add;
}
$medias = Yii::app()->db->createCommand()
->selectDistinct('i.id, i.name, i.mime_type, is.licence_id, (i.last_access IS NULL OR i.last_access <= now()-is.last_access_interval) as last_access_ok,inst.url,inst.token')
->from('{{collection_to_media}} is2i')
->join('{{media}} i', 'i.id=is2i.media_id')
->join('{{institution}} inst', 'i.institution_id=inst.id')
->join('{{collection}} is', 'is.id=is2i.collection_id')
->where($where)
->order('i.last_access ASC')
->limit(1)
->queryAll();
} else {
// if a player is logged in the medias should be weight by interest
$where = array('and', '(usm.user_id IS NULL OR usm.user_id=:userID)', 'i.locked=1','(inst.status=1 or i.institution_id is null)', array('in', 'i.id', $selectedmedias), array('in', 'is2i.collection_id', $collections), array('not in', 'i.id', $used_medias));

if (is_array($accept_types) && count($accept_types) > 0) {
$where_add = '(';
$num_types = count($accept_types);
$i = 0;
foreach ($accept_types as $mime_type) {
if ($i < $num_types && $i > 0) {
$where_add .= " or ";
}
$where_add .= "LEFT( i.mime_type, 5) = '$mime_type'";
$i++;
}
$where_add .= ')';
$where[] = $where_add;
}


$medias = Yii::app()->db->createCommand()
->selectDistinct('i.id, i.name, i.mime_type, is.licence_id, MAX(usm.interest) as max_interest, (i.last_access IS NULL OR i.last_access <= now()-is.last_access_interval) as last_access_ok,inst.url,inst.token')
->from('{{collection_to_media}} is2i')
->join('{{media}} i', 'i.id=is2i.media_id')
->join('{{institution}} inst', 'i.institution_id=inst.id')
->join('{{collection}} is', 'is.id=is2i.collection_id')
->leftJoin('{{collection_to_subject_matter}} is2sm', 'is2sm.collection_id=is2i.collection_id')
->leftJoin('{{user_to_subject_matter}} usm', 'usm.subject_matter_id=is2sm.subject_matter_id')
->where($where, array(':userID' => Yii::app()->user->id))
// ->having('i.id in :sms', array(':sms'=>$selectedmedias))
->group('i.id, i.name, is.licence_id')
->order('max_interest DESC, i.last_access ASC')
->limit(1)
->queryAll();
}

if ($medias && count($medias) >= $num_medias) {
$arr_media = array();
$blocked_by_last_access = array();

foreach ($medias as $media) {
if (!array_key_exists($media["id"], $blocked_by_last_access)) {
if (!array_key_exists($media["id"], $arr_media)) {
$arr_media[$media["id"]] = array(
"id" => $media["id"],
"name" => $media["name"],
"mime_type" => $media["mime_type"],
"licences" => array((int)$media["licence_id"]),
"institutionUrl" => $media["url"],
"institutionToken" => $media["token"],
);
} else {
$arr_media[$media["id"]]["licences"][] = (int)$media["licence_id"];
}

if (!$media["last_access_ok"]) {
unset($arr_media[$media["id"]]);
$blocked_by_last_access[$media["id"]] = true;
}else if(!MGHelper::canUseMediaFromIP($media["id"])){
unset($arr_media[$media["id"]]);
$blocked_by_last_access[$media["id"]] = true;
}
}
}

if (count($arr_media) >= $num_medias) {
foreach ($arr_media as $key => $media) { // we want to hide the default licence if the media has got another licence
if (count($arr_media[$key]["licences"]) > 1) {
$arr_media[$key]["licences"] = array_diff($arr_media[$key]["licences"], array(1));
}
}
return array_values($arr_media);
} else if ($second_attempt) {
return null;
} else {
$this->resetUsedMedias($game, $game_model);
return $this->getMedias($collections, $game, $game_model, $num_medias, true, $accept_types);
}
} else if ($second_attempt) {
return null;
} else {
// no medias available could it be that the user has already seen all in this session?
// reset session medias and try again
$this->resetUsedMedias($game, $game_model);
return $this->getMedias($collections, $game, $game_model, $num_medias, true, $accept_types);
}
}
/* June 8
* by Xinqi Li
* Set threshold to query media for StupidRobot, and in the future for PyramidTags*/
protected function getMediasWithThreshold($threshold, $collections, $game, &$game_model, $num_medias = 1, $second_attempt = false, $accept_types = array("image"))
{

$used_medias = $this->getUsedMedias($game, $game_model);
$num_media_threshold = 300;
$num_media_threshold = 20;
$limit = $num_medias * 5;
$limit = ($limit < 50) ? 50 : $limit;
//get media that have more tags than threshold from all active collection
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2 changes: 1 addition & 1 deletion www/protected/modules/games/components/ZenTagGame.php
View file
Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,7 @@ public function getTurn(&$game, &$game_model, $tags = array())
$used_medias = array();

// get a one medias that is active for the game
$medias = $this->getMedias($collections, $game, $game_model);
$medias = $this->getMediasforZentag($collections, $game, $game_model);


if ($medias && count($medias) > 0) {
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