CC-84: Smart Playlists
- validation on server side - getting list of files from db which satisfies criteria
This commit is contained in:
James
parent
470fef80ba
commit
f0134ba3fa
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@ -446,13 +446,15 @@ class PlaylistController extends Zend_Controller_Action
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$request = $this->getRequest();
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$params = $request->getPost();
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Application_Model_Playlist::saveSmartPlaylistCriteria($param['data']);
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}
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public function smartPlaylistGenerateAction()
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{
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$request = $this->getRequest();
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$params = $request->getPost();
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Application_Model_Playlist::generateSmartPlaylist($params['data']);
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$result = Application_Model_Playlist::generateSmartPlaylist($params['data']);
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die(json_encode($result));
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}
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}
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@ -45,6 +45,47 @@ class Application_Model_Playlist {
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"dc:description" => "Description",
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"dcterms:extent" => "Length"
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);
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private static $modifier2CriteriaMap = array(
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"contains" => Criteria::LIKE,
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"does not contain" => Criteria::NOT_LIKE,
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"is" => Criteria::EQUAL,
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"is not" => Criteria::NOT_EQUAL,
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"starts with" => Criteria::LIKE,
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"ends with" => Criteria::LIKE,
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"is greater than" => Criteria::GREATER_THAN,
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"is less than" => Criteria::LESS_THAN,
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"is in the range" => Criteria::CUSTOM);
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private static $criteria2PeerMap = array(
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0 => "Select criteria",
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"album_title" => CcFilesPeer::ALBUM_TITLE,
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"artist_name" => CcFilesPeer::ARTIST_NAME,
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"bit_rate" => CcFilesPeer::BIT_RATE,
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"bpm" => CcFilesPeer::BPM,
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"comments" => CcFilesPeer::COMMENTS,
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"composer" => CcFilesPeer::COMPOSER,
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"conductor" => CcFilesPeer::CONDUCTOR,
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"utime" => CcFilesPeer::UTIME,
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"mtime" => CcFilesPeer::MTIME,
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"disc_number" => CcFilesPeer::DISC_NUMBER,
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"genre" => CcFilesPeer::GENRE,
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"isrc_number" => CcFilesPeer::ISRC_NUMBER,
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"label" => CcFilesPeer::LABEL,
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"language" => CcFilesPeer::LANGUAGE,
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"length" => CcFilesPeer::LENGTH,
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"lyricist" => CcFilesPeer::LYRICIST,
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"mood" => CcFilesPeer::MOOD,
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"name" => CcFilesPeer::NAME,
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"orchestra" => CcFilesPeer::ORCHESTRA,
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"radio_station_name" => CcFilesPeer::RADIO_STATION_NAME,
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"rating" => CcFilesPeer::RATING,
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"sample_rate" => CcFilesPeer::SAMPLE_RATE,
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"soundcloud_id" => CcFilesPeer::SOUNDCLOUD_ID,
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"track_title" => CcFilesPeer::TRACK_TITLE,
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"track_num" => CcFilesPeer::TRACK_NUMBER,
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"year" => CcFilesPeer::YEAR
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);
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public function __construct($id=null, $con=null)
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@ -816,6 +857,56 @@ class Application_Model_Playlist {
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public static function saveSmartPlaylistCriteria($p_criteria)
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{
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$data = self::organizeSmartPlyalistCriteria($p_criteria);
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// things we need to check
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// 1. limit value shouldn't be empty and has upperbound of 24 hrs
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// 2. sp_criteria or sp_criteria_modifier shouldn't be 0
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$multiplier = 1;
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$result = 0;
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$errors = array();
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if ($data['etc']['sp_limit_options'] == 'hours') {
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$multiplier = 60;
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}
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if ($data['etc']['sp_limit_options'] == 'hours' || $data['etc']['sp_limit_options'] == 'mins') {
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if ( $data['etc']['sp_limit_value'] == "" || intval($data['etc']['sp_limit_value']) == 0) {
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$error[] = "Litmit cannot be empty or 0";
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} else {
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$mins = $data['etc']['sp_limit_value'] * $multiplier;
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if ($mins > 14400) {
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$error[] = "Litmit cannot be more than 24 hrs";
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}
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}
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$errors[] = array("element"=>"sp_limit_value", "msg"=>$error);
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}
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// format validation
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foreach ($data['criteria'] as $key=>$d){
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$error = array();
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// check for not selected select box
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if ($d['sp_criteria'] == "0" || $d['sp_criteria_modifier'] == "0"){
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$error[] = "You must select Criteria and Modifier";
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} else {
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// we need to take care 'length' specially since the column type is varchar
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if ($d['sp_criteria'] == 'length') {
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if (!preg_match("/(\d{2}):(\d{2}):(\d{2})/", $d['sp_criteria_value'])) {
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$error[] = "'Length' should be in '00:00:00' format";
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}
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}else{
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if (CcFilesPeer::getTableMap()->getColumn(self::$criteria2PeerMap[$d['sp_criteria']])->getType() == PropelColumnTypes::TIMESTAMP) {
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if (!preg_match("/(\d{4})-(\d{2})-(\d{2})/", $d['sp_criteria_value'])) {
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$error[] = "The value should be in timestamp format(eg. 0000-00-00 or 00-00-00 00:00:00";
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}
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}
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}
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}
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if ($d['sp_criteria_value'] == "") {
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$error[] = "Value cannot be empty";
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}
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$errors[] = array("element"=>"sp_criteria_".$key, "msg"=>$error);
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}
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$result = count($errors) > 0 ? 1 :0;
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return array("result"=>$result, "errors"=>$errors);
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}
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/**
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@ -834,23 +925,59 @@ class Application_Model_Playlist {
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*/
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public static function generateSmartPlaylist($p_criteria)
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{
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self::saveSmartPlaylistCriteria($p_criteria);
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$result = self::saveSmartPlaylistCriteria($p_criteria);
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if ($result['result'] != 0) {
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return $result;
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}else{
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Logging::log($p_criteria);
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$data = self::organizeSmartPlyalistCriteria($p_criteria);
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$list = self::getListofFilesMeetCriteria($data['criteria']);
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}
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}
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public static function organizeSmartPlyalistCriteria($p_criteria)
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// this function return list of propel object
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private static function getListofFilesMeetCriteria($p_data)
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{
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$fieldNames = array('sp_criteria', 'sp_criteria_modifier', 'sp_criteria_value');
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$c = new Criteria();
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foreach ($p_data as $criteria) {
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$spCriteria = self::$criteria2PeerMap[$criteria['sp_criteria']];
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$spCriteriaModifier = $criteria['sp_criteria_modifier'];
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$spCriteriaValue = $criteria['sp_criteria_value'];
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if ($spCriteriaModifier == "starts with") {
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$spCriteriaValue = "$spCriteriaValue%";
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} else if ($spCriteriaModifier == "ends with") {
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$spCriteriaValue = "%$spCriteriaValue";
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} else if ($spCriteriaModifier == "is in the range") {
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$spCriteriaValue = "$spCriteria > '$spCriteriaValue' AND $spCriteria < '$criteria[sp_criteria_extra]'";
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}
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$spCriteriaModifier = self::$modifier2CriteriaMap[$spCriteriaModifier];
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$c->add($spCriteria, $spCriteriaValue, $spCriteriaModifier);
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}
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try{
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$out = CcFilesPeer::doSelect($c);
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}catch(Exception $e){
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//Logging::log($e);
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}
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}
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private static function organizeSmartPlyalistCriteria($p_criteria)
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{
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$fieldNames = array('sp_criteria', 'sp_criteria_modifier', 'sp_criteria_value', 'sp_criteria_extra');
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$output = array();
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foreach ($p_criteria as $ele) {
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$index = strrpos($ele['name'], '_');
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$fieldName = substr($ele['name'], 0, $index);
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if (in_array($fieldName, $fieldNames)) {
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$rowNum = intval(substr($ele['name'], $index+1));
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$output['criteria'][$rowNum][$fieldName] = $ele['value'];
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$output['criteria'][$rowNum][$fieldName] = trim($ele['value']);
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}else{
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$output['etc'][$ele['name']] = $ele['value'];
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}
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}
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return $output;
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}
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// smart playlist functions end
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