CC-5450 : Refactor Media Management (Classes/DB) in Airtime
working on new query for prev/current/next
This commit is contained in:
Naomi
parent
1516f916eb
commit
1f0d44de02
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@ -1,142 +0,0 @@
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<?php
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class Application_Model_Dashboard
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{
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public static function GetPreviousItem($p_timeNow)
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{
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//get previous show and previous item in the schedule table.
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//Compare the two and if the last show was recorded and started
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//after the last item in the schedule table, then return the show's
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//name. Else return the last item from the schedule.
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$showInstance = Application_Model_ShowInstance::GetLastShowInstance($p_timeNow);
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$row = Application_Model_Schedule::GetLastScheduleItem($p_timeNow);
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if (is_null($showInstance)) {
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if (count($row) == 0) {
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return null;
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} else {
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return array("name"=>$row[0]["artist_name"]." - ".$row[0]["track_title"],
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"starts"=>$row[0]["starts"],
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"ends"=>$row[0]["ends"]);
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}
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} else {
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if (count($row) == 0) {
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if ($showInstance->isRecorded()) {
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//last item is a show instance
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return array("name"=>$showInstance->getName(),
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"starts"=>$showInstance->getShowInstanceStart(),
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"ends"=>$showInstance->getShowInstanceEnd());
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} else {
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return null;
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}
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} else {
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//return the one that started later.
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if ($row[0]["starts"] >= $showInstance->getShowInstanceStart()) {
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return array("name"=>$row[0]["artist_name"]." - ".$row[0]["track_title"],
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"starts"=>$row[0]["starts"],
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"ends"=>$row[0]["ends"]);
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} else {
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return array("name"=>$showInstance->getName(),
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"starts"=>$showInstance->getShowInstanceStart(),
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"ends"=>$showInstance->getShowInstanceEnd());
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}
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}
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}
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}
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public static function GetCurrentItem($p_timeNow)
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{
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//get previous show and previous item in the schedule table.
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//Compare the two and if the last show was recorded and started
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//after the last item in the schedule table, then return the show's
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//name. Else return the last item from the schedule.
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$row = array();
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$showInstance = Application_Model_ShowInstance::GetCurrentShowInstance($p_timeNow);
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if (!is_null($showInstance)) {
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$instanceId = $showInstance->getShowInstanceId();
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$row = Application_Model_Schedule::GetCurrentScheduleItem($p_timeNow, $instanceId);
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}
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if (is_null($showInstance)) {
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if (count($row) == 0) {
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return null;
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} else {
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/* Should never reach here, but lets return the track information
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* just in case we allow tracks to be scheduled without a show
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* in the future.
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*/
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return array("name"=>$row[0]["artist_name"]." - ".$row[0]["track_title"],
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"starts"=>$row[0]["starts"],
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"ends"=>$row[0]["ends"]);
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}
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} else {
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if (count($row) == 0) {
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//last item is a show instance
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if ($showInstance->isRecorded()) {
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return array("name"=>$showInstance->getName(),
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"starts"=>$showInstance->getShowInstanceStart(),
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"ends"=>$showInstance->getShowInstanceEnd(),
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"media_item_played"=>false,
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"record"=>true);
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} else {
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return null;
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}
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} else {
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return array("name"=>$row[0]["artist_name"]." - ".$row[0]["track_title"],
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"starts"=>$row[0]["starts"],
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"ends"=>$row[0]["ends"],
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"media_item_played"=>$row[0]["media_item_played"],
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"record"=>0);
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}
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}
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}
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public static function GetNextItem($p_timeNow)
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{
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//get previous show and previous item in the schedule table.
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//Compare the two and if the last show was recorded and started
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//after the last item in the schedule table, then return the show's
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//name. Else return the last item from the schedule.
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$showInstance = Application_Model_ShowInstance::GetNextShowInstance($p_timeNow);
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$row = Application_Model_Schedule::GetNextScheduleItem($p_timeNow);
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if (is_null($showInstance)) {
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if (count($row) == 0) {
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return null;
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} else {
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return array("name"=>$row[0]["artist_name"]." - ".$row[0]["track_title"],
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"starts"=>$row[0]["starts"],
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"ends"=>$row[0]["ends"]);
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}
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} else {
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if (count($row) == 0) {
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if ($showInstance->isRecorded()) {
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//last item is a show instance
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return array("name"=>$showInstance->getName(),
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"starts"=>$showInstance->getShowInstanceStart(),
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"ends"=>$showInstance->getShowInstanceEnd());
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} else {
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return null;
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}
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} else {
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//return the one that starts sooner.
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if ($row[0]["starts"] <= $showInstance->getShowInstanceStart()) {
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return array("name"=>$row[0]["artist_name"]." - ".$row[0]["track_title"],
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"starts"=>$row[0]["starts"],
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"ends"=>$row[0]["ends"]);
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} else {
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return array("name"=>$showInstance->getName(),
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"starts"=>$showInstance->getShowInstanceStart(),
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"ends"=>$showInstance->getShowInstanceEnd());
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}
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}
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}
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}
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}
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@ -213,51 +213,6 @@ SQL;
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return $row;
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}
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public static function GetCurrentScheduleItem($p_timeNow, $p_instanceId)
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{
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/* Note that usually there will be one result returned. In some
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* rare cases two songs are returned. This happens when a track
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* that was overbooked from a previous show appears as if it
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* hasnt ended yet (track end time hasn't been reached yet). For
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* this reason, we need to get the track that starts later, as
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* this is the *real* track that is currently playing. So this
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* is why we are ordering by track start time. */
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$sql = "SELECT *"
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." FROM cc_schedule st"
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." LEFT JOIN cc_files ft"
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." ON st.file_id = ft.id"
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." WHERE st.starts <= TIMESTAMP :timeNow1"
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." AND st.instance_id = :instanceId"
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." AND st.ends > TIMESTAMP :timeNow2"
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." ORDER BY st.starts DESC"
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." LIMIT 1";
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$row = Application_Common_Database::prepareAndExecute($sql, array(':timeNow1'=>$p_timeNow, ':instanceId'=>$p_instanceId, ':timeNow2'=>$p_timeNow,));
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return $row;
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}
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public static function GetNextScheduleItem($p_timeNow)
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{
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$sql = "SELECT"
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." ft.artist_name, ft.track_title,"
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." st.starts as starts, st.ends as ends"
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." FROM cc_schedule st"
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." LEFT JOIN cc_files ft"
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." ON st.file_id = ft.id"
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." LEFT JOIN cc_show_instances sit"
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." ON st.instance_id = sit.id"
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." WHERE st.starts > TIMESTAMP :timeNow"
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." AND st.starts >= sit.starts" //this and the next line are necessary since we can overbook shows.
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." AND st.starts < sit.ends"
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." ORDER BY st.starts"
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." LIMIT 1";
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$row = Application_Common_Database::prepareAndExecute($sql, array(':timeNow'=>$p_timeNow));
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return $row;
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}
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/*
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*
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* @param DateTime $start in UTC timezone
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@ -524,4 +479,176 @@ SQL;
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return $overlapping;
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}
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public static function getDashboardInfo()
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{
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<<<SQL
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select
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npItems.media_title,
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npItems.item_start,
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npItems.item_end,
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npItems.show_start,
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npItems.show_end,
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npItems.show_id,
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show.name as show_name
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from
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(
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select
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pcnItems.media_title,
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pcnItems.starts as item_start,
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pcnItems.ends as item_end,
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pcnShows.starts as show_start,
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pcnShows.ends as show_end,
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pcnShows.show_id
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from
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(
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select
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preCurrNextShows.starts,
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preCurrNextShows.ends,
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preCurrNextShows.show_id
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from
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(
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select * from
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(
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select * from cc_show_instances instance
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where
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instance.modified_instance = false
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and instance.starts <= (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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and instance.ends > (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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)
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as currInstance
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union
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select * from
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(
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select * from cc_show_instances instance
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where
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instance.modified_instance = false
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and instance.starts > (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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order by instance.starts
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limit 1
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)
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as nextInstance
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union
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select * from
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(
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select * from cc_show_instances instance
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where
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instance.modified_instance = false
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and instance.ends < (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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order by instance.ends desc
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limit 1
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)
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as prevInstance
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)
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as preCurrNextShows
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)
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as pcnShows
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full outer join
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(
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select
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preCurrNextItem.starts,
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preCurrNextItem.ends,
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preCurrNextItem.show_id,
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media.name as media_title
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from
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(
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select * from
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(select currentItem.starts, currentItem.ends, currentItem.media_id, showInstance.show_id from
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(select sched.starts, sched.ends, sched.instance_id, sched.media_id from cc_schedule sched
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where
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sched.playout_status > 0
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and sched.starts <= (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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and sched.ends > (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC'))
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as currentItem
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left join cc_show_instances showInstance on currentItem.instance_id = showInstance.id
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where showInstance.modified_instance = false
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and showInstance.starts <= (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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and showInstance.ends > (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC'))
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as cItem
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union
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select * from
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(select nextItem.starts, nextItem.ends, nextItem.media_id, showInstance.show_id from
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(select sched.starts, sched.ends, sched.instance_id, sched.media_id from cc_schedule sched
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where
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sched.playout_status > 0
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and sched.starts > (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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order by sched.starts
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limit 1)
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as nextItem
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left join cc_show_instances showInstance on nextItem.instance_id = showInstance.id
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where showInstance.modified_instance = false)
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as nItem
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union
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select * from
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(select prevItem.starts, prevItem.ends, prevItem.media_id, showInstance.show_id from
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(select sched.starts, sched.ends, sched.instance_id, sched.media_id from cc_schedule sched
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where
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sched.playout_status > 0
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and sched.ends < (select CURRENT_TIMESTAMP AT TIME ZONE 'UTC')
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order by sched.ends desc
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limit 1)
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as prevItem
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left join cc_show_instances showInstance on prevItem.instance_id = showInstance.id
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where showInstance.modified_instance = false)
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as pItem
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)
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as preCurrNextItem
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left join media_item media on preCurrNextItem.media_id = media.id
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)
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as pcnItems
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using(show_id)
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)
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as npItems
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left join cc_show show on npItems.show_id = show.id
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where npItems.show_id is not null
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order by
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npItems.show_start,
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npItems.item_start
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SQL;
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}
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}
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