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Added live-info-v2 and station metadata api calls

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This commit is contained in:
Duncan Sommerville 2014-10-24 15:11:27 -04:00
parent 0c538ff1ae
commit 598b18b65a
5 changed files with 669 additions and 221 deletions
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92
airtime_mvc/application/models/Schedule.php
View file

@ -56,43 +56,79 @@ SQL;
return $real_streams;
}
/**
* Returns data related to the scheduled items.
*
* @param int $p_prev
* @param int $p_next
* @return date
*/
public static function GetPlayOrderRange($p_prev = 1, $p_next = 1)
public static function GetPlayOrderRange($utcTimeEnd = null, $showsToRetrieve = 5)
{
//Everything in this function must be done in UTC. You will get a swift kick in the pants if you mess that up.
if (!is_int($p_prev) || !is_int($p_next)) {
//must enter integers to specify ranges
Logging::info("Invalid range parameters: $p_prev or $p_next");
// Everything in this function must be done in UTC. You will get a swift kick in the pants if you mess that up.
return array();
// when timeEnd is unspecified, return to the default behaviour - set a range of 48 hours from current time
if (!$utcTimeEnd) {
$end = new DateTime();
$end->add(new DateInterval("P2D")); // Add 2 days
$end->setTimezone(new DateTimeZone("UTC"));
$utcTimeEnd = $end->format("Y-m-d H:i:s");
}
$utcNow = new DateTime("now", new DateTimeZone("UTC"));
$shows = Application_Model_Show::getPrevCurrentNext($utcNow);
$shows = Application_Model_Show::getPrevCurrentNext($utcNow, $utcTimeEnd, $showsToRetrieve);
$previousShowID = count($shows['previousShow'])>0?$shows['previousShow'][0]['instance_id']:null;
$currentShowID = count($shows['currentShow'])>0?$shows['currentShow']['instance_id']:null;
$nextShowID = count($shows['nextShow'])>0?$shows['nextShow'][0]['instance_id']:null;
$results = self::GetPrevCurrentNext($previousShowID, $currentShowID, $nextShowID, $utcNow);
$range = array(
"station" => array (
"env" => APPLICATION_ENV,
"schedulerTime" => $utcNow->format("Y-m-d H:i:s")
),
//Previous, current, next songs!
"tracks" => array(
"previous" => $results['previous'],
"current" => $results['current'],
"next" => $results['next']
),
//Current and next shows
"shows" => array (
"previous" => $shows['previousShow'],
"current" => $shows['currentShow'],
"next" => $shows['nextShow']
)
);
return $range;
}
/**
* Old version of the function for backwards compatibility
*/
public static function GetPlayOrderRangeOld()
{
// Everything in this function must be done in UTC. You will get a swift kick in the pants if you mess that up.
$utcNow = new DateTime("now", new DateTimeZone("UTC"));
$shows = Application_Model_Show::getPrevCurrentNextOld($utcNow);
$previousShowID = count($shows['previousShow'])>0?$shows['previousShow'][0]['instance_id']:null;
$currentShowID = count($shows['currentShow'])>0?$shows['currentShow'][0]['instance_id']:null;
$nextShowID = count($shows['nextShow'])>0?$shows['nextShow'][0]['instance_id']:null;
$results = self::GetPrevCurrentNext($previousShowID, $currentShowID, $nextShowID, $utcNow);
$range = array("env"=>APPLICATION_ENV,
"schedulerTime"=> $utcNow->format("Y-m-d H:i:s"),
//Previous, current, next songs!
"previous"=>$results['previous'] !=null?$results['previous']:(count($shows['previousShow'])>0?$shows['previousShow'][0]:null),
"current"=>$results['current'] !=null?$results['current']:((count($shows['currentShow'])>0 && $shows['currentShow'][0]['record'] == 1)?$shows['currentShow'][0]:null),
"next"=> $results['next'] !=null?$results['next']:(count($shows['nextShow'])>0?$shows['nextShow'][0]:null),
//Current and next shows
"currentShow"=>$shows['currentShow'],
"nextShow"=>$shows['nextShow'],
$range = array(
"env" => APPLICATION_ENV,
"schedulerTime" => $utcNow->format("Y-m-d H:i:s"),
//Previous, current, next songs!
"previous"=>$results['previous'] !=null?$results['previous']:(count($shows['previousShow'])>0?$shows['previousShow'][0]:null),
"current"=>$results['current'] !=null?$results['current']:((count($shows['currentShow'])>0 && $shows['currentShow'][0]['record'] == 1)?$shows['currentShow'][0]:null),
"next"=> $results['next'] !=null?$results['next']:(count($shows['nextShow'])>0?$shows['nextShow'][0]:null),
//Current and next shows
"currentShow"=>$shows['currentShow'],
"nextShow"=>$shows['nextShow']
);
return $range;
}
@ -111,7 +147,7 @@ SQL;
$timeZone = new DateTimeZone("UTC"); //This function works entirely in UTC.
assert(get_class($utcNow) === "DateTime");
assert($utcNow->getTimeZone() == $timeZone);
if ($p_previousShowID == null && $p_currentShowID == null && $p_nextShowID == null) {
return;
}
@ -170,15 +206,15 @@ SQL;
$results['next'] = null;
for ($i = 0; $i < $numberOfRows; ++$i) {
// if the show is overbooked, then update the track end time to the end of the show time.
if ($rows[$i]['ends'] > $rows[$i]["show_ends"]) {
$rows[$i]['ends'] = $rows[$i]["show_ends"];
}
$curShowStartTime = new DateTime($rows[$i]['starts'], $timeZone);
$curShowEndTime = new DateTime($rows[$i]['ends'], $timeZone);
if (($curShowStartTime <= $utcNow) && ($curShowEndTime >= $utcNow)) {
if ($i - 1 >= 0) {
$results['previous'] = array("name"=>$rows[$i-1]["artist_name"]." - ".$rows[$i-1]["track_title"],

222
airtime_mvc/application/models/Show.php
View file

@ -1106,14 +1106,14 @@ SQL;
}
/**
* Gets the current show, previous and next with an 2day window from
* the given timeNow, so timeNow-2days and timeNow+2days.
* Gets the current show, previous and next with an n-day window from
* the given timeNow, so timeNow-2days and timeNow+$daysToRetrieve days.
*
* @param $utcNow A DateTime object containing the current time in UTC.
* @return An array (with stupid sub-arrays) containing the previous show id,
* current show id, and next show id.
* @return An array containing the previous show,
* current show, and next show.
*/
public static function getPrevCurrentNext($utcNow)
public static function getPrevCurrentNext($utcNow, $utcEndStr, $showsToRetrieve)
{
$timeZone = new DateTimeZone("UTC"); //This function works entirely in UTC.
assert(get_class($utcNow) === "DateTime");
@ -1121,16 +1121,108 @@ SQL;
$CC_CONFIG = Config::getConfig();
$con = Propel::getConnection();
//
// This will fetch the currently playing show first, then any
// upcoming shows within our interval, and finally move on to
// previous shows in the past 2 days.
$sql = <<<SQL
SELECT s.name,
s.description,
s.genre,
s.id,
si.id AS instance_id,
si.description AS instance_description,
si.record,
s.url,
s.image_path,
starts,
ends
FROM cc_show_instances si
LEFT JOIN cc_show s
ON si.show_id = s.id
WHERE si.show_id = s.id
AND si.starts >= :timeNow::timestamp - INTERVAL '2 days'
AND si.starts < :timeEnd::timestamp
AND modified_instance != TRUE
ORDER BY
CASE
WHEN si.ends > :timeNow::timestamp
AND si.starts < :timeNow::timestamp THEN 1
WHEN si.starts > :timeNow::timestamp THEN 2
ELSE 3
END
LIMIT :lim
SQL;
$stmt = $con->prepare($sql);
$utcNowStr = $utcNow->format("Y-m-d H:i:s");
$stmt->bindValue(':timeNow', $utcNowStr);
$stmt->bindValue(':timeEnd', $utcEndStr);
$stmt->bindValue(':lim', $showsToRetrieve);
if ($stmt->execute()) {
// use PDO::FETCH_ASSOC to only get the associative values
// note that fetchAll() defaults to PDO::FETCH_BOTH, which we don't want
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
} else {
$msg = implode(',', $stmt->errorInfo());
throw new Exception("Error: $msg");
}
$numberOfRows = count($rows);
$results['previousShow'] = array();
$results['currentShow'] = null;
$results['nextShow'] = array();
for ($i = 0; $i < $numberOfRows; ++$i) {
// all shows start/end times are stored in the database as UTC.
$showStartTime = new DateTime($rows[$i]['starts'], $timeZone);
$showEndTime = new DateTime($rows[$i]['ends'], $timeZone);
// Find the show that is within the current time.
if (($showStartTime <= $utcNow) && ($showEndTime > $utcNow)) {
$results['currentShow'] = $rows[$i];
} else if ($showEndTime < $utcNow ) {
array_push($results['previousShow'], $rows[$i]);
} else if ($showStartTime > $utcNow) {
array_push($results['nextShow'], $rows[$i]);
}
}
return $results;
}
/**
* Gets the current show, previous and next with an 2day window from
* the given timeNow, so timeNow-2days and timeNow+2days.
*
* @param $utcNow A DateTime object containing the current time in UTC.
* @return An array (with stupid sub-arrays) containing the previous show id,
* current show id, and next show id.
*/
public static function getPrevCurrentNextOld($utcNow)
{
$timeZone = new DateTimeZone("UTC"); //This function works entirely in UTC.
assert(get_class($utcNow) === "DateTime");
assert($utcNow->getTimeZone() == $timeZone);
$CC_CONFIG = Config::getConfig();
$con = Propel::getConnection();
//TODO, returning starts + ends twice (once with an alias). Unify this after the 2.0 release. --Martin
$sql = <<<SQL
SELECT si.starts AS start_timestamp,
si.ends AS end_timestamp,
s.name,
s.description,
s.id,
si.id AS instance_id,
si.description AS instance_description,
si.record,
s.url,
s.image_path,
starts,
ends
FROM cc_show_instances si
@ -1142,62 +1234,68 @@ WHERE si.show_id = s.id
AND modified_instance != TRUE
ORDER BY si.starts
SQL;
$stmt = $con->prepare($sql);
$utcNowStr = $utcNow->format("Y-m-d H:i:s");
$stmt->bindValue(':timeNow1', $utcNowStr);
$stmt->bindValue(':timeNow2', $utcNowStr);
if ($stmt->execute()) {
$rows = $stmt->fetchAll();
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
} else {
$msg = implode(',', $stmt->errorInfo());
throw new Exception("Error: $msg");
}
$numberOfRows = count($rows);
$results['previousShow'] = array();
$results['currentShow'] = array();
$results['nextShow'] = array();
for ($i = 0; $i < $numberOfRows; ++$i) {
//All shows start/end times are stored in the database as UTC.
$showStartTime = new DateTime($rows[$i]['starts'], $timeZone);
$showEndTime = new DateTime($rows[$i]['ends'], $timeZone);
//Find the show that is within the current time.
if (($showStartTime <= $utcNow) && ($showEndTime > $utcNow))
{
if (($showStartTime <= $utcNow) && ($showEndTime > $utcNow))
{
if ($i-1 >= 0) {
$results['previousShow'][0] = array(
"id" => $rows[$i-1]['id'],
"instance_id" => $rows[$i-1]['instance_id'],
"name" => $rows[$i-1]['name'],
"url" => $rows[$i-1]['url'],
"start_timestamp" => $rows[$i-1]['start_timestamp'],
"end_timestamp" => $rows[$i-1]['end_timestamp'],
"starts" => $rows[$i-1]['starts'],
"ends" => $rows[$i-1]['ends'],
"record" => $rows[$i-1]['record'],
"type" => "show");
"id" => $rows[$i-1]['id'],
"instance_id" => $rows[$i-1]['instance_id'],
"instance_description" => $rows[$i-1]['instance_description'],
"name" => $rows[$i-1]['name'],
"description" => $rows[$i-1]['description'],
"url" => $rows[$i-1]['url'],
"start_timestamp" => $rows[$i-1]['start_timestamp'],
"end_timestamp" => $rows[$i-1]['end_timestamp'],
"starts" => $rows[$i-1]['starts'],
"ends" => $rows[$i-1]['ends'],
"record" => $rows[$i-1]['record'],
"image_path" => $rows[$i-1]['image_path'],
"type" => "show");
}
$results['currentShow'][0] = $rows[$i];
if (isset($rows[$i+1])) {
$results['nextShow'][0] = array(
"id" => $rows[$i+1]['id'],
"instance_id" => $rows[$i+1]['instance_id'],
"name" => $rows[$i+1]['name'],
"url" => $rows[$i+1]['url'],
"start_timestamp" => $rows[$i+1]['start_timestamp'],
"end_timestamp" => $rows[$i+1]['end_timestamp'],
"starts" => $rows[$i+1]['starts'],
"ends" => $rows[$i+1]['ends'],
"record" => $rows[$i+1]['record'],
"type" => "show");
"id" => $rows[$i+1]['id'],
"instance_id" => $rows[$i+1]['instance_id'],
"instance_description" => $rows[$i+1]['instance_description'],
"name" => $rows[$i+1]['name'],
"description" => $rows[$i+1]['description'],
"url" => $rows[$i+1]['url'],
"start_timestamp" => $rows[$i+1]['start_timestamp'],
"end_timestamp" => $rows[$i+1]['end_timestamp'],
"starts" => $rows[$i+1]['starts'],
"ends" => $rows[$i+1]['ends'],
"record" => $rows[$i+1]['record'],
"image_path" => $rows[$i+1]['image_path'],
"type" => "show");
}
break;
}
@ -1208,34 +1306,40 @@ SQL;
//if we hit this we know we've gone to far and can stop looping.
if ($showStartTime > $utcNow) {
$results['nextShow'][0] = array(
"id" => $rows[$i]['id'],
"instance_id" => $rows[$i]['instance_id'],
"name" => $rows[$i]['name'],
"url" => $rows[$i]['url'],
"start_timestamp" => $rows[$i]['start_timestamp'],
"end_timestamp" => $rows[$i]['end_timestamp'],
"starts" => $rows[$i]['starts'],
"ends" => $rows[$i]['ends'],
"record" => $rows[$i]['record'],
"type" => "show");
"id" => $rows[$i]['id'],
"instance_id" => $rows[$i]['instance_id'],
"instance_description" => $rows[$i]['instance_description'],
"name" => $rows[$i]['name'],
"description" => $rows[$i]['description'],
"url" => $rows[$i]['url'],
"start_timestamp" => $rows[$i]['start_timestamp'],
"end_timestamp" => $rows[$i]['end_timestamp'],
"starts" => $rows[$i]['starts'],
"ends" => $rows[$i]['ends'],
"record" => $rows[$i]['record'],
"image_path" => $rows[$i]['image_path'],
"type" => "show");
break;
}
}
//If we didn't find a a current show because the time didn't fit we may still have
//found a previous show so use it.
if (count($results['previousShow']) == 0 && isset($previousShowIndex)) {
$results['previousShow'][0] = array(
"id" => $rows[$previousShowIndex]['id'],
"instance_id" => $rows[$previousShowIndex]['instance_id'],
"name" => $rows[$previousShowIndex]['name'],
"start_timestamp" => $rows[$previousShowIndex]['start_timestamp'],
"end_timestamp" => $rows[$previousShowIndex]['end_timestamp'],
"starts" => $rows[$previousShowIndex]['starts'],
"ends" => $rows[$previousShowIndex]['ends'],
"record" => $rows[$previousShowIndex]['record'],
"type" => "show");
$results['previousShow'][0] = array(
"id" => $rows[$previousShowIndex]['id'],
"instance_id" => $rows[$previousShowIndex]['instance_id'],
"instance_description" => $rows[$previousShowIndex]['instance_description'],
"name" => $rows[$previousShowIndex]['name'],
"description" => $rows[$previousShowIndex]['description'],
"start_timestamp" => $rows[$previousShowIndex]['start_timestamp'],
"end_timestamp" => $rows[$previousShowIndex]['end_timestamp'],
"starts" => $rows[$previousShowIndex]['starts'],
"ends" => $rows[$previousShowIndex]['ends'],
"record" => $rows[$previousShowIndex]['record'],
"image_path" => $rows[$previousShowIndex]['image_path'],
"type" => "show");
}
return $results;
}