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implement streams-api v2

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fixes #6
This commit is contained in:
MaZderMind 2016-12-20 23:14:35 +01:00
parent 9f10efd647
commit 4a7a7ed1bc
3 changed files with 114 additions and 3 deletions
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6
README.md
View file

@ -72,14 +72,14 @@ see [deploy.sh](deploy.sh)
## JSON-API
Unter der URL http://streaming.media.ccc.de/streams/v1.json bietet die
Unter der URL http://streaming.media.ccc.de/streams/v2.json bietet die
Steaming-Webseite eine Übersicht über alle konfigurierten Räume und Streams in
einem maschinenlesbaren Format an. Dieses kann z.B. genutzt werden, um in den
diversen Anwendungen, die sich rund um das Konferenzgeschehen entwickelt haben,
Player und Links zu Liveübertragungen anzubieten.
Wie die URL vermuten lässt, ist die API versioniert. Dies bedeutet, dass in
der `v1.json` keine Felder *entfernt werden* oder ihre *Bedeutung ändern* – es
der `v2.json` keine Felder *entfernt werden* oder ihre *Bedeutung ändern* – es
können aber durchaus *neue Felder* hinzukommen. Eine formalere Spezifikation
des JSON-Formats ist tbd. Ein Beispiel kann [hier
betrachtet](https://gist.github.com/MaZderMind/d5737ab867ade7888cb4) werden.
betrachtet](https://gist.github.com/MaZderMind/a91f242efb2f446a2237d4596896efd6) werden.

6
index.php
View file

@ -107,6 +107,12 @@ try {
exit;
}
else if($route == 'streams/v2.json')
{
require('view/streams-json-v2.php');
exit;
}
else if($route == 'about')
{
// global about-page

105
view/streams-json-v2.php Normal file
View file

@ -0,0 +1,105 @@
<?php
header('Content-Type: application/json');
foreach (Conferences::getActiveConferences() as $conference)
{
$overview = $conference->getOverview();
$groupstruct = array();
foreach($overview->getGroups() as $group => $rooms)
{
$roomstruct = array();
foreach($rooms as $room)
{
$streams = array();
foreach($room->getStreams() as $stream)
{
$key = $stream->getSelection().'-'.$stream->getLanguage();
$urls = array();
switch($stream->getPlayerType())
{
case 'video':
foreach ($stream->getVideoProtos() as $proto => $display)
{
$urls[$proto] = array(
'display' => $display,
'tech' => $stream->getVideoTech($proto),
'url' => $stream->getVideoUrl($proto),
);
}
break;
case 'slides':
foreach ($stream->getSlidesProtos() as $proto => $display)
{
$urls[$proto] = array(
'display' => $display,
'tech' => $stream->getSlidesTech($proto),
'url' => $stream->getSlidesUrl($proto),
);
}
break;
case 'audio':
foreach ($stream->getAudioProtos() as $proto => $display)
{
$urls[$proto] = array(
'display' => $display,
'tech' => $stream->getAudioTech($proto),
'url' => $stream->getAudioUrl($proto),
);
}
break;
case 'music':
foreach ($stream->getMusicProtos() as $proto => $display)
{
$urls[$proto] = array(
'display' => $display,
'tech' => $stream->getMusicTech($proto),
'url' => $stream->getMusicUrl($proto),
);
}
break;
}
$streams[] = array(
'slug' => $key,
'display' => $stream->getDisplay(),
'type' => $stream->getPlayerType(),
'isTranslated' => $stream->isTranslated(),
'videoSize' => $stream->getVideoSize(),
'urls' => $urls,
);
}
$roomstruct[] = array(
'slug' => $room->getSlug(),
'schedulename' => $room->getScheduleName(),
'thumb' => forceslash(baseurl()).$room->getThumb(),
'link' => forceslash(baseurl()).$room->getLink(),
'display' => $room->getDisplay(),
'streams' => $streams,
);
}
$groupstruct[] = array(
'group' => $group,
'rooms' => $roomstruct,
);
}
$struct[] = array(
'conference' => $conference->getTitle(),
'slug' => $conference->getSlug(),
'author' => $conference->getAuthor(),
'description' => $conference->getDescription(),
'keywords' => $conference->getKeywords(),
'startsAt' => $conference->startsAt() ? $conference->startsAt()->format(DateTime::ISO8601) : null,
'endsAt' => $conference->endsAt() ? $conference->endsAt()->format(DateTime::ISO8601) : null,
'groups' => $groupstruct,
);
}
echo json_encode($struct, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);