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Add createThumbnail function to the API

This commit is contained in:
Kyle Johnson 2014-12-23 22:10:52 -05:00
parent 6718559be5
commit 1146e42c0f
1 changed files with 71 additions and 1 deletions
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72
web/api/app/Controller/EventsController.php
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@ -12,7 +12,7 @@ class EventsController extends AppController {
* *
* @var array * @var array
*/ */
public $components = array('RequestHandler'); public $components = array('RequestHandler', 'Scaler', 'Image');
/** /**
* index method * index method
@ -152,4 +152,74 @@ class EventsController extends AppController {
)); ));
} }
// Create a thumbnail and return the thumbnail's data for a given event id.
public function createThumbnail($id = null) {
$this->Event->recursive = -1;
if (!$this->Event->exists($id)) {
throw new NotFoundException(__('Invalid event'));
}
$event = $this->Event->find('first', array(
'conditions' => array('Id' => $id)
));
// Find the max Frame for this Event. Error out otherwise.
$this->loadModel('Frame');
if (! $frame = $this->Frame->find('first', array(
'conditions' => array(
'EventId' => $event['Event']['Id'],
'Score' => $event['Event']['MaxScore']
)
))) {
throw new NotFoundException(__('Can not find Frame'));
}
$this->loadModel('Config');
// Get the config options required for reScale and getImageSrc
// The $bw, $thumbs and unset() code is a workaround / temporary
// until I have a better way of handing per-bandwidth config options
$bw = strtoupper(substr($_COOKIE['zmBandwidth'], 0, 1));
$thumbs = "ZM_WEB_${bw}_SCALE_THUMBS";
$config = $this->Config->find('list', array(
'conditions' => array('OR' => array(
'Name' => array('ZM_WEB_LIST_THUMB_WIDTH',
'ZM_WEB_LIST_THUMB_HEIGHT',
'ZM_EVENT_IMAGE_DIGITS',
'ZM_DIR_IMAGES',
"$thumbs",
'ZM_DIR_EVENTS'
)
)),
'fields' => array('Name', 'Value')
));
$config['ZM_WEB_SCALE_THUMBS'] = $config[$thumbs];
unset($config[$thumbs]);
// reScale based on either the width, or the hight, of the event.
if ( $config['ZM_WEB_LIST_THUMB_WIDTH'] ) {
$thumbWidth = $config['ZM_WEB_LIST_THUMB_WIDTH'];
$scale = (100 * $thumbWidth) / $event['Event']['Width'];
$thumbHeight = $this->Scaler->reScale( $event['Event']['Height'], $scale );
}
elseif ( $config['ZM_WEB_LIST_THUMB_HEIGHT'] ) {
$thumbHeight = $config['ZM_WEB_LIST_THUMB_HEIGHT'];
$scale = (100*$thumbHeight)/$event['Event']['Height'];
$thumbWidth = $this->Scaler->reScale( $event['Event']['Width'], $scale );
}
else {
throw new NotFoundException(__('No thumbnail width or height specified, please check in Options->Web'));
}
$imageData = $this->Image->getImageSrc( $event, $frame, $scale, $config );
$thumbData['Path'] = $imageData['thumbPath'];
$thumbData['Width'] = (int)$thumbWidth;
$thumbData['Height'] = (int)$thumbHeight;
return( $thumbData );
}
} }