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MDL-34633 Repository: Flickr supports small images

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This commit is contained in:
Frederic Massart
2012-09-03 14:19:47 +08:00
parent 668ba1e922
commit 82bf5b10b9
2 changed files with 75 additions and 33 deletions
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repository/flickr/lib.php
+33 -9
View File
@@ -37,6 +37,11 @@ class repository_flickr extends repository {
private $flickr;
public $photos;
/**
* Stores sizes of images to prevent multiple API call
*/
static private $sizes = array();
/**
*
* @param int $repositoryid
@@ -228,16 +233,35 @@ class repository_flickr extends repository {
* @return string
*/
private function build_photo_url($photoid) {
$result = $this->flickr->photos_getSizes($photoid);
$url = '';
if(!empty($result[4])) {
$url = $result[4]['source'];
} elseif(!empty($result[3])) {
$url = $result[3]['source'];
} elseif(!empty($result[2])) {
$url = $result[2]['source'];
$bestsize = $this->get_best_size($photoid);
if (!isset($bestsize['source'])) {
throw new repository_exception('cannotdownload', 'repository');
}
return $url;
return $bestsize['source'];
}
/**
* Returns the best size for a photo
*
* @param string $photoid the photo identifier
* @return array of information provided by the API
*/
protected function get_best_size($photoid) {
if (!isset(self::$sizes[$photoid])) {
// Sizes are returned from smallest to greatest.
self::$sizes[$photoid] = $this->flickr->photos_getSizes($photoid);
}
$sizes = self::$sizes[$photoid];
$bestsize = array();
if (is_array($sizes)) {
while ($bestsize = array_pop($sizes)) {
// Make sure the source is set. Exit the loop if found.
if (isset($bestsize['source'])) {
break;
}
}
}
return $bestsize;
}
public function get_link($photoid) {
repository/flickr_public/lib.php
+42 -24
View File
@@ -41,6 +41,11 @@ class repository_flickr_public extends repository {
private $flickr;
public $photos;
/**
* Stores sizes of images to prevent multiple API call
*/
static private $sizes = array();
/**
* constructor method
*
@@ -403,16 +408,35 @@ class repository_flickr_public extends repository {
* @return string
*/
private function build_photo_url($photoid) {
$result = $this->flickr->photos_getSizes($photoid);
$url = '';
if(!empty($result[4])) {
$url = $result[4]['source'];
} elseif(!empty($result[3])) {
$url = $result[3]['source'];
} elseif(!empty($result[2])) {
$url = $result[2]['source'];
$bestsize = $this->get_best_size($photoid);
if (!isset($bestsize['source'])) {
throw new repository_exception('cannotdownload', 'repository');
}
return $url;
return $bestsize['source'];
}
/**
* Returns the best size for a photo
*
* @param string $photoid the photo identifier
* @return array of information provided by the API
*/
protected function get_best_size($photoid) {
if (!isset(self::$sizes[$photoid])) {
// Sizes are returned from smallest to greatest.
self::$sizes[$photoid] = $this->flickr->photos_getSizes($photoid);
}
$sizes = self::$sizes[$photoid];
$bestsize = array();
if (is_array($sizes)) {
while ($bestsize = array_pop($sizes)) {
// Make sure the source is set. Exit the loop if found.
if (isset($bestsize['source'])) {
break;
}
}
}
return $bestsize;
}
public function get_link($photoid) {
@@ -435,29 +459,23 @@ class repository_flickr_public extends repository {
$author = $info['owner']['username'];
}
$copyright = get_string('author', 'repository') . ': ' . $author;
$result = $this->flickr->photos_getSizes($photoid);
// download link
$source = '';
// flickr photo page
$url = '';
if (!empty($result[4])) {
$source = $result[4]['source'];
$url = $result[4]['url'];
} elseif(!empty($result[3])) {
$source = $result[3]['source'];
$url = $result[3]['url'];
} elseif(!empty($result[2])) {
$source = $result[2]['source'];
$url = $result[2]['url'];
// If we can read the original secret, it means that we have access to the original picture.
if (isset($info['originalsecret'])) {
$source = $this->flickr->buildPhotoURL($info, 'original');
} else {
$source = $this->build_photo_url($photoid);
}
$result = parent::get_file($source, $file);
$path = $result['path'];
if (!empty($this->usewatermarks)) {
$img = new moodle_image($path);
$img->watermark($copyright, array(10,10), array('ttf'=>true, 'fontsize'=>12))->saveas($path);
}
return array('path'=>$path, 'url'=>$url, 'author'=>$info['owner']['realname'], 'license'=>$this->license4moodle($info['license']));
return array('path'=>$path, 'author'=>$info['owner']['realname'], 'license'=>$this->license4moodle($info['license']));
}
/**