/**
* Update a tag in the database.
*
* @param Request $request
* @param int $id
* @return Response
*/
public function update(Request $request, $id)
{
$tag = Tag::findOrFail($id);
$this->validate($request, $this->rules);
$tag->title = $request->input('title');
$tag->save();
return redirect()->route('tag.view', ['id' => $tag->id]);
}
/**
* Show update form.
*
* @param int $id
*
* @return Response
*/
public function edit($id)
{
$image = Image::with(['tags'])->findOrFail($id);
$tags = Tag::orderBy('title', 'asc')->lists('title', 'id');
return view('image/tag/edit', ['pageTitle' => $this->pageTitle([trans('image.tag.edit.page-title', ['title' => $image->title])]), 'image' => $image, 'tags' => $tags]);
}
/**
* Automatically find tags for the image and assign them.
*
* @return boolean
*/
public function autoFindTags()
{
$url = str_finish(Config::get('services.alchemyapi.url'), '/') . 'URLGetRankedImageKeywords';
$imageUrl = null;
$previewSize = $this->getImageSize('preview');
if ($previewSize > 1024 * 1024 || $previewSize === 0) {
$imageUrl = $this->thumbnailUrl;
} else {
$imageUrl = $this->previewUrl;
}
$params = ['url' => $imageUrl, 'apikey' => Config::get('services.alchemyapi.key'), 'outputMode' => 'json'];
$url .= '?' . http_build_query($params);
$tags = json_decode(file_get_contents($url));
if (strtolower($tags->status) != 'ok') {
Log::error("Unsuccessfull response from tagging api for image #{$this->id}: " . serialize($tags));
return false;
}
if (count($tags->imageKeywords) === 0) {
$tag = Tag::firstOrCreate(['title' => 'unknown']);
$this->tags()->attach($tag->id);
return true;
}
foreach ($tags->imageKeywords as $tagRaw) {
$tag = Tag::firstOrCreate(['title' => $tagRaw->text]);
$this->tags()->attach($tag->id);
}
return true;
}
