/**
* Update the specified resource in storage.
*
* @param \Illuminate\Http\Request $request
* @param int $id
* @return \Illuminate\Http\Response
*/
public function update(Request $request, $id)
{
$post = Post::find($id);
$post->fill($request->input())->save();
$tags = tags_to_array($request->get('tags'));
foreach ($tags as $tag) {
$tag = Tag::firstOrCreate(['name' => $tag]);
$post->tags()->detach($tag);
$post->tags()->attach($tag);
}
return redirect(route('admin.posts'));
}
function filter_tags($tags){
$tag_array = tags_to_array($tags);
$incl = array();
$excl = array();
$filtered_array = array('include' => $incl, 'exclude' => $excl);
for($i = 0; $i < sizeof($tag_array); $i++){
if($tag_array[$i][0] == '-'){
array_push($filtered_array['exclude'], substr($tag_array[$i], 1));
}else{
array_push($filtered_array['include'], $tag_array[$i]);
}
}
//echo '<pre>';
//print_r($filtered_array);
return $filtered_array;
}
