/**
* Update the specified resource in storage.
*
* @param int $id
* @return Response
*/
public function update($id)
{
$rules = array('title' => 'required', 'slug' => 'required');
$validation = Validator::make(Input::all(), $rules);
if ($validation->passes()) {
$post = PostModel::find($id);
$input = Input::except('enable_preview_content', 'tags');
$input['user_id'] = Auth::user()->id;
if (!Input::has('enable_preview_content')) {
$input['preview_content'] = "";
} else {
//Save preview image if custom content enable
if (!empty($post->header_image) && file_exists(public_path('images/header_image/' . $post->header_image))) {
unlink(public_path('images/header_image/' . $post->header_image));
}
$imagesource = Input::file('preview_image');
if ($imagesource->isValid()) {
$previewImageFilename = 'preview_' . date('YmdHis') . '.' . $imagesource->getClientOriginalExtension();
$headerImageFilename = 'header_' . date('YmdHis') . '.' . $imagesource->getClientOriginalExtension();
$preview_image = Imagecustom::make($imagesource)->resize(300, null, function ($constraint) {
$constraint->aspectRatio();
});
$header_image = Imagecustom::make($imagesource)->resize(1170, null, function ($constraint) {
$constraint->aspectRatio();
});
$preview_image->save('images/preview_image/' . $previewImageFilename);
$header_image->save('images/header_image/' . $headerImageFilename);
$input['preview_image'] = $previewImageFilename;
$input['header_image'] = $headerImageFilename;
}
}
//Destroy old image for this content
$imageList = json_decode($post->images);
if (!empty($imageList)) {
foreach ($imageList as $image) {
$imageFile = public_path('images/generate/' . $image);
if (file_exists($imageFile)) {
unlink($imageFile);
}
}
}
$html = HtmlDomParser::str_get_html(Input::get('content'));
$imageList = [];
foreach ($html->find('img') as $key => $element) {
//Get real base64 format
$imageEncode = preg_replace('#^data:image/[^;]+;base64,#', '', $element->src);
//Get height, width, and extension
$imageInfo = Image::getImageInfoFromBase64($imageEncode);
//Generate image filename and save to images folder
$filename = date('YmdHis') . '_' . $key . $imageInfo->ext;
$file = Image::fromBase64($imageEncode, public_path('images/generate/' . $filename));
//Parse image css to get height and width
$imageStyle = array();
preg_match_all("/([\\w-]+)\\s*:\\s*([^;]+)\\s*;?/", $element->style, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$imageStyle[$match[1]] = $match[2];
}
//Calculate new image size
if (strpos($imageStyle['width'], '%')) {
$imageWidth = $imageStyle['width'] / 100 * $imageInfo->width;
$imageHeight = $imageWidth * $imageInfo->height / $imageInfo->width;
} else {
$imageWidth = $imageInfo->width;
$imageHeight = $imageInfo->height;
}
//Modify content img to use lazy imageloader
$element->class = $element->class . ' lazy';
$element->width = $imageWidth;
$element->height = $imageHeight;
$element->href = asset('images/generate/' . $file);
$element->{"data-original"} = asset('images/generate/' . $file);
$element->src = null;
$element->style = null;
//Save image to imageList array
$imageList[] = $filename;
}
$html->save();
$input["lazy_content"] = $html;
//Store imageList to input variable with JSON format
$input['images'] = json_encode($imageList);
//Check if is_publish flag doesn't exist or unchecked, set to "0" or unpublish
if (!Input::has("is_publish")) {
$input["is_publish"] = "0";
}
try {
$post = PostModel::find($id)->update($input);
} catch (Exception $e) {
if ($e->getCode() == 23000) {
$failMsg = 'Post title is double. Please check again.';
} else {
$failMsg = $e->getMessage();
}
return redirect()->route('admin.post.edit', $id)->withInput()->with('fail_msg', $failMsg);
}
if (isset($post)) {
PostModel::find($id)->tag()->sync(Input::has('tags') ? Input::get('tags') : array());
}
return redirect()->route('admin.post.index')->with('success_msg', 'Succesfully edited post');
}
return redirect()->route('admin.post.edit', $id)->withInput()->withErrors($validation)->with('fail_msg', 'Failed to edit post');
}
public function loadView()
{
return Image::placeholder(Input::get("h"), Input::get("w"), Input::get("t"));
}
