529 lines
14 KiB
PHP
529 lines
14 KiB
PHP
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<?php namespace Aweos\Resizer\FormWidgets;
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use Db;
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use Input;
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use Request;
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use Response;
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use Validator;
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use Backend\Widgets\Form;
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use Backend\Classes\FormField;
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use Backend\Classes\FormWidgetBase;
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use October\Rain\Filesystem\Definitions as FileDefinitions;
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use ApplicationException;
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use ValidationException;
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use Exception;
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use Aweos\Resizer\Traits\ResponsiveSaver;
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use Aweos\Resizer\Traits\ResponsiveWidget;
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/**
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* File upload field
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* Renders a form file uploader field.
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*
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* Supported options:
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* - mode: image-single, image-multi, file-single, file-multi
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* - upload-label: Add file
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* - empty-label: No file uploaded
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*
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* @package october\backend
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* @author Alexey Bobkov, Samuel Georges
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*/
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class Responsiveimage extends FormWidgetBase
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{
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use ResponsiveSaver;
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use ResponsiveWidget;
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//
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// Configurable properties
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//
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/**
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* @var string Prompt text to display for the upload button.
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*/
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public $prompt;
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/**
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* @var int Preview image width
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*/
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public $imageWidth;
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/**
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* @var int Preview image height
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*/
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public $imageHeight;
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/**
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* @var mixed Collection of acceptable file types.
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*/
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public $fileTypes = false;
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/**
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* @var mixed Collection of acceptable mime types.
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*/
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public $mimeTypes = false;
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/**
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* @var mixed Max file size.
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*/
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public $maxFilesize;
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/**
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* @var array Options used for generating thumbnails.
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*/
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public $thumbOptions = [
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'mode' => 'crop',
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'extension' => 'auto'
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];
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/**
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* @var boolean Allow the user to set a caption.
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*/
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public $useCaption = true;
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/**
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* @var boolean Automatically attaches the uploaded file on upload if the parent record exists instead of using deferred binding to attach on save of the parent record. Defaults to false.
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*/
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public $attachOnUpload = false;
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//
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// Object properties
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//
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/**
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* @inheritDoc
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*/
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protected $defaultAlias = 'fileupload';
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/**
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* @var Backend\Widgets\Form The embedded form for modifying the properties of the selected file
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*/
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protected $configFormWidget;
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/**
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* @inheritDoc
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*/
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public function init()
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{
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$this->maxFilesize = $this->getUploadMaxFilesize();
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$this->fillFromConfig([
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'prompt',
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'imageWidth',
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'imageHeight',
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'fileTypes',
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'maxFilesize',
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'mimeTypes',
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'thumbOptions',
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'useCaption',
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'attachOnUpload',
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]);
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if ($this->formField->disabled) {
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$this->previewMode = true;
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}
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$this->getConfigFormWidget();
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}
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/**
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* @inheritDoc
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*/
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public function render()
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{
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$this->prepareVars();
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return $this->makePartial('responsiveimage');
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}
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/**
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* Prepares the view data
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*/
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protected function prepareVars()
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{
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if ($this->formField->disabled) {
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$this->previewMode = true;
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}
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if ($this->previewMode) {
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$this->useCaption = false;
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}
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if ($this->maxFilesize > $this->getUploadMaxFilesize()) {
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throw new ApplicationException('Maximum allowed size for uploaded files: ' . $this->getUploadMaxFilesize());
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}
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$this->vars['fileList'] = $fileList = $this->getFileList();
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$this->vars['singleFile'] = $fileList->first();
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$this->vars['displayMode'] = $this->getDisplayMode();
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$this->vars['emptyIcon'] = $this->getConfig('emptyIcon', 'icon-upload');
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$this->vars['imageHeight'] = $this->imageHeight;
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$this->vars['imageWidth'] = $this->imageWidth;
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$this->vars['acceptedFileTypes'] = $this->getAcceptedFileTypes(true);
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$this->vars['maxFilesize'] = $this->maxFilesize;
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$this->vars['cssDimensions'] = $this->getCssDimensions();
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$this->vars['cssBlockDimensions'] = $this->getCssDimensions('block');
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$this->vars['useCaption'] = $this->useCaption;
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$this->vars['prompt'] = $this->getPromptText();
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}
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/**
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* Get the file record for this request, returns false if none available
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*
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* @return System\Models\File|false
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*/
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protected function getFileRecord()
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{
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$record = false;
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if (!empty(post('file_id'))) {
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$record = $this->getRelationModel()::find(post('file_id')) ?: false;
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}
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return $record;
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}
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/**
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* Get the instantiated config Form widget
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*
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* @return void
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*/
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public function getConfigFormWidget()
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{
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if ($this->configFormWidget) {
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return $this->configFormWidget;
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}
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$config = $this->makeConfig('~/modules/system/models/file/fields.yaml');
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$config->model = $this->getFileRecord() ?: $this->getRelationModel();
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$config->alias = $this->alias . $this->defaultAlias;
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$config->arrayName = $this->getFieldName();
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$widget = $this->makeWidget(Form::class, $config);
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$widget->bindToController();
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return $this->configFormWidget = $widget;
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}
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protected function getFileList()
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{
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$list = $this
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->getRelationObject()
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->withDeferred($this->sessionKey)
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->orderBy('sort_order')
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->get()
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;
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/*
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* Decorate each file with thumb and custom download path
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*/
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$list->each(function ($file) {
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$this->decorateFileAttributes($file);
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});
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return $list;
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}
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/**
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* Returns the display mode for the file upload. Eg: file-multi, image-single, etc.
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* @return string
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*/
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protected function getDisplayMode()
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{
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$mode = $this->getConfig('mode', 'image');
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if (str_contains($mode, '-')) {
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return $mode;
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}
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$relationType = $this->getRelationType();
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$mode .= ($relationType == 'attachMany' || $relationType == 'morphMany') ? '-multi' : '-single';
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return $mode;
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}
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/**
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* Returns the escaped and translated prompt text to display according to the type.
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* @return string
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*/
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protected function getPromptText()
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{
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if ($this->prompt === null) {
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$isMulti = ends_with($this->getDisplayMode(), 'multi');
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$this->prompt = $isMulti
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? 'backend::lang.fileupload.upload_file'
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: 'backend::lang.fileupload.default_prompt';
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}
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return str_replace('%s', '<i class="icon-upload"></i>', e(trans($this->prompt)));
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}
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/**
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* Returns the CSS dimensions for the uploaded image,
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* uses auto where no dimension is provided.
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* @param string $mode
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* @return string
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*/
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protected function getCssDimensions($mode = null)
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{
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if (!$this->imageWidth && !$this->imageHeight) {
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return '';
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}
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$cssDimensions = '';
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if ($mode == 'block') {
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$cssDimensions .= $this->imageWidth
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? 'width: '.$this->imageWidth.'px;'
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: 'width: '.$this->imageHeight.'px;';
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$cssDimensions .= ($this->imageHeight)
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? 'max-height: '.$this->imageHeight.'px;'
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: 'height: auto;';
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}
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else {
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$cssDimensions .= $this->imageWidth
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? 'width: '.$this->imageWidth.'px;'
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: 'width: auto;';
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$cssDimensions .= ($this->imageHeight)
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? 'max-height: '.$this->imageHeight.'px;'
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: 'height: auto;';
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}
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return $cssDimensions;
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}
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/**
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* Returns the specified accepted file types, or the default
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* based on the mode. Image mode will return:
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* - jpg,jpeg,bmp,png,gif,svg
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* @return string
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*/
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public function getAcceptedFileTypes($includeDot = false)
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{
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$types = $this->fileTypes;
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if ($types === false) {
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$isImage = starts_with($this->getDisplayMode(), 'image');
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$types = implode(',', FileDefinitions::get($isImage ? 'imageExtensions' : 'defaultExtensions'));
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}
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if (!$types || $types == '*') {
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return null;
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}
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if (!is_array($types)) {
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$types = explode(',', $types);
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}
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$types = array_map(function ($value) use ($includeDot) {
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$value = trim($value);
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if (substr($value, 0, 1) == '.') {
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$value = substr($value, 1);
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}
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if ($includeDot) {
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$value = '.'.$value;
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}
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return $value;
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}, $types);
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return implode(',', $types);
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}
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/**
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* Removes a file attachment.
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*/
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public function onRemoveAttachment()
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{
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$fileModel = $this->getRelationModel();
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if (($fileId = post('file_id')) && ($file = $fileModel::find($fileId))) {
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$this->getRelationObject()->remove($file, $this->sessionKey);
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}
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}
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/**
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* Sorts file attachments.
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*/
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public function onSortAttachments()
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{
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if ($sortData = post('sortOrder')) {
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$ids = array_keys($sortData);
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$orders = array_values($sortData);
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$fileModel = $this->getRelationModel();
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$fileModel->setSortableOrder($ids, $orders);
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}
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}
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/**
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* Loads the configuration form for an attachment, allowing title and description to be set.
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*/
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public function onLoadAttachmentConfig()
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{
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$fileModel = $this->getRelationModel();
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if ($file = $this->getFileRecord()) {
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$file = $this->decorateFileAttributes($file);
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$this->vars['file'] = $file;
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$this->vars['displayMode'] = $this->getDisplayMode();
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$this->vars['cssDimensions'] = $this->getCssDimensions();
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$this->vars['relationManageId'] = post('manage_id');
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$this->vars['relationField'] = post('_relation_field');
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return $this->makePartial('config_form');
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}
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throw new ApplicationException('Unable to find file, it may no longer exist');
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}
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/**
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* Commit the changes of the attachment configuration form.
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*/
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public function onSaveAttachmentConfig()
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{
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try {
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$formWidget = $this->getConfigFormWidget();
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if ($file = $formWidget->model) {
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$modelsToSave = $this->prepareModelsToSave($file, $formWidget->getSaveData());
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Db::transaction(function () use ($modelsToSave, $formWidget) {
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foreach ($modelsToSave as $modelToSave) {
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$modelToSave->save(null, $formWidget->getSessionKey());
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}
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});
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return ['displayName' => $file->title ?: $file->file_name];
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}
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throw new ApplicationException('Unable to find file, it may no longer exist');
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}
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catch (Exception $ex) {
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return json_encode(['error' => $ex->getMessage()]);
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}
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}
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/**
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* @inheritDoc
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*/
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protected function loadAssets()
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{
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$this->addCss('css/fileupload.css', 'core');
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$this->addJs('js/fileupload.js', 'core');
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}
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/**
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* @inheritDoc
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||
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*/
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|
|
public function getSaveValue($value)
|
||
|
|
{
|
||
|
|
return FormField::NO_SAVE_DATA;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Upload handler for the server-side processing of uploaded files
|
||
|
|
*/
|
||
|
|
public function onUpload()
|
||
|
|
{
|
||
|
|
try {
|
||
|
|
if (!Input::hasFile('file_data')) {
|
||
|
|
throw new ApplicationException('File missing from request');
|
||
|
|
}
|
||
|
|
|
||
|
|
$fileModel = $this->getRelationModel();
|
||
|
|
$uploadedFile = Input::file('file_data');
|
||
|
|
|
||
|
|
$validationRules = ['max:'.$fileModel::getMaxFilesize()];
|
||
|
|
if ($fileTypes = $this->getAcceptedFileTypes()) {
|
||
|
|
$validationRules[] = 'extensions:'.$fileTypes;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->mimeTypes) {
|
||
|
|
$validationRules[] = 'mimes:'.$this->mimeTypes;
|
||
|
|
}
|
||
|
|
|
||
|
|
$validation = Validator::make(
|
||
|
|
['file_data' => $uploadedFile],
|
||
|
|
['file_data' => $validationRules]
|
||
|
|
);
|
||
|
|
|
||
|
|
if ($validation->fails()) {
|
||
|
|
throw new ValidationException($validation);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$uploadedFile->isValid()) {
|
||
|
|
throw new ApplicationException('File is not valid');
|
||
|
|
}
|
||
|
|
|
||
|
|
$fileRelation = $this->getRelationObject();
|
||
|
|
|
||
|
|
$file = $fileModel;
|
||
|
|
$file->data = $uploadedFile;
|
||
|
|
$file->is_public = $fileRelation->isPublic();
|
||
|
|
$file->save();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Attach directly to the parent model if it exists and attachOnUpload has been set to true
|
||
|
|
* else attach via deferred binding
|
||
|
|
*/
|
||
|
|
$parent = $fileRelation->getParent();
|
||
|
|
if ($this->attachOnUpload && $parent && $parent->exists) {
|
||
|
|
$fileRelation->add($file);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$fileRelation->add($file, $this->sessionKey);
|
||
|
|
}
|
||
|
|
|
||
|
|
$file = $this->decorateFileAttributes($file);
|
||
|
|
|
||
|
|
$result = [
|
||
|
|
'id' => $file->id,
|
||
|
|
'thumb' => $file->thumbUrl,
|
||
|
|
'path' => $file->pathUrl
|
||
|
|
];
|
||
|
|
|
||
|
|
$response = Response::make($result, 200);
|
||
|
|
}
|
||
|
|
catch (Exception $ex) {
|
||
|
|
$response = Response::make($ex->getMessage(), 400);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds the bespoke attributes used internally by this widget.
|
||
|
|
* - thumbUrl
|
||
|
|
* - pathUrl
|
||
|
|
* @return System\Models\File
|
||
|
|
*/
|
||
|
|
protected function decorateFileAttributes($file)
|
||
|
|
{
|
||
|
|
$path = $thumb = $file->getPath();
|
||
|
|
|
||
|
|
if ($this->imageWidth || $this->imageHeight) {
|
||
|
|
$thumb = $file->getThumb($this->imageWidth, $this->imageHeight, $this->thumbOptions);
|
||
|
|
}
|
||
|
|
|
||
|
|
$file->pathUrl = $path;
|
||
|
|
$file->thumbUrl = $thumb;
|
||
|
|
|
||
|
|
return $file;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return max upload filesize in Mb
|
||
|
|
* @return integer
|
||
|
|
*/
|
||
|
|
protected function getUploadMaxFilesize()
|
||
|
|
{
|
||
|
|
$size = ini_get('upload_max_filesize');
|
||
|
|
if (preg_match('/^([\d\.]+)([KMG])$/i', $size, $match)) {
|
||
|
|
$pos = array_search($match[2], ['K', 'M', 'G']);
|
||
|
|
if ($pos !== false) {
|
||
|
|
$size = $match[1] * pow(1024, $pos + 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return floor($size / 1024 / 1024);
|
||
|
|
}
|
||
|
|
}
|