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<?PHP |
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namespace WrkLst\DocxMustache; |
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use Exception; |
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use Illuminate\Support\Facades\Log; |
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//Custom DOCX template class to change content based on mustache templating engine. |
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class DocxMustache |
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{ |
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public $items; |
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public $word_doc; |
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public $template_file_name; |
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public $template_file; |
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public $local_path; |
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public $storageDisk; |
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public $storagePathPrefix; |
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public $zipper; |
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public $imageManipulation; |
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public $verbose; |
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public function __construct($items, $local_template_file) |
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{ |
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$this->items = $items; |
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$this->template_file_name = basename($local_template_file); |
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$this->template_file = $local_template_file; |
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$this->word_doc = false; |
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$this->zipper = new \Chumper\Zipper\Zipper; |
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//name of disk for storage |
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$this->storageDisk = 'local'; |
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//prefix within your storage path |
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$this->storagePathPrefix = 'app/'; |
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//if you use img urls that support manipulation via parameter |
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$this->imageManipulation = ''; //'&w=1800'; |
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$this->verbose = false; |
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} |
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public function execute() |
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{ |
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$this->copyTmplate(); |
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$this->readTeamplate(); |
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} |
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/** |
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* @param string $file |
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*/ |
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protected function storagePath($file) |
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{ |
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return storage_path($file); |
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} |
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/** |
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* @param string $msg |
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*/ |
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protected function log($msg) |
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{ |
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//introduce logging method here to keep track of process |
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// can be overwritten in extended class to log with custom preocess logger |
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if($this->verbose) |
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Log::error($msg); |
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} |
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public function cleanUpTmpDirs() |
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{ |
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$now = time(); |
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$isExpired = ($now - (60 * 240)); |
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$disk = \Storage::disk($this->storageDisk); |
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$all_dirs = $disk->directories($this->storagePathPrefix.'DocxMustache'); |
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foreach ($all_dirs as $dir) { |
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//delete dirs older than 20min |
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if ($disk->lastModified($dir) < $isExpired) |
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{ |
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$disk->deleteDirectory($dir); |
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} |
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} |
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} |
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public function getTmpDir() |
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{ |
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$this->cleanUpTmpDirs(); |
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$path = $this->storagePathPrefix.'DocxMustache/'.uniqid($this->template_file).'/'; |
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\File::makeDirectory($this->storagePath($path), 0775, true); |
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return $path; |
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} |
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public function copyTmplate() |
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{ |
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$this->log('Get Copy of Template'); |
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$this->local_path = $this->getTmpDir(); |
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\Storage::disk($this->storageDisk)->copy($this->storagePathPrefix.$this->template_file, $this->local_path.$this->template_file_name); |
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} |
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public function readTeamplate() |
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{ |
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$this->log('Analyze Template'); |
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//get the main document out of the docx archive |
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$this->zipper->make($this->storagePath($this->local_path.$this->template_file_name)) |
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->extractTo($this->storagePath($this->local_path), array('word/document.xml'), \Chumper\Zipper\Zipper::WHITELIST); |
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//if the main document exists |
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if ($this->word_doc = \Storage::disk($this->storageDisk)->get($this->local_path.'word/document.xml')) |
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{ |
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$this->log('Merge Data into Template'); |
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$this->word_doc = $this->MustacheTagCleaner($this->word_doc); |
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$this->word_doc = $this->MustacheRender($this->items, $this->word_doc); |
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$this->word_doc = $this->convertHtmlToOpenXML($this->word_doc); |
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$this->ImageReplacer(); |
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$this->log('Compact Template with Data'); |
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//store new content |
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\Storage::disk($this->storageDisk) |
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->put($this->local_path.'word/document.xml', $this->word_doc); |
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//add new content to word doc |
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$this->zipper->folder('word') |
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->add($this->storagePath($this->local_path.'word/document.xml')) |
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->close(); |
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} else |
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{ |
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throw new Exception('docx has no main xml doc.'); |
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} |
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} |
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protected function MustacheTagCleaner($content) |
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{ |
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//kills all xml tags within curly mustache brackets |
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//this is necessary, as word might produce unnecesary xml tage inbetween curly backets. |
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return preg_replace_callback( |
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'/{{(.*?)}}/', |
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function($treffer) { |
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return strip_tags($treffer[0]); |
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}, |
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$content |
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); |
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} |
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protected function MustacheRender($items, $mustache_template) |
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{ |
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$m = new \Mustache_Engine(array('escape' => function($value) { |
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if (str_replace('*[[DONOTESCAPE]]*', '', $value) != $value) |
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return str_replace('*[[DONOTESCAPE]]*', '', $value); |
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return htmlspecialchars($value, ENT_COMPAT, 'UTF-8'); |
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})); |
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return $m->render($mustache_template, $items); |
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} |
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protected function AddContentType($imageCt="jpeg") |
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{ |
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//get content type file from archive |
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$this->zipper->make($this->storagePath($this->local_path.$this->template_file_name)) |
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->extractTo($this->storagePath($this->local_path), array('[Content_Types].xml'), \Chumper\Zipper\Zipper::WHITELIST); |
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// load content type file xml |
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$ct_file = simplexml_load_file($this->storagePath($this->local_path.'[Content_Types].xml')); |
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//check if content type for jpg has been set |
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$i = 0; |
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$ct_already_set = false; |
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foreach ($ct_file as $ct) |
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{ |
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if ((string) $ct_file->Default[$i]['Extension'] == $imageCt) |
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$ct_already_set = true; |
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$i++; |
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} |
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//if content type for jpg has not been set, add it to xml |
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// and save xml to file and add it to the archive |
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if (!$ct_already_set) |
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{ |
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$sxe = $ct_file->addChild('Default'); |
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$sxe->addAttribute('Extension', $imageCt); |
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$sxe->addAttribute('ContentType', 'image/'.$imageCt); |
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View Code Duplication |
if ($ct_file_xml = $ct_file->asXML()) |
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{ |
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\Storage::disk($this->storageDisk)->put($this->local_path.'[Content_Types].xml', $ct_file_xml); |
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$this->zipper->add($this->storagePath($this->local_path.'[Content_Types].xml')); |
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} else |
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{ |
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throw new Exception('Cannot generate xml for [Content_Types].xml.'); |
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} |
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} |
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} |
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protected function FetchReplaceableImages(&$main_file, $ns) |
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{ |
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//set up basic arrays to keep track of imgs |
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$imgs = array(); |
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$imgs_replaced = array(); // so they can later be removed from media and relation file. |
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$newIdCounter = 1; |
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//iterate through all drawing containers of the xml document |
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foreach ($main_file->xpath('//w:drawing') as $k=>$drawing) |
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{ |
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$ueid = "wrklstId".$newIdCounter; |
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$wasId = (string) $main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->children($ns['a'])->graphic->graphicData->children($ns['pic'])->pic->blipFill->children($ns['a'])->blip->attributes($ns['r'])["embed"]; |
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$imgs_replaced[$wasId] = $wasId; |
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$main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->children($ns['a'])->graphic->graphicData->children($ns['pic'])->pic->blipFill->children($ns['a'])->blip->attributes($ns['r'])["embed"] = $ueid; |
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$cx = (int) $main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->children($ns['a'])->graphic->graphicData->children($ns['pic'])->pic->spPr->children($ns['a'])->xfrm->ext->attributes()["cx"]; |
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$cy = (int) $main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->children($ns['a'])->graphic->graphicData->children($ns['pic'])->pic->spPr->children($ns['a'])->xfrm->ext->attributes()["cy"]; |
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//figure out if there is a URL saved in the description field of the img |
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$img_url = $this->analyseImgUrlString((string) $drawing->children($ns['wp'])->xpath('wp:docPr')[0]->attributes()["descr"]); |
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$main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->xpath('wp:docPr')[0]->attributes()["descr"] = $img_url["rest"]; |
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//check https://startbigthinksmall.wordpress.com/2010/01/04/points-inches-and-emus-measuring-units-in-office-open-xml/ |
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// for EMUs calculation |
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/* |
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295px @72 dpi = 1530350 EMUs = Multiplier for 72dpi pixels 5187.627118644067797 |
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413px @72 dpi = 2142490 EMUs = Multiplier for 72dpi pixels 5187.627118644067797 |
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*/ |
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//if there is a url, save this img as a img to be replaced |
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if (trim($img_url["url"])) |
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{ |
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$imgs[] = array( |
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"cx" => $cx, |
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"cy" => $cy, |
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"width" => (int) ($cx / 5187.627118644067797), |
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"height" => (int) ($cy / 5187.627118644067797), |
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"wasId" => $wasId, |
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"id" => $ueid, |
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"url" => $img_url["url"], |
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); |
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$newIdCounter++; |
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} |
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} |
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return array( |
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'imgs' => $imgs, |
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'imgs_replaced' => $imgs_replaced |
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); |
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} |
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protected function RemoveReplaceImages($imgs_replaced, &$rels_file) |
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{ |
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//iterate through replaced images and clean rels files from them |
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foreach ($imgs_replaced as $img_replaced) |
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{ |
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$i = 0; |
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foreach ($rels_file as $rel) |
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{ |
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if ((string) $rel->attributes()['Id'] == $img_replaced) |
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{ |
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$this->zipper->remove('word/'.(string) $rel->attributes()['Target']); |
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unset($rels_file->Relationship[$i]); |
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} |
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$i++; |
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} |
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} |
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} |
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protected function InsertImages($ns, &$imgs, &$rels_file, &$main_file) |
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{ |
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//define what images are allowed |
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$allowed_imgs = array( |
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'image/gif' => '.gif', |
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'image/jpeg' => '.jpeg', |
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'image/png' => '.png', |
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'image/bmp' => '.bmp', |
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); |
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//iterate through replacable images |
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foreach ($imgs as $k=>$img) |
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{ |
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//get file type of img and test it against supported imgs |
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if ($img_file_handle = fopen($img['url'].$this->imageManipulation, "rb")) |
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{ |
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$img_data = stream_get_contents($img_file_handle); |
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fclose($img_file_handle); |
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$fi = new \finfo(FILEINFO_MIME); |
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$image_mime = strstr($fi->buffer($img_data), ';', true); |
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//dd($image_mime); |
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if (isset($allowed_imgs[$image_mime])) |
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{ |
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$imgs[$k]['img_file_src'] = str_replace("wrklstId", "wrklst_image", $img['id']).$allowed_imgs[$image_mime]; |
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$imgs[$k]['img_file_dest'] = str_replace("wrklstId", "wrklst_image", $img['id']).'.jpeg'; |
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\Storage::disk($this->storageDisk)->put($this->local_path.'word/media/'.$imgs[$k]['img_file_src'], $img_data); |
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//rework img to new size and jpg format |
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$img_rework = \Image::make($this->storagePath($this->local_path.'word/media/'.$imgs[$k]['img_file_src'])); |
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$w = $img['width']; |
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$h = $img['height']; |
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if ($w > $h) |
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$h = null; |
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else |
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$w = null; |
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$img_rework->resize($w, $h, function($constraint) { |
|
298
|
|
|
$constraint->aspectRatio(); |
|
299
|
|
|
$constraint->upsize(); |
|
300
|
|
|
}); |
|
301
|
|
|
$new_height = $img_rework->height(); |
|
302
|
|
|
$new_width = $img_rework->width(); |
|
303
|
|
|
$img_rework->save($this->storagePath($this->local_path.'word/media/'.$imgs[$k]['img_file_dest'])); |
|
304
|
|
|
|
|
305
|
|
|
$this->zipper->folder('word/media')->add($this->storagePath($this->local_path.'word/media/'.$imgs[$k]['img_file_dest'])); |
|
306
|
|
|
|
|
307
|
|
|
$sxe = $rels_file->addChild('Relationship'); |
|
308
|
|
|
$sxe->addAttribute('Id', $img['id']); |
|
309
|
|
|
$sxe->addAttribute('Type', "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image"); |
|
310
|
|
|
$sxe->addAttribute('Target', "media/".$imgs[$k]['img_file_dest']); |
|
311
|
|
|
|
|
312
|
|
|
//update height and width of image in document.xml |
|
313
|
|
|
$new_height_emus = (int) ($new_height * 5187.627118644067797); |
|
314
|
|
|
$new_width_emus = (int) ($new_width * 5187.627118644067797); |
|
315
|
|
|
foreach ($main_file->xpath('//w:drawing') as $k=>$drawing) |
|
316
|
|
|
{ |
|
317
|
|
|
if ($img['id'] == $main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->children($ns['a'])->graphic->graphicData->children($ns['pic'])->pic->blipFill->children($ns['a'])->blip->attributes($ns['r'])["embed"]) |
|
318
|
|
|
{ |
|
319
|
|
|
$main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->children($ns['a'])->graphic->graphicData->children($ns['pic'])->pic->spPr->children($ns['a'])->xfrm->ext->attributes()["cx"] = $new_width_emus; |
|
320
|
|
|
$main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->children($ns['a'])->graphic->graphicData->children($ns['pic'])->pic->spPr->children($ns['a'])->xfrm->ext->attributes()["cy"] = $new_height_emus; |
|
321
|
|
|
|
|
322
|
|
|
//the following also changes the contraints of the container for the img. |
|
323
|
|
|
// probably not wanted, as this will make images larger than the constraints of the placeholder |
|
324
|
|
|
/* |
|
325
|
|
|
$main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->inline->extent->attributes()["cx"] = $new_width_emus; |
|
326
|
|
|
$main_file->xpath('//w:drawing')[$k]->children($ns['wp'])->inline->extent->attributes()["cy"] = $new_height_emus; |
|
327
|
|
|
*/ |
|
328
|
|
|
break; |
|
329
|
|
|
} |
|
330
|
|
|
} |
|
331
|
|
|
} |
|
332
|
|
|
} |
|
333
|
|
|
} |
|
334
|
|
|
} |
|
335
|
|
|
|
|
336
|
|
|
protected function ImageReplacer() |
|
337
|
|
|
{ |
|
338
|
|
|
$this->log('Merge Images into Template'); |
|
339
|
|
|
|
|
340
|
|
|
//load main doc xml |
|
341
|
|
|
$main_file = simplexml_load_string($this->word_doc); |
|
342
|
|
|
|
|
343
|
|
|
//get all namespaces of the document |
|
344
|
|
|
$ns = $main_file->getNamespaces(true); |
|
345
|
|
|
|
|
346
|
|
|
$replaceableImage = $this->FetchReplaceableImages($main_file, $ns); |
|
347
|
|
|
$imgs = $replaceableImage['imgs']; |
|
348
|
|
|
$imgs_replaced = $replaceableImage['imgs_replaced']; |
|
349
|
|
|
|
|
350
|
|
|
|
|
351
|
|
|
//get relation xml file for img relations |
|
352
|
|
|
$this->zipper->make($this->storagePath($this->local_path.$this->template_file_name)) |
|
353
|
|
|
->extractTo($this->storagePath($this->local_path), array('word/_rels/document.xml.rels'), \Chumper\Zipper\Zipper::WHITELIST); |
|
354
|
|
|
|
|
355
|
|
|
//load img relations into xml |
|
356
|
|
|
$rels_file = simplexml_load_file($this->storagePath($this->local_path.'word/_rels/document.xml.rels')); |
|
357
|
|
|
|
|
358
|
|
|
$this->RemoveReplaceImages($imgs_replaced, $rels_file); |
|
359
|
|
|
|
|
360
|
|
|
//add jpg content type if not set |
|
361
|
|
|
$this->AddContentType('jpeg'); |
|
362
|
|
|
|
|
363
|
|
|
$this->InsertImages($ns, $imgs, $rels_file, $main_file); |
|
364
|
|
|
|
|
365
|
|
View Code Duplication |
if ($rels_file_xml = $rels_file->asXML()) |
|
366
|
|
|
{ |
|
367
|
|
|
\Storage::disk($this->storageDisk)->put($this->local_path.'word/_rels/document.xml.rels', $rels_file_xml); |
|
368
|
|
|
$this->zipper->folder('word/_rels')->add($this->storagePath($this->local_path.'word/_rels/document.xml.rels')); |
|
369
|
|
|
} else |
|
370
|
|
|
{ |
|
371
|
|
|
throw new Exception('Cannot generate xml for word/_rels/document.xml.rels.'); |
|
372
|
|
|
} |
|
373
|
|
|
|
|
374
|
|
|
if ($main_file_xml = $main_file->asXML()) |
|
375
|
|
|
{ |
|
376
|
|
|
$this->word_doc = $main_file_xml; |
|
377
|
|
|
} else |
|
378
|
|
|
{ |
|
379
|
|
|
throw new Exception('Cannot generate xml for word/document.xml.'); |
|
380
|
|
|
} |
|
381
|
|
|
} |
|
382
|
|
|
|
|
383
|
|
|
/** |
|
384
|
|
|
* @param string $string |
|
385
|
|
|
*/ |
|
386
|
|
|
protected function analyseImgUrlString($string) |
|
387
|
|
|
{ |
|
388
|
|
|
$start = "[IMG-REPLACE]"; |
|
389
|
|
|
$end = "[/IMG-REPLACE]"; |
|
390
|
|
|
$string = ' '.$string; |
|
391
|
|
|
$ini = strpos($string, $start); |
|
392
|
|
|
if ($ini == 0) |
|
393
|
|
|
{ |
|
394
|
|
|
$url = ''; |
|
395
|
|
|
$rest = $string; |
|
396
|
|
|
} else |
|
397
|
|
|
{ |
|
398
|
|
|
$ini += strlen($start); |
|
399
|
|
|
$len = ((strpos($string, $end, $ini)) - $ini); |
|
400
|
|
|
$url = substr($string, $ini, $len); |
|
401
|
|
|
|
|
402
|
|
|
$ini = strpos($string, $start); |
|
403
|
|
|
$len = strpos($string, $end, $ini + strlen($start)) + strlen($end); |
|
404
|
|
|
$rest = substr($string, 0, $ini).substr($string, $len); |
|
405
|
|
|
} |
|
406
|
|
|
return array( |
|
407
|
|
|
"url" => $url, |
|
408
|
|
|
"rest" => $rest, |
|
409
|
|
|
); |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
protected function convertHtmlToOpenXMLTag($value, $tag = "b") |
|
413
|
|
|
{ |
|
414
|
|
|
$value_array = array(); |
|
415
|
|
|
$run_again = false; |
|
416
|
|
|
//this could be used instead if html was already escaped |
|
417
|
|
|
/* |
|
418
|
|
|
$bo = "<"; |
|
419
|
|
|
$bc = ">"; |
|
420
|
|
|
*/ |
|
421
|
|
|
$bo = "<"; |
|
422
|
|
|
$bc = ">"; |
|
423
|
|
|
|
|
424
|
|
|
//get first BOLD |
|
425
|
|
|
$tag_open_values = explode($bo.$tag.$bc, $value, 2); |
|
426
|
|
|
|
|
427
|
|
|
if (count($tag_open_values) > 1) |
|
428
|
|
|
{ |
|
429
|
|
|
//save everything before the bold and close it |
|
430
|
|
|
$value_array[] = $tag_open_values[0]; |
|
431
|
|
|
$value_array[] = '</w:t></w:r>'; |
|
432
|
|
|
|
|
433
|
|
|
//define styling parameters |
|
434
|
|
|
$wrPr_open = strrpos($tag_open_values[0], '<w:rPr>'); |
|
435
|
|
|
$wrPr_close = strrpos($tag_open_values[0], '</w:rPr>', $wrPr_open); |
|
436
|
|
|
$neutral_style = '<w:r><w:rPr>'.substr($tag_open_values[0], ($wrPr_open + 7), ($wrPr_close - ($wrPr_open + 7))).'</w:rPr><w:t>'; |
|
437
|
|
|
$tagged_style = '<w:r><w:rPr><w:'.$tag.'/>'.substr($tag_open_values[0], ($wrPr_open + 7), ($wrPr_close - ($wrPr_open + 7))).'</w:rPr><w:t>'; |
|
438
|
|
|
|
|
439
|
|
|
//open new text run and make it bold, include previous styling |
|
440
|
|
|
$value_array[] = $tagged_style; |
|
441
|
|
|
//get everything before bold close and after |
|
442
|
|
|
$tag_close_values = explode($bo.'/'.$tag.$bc, $tag_open_values[1], 2); |
|
443
|
|
|
//add bold text |
|
444
|
|
|
$value_array[] = $tag_close_values[0]; |
|
445
|
|
|
//close bold run |
|
446
|
|
|
$value_array[] = '</w:t></w:r>'; |
|
447
|
|
|
//open run for after bold |
|
448
|
|
|
$value_array[] = $neutral_style; |
|
449
|
|
|
$value_array[] = $tag_close_values[1]; |
|
450
|
|
|
|
|
451
|
|
|
$run_again = true; |
|
452
|
|
|
} else { |
|
453
|
|
|
$value_array[] = $tag_open_values[0]; |
|
454
|
|
|
} |
|
455
|
|
|
|
|
456
|
|
|
$value = implode('', $value_array); |
|
457
|
|
|
|
|
458
|
|
|
if ($run_again) { |
|
459
|
|
|
$value = $this->convertHtmlToOpenXMLTag($value, $tag); |
|
460
|
|
|
} |
|
461
|
|
|
|
|
462
|
|
|
return $value; |
|
463
|
|
|
} |
|
464
|
|
|
|
|
465
|
|
|
/** |
|
466
|
|
|
* @param string $value |
|
467
|
|
|
*/ |
|
468
|
|
|
protected function convertHtmlToOpenXML($value) |
|
469
|
|
|
{ |
|
470
|
|
|
$line_breaks = array("<br />", "<br/>", "<br>", "<br />", "<br/>", "<br>"); |
|
471
|
|
|
$value = str_replace($line_breaks, '<w:br/>', $value); |
|
472
|
|
|
|
|
473
|
|
|
$value = $this->convertHtmlToOpenXMLTag($value, "b"); |
|
474
|
|
|
$value = $this->convertHtmlToOpenXMLTag($value, "i"); |
|
475
|
|
|
$value = $this->convertHtmlToOpenXMLTag($value, "u"); |
|
476
|
|
|
|
|
477
|
|
|
return $value; |
|
478
|
|
|
} |
|
479
|
|
|
|
|
480
|
|
|
public function saveAsPdf() |
|
481
|
|
|
{ |
|
482
|
|
|
$this->log('Converting DOCX to PDF'); |
|
483
|
|
|
//convert to pdf with libre office |
|
484
|
|
|
$command = "soffice --headless --convert-to pdf ".$this->storagePath($this->local_path.$this->template_file_name).' --outdir '.$this->storagePath($this->local_path); |
|
485
|
|
|
$process = new \Symfony\Component\Process\Process($command); |
|
486
|
|
|
$process->start(); |
|
487
|
|
|
while ($process->isRunning()) { |
|
488
|
|
|
//wait until process is ready |
|
489
|
|
|
} |
|
490
|
|
|
// executes after the command finishes |
|
491
|
|
|
if (!$process->isSuccessful()) { |
|
492
|
|
|
throw new \Symfony\Component\Process\Exception\ProcessFailedException($process); |
|
493
|
|
|
} else |
|
494
|
|
|
{ |
|
495
|
|
|
$path_parts = pathinfo($this->storagePath($this->local_path.$this->template_file_name)); |
|
496
|
|
|
return $this->storagePath($this->local_path.$path_parts['filename'].'pdf'); |
|
497
|
|
|
} |
|
498
|
|
|
} |
|
499
|
|
|
} |
|
500
|
|
|
|
wrklst /
docxmustache
