76 lines
2.6 KiB
PHP
76 lines
2.6 KiB
PHP
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<?php
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/*
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* add mz 2014-12-30
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* Class to create one pdf file from many documents
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*/
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class EcmMultiPdf {
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const TEMP_DIR = "temp/EcmMultiPdf/";
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const MY_PATH = "include/ECM/EcmMultiPdf/";
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private $outputfile;
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private $documents; // is two-dimensions array, $documents[i] = array('module'=>'moduleName', 'record'=>'record_id')
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private $status;
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private $count;
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private $temp_files; // array with temponary file names
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private $s; // class strings
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function __construct($documents, $outputfile = 'multi.pdf') {
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$this->documents = $documents;
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$this->outputfile = strtolower ( substr ( $outputfile, - 4 ) ) == '.pdf' ? strtolower ( substr ( $outputfile, 0, - 4 ) ) .'_'. create_guid () . '.pdf' : $outputfile .'_'. create_guid () . '.pdf';
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$this->count = sizeof ( $this->documents );
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$this->temp_files = array ();
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// create temp dir if not exists
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if (! is_dir ( self::TEMP_DIR ))
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mkdir ( self::TEMP_DIR );
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}
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/*
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* Function creates pdf
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* return:
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* file path on succes
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* -1: prepareDosc error
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* -2: mergeFiles error
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*/
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public function process() {
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if (! $this->prepareDocs ())
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return - 1;
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if (! $this->mergeFiles ())
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return - 2;
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$this->deleteTempFiles ();
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return self::TEMP_DIR . $this->outputfile;
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}
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private function prepareDocs() {
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if (! is_array ( $this->documents ) || $this->count == 0)
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return false;
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for($i = 0; $i < $this->count; $i ++) {
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$doc = ( array ) $this->documents [$i]; // cast from object to array when it's axaj call
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if (! is_array ( $doc ) || sizeof ( $doc ) != 2 || ! $doc ['module'] || ! $doc ['record'])
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return false;
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if (! file_exists ( 'modules/' . $doc ['module'] . '/createPDF.php' ))
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return false;
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include_once 'modules/' . $doc ['module'] . '/createPDF.php';
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$generator = 'create' . substr ( $doc ['module'], 0, - 1 ) . 'Pdf';
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$filename = basename ( $generator ( $doc ['record'], 'MULTIPDF' ) );
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$this->temp_files [$i] = $filename;
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}
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return true;
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}
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private function mergeFiles() {
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include_once self::MY_PATH . 'PDFMerger.php';
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$merger = new PDFMerger ();
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$errors = array ();
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for($i = 0; $i < $this->count; $i ++)
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if (file_exists ( self::TEMP_DIR . $this->temp_files [$i] ))
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$merger->addPDF ( self::TEMP_DIR . $this->temp_files [$i], 'all' );
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else
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return -2;
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if (!file_put_contents ( self::TEMP_DIR . $this->outputfile, $merger->merge ( 'string', $this->outputfile ) ));
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return -2;
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return true; // file is ready
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}
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private function deleteTempFiles() {
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if (sizeof ( $this->temp_files ) == 0)
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return;
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foreach ( $this->temp_files as $f )
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unlink ( self::TEMP_DIR . $f );
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}
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}
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?>
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