protected function create_submission_pdf(stdClass $submission)
{
global $DB;
$fs = get_file_storage();
$context = $this->assignment->get_context();
$coversheet = null;
$templateitems = null;
// Create a the required temporary folders.
$temparea = $this->get_temp_folder($submission->id);
$tempdestarea = $temparea . 'sub';
$destfile = $tempdestarea . '/' . ASSIGNSUBMISSION_PDF_FILENAME;
if (!file_exists($temparea) || !file_exists($tempdestarea)) {
if (!mkdir($temparea, 0777, true) || !mkdir($tempdestarea, 0777, true)) {
$errdata = (object) array('temparea' => $temparea, 'tempdestarea' => $tempdestarea);
throw new moodle_exception('errortempfolder', 'assignsubmission_pdf', '', null, $errdata);
}
}
// Get the coversheet details and copy the file to the temporary folder.
$coversheetfiles = $fs->get_area_files($context->id, 'assignsubmission_pdf', ASSIGNSUBMISSION_PDF_FA_COVERSHEET, false, '', false);
if ($coversheetfiles) {
$coversheetfile = reset($coversheetfiles);
// Only ever one coversheet file.
$coversheet = $tempdestarea . '/coversheet.pdf';
if (!$coversheetfile->copy_content_to($coversheet)) {
$errdata = (object) array('coversheet' => $coversheet);
throw new moodle_exception('errorcoversheet', 'assignsubmission_pdf', '', null, $errdata);
}
if ($templateid = $this->get_config('templateid')) {
$templateitems = $DB->get_records('assignsubmission_pdf_tmplit', array('templateid' => $templateid));
$templatedata = $DB->get_field('assignsubmission_pdf', 'templatedata', array('submission' => $submission->id));
if (!empty($templatedata)) {
$templatedata = unserialize($templatedata);
}
foreach ($templateitems as $item) {
if (isset($templatedata[$item->id])) {
$item->data = $templatedata[$item->id];
} else {
$item->data = '';
}
}
}
}
// Copy all the PDFs to the temporary folder.
$files = $fs->get_area_files($context->id, 'assignsubmission_pdf', ASSIGNSUBMISSION_PDF_FA_DRAFT, $submission->id, "sortorder, id", false);
$combinefiles = array();
foreach ($files as $file) {
$destpath = $temparea . '/' . $file->get_contenthash();
if (!$file->copy_content_to($destpath)) {
throw new moodle_exception('errorcopyfile', 'assignsubmission_pdf', '', $file->get_filename());
}
$combinefiles[] = $destpath;
}
// Combine all the submitted files and the coversheet.
$mypdf = new AssignPDFLib();
$pagecount = $mypdf->combine_pdfs($combinefiles, $destfile, $coversheet, $templateitems);
if (!$pagecount) {
return 0;
// No pages found in the submitted files - this shouldn't happen.
}
// Copy the combined file into the submission area.
$fs->delete_area_files($context->id, 'assignsubmission_pdf', ASSIGNSUBMISSION_PDF_FA_FINAL, $submission->id);
$fileinfo = array('contextid' => $context->id, 'component' => 'assignsubmission_pdf', 'filearea' => ASSIGNSUBMISSION_PDF_FA_FINAL, 'itemid' => $submission->id, 'filename' => ASSIGNSUBMISSION_PDF_FILENAME, 'filepath' => $this->get_subfolder());
$fs->create_file_from_pathname($fileinfo, $destfile);
// Clean up all the temporary files.
unlink($destfile);
if ($coversheet) {
unlink($coversheet);
}
foreach ($combinefiles as $combinefile) {
unlink($combinefile);
}
@rmdir($tempdestarea);
@rmdir($temparea);
return $pagecount;
}
public function test_combine_pdfs_coversheet_template()
{
$pdflist = array(self::pdf_path('1'), self::pdf_path('2'));
$coversheet = self::pdf_path('cover');
$outfile = $this->tempdir . '/testout.pdf';
$templatefields = array((object) array('xpos' => 100, 'ypos' => 100, 'type' => 'text', 'width' => 150, 'data' => 'Testing text'), (object) array('xpos' => 100, 'ypos' => 120, 'type' => 'shorttext', 'data' => 'Testing some shorttext'), (object) array('xpos' => 100, 'ypos' => 140, 'type' => 'date', 'setting' => 'd/m/Y'));
$this->assertFileNotExists($outfile);
$pdf = new AssignPDFLib();
$size = $pdf->combine_pdfs($pdflist, $outfile, $coversheet, $templatefields);
$this->assertEquals(20, $size);
$this->assertFileExists($outfile);
}
