protected function setUp() { // Skip this test if ghostscript is not supported. if (!pdf::test_gs_path(false)) { $this->markTestSkipped('Ghostscript not setup'); return; } parent::setUp(); }
/** * This function takes the combined pdf and embeds all the comments and annotations. * * This also moves the annotations and comments from drafts to not drafts. And it will * copy all the images stored to the readonly area, so that they can be viewed online, and * not be overwritten when a new submission is sent. * * @param int|\assign $assignment * @param int $userid * @param int $attemptnumber (-1 means latest attempt) * @return stored_file */ public static function generate_feedback_document($assignment, $userid, $attemptnumber) { $assignment = self::get_assignment_from_param($assignment); if (!$assignment->can_view_submission($userid)) { \print_error('nopermission'); } if (!$assignment->can_grade()) { \print_error('nopermission'); } // Need to generate the page images - first get a combined pdf. $file = self::get_combined_pdf_for_attempt($assignment, $userid, $attemptnumber); if (!$file) { throw new \moodle_exception('Could not generate combined pdf.'); } $tmpdir = \make_temp_directory('assignfeedback_editpdf/final/' . self::hash($assignment, $userid, $attemptnumber)); $combined = $tmpdir . '/' . self::COMBINED_PDF_FILENAME; $file->copy_content_to($combined); // Copy the file. $pdf = new pdf(); $fs = \get_file_storage(); $stamptmpdir = \make_temp_directory('assignfeedback_editpdf/stamps/' . self::hash($assignment, $userid, $attemptnumber)); $grade = $assignment->get_user_grade($userid, true, $attemptnumber); // Copy any new stamps to this instance. if ($files = $fs->get_area_files($assignment->get_context()->id, 'assignfeedback_editpdf', 'stamps', $grade->id, "filename", false)) { foreach ($files as $file) { $filename = $stamptmpdir . '/' . $file->get_filename(); $file->copy_content_to($filename); // Copy the file. } } $pagecount = $pdf->set_pdf($combined); $grade = $assignment->get_user_grade($userid, true, $attemptnumber); page_editor::release_drafts($grade->id); for ($i = 0; $i < $pagecount; $i++) { $pdf->copy_page(); $comments = page_editor::get_comments($grade->id, $i, false); $annotations = page_editor::get_annotations($grade->id, $i, false); foreach ($comments as $comment) { $pdf->add_comment($comment->rawtext, $comment->x, $comment->y, $comment->width, $comment->colour); } foreach ($annotations as $annotation) { $pdf->add_annotation($annotation->x, $annotation->y, $annotation->endx, $annotation->endy, $annotation->colour, $annotation->type, $annotation->path, $stamptmpdir); } } fulldelete($stamptmpdir); $filename = self::get_downloadable_feedback_filename($assignment, $userid, $attemptnumber); $filename = clean_param($filename, PARAM_FILE); $generatedpdf = $tmpdir . '/' . $filename; $pdf->save_pdf($generatedpdf); $record = new \stdClass(); $record->contextid = $assignment->get_context()->id; $record->component = 'assignfeedback_editpdf'; $record->filearea = self::FINAL_PDF_FILEAREA; $record->itemid = $grade->id; $record->filepath = '/'; $record->filename = $filename; // Only keep one current version of the generated pdf. $fs->delete_area_files($record->contextid, $record->component, $record->filearea, $record->itemid); $file = $fs->create_file_from_pathname($record, $generatedpdf); // Cleanup. @unlink($generatedpdf); @unlink($combined); @rmdir($tmpdir); self::copy_pages_to_readonly_area($assignment, $grade); return $file; }