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https://github.com/moodle/moodle.git
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67 lines
2.6 KiB
PHP
67 lines
2.6 KiB
PHP
<?php
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/************** add end of branch ************************************/
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if (!isteacher($course->id)) {
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error("Only teachers can look at this page");
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}
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confirm_sesskey();
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// first get the preceeding page
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$pageid = required_param('pageid', PARAM_INT);
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$timenow = time();
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// the new page is not the first page (end of branch always comes after an existing page)
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if (!$page = get_record("lesson_pages", "id", $pageid)) {
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error("Add end of branch: page record not found");
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}
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// chain back up to find the (nearest branch table)
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$btpageid = $pageid;
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if (!$btpage = get_record("lesson_pages", "id", $btpageid)) {
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error("Add end of branch: btpage record not found");
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}
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while (($btpage->qtype != LESSON_BRANCHTABLE) AND ($btpage->prevpageid > 0)) {
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$btpageid = $btpage->prevpageid;
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if (!$btpage = get_record("lesson_pages", "id", $btpageid)) {
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error("Add end of branch: btpage record not found");
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}
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}
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if ($btpage->qtype == LESSON_BRANCHTABLE) {
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$newpage = new stdClass;
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$newpage->lessonid = $lesson->id;
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$newpage->prevpageid = $pageid;
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$newpage->nextpageid = $page->nextpageid;
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$newpage->qtype = LESSON_ENDOFBRANCH;
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$newpage->timecreated = $timenow;
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$newpage->title = get_string("endofbranch", "lesson");
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$newpage->contents = get_string("endofbranch", "lesson");
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if (!$newpageid = insert_record("lesson_pages", $newpage)) {
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error("Insert page: new page not inserted");
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}
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// update the linked list...
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if (!set_field("lesson_pages", "nextpageid", $newpageid, "id", $pageid)) {
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error("Add end of branch: unable to update link");
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}
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if ($page->nextpageid) {
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// the new page is not the last page
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if (!set_field("lesson_pages", "prevpageid", $newpageid, "id", $page->nextpageid)) {
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error("Insert page: unable to update previous link");
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}
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}
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// ..and the single "answer"
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$newanswer = new stdClass;
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$newanswer->lessonid = $lesson->id;
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$newanswer->pageid = $newpageid;
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$newanswer->timecreated = $timenow;
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$newanswer->jumpto = $btpageid;
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if(!$newanswerid = insert_record("lesson_answers", $newanswer)) {
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error("Add end of branch: answer record not inserted");
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}
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redirect("view.php?id=$cm->id", get_string('addedanendofbranch', 'lesson'));
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} else {
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notice(get_string("nobranchtablefound", "lesson"), "view.php?id=$cm->id");
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}
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?>
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