diff --git a/course/deletesection.php b/course/deletesection.php new file mode 100644 index 0000000..e112b38 --- /dev/null +++ b/course/deletesection.php @@ -0,0 +1,82 @@ +course)) { + error("Could not find the course!"); + } + + if ( $section->section == 0) { + error("Course section 0 (main) could not be deleted"); + } + + require_login($course->id); + + require_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, $course->id)); + + if (! $delete) { + $delete_section = get_string("deletesection"); + $delete_section_check = get_string("deletesectioncheck", '', $section->section); + + $navlinks[] = array('name' => $delete_section, 'link' => null, 'type' => 'misc'); + $navigation = build_navigation($navlinks); + + print_header("$course->shortname: $delete_section", $site->fullname, $navigation); + + notice_yesno("{$delete_section_check}", "deletesection.php?id=$section->id&delete=".md5($course->timemodified)."&sesskey={$USER->sesskey}", + "view.php?id={$course->id}"); + + print_footer($course); + exit; + } + + if ($delete != md5($course->timemodified)) { + error("The check variable was wrong - try again"); + } + + if (!confirm_sesskey()) { + print_error('confirmsesskeybad', 'error'); + } + + // OK checks done + + // delete all modules if they exist + if (!empty($section->sequence) ) { + $modids = split(',', $section->sequence); + foreach($modids AS $modid) { + deletesection_delete_module($modid); + } + } + + // remove the section and update the course.numsections and sections order + deletesection_delete_and_reorder($section, $course); + + $strdeletingsection= get_string("deletingsection", "", format_string($course->shortname)); + + $navlinks[] = array('name' => $strdeletingsection, 'link' => null, 'type' => 'misc'); + $navigation = build_navigation($navlinks); + + print_header("$course->shortname: $strdeletingsection", $site->fullname, $navigation); + + print_heading($strdeletingsection); + + redirect("view.php?id=$course->id"); + + print_heading( get_string("deletedsection") ); + + print_continue("view.php?id=$course->id"); + + print_footer($course); +?> diff --git a/course/deletesectionlib.php b/course/deletesectionlib.php new file mode 100644 index 0000000..02fb988 --- /dev/null +++ b/course/deletesectionlib.php @@ -0,0 +1,65 @@ +instance = $cm->instance; + $mod->coursemodule = $cm->id; + $mod->course = $course->id; + $mod->section = $section->id; + + $sql = "SELECT md.name + FROM {$CFG->prefix}course_modules cm + JOIN {$CFG->prefix}modules md + ON md.id = cm.module + WHERE cm.id = '{$cm->id}'"; + + if (!$modname = get_field_sql($sql)){ + error('Invalid course module id!'); + } + + $mod->modulename = clean_param($modname, PARAM_SAFEDIR); // For safety + $modlib = "$CFG->dirroot/mod/$mod->modulename/lib.php"; + + if (file_exists($modlib)) { + include_once($modlib); + } else { + error("This module is missing important code! ($modlib)"); + } + + $deleteinstancefunction = $mod->modulename."_delete_instance"; + if (! $deleteinstancefunction($mod->instance)) { + notify("Could not delete the $mod->modulename (instance)"); + } + if (! delete_course_module($mod->coursemodule)) { + notify("Could not delete the $mod->modulename (coursemodule)"); + } + if (! delete_mod_from_section($mod->coursemodule, "$mod->section")) { + notify("Could not delete the $mod->modulename from that section"); + } +} + +function deletesection_delete_and_reorder($section, $course) { + global $CFG; + + if (!delete_records("course_sections", "id", $section->id)) { + error("Could not delete Course section"); + } + + execute_sql("UPDATE {$CFG->prefix}course_sections + SET section = section - 1 + WHERE course = {$course->id} + AND section > {$section->section}", false); + + execute_sql("UPDATE {$CFG->prefix}course + SET numsections = numsections - 1 + WHERE id = {$course->id}", false); + + add_to_log($course->id, "course", "deletesection", "deletesection.php?id=$section->id", "$section->section"); +} + +?> diff --git a/course/format/topics/format.php b/course/format/topics/format.php index 62ca069..193ced8 100644 --- a/course/format/topics/format.php +++ b/course/format/topics/format.php @@ -54,6 +54,7 @@ $strtopic = get_string('topic'); $strgroups = get_string('groups'); $strgroupmy = get_string('groupmy'); + $strdeletesection = get_string('deletesection'); $editing = $PAGE->user_is_editing(); if ($editing) { @@ -219,6 +220,7 @@ echo ''; echo ''; + if ($displaysection == $section) { // Show the zoom boxes echo ''. ''.$strshowalltopics.'
'; @@ -255,6 +257,9 @@ ''.$strmovedown.'
'; } + echo ''. + ''.$strdeletesection.'
'; } echo ''; diff --git a/course/format/weeks/format.php b/course/format/weeks/format.php index 64f3f77..2b0dd08 100644 --- a/course/format/weeks/format.php +++ b/course/format/weeks/format.php @@ -40,6 +40,7 @@ $strweek = get_string('week'); $strgroups = get_string('groups'); $strgroupmy = get_string('groupmy'); + $strdeletesection = get_string('deletesection'); $editing = $PAGE->user_is_editing(); if ($editing) { @@ -244,6 +245,10 @@ echo ''. ''.$strmovedown.'
'; } + + echo ''. + ''.$strdeletesection.'
'; } echo ''; diff --git a/course/rest.php b/course/rest.php index e7e08a6..8a85449 100644 --- a/course/rest.php +++ b/course/rest.php @@ -193,6 +193,26 @@ switch($_SERVER['REQUEST_METHOD']) { "view.php?id=$courseid", "$mod->name $cm->instance", $cm->id); break; + case 'section': + require('deletesectionlib.php'); + + if (!$section = get_record('course_sections','course',$course->id,'section',$sectionid)) { + error_log('AJAX commands.php: Bad section ID '.$sectionid); + die; + } + + // delete all modules if they exist + if (!empty($section->sequence) ) { + $modids = split(',', $section->sequence); + foreach($modids AS $modid) { + deletesection_delete_module($modid); + } + } + + // remove the section and update the course.numsections and sections order + deletesection_delete_and_reorder($section, $course); + + rebuild_course_cache($course->id); } break; } diff --git a/lang/en_utf8/moodle.php b/lang/en_utf8/moodle.php index d2a44e7..2b8545a 100644 --- a/lang/en_utf8/moodle.php +++ b/lang/en_utf8/moodle.php @@ -406,10 +406,13 @@ $string['deletedactivity'] = 'Deleted $a'; $string['deletedcourse'] = '$a has been completely deleted'; $string['deletednot'] = 'Could not delete $a !'; $string['deletelogs'] = 'Delete logs'; +$string['deletesection'] = 'Delete section'; +$string['deletesectioncheck'] = 'Are you sure you want to delete section $a? All activities and resources within this section will be deleted. This operation cannot be undone.'; $string['deleteselected'] = 'Delete selected'; $string['deleteselectedkey'] = 'Delete selected key'; $string['deletingcourse'] = 'Deleting $a'; $string['deletingexistingcoursedata'] = 'Deleting existing course data'; +$string['deletingsection'] = 'Deleting section'; $string['deletingolddata'] = 'Deleting old data'; $string['department'] = 'Department'; $string['desc'] = 'Descending';