TIC #9569

1 files changed, 41 insertions, 0 deletions

diff --git a/db/migrations/5.1.10_coursememberadmission_courseid_type.php b/db/migrations/5.1.10_coursememberadmission_courseid_type.php
new file mode 100644
index 0000000..badb132
--- /dev/null
+++ b/db/migrations/5.1.10_coursememberadmission_courseid_type.php
@@ -0,0 +1,41 @@
+<?php
+class CourseMemberAdmissionCourseIdType extends Migration
+{
+    public function description()
+    {
+        return "Save course ids as JSON instead of plain text.";
+    }
+
+    public function up()
+    {
+        DBManager::get()->exec("
+            ALTER TABLE `coursememberadmissions`
+                ADD COLUMN `courses` JSON default NULL AFTER `course_id`
+        ");
+
+        DBManager::get()->exec("UPDATE `coursememberadmissions`
+                SET `courses` = JSON_ARRAY_APPEND('[]', '$', `course_id`)
+                WHERE `course_id` != ''
+                ");
+
+        DBManager::get()->exec("ALTER TABLE `coursememberadmissions`
+                DROP COLUMN `course_id`");
+
+    }
+
+    public function down()
+    {
+        $query = "ALTER TABLE `coursememberadmissions`
+                  ADD COLUMN `course_id` CHAR(32) CHARACTER SET `latin1` COLLATE `latin1_bin` NOT NULL DEFAULT ''";
+        DBManager::get()->exec($query);
+
+        $query = "UPDATE `coursememberadmissions`
+                  SET `course_id` = IFNULL(JSON_EXTRACT(`courses`, '$[0]'), '')";
+        DBManager::get()->exec($query);
+
+        $query = "ALTER TABLE `coursememberadmissions`
+                  DROP COLUMN `courses`";
+        DBManager::get()->exec($query);
+    }
+
+}