Resolve "OER Campus: Data too long for column 'content_type'"

db/migrations/1.328_resize_oer_content_type_length.php

+<?php
+
+class ResizeOerContentTypeLength extends \Migration
+{
+    public function description()
+    {
+        return 'Makes the database field of oer_material`s content_type longer so that it is conform to the rfc.';
+    }
+
+    public function up()
+    {
+        \DBManager::get()->exec("
+            ALTER TABLE `oer_material`
+            CHANGE COLUMN `content_type` `content_type` varchar(256) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL
+        ");
+    }
+
+    public function down()
+    {
+        \DBManager::get()->exec("
+            ALTER TABLE `oer_material`
+            CHANGE COLUMN `content_type` `content_type` varchar(64) NOT NULL
+        ");
+    }
+}