feat: Implement user enrollment interaction to assign a random class role and add new role configurations.

src/modules/class/class.service.ts

@@ -64,5 +64,22 @@ export const classService = {
             return updatedClass;
         };
         return tx ? await execute(tx) : await DrizzleClient.transaction(execute);
+    },
+
+    createClass: async (data: typeof classes.$inferInsert, tx?: any) => {
+        const execute = async (txFn: any) => {
+            const [newClass] = await txFn.insert(classes)
+                .values(data)
+                .returning();
+            return newClass;
+        };
+        return tx ? await execute(tx) : await DrizzleClient.transaction(execute);
+    },
+
+    deleteClass: async (id: bigint, tx?: any) => {
+        const execute = async (txFn: any) => {
+            await txFn.delete(classes).where(eq(classes.id, id));
+        };
+        return tx ? await execute(tx) : await DrizzleClient.transaction(execute);
     }
 };