Delete: Song history

app/Validators/song/SongRangeValidator.ts

@@ -0,0 +1,15 @@
+import { schema } from '@ioc:Adonis/Core/Validator'
+import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
+
+export default class SongRangeValidator {
+  constructor(protected ctx: HttpContextContract) {
+  }
+
+  public schema = schema.create({
+    range: schema.enum.optional(['short', 'medium', 'long'] as const),
+  })
+
+  public messages = {
+    required: 'The field {{field}} is required',
+  }
+}