Error cleanup

#11 #13 #14

src/errors/RunnerGroupErrors.ts

@@ -0,0 +1,14 @@
+import { IsString } from 'class-validator';
+import { NotFoundError } from 'routing-controllers';
+
+/**
+ * Error to throw when a runner group couldn't be found.
+ * Implemented this ways to work with the json-schema conversion for openapi.
+ */
+export class RunnerGroupNotFoundError extends NotFoundError {
+	@IsString()
+	name = "RunnerGroupNotFoundError"
+
+	@IsString()
+	message = "RunnerGroup not found!"
+}