refactor: tidy structure of source files

Fixes #79

src/protocol/errors/validation.ts

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {BAD_REQUEST} from 'http-status-codes';
+import {ValidationError} from 'jsonschema';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned when the validation of a request fails
+ */
+export class SCValidationErrorResponse extends SCError {
+  /**
+   * List of validatation errors
+   */
+  additionalData: ValidationError[];
+
+  /**
+   * Create a SCValidationErrorResponse
+   *
+   * @param errors List of validation errors
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(errors: ValidationError[], stack?: boolean) {
+    super('ValidationError', 'Validation of request failed', BAD_REQUEST, stack);
+    this.additionalData = errors;
+  }
+}