Add custom validator

Author: hirsch88

src/api/requests/user/UserCreateRequest.ts

@@ -1,5 +1,6 @@
-import { IsEmail, IsNotEmpty } from 'class-validator';
+import { IsEmail, IsNotEmpty, Validate } from 'class-validator';
 import { RequestBody } from '../../../core/api/RequestBody';
+import { EndsWithValidator } from '../../Validators/EndsWithValidator';
 
 /**
  * This class is used for create request. Create a new instance
@@ -20,6 +21,7 @@ export class UserCreateRequest extends RequestBody {
 
     @IsNotEmpty()
     @IsEmail()
+    @Validate(EndsWithValidator, ['@gmail.com', '@w3tec.ch'])
     public email: string;
 
     public picture: string;

src/api/requests/user/UserUpdateRequest.ts

@@ -1,5 +1,6 @@
-import { IsEmail, IsNotEmpty } from 'class-validator';
+import { IsEmail, IsNotEmpty, Validate } from 'class-validator';
 import { RequestBody } from '../../../core/api/RequestBody';
+import { EndsWithValidator } from '../../Validators/EndsWithValidator';
 
 /**
  * This class is used for update request. Create a new instance
@@ -19,6 +20,7 @@ export class UserUpdateRequest extends RequestBody {
     public lastName: string;
 
     @IsEmail()
+    @Validate(EndsWithValidator, ['@gmail.com', '@w3tec.ch'])
     public email: string;
 
     @IsNotEmpty()

src/api/validators/EndsWithValidator.ts

@@ -0,0 +1,21 @@
+import * as _ from 'lodash';
+import { ValidatorConstraint, ValidatorConstraintInterface, ValidationArguments } from 'class-validator';
+
+
+@ValidatorConstraint({ name: 'endsWith', async: false })
+export class EndsWithValidator implements ValidatorConstraintInterface {
+
+    public validate(text: string, args: ValidationArguments): boolean {
+        for (const ending of args.constraints) {
+            if (_.endsWith(text, ending)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public defaultMessage(args: ValidationArguments): string {
+        return 'Incorrect suffix';
+    }
+
+}