Client: reactive forms

2 files changed, 43 insertions, 21 deletions

diff --git a/client/src/app/admin/users/user-add/user-add.component.html b/client/src/app/admin/users/user-add/user-add.component.html
index 09219893b..9b76c7c1b 100644
--- a/client/src/app/admin/users/user-add/user-add.component.html
+++ b/client/src/app/admin/users/user-add/user-add.component.html
@@ -2,28 +2,28 @@
 
 <div *ngIf="error" class="alert alert-danger">{{ error }}</div>
 
-<form role="form" (ngSubmit)="addUser()" [formGroup]="userAddForm">
+<form role="form" (ngSubmit)="addUser()" [formGroup]="form">
   <div class="form-group">
     <label for="username">Username</label>
     <input
-      type="text" class="form-control" name="username" id="username" placeholder="Username"
-      [(ngModel)]="username"
+      type="text" class="form-control" id="username" placeholder="Username"
+      formControlName="username"
     >
-    <div [hidden]="userAddForm.controls.username.valid || userAddForm.controls.username.pristine" class="alert alert-danger">
-      Username is required with a length >= 3 and <= 20
+    <div *ngIf="formErrors.username" class="alert alert-danger">
+      {{ formErrors.username }}
     </div>
   </div>
 
   <div class="form-group">
     <label for="password">Password</label>
     <input
-      type="password" class="form-control" name="password" id="password" placeholder="Password"
-      [(ngModel)]="password"
+      type="password" class="form-control" id="password" placeholder="Password"
+      formControlName="password"
     >
-    <div [hidden]="userAddForm.controls.password.valid || userAddForm.controls.password.pristine" class="alert alert-danger">
-      Password is required with a length >= 6
+    <div *ngIf="formErrors.password" class="alert alert-danger">
+      {{ formErrors.password }}
     </div>
   </div>
 
-  <input type="submit" value="Add user" class="btn btn-default" [disabled]="!userAddForm.valid">
+  <input type="submit" value="Add user" class="btn btn-default" [disabled]="!form.valid">
 </form>
diff --git a/client/src/app/admin/users/user-add/user-add.component.ts b/client/src/app/admin/users/user-add/user-add.component.ts
index e3f4b2e1a..b79437795 100644
--- a/client/src/app/admin/users/user-add/user-add.component.ts
+++ b/client/src/app/admin/users/user-add/user-add.component.ts
@@ -1,32 +1,54 @@
 import { Component, OnInit } from '@angular/core';
-import { FormGroup, FormControl, Validators } from '@angular/forms';
+import { FormBuilder, FormGroup } from '@angular/forms';
 import { Router } from '@angular/router';
 
 import { UserService } from '../shared';
+import { FormReactive, USER_USERNAME, USER_PASSWORD } from '../../../shared';
 
 @Component({
   selector: 'my-user-add',
   template: require('./user-add.component.html')
 })
-export class UserAddComponent implements OnInit {
-  userAddForm: FormGroup;
+export class UserAddComponent extends FormReactive implements OnInit {
   error: string = null;
-  username = '';
-  password = '';
 
-  constructor(private router: Router, private userService: UserService) {}
+  form: FormGroup;
+  formErrors = {
+    'username': '',
+    'password': ''
+  };
+  validationMessages = {
+    'username': USER_USERNAME.MESSAGES,
+    'password': USER_PASSWORD.MESSAGES,
+  };
 
-  ngOnInit() {
-    this.userAddForm = new FormGroup({
-      username: new FormControl('', [ <any>Validators.required, <any>Validators.minLength(3), <any>Validators.maxLength(20) ]),
-      password: new FormControl('', [ <any>Validators.required, <any>Validators.minLength(6) ]),
+  constructor(
+    private formBuilder: FormBuilder,
+    private router: Router,
+    private userService: UserService
+  ) {
+    super();
+  }
+
+  buildForm() {
+    this.form = this.formBuilder.group({
+      username: [ '', USER_USERNAME.VALIDATORS ],
+      password: [ '', USER_PASSWORD.VALIDATORS ],
     });
+
+    this.form.valueChanges.subscribe(data => this.onValueChanged(data));
+  }
+
+  ngOnInit() {
+    this.buildForm();
   }
 
   addUser() {
     this.error = null;
 
-    this.userService.addUser(this.username, this.password).subscribe(
+    const { username, password } = this.form.value;
+
+    this.userService.addUser(username, password).subscribe(
       ok => this.router.navigate([ '/admin/users/list' ]),
 
       err => this.error = err.text