Merge branch '55-login-screen-register-component-logic' into 'master'

Resolve "login screen - register component logic"

Closes #55

See merge request swtp-block-ws17/arsnova-angular-frontend!51

src/app/register/register.component.html

-<form>
+<form (ngSubmit)="register(userName.value, userPassword1.value, userPassword2.value)" fxLayout="column"
+      fxLayoutAlign="space-around" fxLayoutGap="10px">
   <mat-form-field class="input-block">
-    <input matInput #email maxlength="256" placeholder="E-mail">
-    <mat-hint align="start"><strong></strong></mat-hint>
+    <input matInput #userName placeholder="E-mail" [formControl]="usernameFormControl" [errorStateMatcher]="matcher">
+    <mat-error *ngIf="usernameFormControl.hasError('email') && !usernameFormControl.hasError('required')">Please enter a
+      <strong>valid</strong> email address.
+    </mat-error>
+    <mat-error *ngIf="usernameFormControl.hasError('required')">Email address is <strong>required</strong>.</mat-error>
   </mat-form-field>
 
   <mat-form-field class="input-block">
-    <input matInput type="password" #passwd maxlength="256" placeholder="Password">
-    <mat-hint align="start"><strong></strong></mat-hint>
-    <mat-hint align="end">{{passwd.value.length}} / 256</mat-hint>
+    <input matInput type="password" #userPassword1 placeholder="Password" [formControl]="password1FormControl"
+           [errorStateMatcher]="matcher">
+    <mat-error *ngIf="password1FormControl.hasError('required')">Password is <strong>required</strong>.</mat-error>
   </mat-form-field>
 
   <mat-form-field class="input-block">
-    <input matInput type="password" #passwd2 maxlength="256" placeholder="Verify password">
-    <mat-hint align="start"><strong></strong></mat-hint>
-    <mat-hint align="end">{{passwd2.value.length}} / 256</mat-hint>
+    <input matInput type="password" #userPassword2 placeholder="Verify password" [formControl]="password2FormControl"
+           [errorStateMatcher]="matcher">
+    <mat-error *ngIf="password2FormControl.hasError('required')">Password is <strong>required</strong>.</mat-error>
+    <mat-error *ngIf="password2FormControl.hasError('passwordIsEqual') && !password2FormControl.hasError('required')">
+      Passwords do <strong>not</strong> match.
+    </mat-error>
   </mat-form-field>
-  <div *ngIf="passwd.value === passwd2.value && passwd.value.length !== 0">
-    <mat-icon>check_circle</mat-icon>
-  </div>
-  <div *ngIf="passwd.value !== passwd2.value && passwd.value.length !== 0">
-    <mat-icon>clear</mat-icon>
-  </div>
 
-  <button mat-raised-button color="primary" (click)="save(email.value, passwd.value, passwd2.value)">Register</button>
+  <button mat-raised-button color="primary" type="submit">Register</button>
+
 </form>

src/app/register/register.component.ts

 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { ErrorStateMatcher, MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { FormControl, FormGroupDirective, NgForm, Validators } from '@angular/forms';
+import { AuthenticationService } from '../authentication.service';
+import { NotificationService } from '../notification.service';
+import { Router } from '@angular/router';
+
+export class RegisterErrorStateMatcher implements ErrorStateMatcher {
+  isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean {
+    const isSubmitted = form && form.submitted;
+    return (control && control.invalid && (control.dirty || control.touched || isSubmitted));
+  }
+}
+
+function validatePassword(password1: FormControl) {
+  return (formControl: FormControl) => {
+    const password1Value = password1.value;
+    const password2Value = formControl.value;
+
+    if (password1Value !== password2Value) {
+      return {
+        passwordIsEqual: {
+          isEqual: false
+        }
+      };
+    } else {
+      return null;
+    }
+  };
+}
 
 @Component({
   selector: 'app-register',
@@ -7,9 +35,16 @@ import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
   styleUrls: ['./register.component.scss']
 })
 export class RegisterComponent implements OnInit {
-  check = 0;
 
-  constructor(public dialogRef: MatDialogRef<RegisterComponent>,
+  usernameFormControl = new FormControl('', [Validators.required, Validators.email]);
+  password1FormControl = new FormControl('', [Validators.required]);
+  password2FormControl = new FormControl('', [Validators.required, validatePassword(this.password1FormControl)]);
+
+  matcher = new RegisterErrorStateMatcher();
+
+  constructor(public authenticationService: AuthenticationService,
+              public notificationService: NotificationService,
+              public dialogRef: MatDialogRef<RegisterComponent>,
               @Inject(MAT_DIALOG_DATA) public data: any) {
   }
 
@@ -20,12 +55,20 @@ export class RegisterComponent implements OnInit {
   ngOnInit() {
   }
 
-  save(email: string, password1: string, password2: string): void {
-   // console.log(email, password1, password2);
-    if (password1 === password2) {
-      console.log(true);
+  register(username: string, password1: string, password2: string): void {
+    if (!this.usernameFormControl.hasError('required') && !this.usernameFormControl.hasError('email') &&
+      !this.password1FormControl.hasError('required') &&
+      !this.password2FormControl.hasError('required') && !this.password2FormControl.hasError('passwordIsEqual')) {
+      this.authenticationService.register(username, password1).subscribe(result => {
+        if (result) {
+          this.notificationService.show('Successfully registered. Please check your mail!');
+          this.dialogRef.close();
+        } else {
+          this.notificationService.show('Oops! Something went wrong on our side...');
+        }
+      });
     } else {
-      console.log(false);
+      this.notificationService.show('Please fit the requirements shown above.');
     }
   }
 }