update

src/app/pages/account/security/security.component.html

@@ -0,0 +1,37 @@
+<form [formGroup]="form" (ngSubmit)="changePassword()" #formDirective="ngForm">
+    <mat-card>
+        <mat-card-content>
+            <h2>{{'password.change' | i18n}}</h2>
+            <mat-hint *ngIf="success">
+                {{'password.changed' | i18n}}
+            </mat-hint>
+            <mat-form-field>
+                <input matInput type="password" placeholder="{{'password.current' | i18n}}" formControlName="oldPassword"
+                    [(ngModel)]="model.old">
+                <mat-error *ngFor="let error of form.get('oldPassword').errors | keyvalue">
+                    {{error.key}}
+                </mat-error>
+            </mat-form-field>
+            <mat-form-field>
+                <input matInput type="password" placeholder="{{'password' | i18n}}" formControlName="password"
+                    [(ngModel)]="model.password">
+                <mat-error *ngFor="let error of form.get('password').errors | keyvalue">
+                    {{error.key}}
+                </mat-error>
+            </mat-form-field>
+            <mat-form-field>
+                <input matInput type="password" placeholder="{{'password.confirm' | i18n}}" formControlName="password2"
+                    [(ngModel)]="model.password2">
+                <mat-error>
+                    {{'password.not-match' | i18n}}
+                </mat-error>
+            </mat-form-field>
+        </mat-card-content>
+        <mat-card-actions>
+            <mat-progress-bar *ngIf="working" mode="indeterminate"></mat-progress-bar>
+            <button *ngIf="!working" mat-raised-button color="primary" [disabled]="form.invalid">
+                {{'password.change' | i18n}}
+            </button>
+        </mat-card-actions>
+    </mat-card>
+</form>

src/app/pages/account/security/security.component.scss

@@ -0,0 +1,3 @@
+mat-form-field {
+  display: block;
+}

src/app/pages/account/security/security.component.spec.ts

@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SecurityComponent } from './security.component';
+
+describe('SecurityComponent', () => {
+  let component: SecurityComponent;
+  let fixture: ComponentFixture<SecurityComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ SecurityComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SecurityComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/pages/account/security/security.component.ts

@@ -0,0 +1,59 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { FormBuilder, FormGroup, Validators, NgForm } from '@angular/forms';
+
+import { UserService } from './../../../services/user.service';
+import { MatchingValidator } from './../../../utils/matching.validator';
+
+@Component({
+  selector: 'app-account-security',
+  templateUrl: './security.component.html',
+  styleUrls: ['./security.component.scss']
+})
+export class SecurityComponent implements OnInit {
+
+
+  model: any = {};
+  public working: boolean;
+  public success: boolean;
+  form: FormGroup;
+  @ViewChild('formDirective') private formDirective: NgForm;
+
+  constructor(private formBuilder: FormBuilder, private userService: UserService) { }
+
+  ngOnInit(): void {
+    this.form = this.formBuilder.group({
+      oldPassword: ['', Validators.required],
+      password: ['', Validators.required],
+      password2: ['', Validators.required]
+    }, {
+      validator: MatchingValidator('password', 'password2')
+    });
+  }
+
+
+  changePassword() {
+    if (this.form.valid && !this.working) {
+      this.working = true;
+
+      this.userService.password(this.model).subscribe((result: any) => {
+        this.formDirective.resetForm();
+        this.success = true;
+        this.working = false;
+      }, (error) => {
+        this.working = false;
+        if (error.status == 409) {
+          let errors = {};
+          for (let code of error.error) {
+            errors[code.field] = errors[code.field] || {};
+            errors[code.field][code.code] = true;
+          }
+
+          for (let code in errors) {
+            this.form.get(code).setErrors(errors[code]);
+          }
+        }
+      })
+    }
+  }
+
+}