From c316750769a7d78705139d0dc395b695f964d2fb Mon Sep 17 00:00:00 2001
From: Vegard Stigen <vegard.stigen@no.experis.com>
Date: Mon, 8 Sep 2025 13:19:48 +0200
Subject: [PATCH 1/2] done core and extension

---
 src/app/Data/contacts.ts                     | 18 ++++++
 src/app/app.module.ts                        | 15 ++++-
 src/app/contacts/add/add.component.css       | 25 +++++++++
 src/app/contacts/add/add.component.html      | 19 +++++++
 src/app/contacts/add/add.component.spec.ts   | 23 ++++++++
 src/app/contacts/add/add.component.ts        | 40 +++++++++++++
 src/app/contacts/contacts.module.ts          | 16 ++++++
 src/app/contacts/contacts.service.spec.ts    | 16 ++++++
 src/app/contacts/contacts.service.ts         | 34 +++++++++++
 src/app/contacts/edit/edit.component.css     | 25 +++++++++
 src/app/contacts/edit/edit.component.html    | 27 +++++++++
 src/app/contacts/edit/edit.component.spec.ts | 23 ++++++++
 src/app/contacts/edit/edit.component.ts      | 59 ++++++++++++++++++++
 src/app/contacts/list/list.component.css     | 11 ++++
 src/app/contacts/list/list.component.html    | 14 +++++
 src/app/contacts/list/list.component.spec.ts | 23 ++++++++
 src/app/contacts/list/list.component.ts      | 17 ++++++
 src/app/contacts/view/view.component.css     |  0
 src/app/contacts/view/view.component.html    | 12 ++++
 src/app/contacts/view/view.component.spec.ts | 23 ++++++++
 src/app/contacts/view/view.component.ts      | 27 +++++++++
 src/app/layout/menu/menu.component.html      |  4 +-
 src/app/models/contact.ts                    |  8 +++
 23 files changed, 476 insertions(+), 3 deletions(-)
 create mode 100644 src/app/Data/contacts.ts
 create mode 100644 src/app/contacts/add/add.component.css
 create mode 100644 src/app/contacts/add/add.component.html
 create mode 100644 src/app/contacts/add/add.component.spec.ts
 create mode 100644 src/app/contacts/add/add.component.ts
 create mode 100644 src/app/contacts/contacts.module.ts
 create mode 100644 src/app/contacts/contacts.service.spec.ts
 create mode 100644 src/app/contacts/contacts.service.ts
 create mode 100644 src/app/contacts/edit/edit.component.css
 create mode 100644 src/app/contacts/edit/edit.component.html
 create mode 100644 src/app/contacts/edit/edit.component.spec.ts
 create mode 100644 src/app/contacts/edit/edit.component.ts
 create mode 100644 src/app/contacts/list/list.component.css
 create mode 100644 src/app/contacts/list/list.component.html
 create mode 100644 src/app/contacts/list/list.component.spec.ts
 create mode 100644 src/app/contacts/list/list.component.ts
 create mode 100644 src/app/contacts/view/view.component.css
 create mode 100644 src/app/contacts/view/view.component.html
 create mode 100644 src/app/contacts/view/view.component.spec.ts
 create mode 100644 src/app/contacts/view/view.component.ts
 create mode 100644 src/app/models/contact.ts

diff --git a/src/app/Data/contacts.ts b/src/app/Data/contacts.ts
new file mode 100644
index 00000000..fe9d306e
--- /dev/null
+++ b/src/app/Data/contacts.ts
@@ -0,0 +1,18 @@
+import { Contact } from '../models/contact';
+
+export const CONTACTS: Contact[] = [
+  {
+    id: 1,
+    firstName: 'person',
+    lastName: 'one',
+    street: '1.st street',
+    city: 'city',
+  },
+  {
+    id: 2,
+    firstName: 'person',
+    lastName: 'two',
+    street: '2.nd street',
+    city: 'town',
+  },
+];
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 8207184c..5e9424e0 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -4,10 +4,23 @@ import { BrowserModule } from '@angular/platform-browser';
 import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './app.component';
 import { LayoutModule } from './layout/layout.module';
+import { ContactsModule } from './contacts/contacts.module';
+import { ListComponent } from './contacts/list/list.component';
+import { AddComponent } from './contacts/add/add.component';
+import { EditComponent } from './contacts/edit/edit.component';
+import { ViewComponent } from './contacts/view/view.component';
+
+import { RouterModule } from '@angular/router';
+const routes = [
+  { path: 'contacts', component: ListComponent },
+  { path: 'contacts/new', component: AddComponent },
+  { path: 'contacts/view/:id', component: ViewComponent },
+  { path: 'contacts/edit/:id', component: EditComponent },
+];
 
 @NgModule({
   declarations: [AppComponent],
-  imports: [BrowserModule, AppRoutingModule, LayoutModule],
+  imports: [BrowserModule, AppRoutingModule, LayoutModule, ContactsModule, RouterModule.forRoot(routes)],
   bootstrap: [AppComponent],
 })
 export class AppModule {}
diff --git a/src/app/contacts/add/add.component.css b/src/app/contacts/add/add.component.css
new file mode 100644
index 00000000..04068da6
--- /dev/null
+++ b/src/app/contacts/add/add.component.css
@@ -0,0 +1,25 @@
+:host {
+  display: flex;
+  box-sizing: border-box;
+  width: 40vw;
+  flex-direction: column;
+}
+
+form {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  gap: 0.5em;
+}
+
+label {
+  font-weight: bold;
+}
+
+.actions {
+  display: flex;
+}
+
+.spacer {
+  flex: 1;
+}
diff --git a/src/app/contacts/add/add.component.html b/src/app/contacts/add/add.component.html
new file mode 100644
index 00000000..f06a083e
--- /dev/null
+++ b/src/app/contacts/add/add.component.html
@@ -0,0 +1,19 @@
+<h1>Create Contact</h1>
+<form [formGroup]="contactForm" (ngSubmit)="addContact()" class="form">
+  <label for="first-name" class="label">First name:</label>
+  <input id="first-name" formControlName="firstName" type="text" />
+
+  <label for="last-name" class="label">Last name:</label>
+  <input id="last-name" formControlName="lastName" type="text" />
+
+  <label for="street" class="label">Street:</label>
+  <input id="street" formControlName="street" type="text" />
+
+  <label for="city" class="label">City:</label>
+  <input id="city" formControlName="city" type="text" />
+
+  <div class="actions">
+    <div class="spacer"></div>
+    <button type="submit" [disabled]="contactForm.invalid">Create</button>
+  </div>
+</form>
diff --git a/src/app/contacts/add/add.component.spec.ts b/src/app/contacts/add/add.component.spec.ts
new file mode 100644
index 00000000..f4528470
--- /dev/null
+++ b/src/app/contacts/add/add.component.spec.ts
@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AddComponent } from './add.component';
+
+describe('AddComponent', () => {
+  let component: AddComponent;
+  let fixture: ComponentFixture<AddComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [AddComponent]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(AddComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/contacts/add/add.component.ts b/src/app/contacts/add/add.component.ts
new file mode 100644
index 00000000..bd199ccd
--- /dev/null
+++ b/src/app/contacts/add/add.component.ts
@@ -0,0 +1,40 @@
+import { Component } from '@angular/core';
+import { Contact } from 'src/app/models/contact';
+import { ContactsService } from '../contacts.service';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { Router } from '@angular/router';
+
+@Component({
+  selector: 'app-add',
+  templateUrl: './add.component.html',
+  styleUrl: './add.component.css'
+})
+export class AddComponent {
+
+  contactForm: FormGroup;
+
+  constructor(
+    private readonly formBuilder: FormBuilder,
+    private readonly contactsService: ContactsService,
+    private readonly router: Router
+  ) {
+    this.contactForm = this.formBuilder.group({
+      firstName: ['', Validators.required],
+      lastName: ['', Validators.required],
+      street: ['', Validators.required],
+      city: ['', Validators.required]
+    });
+  }
+  addContact(): void {
+    const newContact: Contact = {
+      id: 0,
+      firstName: this.contactForm.value.firstName,
+      lastName: this.contactForm.value.lastName,
+      street: this.contactForm.value.street,
+      city: this.contactForm.value.city
+    };
+    this.contactsService.addContact(newContact);
+    this.contactForm.reset();
+    this.router.navigate(['/contacts']);
+  }
+}
diff --git a/src/app/contacts/contacts.module.ts b/src/app/contacts/contacts.module.ts
new file mode 100644
index 00000000..acfe13ae
--- /dev/null
+++ b/src/app/contacts/contacts.module.ts
@@ -0,0 +1,16 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { ViewComponent } from './view/view.component';
+import { ListComponent } from './list/list.component';
+import { EditComponent } from './edit/edit.component';
+import { AddComponent } from './add/add.component';
+import { ReactiveFormsModule } from '@angular/forms';
+
+
+@NgModule({
+  declarations: [ViewComponent, ListComponent, EditComponent, AddComponent],
+  imports: [CommonModule, RouterModule, ReactiveFormsModule],
+  exports: [ViewComponent, ListComponent, EditComponent, AddComponent],
+})
+export class ContactsModule { }
diff --git a/src/app/contacts/contacts.service.spec.ts b/src/app/contacts/contacts.service.spec.ts
new file mode 100644
index 00000000..b64b5962
--- /dev/null
+++ b/src/app/contacts/contacts.service.spec.ts
@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { ContactsService } from './contacts.service';
+
+describe('ContactsService', () => {
+  let service: ContactsService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(ContactsService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/src/app/contacts/contacts.service.ts b/src/app/contacts/contacts.service.ts
new file mode 100644
index 00000000..ee201330
--- /dev/null
+++ b/src/app/contacts/contacts.service.ts
@@ -0,0 +1,34 @@
+import { Injectable } from '@angular/core';
+import { Contact } from '../models/contact';
+import { CONTACTS } from '../Data/contacts';
+import { Observable, of } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ContactsService {
+
+  public contacts: Contact[] = CONTACTS;
+  private nextId: number;
+
+  constructor() { 
+    this.nextId = this.contacts.length  + 1;
+  }
+
+  public addContact(contact: Contact): void {
+    contact.id = this.nextId++;
+    this.contacts.push(contact);
+
+  }
+
+  getContactById(id: number): Observable<Contact | undefined> {
+    const contact = this.contacts.find(c => c.id === id);
+    return of(contact);
+  }
+  public editContact(updatedContact: Contact): void {
+    const index = this.contacts.findIndex(c => c.id === updatedContact.id);
+    if (index !== -1) {
+      this.contacts[index] = updatedContact;
+    }
+  }
+}
diff --git a/src/app/contacts/edit/edit.component.css b/src/app/contacts/edit/edit.component.css
new file mode 100644
index 00000000..04068da6
--- /dev/null
+++ b/src/app/contacts/edit/edit.component.css
@@ -0,0 +1,25 @@
+:host {
+  display: flex;
+  box-sizing: border-box;
+  width: 40vw;
+  flex-direction: column;
+}
+
+form {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  gap: 0.5em;
+}
+
+label {
+  font-weight: bold;
+}
+
+.actions {
+  display: flex;
+}
+
+.spacer {
+  flex: 1;
+}
diff --git a/src/app/contacts/edit/edit.component.html b/src/app/contacts/edit/edit.component.html
new file mode 100644
index 00000000..9e1968cd
--- /dev/null
+++ b/src/app/contacts/edit/edit.component.html
@@ -0,0 +1,27 @@
+<h1>Edit Contact</h1>
+<ng-container *ngIf="contact; else notFound">
+    <form [formGroup]="contactForm" (ngSubmit)="editContact()" class="form">
+    <label for="first-name" class="label">First name:</label>
+    <input id="first-name" formControlName="firstName" type="text" [(ngModel)]="firstNameValue" />
+
+    <label for="last-name" class="label">Last name:</label>
+    <input id="last-name" formControlName="lastName" type="text" [(ngModel)]="lastNameValue" />
+
+    <label for="street" class="label">Street:</label>
+    <input id="street" formControlName="street" type="text" [(ngModel)]="streetValue" />
+
+    <label for="city" class="label">City:</label>
+    <input id="city" formControlName="city" type="text" [(ngModel)]="cityValue" />
+
+    <div class="actions">
+        <div class="spacer"></div>
+        <button type="submit" [disabled]="contactForm.invalid">Update</button>
+    </div>
+    </form>
+</ng-container>
+
+
+<!-- if we don't find the a contact -->
+<ng-template #notFound>
+  <h1>Contact not found, nothing to edit!!</h1>
+</ng-template>
diff --git a/src/app/contacts/edit/edit.component.spec.ts b/src/app/contacts/edit/edit.component.spec.ts
new file mode 100644
index 00000000..6676ccfd
--- /dev/null
+++ b/src/app/contacts/edit/edit.component.spec.ts
@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { EditComponent } from './edit.component';
+
+describe('EditComponent', () => {
+  let component: EditComponent;
+  let fixture: ComponentFixture<EditComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [EditComponent]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(EditComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/contacts/edit/edit.component.ts b/src/app/contacts/edit/edit.component.ts
new file mode 100644
index 00000000..86aaedf6
--- /dev/null
+++ b/src/app/contacts/edit/edit.component.ts
@@ -0,0 +1,59 @@
+import { Component, input } from '@angular/core';
+import { Contact } from 'src/app/models/contact';
+import { ContactsService } from '../contacts.service';
+import { FormGroup, FormBuilder, Validators, FormsModule } from '@angular/forms';
+import { ActivatedRoute, Router } from '@angular/router';
+
+@Component({
+  selector: 'app-edit',
+  templateUrl: './edit.component.html',
+  styleUrl: './edit.component.css'
+})
+export class EditComponent {
+
+  contactForm: FormGroup;
+  contactId: number | null = null;
+  contact: Contact | null = null;
+  firstNameValue: string = 'default';
+  lastNameValue: string = 'default';
+  streetValue: string = 'default';
+  cityValue: string = 'default';
+
+  constructor(
+    private readonly formBuilder: FormBuilder,
+    private readonly contactsService: ContactsService,
+    private readonly router: Router,
+    private route: ActivatedRoute
+  ) {
+    this.contactForm = this.formBuilder.group({
+      firstName: ['', Validators.required],
+      lastName: ['', Validators.required],
+      street: ['', Validators.required],
+      city: ['', Validators.required]
+    });
+  }
+
+  editContact(): void {
+    const updatedContact: Contact = {
+      id: this.contactId!,
+      firstName: this.contactForm.value.firstName,
+      lastName: this.contactForm.value.lastName,
+      street: this.contactForm.value.street,
+      city: this.contactForm.value.city
+    };
+    this.contactsService.editContact(updatedContact);
+    this.contactForm.reset();
+    this.router.navigate(['/contacts']);
+  }
+
+  ngOnInit() {
+    this.contactId = Number(this.route.snapshot.paramMap.get('id'));
+    this.contactsService.getContactById(this.contactId).subscribe(contact => {
+      this.contact = contact!;
+    });
+    this.firstNameValue = this.contact?.firstName ?? 'default';
+    this.lastNameValue = this.contact?.lastName ?? 'default';
+    this.streetValue = this.contact?.street ?? 'default';
+    this.cityValue = this.contact?.city ?? 'default';
+  }
+}
diff --git a/src/app/contacts/list/list.component.css b/src/app/contacts/list/list.component.css
new file mode 100644
index 00000000..a7943571
--- /dev/null
+++ b/src/app/contacts/list/list.component.css
@@ -0,0 +1,11 @@
+:host {
+  padding: 0.5em;
+  width: 400px;
+}
+
+.contact {
+  display: flex;
+  justify-content: space-between;
+  border-bottom: 1px solid #ddd;
+  padding: 0.5em 0;
+}
diff --git a/src/app/contacts/list/list.component.html b/src/app/contacts/list/list.component.html
new file mode 100644
index 00000000..03f9f0a1
--- /dev/null
+++ b/src/app/contacts/list/list.component.html
@@ -0,0 +1,14 @@
+<h1>Contacts</h1>
+<!-- if we have contacts -->
+<ng-container *ngIf="contacts.length > 0; else notFound">
+    <div class="contact-container">
+        <div *ngFor="let contact of contacts" class="contact">
+            <span>{{contact.firstName}} {{contact.lastName}}</span>
+            <a routerLink="/contacts/view/{{ contact.id }}">View</a>
+        </div>
+    </div>
+</ng-container>
+<!-- if we don't have contacts -->
+<ng-template #notFound>
+  <div>No contacts yet</div>
+</ng-template>
\ No newline at end of file
diff --git a/src/app/contacts/list/list.component.spec.ts b/src/app/contacts/list/list.component.spec.ts
new file mode 100644
index 00000000..b602c867
--- /dev/null
+++ b/src/app/contacts/list/list.component.spec.ts
@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ListComponent } from './list.component';
+
+describe('ListComponent', () => {
+  let component: ListComponent;
+  let fixture: ComponentFixture<ListComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [ListComponent]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(ListComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/contacts/list/list.component.ts b/src/app/contacts/list/list.component.ts
new file mode 100644
index 00000000..13343447
--- /dev/null
+++ b/src/app/contacts/list/list.component.ts
@@ -0,0 +1,17 @@
+import { Component } from '@angular/core';
+import { Contact } from 'src/app/models/contact';
+import { ContactsService } from '../contacts.service';
+
+@Component({
+  selector: 'app-list',
+  templateUrl: './list.component.html',
+  styleUrl: './list.component.css'
+})
+export class ListComponent {
+  contacts: Contact[] = [];
+
+  constructor(private readonly contactsService: ContactsService) {
+    this.contacts = this.contactsService.contacts;
+  }
+
+}
diff --git a/src/app/contacts/view/view.component.css b/src/app/contacts/view/view.component.css
new file mode 100644
index 00000000..e69de29b
diff --git a/src/app/contacts/view/view.component.html b/src/app/contacts/view/view.component.html
new file mode 100644
index 00000000..13bbba72
--- /dev/null
+++ b/src/app/contacts/view/view.component.html
@@ -0,0 +1,12 @@
+<!-- ng-container is a nice way to have if/else displays,
+     without having the "container" being rendered to the dom -->
+<!-- if we have a contact -->
+<ng-container *ngIf="contact; else notFound">
+  <h1>{{ contact.firstName }} {{ contact.lastName }}</h1>
+  <p>{{ contact.street }}, {{ contact.city }}</p>
+    <button><a routerLink="/contacts/edit/{{ contact.id }}">Edit contact</a></button>
+</ng-container>
+<!-- if we don't have a contact -->
+<ng-template #notFound>
+  <h1>Contact not found</h1>
+</ng-template>
diff --git a/src/app/contacts/view/view.component.spec.ts b/src/app/contacts/view/view.component.spec.ts
new file mode 100644
index 00000000..380ab164
--- /dev/null
+++ b/src/app/contacts/view/view.component.spec.ts
@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ViewComponent } from './view.component';
+
+describe('ViewComponent', () => {
+  let component: ViewComponent;
+  let fixture: ComponentFixture<ViewComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [ViewComponent]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(ViewComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/contacts/view/view.component.ts b/src/app/contacts/view/view.component.ts
new file mode 100644
index 00000000..865dd090
--- /dev/null
+++ b/src/app/contacts/view/view.component.ts
@@ -0,0 +1,27 @@
+import { Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Contact } from 'src/app/models/contact';
+import { ContactsService } from '../contacts.service';
+
+@Component({
+  selector: 'app-view',
+  templateUrl: './view.component.html',
+  styleUrls: ['./view.component.css']
+})
+export class ViewComponent implements OnInit {
+  contact: Contact | null = null;
+  contactId: number | null = null;
+
+  constructor(    
+    private route: ActivatedRoute,
+    private contactsService: ContactsService
+  ) {}
+
+  ngOnInit() {
+    this.contactId = Number(this.route.snapshot.paramMap.get('id'));
+    this.contactsService.getContactById(this.contactId).subscribe(contact => {
+      this.contact = contact!;
+    });
+  }
+
+}
diff --git a/src/app/layout/menu/menu.component.html b/src/app/layout/menu/menu.component.html
index 7c5ec7a2..adbb2ccd 100644
--- a/src/app/layout/menu/menu.component.html
+++ b/src/app/layout/menu/menu.component.html
@@ -1,5 +1,5 @@
 <h2>Menu</h2>
 <ul>
-  <li><a>Contacts list</a></li>
-  <li><a>Add new contact</a></li>
+  <li><a routerLink="/contacts">Contacts list</a></li>
+  <li><a routerLink="/contacts/new">Add new contact</a></li>
 </ul>
diff --git a/src/app/models/contact.ts b/src/app/models/contact.ts
new file mode 100644
index 00000000..da14bf30
--- /dev/null
+++ b/src/app/models/contact.ts
@@ -0,0 +1,8 @@
+export interface Contact {
+  id: number | null;
+  firstName: string;
+  lastName: string;
+  street: string;
+  city: string;
+}
+

From e4eab13a82f8b1f957a23b0a613ffd4773398b8e Mon Sep 17 00:00:00 2001
From: Vegard Stigen <vegard.stigen@no.experis.com>
Date: Mon, 8 Sep 2025 13:37:15 +0200
Subject: [PATCH 2/2] fixed edit nevigate back to view

---
 src/app/contacts/edit/edit.component.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/contacts/edit/edit.component.ts b/src/app/contacts/edit/edit.component.ts
index 86aaedf6..dca699c4 100644
--- a/src/app/contacts/edit/edit.component.ts
+++ b/src/app/contacts/edit/edit.component.ts
@@ -43,7 +43,7 @@ export class EditComponent {
     };
     this.contactsService.editContact(updatedContact);
     this.contactForm.reset();
-    this.router.navigate(['/contacts']);
+    this.router.navigate([`/contacts/view/${this.contactId}`]);
   }
 
   ngOnInit() {