Snorre Åldstedt

src/app/contacts/add/add.component.html

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+<div>
+  <h2>Add Contact</h2>
+  <form [formGroup]="contactForm" (ngSubmit)="addContact()" class="form-group">
+    <div>
+      <label for="name" class="form-control">Name:</label>
+      <input
+        type="text"
+        id="name"
+        formControlName="name"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="phone" class="form-control">Phone:</label>
+      <input
+        type="text"
+        id="phone"
+        formControlName="phone"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="email" class="form-control">Email:</label>
+      <input
+        type="text"
+        id="email"
+        formControlName="email"
+        class="form-control"
+      />
+    </div>
+    <div>
+      <label for="address" class="form-control" 
+        >Address:</label
+      >
+      <input
+        type="text"
+        id="address"
+        formControlName="address"
+        class="form-control"
+      />
+    </div>
+
+    <button type="submit" [disabled]="contactForm.invalid" class="btn btn-success">
+      Add Contact
+    </button>
+  </form>
+</div>

src/app/contacts/add/add.component.spec.ts

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+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();
+  });
+});

src/app/contacts/add/add.component.ts

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+import { Component } from '@angular/core';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { ContactsService } from '../contacts.service';
+import { Contact } from 'src/app/models/contact';
+import { Router } from '@angular/router';
+
+@Component({
+  selector: 'app-add',
+  standalone: false,
+  templateUrl: './add.component.html',
+  styleUrl: './add.component.css'
+})
+export class AddComponent {
+  contactForm: FormGroup;
+  constructor(
+    private readonly formBuilder: FormBuilder,
+    private readonly contactService: ContactsService,
+    private readonly router: Router
+  ){
+    this.contactForm = this.formBuilder.group({
+      name: ['', Validators.required],
+      phone: ['', Validators.required],
+      email: ['', Validators.required],
+      address: ['', Validators.required],
+    });
+  }
+  addContact(): void {
+    const contactsMax = Math.max(...this.contactService.contacts.map(c => c.id).filter((id): id is number => id !== null));
+    const newContact: Contact = {
+      id: contactsMax + 1,
+      name: this.contactForm.value.name,
+      phone: this.contactForm.value.phone,
+      email: this.contactForm.value.email,
+      address: this.contactForm.value.address
+    }
+    this.contactService.AddContact(newContact);
+    this.contactForm.reset();
+    this.router.navigate(['/contacts'])
+  }
+}

src/app/contacts/contacts.module.ts

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+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { ListComponent } from './list/list.component';
+import { AddComponent } from './add/add.component';
+import { ViewComponent } from './view/view.component';
+import { RouterModule } from '@angular/router';
+import { ReactiveFormsModule } from '@angular/forms';
+import { EditComponent } from './edit/edit.component';
+
+
+@NgModule({
+  declarations: [ListComponent, AddComponent, ViewComponent, EditComponent],
+  imports: [CommonModule, ReactiveFormsModule, RouterModule],
+  exports: [AddComponent, ListComponent, ViewComponent, EditComponent]
+})
+export class ContactsModule { }

src/app/contacts/contacts.service.ts

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+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable, of } from 'rxjs';
+import { Contact } from '../models/contact';
+import { CONTACTS } from '../data/contacts';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ContactsService {
+  public contacts: Contact[] = CONTACTS;
+
+  public AddContact(contact: Contact): void {
+    this.contacts.push(contact)
+  }
+
+  public GetContactById(id: number | null){
+    const contact = this.contacts.find((c) => c.id === id);
+    if(contact == null){
+      return null;
+    }
+    return contact;
+  }
+
+  public EditContact(contact:Contact): void {
+    const thisContact = this.GetContactById(contact.id)
+    if (thisContact != null){
+      thisContact.name = contact.name,
+      thisContact.phone = contact.phone,
+      thisContact.email = contact.email,
+      thisContact.address = contact.address
+
+    }
+  }
+
+  //constructor() { }
+}

src/app/contacts/edit/edit.component.html

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+<div>
+  <h2>Edit Contact</h2>
+  <form [formGroup]="contactForm" (ngSubmit)="editContact()" class="form-group">
+    <div>
+      <label for="name" class="form-control">Name:</label>
+      <input
+        type="text"
+        id="name"
+        formControlName="name"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="phone" class="form-control">Phone:</label>
+      <input
+        type="text"
+        id="phone"
+        formControlName="phone"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="email" class="form-control">Email:</label>
+      <input
+        type="text"
+        id="email"
+        formControlName="email"
+        class="form-control"
+      />
+    </div>
+    <div>
+      <label for="address" class="form-control" 
+        >Address:</label
+      >
+      <input
+        type="text"
+        id="address"
+        formControlName="address"
+        class="form-control"
+      />
+    </div>
+
+    <button type="submit" [disabled]="contactForm.invalid" class="btn btn-success">
+      Edit Contact
+    </button>
+  </form>
+</div>

src/app/contacts/edit/edit.component.spec.ts

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+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();
+  });
+});

src/app/contacts/edit/edit.component.ts

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+import { Component, OnInit } from '@angular/core';
+import { Contact } from 'src/app/models/contact';
+import { ContactsService } from '../contacts.service';
+import { ActivatedRoute, Router } from '@angular/router';
+import { FormBuilder, FormGroup, Validators } from '@angular/forms';
+
+@Component({
+  selector: 'app-edit',
+  standalone: false,
+  templateUrl: './edit.component.html',
+  styleUrl: './edit.component.css'
+})
+export class EditComponent implements OnInit {
+  contact: Contact | null = null;
+  contactId: number | null = null;
+  contactForm: FormGroup;
+
+  constructor(
+    private route: ActivatedRoute,
+    private readonly formBuilder: FormBuilder,
+    private readonly contactService: ContactsService,
+    private readonly router: Router
+  ) {
+      this.contactId = Number(this.route.snapshot.paramMap.get('id'));
+      this.contact = this.contactService.GetContactById(this.contactId);
+      this.contactForm = this.formBuilder.group({
+        name: [this.contact?.name, Validators.required],
+        phone: [this.contact?.phone, Validators.required],
+        email: [this.contact?.email, Validators.required],
+        address: [this.contact?.address, Validators.required],
+      });
+    }
+
+  ngOnInit(): void {
+    this.contactId = Number(this.route.snapshot.paramMap.get('id'));
+    this.contact = this.contactService.GetContactById(this.contactId);
+  }
+
+
+    editContact(): void {
+      const editContact: Contact = {
+        id: this.contactId,
+        name: this.contactForm.value.name,
+        phone: this.contactForm.value.phone,
+        email: this.contactForm.value.email,
+        address: this.contactForm.value.address
+      }
+      this.contactService.EditContact(editContact);
+      this.contactForm.reset();
+      this.router.navigate(['/contacts'])
+    }
+}

src/app/contacts/list/list.component.html

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+<table class="table table-striped">
+    <thead>
+        <td>Id</td>
+        <td>Name</td>
+        <td>Phone</td>
+        <td>Email</td>
+        <td>Address</td>
+    </thead>
+    <tbody>
+        <tr *ngFor="let contact of contacts">
+            <td>
+                <a routerLink="/contacts/{{ contact.id }}" class="btn btn-primary">
+                    <span class=""badge>{{ contact.id }}</span>
+                </a>
+            </td>
+            <td> {{ contact.name }} </td>
+            <td> {{ contact.phone }} </td>
+            <td> {{ contact.email }} </td>
+            <td> {{ contact.address }} </td>
+        </tr>
+    </tbody>
+</table>

src/app/contacts/list/list.component.spec.ts

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+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();
+  });
+});

src/app/contacts/list/list.component.ts

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+import { Component } from '@angular/core';
+import { Injectable } from '@angular/core';
+import { Contact } from 'src/app/models/contact';
+import { ContactsService } from '../contacts.service';
+
+@Component({
+  selector: 'app-list',
+  standalone: false,
+  templateUrl: './list.component.html',
+  styleUrl: './list.component.css'
+})
+export class ListComponent {
+  contacts: Contact[] = [];
+  constructor(private readonly contactService: ContactsService){
+    this.contacts = this.contactService.contacts;
+  }
+}

src/app/contacts/view/view.component.html

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+<div *ngIf="contact; else loading">
+    <h2> {{ contact.name }} </h2>
+    <p>Phone: {{ contact.phone}} </p>
+    <p>Email: {{ contact.email}} </p>
+    <p>Address: {{ contact.address}} </p>
+
+    <button routerLink="/contacts"> Back to List </button>
+    <button [routerLink]="['/contacts', contact.id, 'edit']">Edit Contact</button>
+</div>
+
+<ng-template #loading>
+    <p>Loading contact details...</p>
+</ng-template>