Jakub Mroz

src/app/app-routing.module.ts

@@ -1,10 +1,19 @@
 import { NgModule } from '@angular/core';
 import { RouterModule, Routes } from '@angular/router';
+import { ListComponent } from './contacts/list/list.component';
+import { AddComponent } from './contacts/add/add.component';
+import { ViewComponent } from './contacts/view/view.component';
+import { EditComponent } from './contacts/edit/edit.component';
 
-const routes: Routes = [];
+const routes: Routes = [
+  { path: 'contacts', component: ListComponent },
+  { path: 'contacts/add', component: AddComponent },
+  { path: 'contacts/:id', component: ViewComponent },
+  { path: 'contacts/edit/:id', component: EditComponent },
+];
 
 @NgModule({
   imports: [RouterModule.forRoot(routes)],
-  exports: [RouterModule]
+  exports: [RouterModule],
 })
-export class AppRoutingModule { }
+export class AppRoutingModule {}

src/app/app.module.ts

@@ -5,9 +5,11 @@ import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './app.component';
 import { LayoutModule } from './layout/layout.module';
 
+import { ContactsModule } from './contacts/contacts.module';
+
 @NgModule({
   declarations: [AppComponent],
-  imports: [BrowserModule, AppRoutingModule, LayoutModule],
+  imports: [BrowserModule, AppRoutingModule, LayoutModule, ContactsModule],
   bootstrap: [AppComponent],
 })
 export class AppModule {}

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;
+}

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

@@ -0,0 +1,52 @@
+<div>
+  <h2>Add Beer</h2>
+  <form [formGroup]="contactForm" (ngSubmit)="addContact()" class="form-group">
+    <div>
+      <label for="firstName" class="form-control">First Name:</label>
+      <input
+        type="text"
+        id="firstName"
+        formControlName="firstName"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="lastName" class="form-control">last Name:</label>
+      <input
+        type="text"
+        id="lastName"
+        formControlName="lastName"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="street" class="form-control">Street:</label>
+      <input
+        type="text"
+        id="street"
+        formControlName="street"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="city" class="form-control">City:</label>
+      <input
+        type="text"
+        id="city"
+        formControlName="city"
+        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

@@ -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();
+  });
+});

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

@@ -0,0 +1,39 @@
+import { Component } from '@angular/core';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { ContactsService } from '../contacts.service';
+import { Contact } from '../../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({
+      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.contactService.AddContact(newContact);
+    this.contactForm.reset();
+    this.router.navigate(['/contacts']);
+  }
+}

src/app/contacts/contacts.module.ts

@@ -0,0 +1,16 @@
+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

@@ -0,0 +1,31 @@
+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;
+
+  public AddContact(contact: Contact): void {
+    const maxId =
+      this.contacts.length > 0
+        ? Math.max(...this.contacts.map((c) => c.id))
+        : 0;
+
+    const newContact = { ...contact, id: maxId + 1 };
+    this.contacts.push(newContact);
+  }
+  GetContactById(id: number): Observable<Contact | undefined> {
+    const contact = this.contacts.find((c) => c.id === id);
+    return of(contact);
+  }
+  public UpdateContact(updatedContact: Contact): void {
+    const index = this.contacts.findIndex((c) => c.id === updatedContact.id);
+    if (index !== -1) {
+      this.contacts[index] = updatedContact;
+    }
+  }
+}

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;
+}

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

@@ -0,0 +1,62 @@
+<div *ngIf="contact; else loading">
+  <h2>Edit Contact</h2>
+  <form
+    [formGroup]="contactForm"
+    (ngSubmit)="updateContact()"
+    class="form-group"
+  >
+    <div>
+      <label for="firstName" class="form-control">First Name:</label>
+      <input
+        type="text"
+        id="firstName"
+        formControlName="firstName"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="lastName" class="form-control">Last Name:</label>
+      <input
+        type="text"
+        id="lastName"
+        formControlName="lastName"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="street" class="form-control">Street:</label>
+      <input
+        type="text"
+        id="street"
+        formControlName="street"
+        class="form-control"
+      />
+    </div>
+
+    <div>
+      <label for="city" class="form-control">City:</label>
+      <input
+        type="text"
+        id="city"
+        formControlName="city"
+        class="form-control"
+      />
+    </div>
+
+    <button
+      type="submit"
+      [disabled]="contactForm.invalid"
+      class="btn btn-primary"
+    >
+      Save Changes
+    </button>
+  </form>
+</div>
+
+<ng-template #loading>
+  <ng-container>
+    <h1>Contact not found</h1>
+  </ng-container>
+</ng-template>

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();
+  });
+});

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

@@ -0,0 +1,57 @@
+import { Component, OnInit } from '@angular/core';
+import { FormBuilder, FormGroup, Validators } from '@angular/forms';
+import { ActivatedRoute, Router } from '@angular/router';
+import { ContactsService } from '../contacts.service';
+import { Contact } from '../../models/contact';
+
+@Component({
+  selector: 'app-edit',
+  standalone: false,
+  templateUrl: './edit.component.html',
+  styleUrls: ['./edit.component.css'],
+})
+export class EditComponent implements OnInit {
+  contactForm: FormGroup;
+  contactId!: number;
+  contact: Contact | null = null;
+
+  constructor(
+    private readonly fb: FormBuilder,
+    private readonly route: ActivatedRoute,
+    private readonly router: Router,
+    private readonly contactService: ContactsService
+  ) {
+    this.contactForm = this.fb.group({
+      firstName: ['', Validators.required],
+      lastName: ['', Validators.required],
+      street: ['', Validators.required],
+      city: ['', Validators.required],
+    });
+  }
+
+  ngOnInit(): void {
+    this.contactId = Number(this.route.snapshot.paramMap.get('id'));
+    this.contactService.GetContactById(this.contactId).subscribe((data) => {
+      this.contact = data!;
+    });
+
+    if (this.contact) {
+      this.contactForm.patchValue({
+        firstName: this.contact.firstName,
+        lastName: this.contact.lastName,
+        street: this.contact.street,
+        city: this.contact.city,
+      });
+    }
+  }
+
+  updateContact(): void {
+    const updatedContact: Contact = {
+      id: this.contactId,
+      ...this.contactForm.value,
+    };
+
+    this.contactService.UpdateContact(updatedContact);
+    this.router.navigate(['/contacts']);
+  }
+}