angular API calls,HTTP call in Angular

user-app/src/app/app-routing.module.ts

@@ -7,7 +7,29 @@ import { UserDetailComponent } from './pages/user-detail/user-detail.component';
 import { CreateUserComponent } from './pages/create-user/create-user.component';
 import { AuthGuard } from './guards/auth.guard';
 
-const routes: Routes = [];
+const routes: Routes = [
+  {
+    path:"",
+    component :UserListComponent,
+  },
+  {
+    path: "about-us",
+    component: AboutUsComponent,
+  },
+  {
+    path: "contact",
+    component: ContactComponent,
+  },
+  {
+    path: "create-user",
+    component: CreateUserComponent,
+  },
+  {
+    path: "user-detail",
+    component: UserDetailComponent,
+  },
+
+];
 
 @NgModule({
   imports: [RouterModule.forRoot(routes)],

user-app/src/app/pages/app/app.component.html

@@ -1,6 +1,23 @@
-<h2>
+<!-- <h2 *ngIf="show">
   Congratulations! Angular set up is complete.
   <br />
   <br />
-  You are ready to begin the workshop3.
+  I am {{name}} . an Angular developer
 </h2>
+
+<h2 *ngFor="let item of names">
+
+  {{ item }}
+</h2>
+
+<span [ngStyle]="{color : isError ? 'red':'green'}"> This is text </span>
+<span [ngClass]="[isError ? 'error' : 'normal']"> This is text </span>
+<span>{{name}}</span>
+<button (click)="changeName()">Change Name</button>
+
+<input type="text"
+  placeholder="username" [(ngModel)]="username" /> -->
+
+  <app-header [title]="name" (cahngevalue)="changeName()"></app-header>
+  <!-- <app-user-list></app-user-list> -->  
+  <router-outlet></router-outlet>

user-app/src/app/pages/app/app.component.scss

@@ -1 +1,10 @@
 
+.normal {
+    font-size: 15px;
+    color: blue;
+}
+
+.error {
+    font-size: 18px;
+    color:red;
+}

user-app/src/app/pages/app/app.component.ts

@@ -5,4 +5,31 @@ import { Component } from '@angular/core';
   templateUrl: './app.component.html',
   styleUrls: ['./app.component.scss'],
 })
-export class AppComponent {}
+export class AppComponent {
+  name : String = "Johnson";
+  show : boolean =true;
+  names = ['Arun', 'Mark', 'Smith', 'Jack'];
+  isError : boolean = true;
+  username : String ="";
+  constructor() {
+    console.log('Constructor called');
+  }
+
+  changeName()
+{
+  this.name="steve";
+  console.log(this.username);
+}
+  ngOnChanges() {
+    console.log('on changes called');
+  }
+
+  ngOnInit() {
+    console.log('on init called');
+  }
+
+  ngOnDestroy() {
+    console.log('on destroy called');
+  }
+}
+

user-app/src/app/pages/create-user/create-user.component.html

@@ -1,11 +1,43 @@
 <div class="container">
-  <form>
-    <div class="form">
-      <h2>Enter Details</h2>
-      <div class="input-form">
-        <label>Name </label>
-        <input placeholder="Enter the name" formControlName="name" />
-      </div>
+  <form [formGroup]="userFormBuilder" (keydown.enter)="addUser()">
+  <div class="form">
+    <h2>Enter Details</h2>
+    <div class="input-form">
+      <label>Name </label>
+      <input placeholder="Enter the name"  formControlName="name" />
     </div>
+    <div class="input-form">
+      <label>Email</label>
+      <input placeholder="Enter the email id"  formControlName="emailId" />
+    </div>
+    <div class="input-form">
+      <label>Phone</label>
+      <input placeholder="Enter the phone number"  formControlName="phoneNumber" />
+    </div>
+    <div class="input-form">
+      <label>Company</label>
+      <input placeholder="Enter the company name" formControlName="companyName" />
+    </div>
+    <div class="input-form">
+      <label>Street</label>
+      <input placeholder="Enter the street" formControlName="street" />
+    </div>
+    <div class="input-form">
+      <label>City</label>
+      <input placeholder="Enter the city" formControlName="city" />
+    </div>
+    <div class="input-form">
+      <label>Zipcode</label>
+      <input placeholder="Enter the zipcode" formControlName="zipCode" />
+    </div>
+    <div class="error" *ngIf="hasError">
+      <span>Please enter all the details</span>
+    </div>
+    <div class="form-btn">
+      <button (click)="addUser()">Add User</button>
+    </div>
+  </div>
   </form>
-</div>
+  </div>
+
+

user-app/src/app/pages/create-user/create-user.component.ts

@@ -7,4 +7,38 @@ import { FormBuilder, FormGroup, Validators } from '@angular/forms';
   templateUrl: './create-user.component.html',
   styleUrls: ['./create-user.component.scss'],
 })
-export class CreateUserComponent {}
+export class CreateUserComponent {
+  hasError: boolean = false;
+  userFormBuilder: FormGroup;
+
+  constructor(private readonly formBuilder: FormBuilder,private userService: UserService) {
+  this.userFormBuilder = this.formBuilder.group({
+    emailId: formBuilder.control("", [Validators.required, Validators.email]),
+    name: formBuilder.control("", [Validators.required]),
+    phoneNumber: formBuilder.control("", [Validators.required]),
+    companyName: formBuilder.control("", [Validators.required]),
+    city: formBuilder.control("", [Validators.required]),
+    street: formBuilder.control("", [Validators.required]),
+    zipCode: formBuilder.control("", [Validators.required]),
+    });
+  }
+
+    addUser() {
+      this.hasError = false;
+      if (this.userFormBuilder.valid) {
+        this.userService.addUser({
+          id: Math.floor(Math.random() * 10),
+          name: this.userFormBuilder.controls['name'].value,
+          emailId: this.userFormBuilder.controls['emailId'].value,
+          phoneNumber: this.userFormBuilder.controls['phoneNumber'].value,
+          companyName: this.userFormBuilder.controls['companyName'].value,
+          street: this.userFormBuilder.controls['street'].value,
+          city: this.userFormBuilder.controls['city'].value,
+          zipCode: this.userFormBuilder.controls['zipCode'].value,
+        });
+      } else {
+        this.hasError = true;
+      }
+    }
+
+}

user-app/src/app/pages/header/header.component.html

@@ -1 +1,17 @@
-<p>Header Works</p>
+<!-- <p>Header Works</p>
+<span>{{title}}</span>
+<br><br>
+<button (click)="onClick()">Change Value</button> -->
+<div class="header">
+    <img
+    routerLink=""
+    src="../../../assets/unicourt-logo.png"
+    alt="logo"
+    height="54"
+    />
+    <div class="menu">
+        <label routerLink="/user-list">Home</label>
+   <label routerLink="/about-us">About-Us</label>
+   <label routerLink="/contact">Contact</label>
+    </div>
+</div>

user-app/src/app/pages/header/header.component.ts

@@ -1,8 +1,14 @@
-import { Component } from '@angular/core';
+import { Component,Input,Output,EventEmitter } from '@angular/core';
 
 @Component({
   selector: 'app-header',
   templateUrl: './header.component.html',
   styleUrls: ['./header.component.scss'],
 })
-export class HeaderComponent {}
+export class HeaderComponent {
+  @Input() title :String;
+  @Output() changevalue = new EventEmitter<any>
+  onClick(){
+    this.changevalue.emit();
+  }
+}

user-app/src/app/pages/user-card/user-card.component.html

@@ -1,3 +1,10 @@
 <div class="user-card">
-  <p>User Card works</p>
+  <label>{{ name }}</label> <br /><br/>
+  <span>{{ emailId }}</span> <br /> <br>
+  <span>{{ city }}</span> <br />
+  <button class="detail-btn" routerLink="user-detail" (click)="setUserId(id)">
+    DETAIL
+  </button>
+  <button class="delete-btn" (click)="deleteUserById(id)">DELETE</button>
 </div>
+

user-app/src/app/pages/user-card/user-card.component.ts

@@ -6,4 +6,22 @@ import { UserService } from 'src/app/services/user.service';
   templateUrl: './user-card.component.html',
   styleUrls: ['./user-card.component.scss'],
 })
-export class UserCardComponent {}
+export class UserCardComponent {
+  @Input() id: number;
+@Input() name: string;
+@Input() emailId: string;
+@Input() city: string;
+
+@Output() deleteUser = new EventEmitter<Number>();
+
+constructor(public userService: UserService) {}
+
+setUserId(id: number) {
+  this.userService.userId = id
+}
+
+deleteUserById(id) {
+  this.deleteUser.emit(id);
+}
+
+}

user-app/src/app/pages/user-detail/user-detail.component.html

@@ -1,3 +1,21 @@
 <div class="user-detail">
-  <p>User Detail Works</p>
+  <div *ngIf="!hasError" class="card">
+    <h2>{{ userDetail.name }}</h2>
+    <label>Emaild Id : {{ userDetail.emailId }}</label>
+    <label> Phone Number : {{ userDetail.phone }}</label>
+    <label>Company Name : {{ userDetail.companyName }}</label>
+    <div>
+      <h3>Address</h3>
+      <label>{{ userDetail.street }}</label
+      ><br />
+      <label>{{ userDetail.city }}</label
+      ><br />
+      <label>{{ userDetail.zipCode }}</label
+      ><br />
+    </div>
+  </div>
+  <div *ngIf="hasError" class="error">
+    <span>Unable to show the data</span>
+  </div>
 </div>
+

user-app/src/app/pages/user-detail/user-detail.component.ts

@@ -7,4 +7,41 @@ import { UserService } from 'src/app/services/user.service';
   templateUrl: './user-detail.component.html',
   styleUrls: ['./user-detail.component.scss'],
 })
-export class UserDetailComponent {}
+export class UserDetailComponent {
+  userDetail: UserDetail = {
+    id: this.userService.userId,
+    name: '',
+    city: '',
+    companyName: '',
+    emailId: '',
+    phoneNumber: '',
+    street: '',
+    zipCode: '',
+  };
+
+  hasError: boolean = false;
+
+  constructor(private userService: UserService) {}
+
+  ngOnInit() {
+    this.hasError = false;
+    this.userService.getUserDetail(this.userService.userId).subscribe({
+      next: (response: any) => {
+        console.log('user detail response', response);
+        this.userDetail.name = response.name;
+        this.userDetail.emailId = response.email;
+        this.userDetail.city = response.address.city;
+        this.userDetail.companyName = response.company.name;
+        this.userDetail.phoneNumber = response.phone;
+        this.userDetail.zipCode = response.address.zipcode;
+        this.userDetail.street = response.address.street;
+      },
+      error: (error) => {
+        this.hasError = true;
+        console.log('user detail error', error);
+      },
+    });
+  }
+
+
+}

user-app/src/app/pages/user-list/user-list.component.html

@@ -1,3 +1,9 @@
 <div class="container">
-  <p>User List Works</p>
+  <p>User List Works</p><div class="user-card-container">
+  <app-user-card *ngFor="let item of userService.users"
+  [id]="item.id"
+  [name]="item.username"
+  [emailId]="item.email"></app-user-card></div>
+  <button routerLink="/create-user">Create User</button>
 </div>
+

user-app/src/app/pages/user-list/user-list.component.ts

@@ -7,4 +7,32 @@ import { UserService } from 'src/app/services/user.service';
   templateUrl: './user-list.component.html',
   styleUrls: ['./user-list.component.scss'],
 })
-export class UserListComponent {}
+export class UserListComponent {
+  /*users :User[] = [
+    {
+      name : 'Johnson',
+      city : 'Mangalore',
+      emailId: 'johnson@gmail.com',
+      id:1,
+    },
+    {
+      name : 'shaaa',
+      city : 'kutthi',
+      emailId: 'shaaa@gmail.com',
+      id:1,
+    },
+    {
+      name : 'Jithin',
+      city : 'baindoor',
+      emailId: 'jithin@gmail.com',
+      id:1,
+    },
+  ]*/                    
+  constructor (public userService:UserService){}
+  ngOnInit()
+  {
+    this.userService.getUsers();
+  }
+}
+
+