US09: Add a list component for the owners
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@ -7,13 +7,15 @@ import { AddHorseComponent } from './component/add-horse/add-horse.component';
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import { UpdateHorseComponent } from './component/update-horse/update-horse.component';
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import { AddOwnerComponent } from './component/add-owner/add-owner.component';
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import { UpdateOwnerComponent } from './component/update-owner/update-owner.component';
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import { ListOwnersComponent } from './component/list-owners/list-owners.component';
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const routes: Routes = [
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{path: '', redirectTo: 'owner', pathMatch: 'full'},
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{path: 'owner', component: OwnerComponent},
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{path: 'owner', component: ListOwnersComponent},
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{path: 'owner/add', component: AddOwnerComponent},
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{path: 'owner/:id/edit', component: UpdateOwnerComponent},
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{path: 'owner/:id', component: OwnerComponent},
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{path: 'horse', component: ListHorsesComponent},
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{path: 'horse/add', component: AddHorseComponent},
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{path: 'horse/:id/edit', component: UpdateHorseComponent},
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@ -13,6 +13,7 @@ import { UpdateHorseComponent } from './component/update-horse/update-horse.comp
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import { ListHorsesComponent } from './component/list-horses/list-horses.component';
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import { AddOwnerComponent } from './component/add-owner/add-owner.component';
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import { UpdateOwnerComponent } from './component/update-owner/update-owner.component';
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import { ListOwnersComponent } from './component/list-owners/list-owners.component';
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@NgModule({
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declarations: [
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@ -24,7 +25,8 @@ import { UpdateOwnerComponent } from './component/update-owner/update-owner.comp
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UpdateHorseComponent,
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ListHorsesComponent,
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AddOwnerComponent,
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UpdateOwnerComponent
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UpdateOwnerComponent,
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ListOwnersComponent
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],
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imports: [
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BrowserModule,
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@ -0,0 +1,38 @@
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<div *ngIf="error" class="alert alert-danger alert-dismissible fade show" role="alert">
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<strong>Error! </strong> {{ errorMessage }}
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<button type="button" (click)="vanishError()" class="close" data-dismiss="alert" aria-label="Close">
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<span aria-hidden="true">×</span>
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</button>
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</div>
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<div class="container">
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<h1>Horse Owners List</h1>
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<form class="search-form" id="searchForm" (ngSubmit)="loadFilteredOwners()" #searchForm="ngForm">
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<div class="row">
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<div class="col">
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<input type="text" class="form-control" name="name" [(ngModel)]="filters.name" placeholder="Name">
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</div>
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<button type="submit" class="btn btn-primary"><i class="fas fa-search"></i></button>
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<button type="button" onclick="document.getElementById('searchForm').reset();" class="btn btn-danger"><i class="fas fa-times"></i></button>
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</div>
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</form>
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<table class="table">
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<thead>
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<tr>
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<th scope="col">#</th>
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<th scope="col">Name</th>
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<th scope="col">Actions</th>
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</tr>
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</thead>
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<tbody>
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<tr *ngFor="let owner of owners; let id = index">
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<td>{{ id + 1 }}</td>
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<td>{{ owner.name }}</td>
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<td>
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<a class="btn btn-success" href="owner/{{ owner.id }}/edit"><i class="fas fa-edit"></i></a>
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<button class="btn btn-danger"><i class="fas fa-trash"></i></button>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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@ -0,0 +1,8 @@
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.search-form{
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margin-top: 1%;
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margin-bottom: 3%;
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}
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.btn {
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margin-left: 0.5%;
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}
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@ -0,0 +1,88 @@
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import { Component, OnInit } from '@angular/core';
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import { Owner } from '../../dto/owner';
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import { OwnerService } from '../../service/owner.service';
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import { HttpParams } from '@angular/common/http';
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@Component({
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selector: 'app-list-owners',
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templateUrl: './list-owners.component.html',
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styleUrls: ['./list-owners.component.scss']
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})
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export class ListOwnersComponent implements OnInit {
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error = false;
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errorMessage = '';
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owners: Array<Owner>;
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filters: {
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name: string
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};
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constructor(private ownerService: OwnerService) { }
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ngOnInit(): void {
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// Nullify queries
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this.filters = {
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name: ""
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};
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this.loadAllOwners();
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}
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/**
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* Error flag will be deactivated, which clears the error message
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*/
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vanishError() {
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this.error = false;
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}
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/**
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* Loads all owners from the database
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*/
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private loadAllOwners() {
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console.log("GET all owners from API");
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this.ownerService.getAllOwners().subscribe(
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(owners: Array<Owner>) => {
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this.owners = owners;
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},
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error => {
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this.defaultServiceErrorHandling(error);
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}
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);
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}
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/**
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* Load filtered owners from the database
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*/
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public loadFilteredOwners() {
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console.log("GET filtered owners from API");
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console.log(this.filters);
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// Create HttpParams for the sorting
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let params: HttpParams = new HttpParams();
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if(this.filters.name != null && this.filters.name.length !== 0)
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params = params.set('name', this.filters.name);
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this.ownerService.getFilteredOwners(params).subscribe(
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(owners: Array<Owner>) => {
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this.owners = owners;
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},
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error => {
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this.owners = null;
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this.defaultServiceErrorHandling(error);
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}
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);
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}
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private defaultServiceErrorHandling(error: any) {
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console.log(error);
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this.error = true;
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if (error.status === 0) {
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// If status is 0, the backend is probably down
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this.errorMessage = 'The backend seems not to be reachable';
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} else if (error.error.message === 'No message available') {
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// If no detailed error message is provided, fall back to the simple error name
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this.errorMessage = error.error.error;
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} else {
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this.errorMessage = error.error.message;
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}
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}
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}
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@ -1,5 +1,5 @@
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import {Injectable} from '@angular/core';
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import {HttpClient} from '@angular/common/http';
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import {HttpClient, HttpParams} from '@angular/common/http';
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import {Globals} from '../global/globals';
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import {Observable} from 'rxjs';
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import {Owner} from '../dto/owner';
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@ -23,6 +23,23 @@ export class OwnerService {
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return this.httpClient.get<Owner>(this.messageBaseUri + '/' + id);
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}
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/**
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* Loads all owners from the backend
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*/
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getAllOwners(): Observable<Array<Owner>> {
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console.log('Load all owners');
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return this.httpClient.get<Array<Owner>>(this.messageBaseUri);
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}
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/**
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* Load all owners from the backend that correspond to a filter
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* @param filter to use
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*/
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getFilteredOwners(filter: HttpParams): Observable<Array<Owner>> {
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console.log('Load all filtered owners');
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return this.httpClient.get<Array<Owner>>(this.messageBaseUri, { params: filter });
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}
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/**
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* Adds a specific owner to the backend and loads it if successful
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* @param owner
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