Tax done

bookie/src/app/product/product-detail/product-detail.component.html

@@ -0,0 +1,77 @@
+<div fxLayout="row" fxFlex="50%" fxLayoutAlign="space-around center" class="example-card">
+  <mat-card fxFlex>
+    <mat-card-title-group>
+      <mat-card-title>Product</mat-card-title>
+    </mat-card-title-group>
+    <mat-card-content>
+      <form [formGroup]="form" fxLayout="column">
+        <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
+             fxLayoutGap.lt-md="0px">
+          <mat-form-field fxFlex>
+            <mat-label>Code</mat-label>
+            <input matInput placeholder="Code" formControlName="code">
+          </mat-form-field>
+        </div>
+        <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
+             fxLayoutGap.lt-md="0px">
+          <mat-form-field fxFlex="75">
+            <mat-label>Name</mat-label>
+            <input matInput #nameElement placeholder="Name" formControlName="name">
+          </mat-form-field>
+          <mat-form-field fxFlex="25">
+            <mat-label>Units</mat-label>
+            <input matInput placeholder="Units" formControlName="units">
+          </mat-form-field>
+        </div>
+        <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
+             fxLayoutGap.lt-md="0px">
+          <mat-form-field fxFlex>
+            <mat-label>Fraction</mat-label>
+            <input matInput type="number" placeholder="Fraction" formControlName="fraction">
+          </mat-form-field>
+          <mat-form-field cdk-overlay-origin="">
+            <mat-label>Fraction Units</mat-label>
+            <input matInput placeholder="Fraction Units" formControlName="fractionUnits">
+          </mat-form-field>
+          <mat-form-field cdk-overlay-origin="">
+            <mat-label>Yield</mat-label>
+            <input matInput type="number" placeholder="Tield" formControlName="productYield">
+          </mat-form-field>
+        </div>
+        <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
+             fxLayoutGap.lt-md="0px">
+          <mat-form-field fxFlex>
+            <mat-label>{{item.isPurchased ? 'Purchase Price' : 'Cost Price' }}</mat-label>
+            <input matInput type="number" placeholder="{{item.isPurchased ? 'Purchase Price' : 'Cost Price' }}"
+                   formControlName="price">
+          </mat-form-field>
+          <mat-form-field fxFlex [hidden]="!item.isSold">
+            <mat-label>Sale Price</mat-label>
+            <input matInput type="number" placeholder="Sale Price" formControlName="salePrice">
+          </mat-form-field>
+        </div>
+        <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
+             fxLayoutGap.lt-md="0px">
+          <mat-checkbox formControlName="isPurchased">Is Purchased?</mat-checkbox>
+          <mat-checkbox formControlName="isSold">Is Sold?</mat-checkbox>
+          <mat-checkbox formControlName="isActive">Is Active?</mat-checkbox>
+        </div>
+        <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
+             fxLayoutGap.lt-md="0px">
+          <mat-form-field fxFlex>
+            <mat-label>Product Type</mat-label>
+            <mat-select placeholder="Product Group" formControlName="productGroup">
+              <mat-option *ngFor="let pg of productGroups" [value]="pg.id">
+                {{ pg.name }}
+              </mat-option>
+            </mat-select>
+          </mat-form-field>
+        </div>
+      </form>
+    </mat-card-content>
+    <mat-card-actions>
+      <button mat-raised-button color="primary" (click)="save()">Save</button>
+      <button mat-raised-button color="warn" (click)="confirmDelete()" *ngIf="!!item.id">Delete</button>
+    </mat-card-actions>
+  </mat-card>
+</div>

bookie/src/app/product/product-detail/product-detail.component.spec.ts

@@ -0,0 +1,25 @@
+import {async, ComponentFixture, TestBed} from '@angular/core/testing';
+
+import {ProductDetailComponent} from './product-detail.component';
+
+describe('ProductDetailComponent', () => {
+  let component: ProductDetailComponent;
+  let fixture: ComponentFixture<ProductDetailComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ProductDetailComponent]
+    })
+      .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ProductDetailComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

bookie/src/app/product/product-detail/product-detail.component.ts

@@ -0,0 +1,132 @@
+import {AfterViewInit, Component, ElementRef, OnInit, ViewChild} from '@angular/core';
+import {ToasterService} from '../../core/toaster.service';
+import {ActivatedRoute, Router} from '@angular/router';
+import {ProductService} from '../product.service';
+import {Product} from '../../core/product';
+import {ProductGroup} from '../../core/product-group';
+import {ConfirmDialogComponent} from '../../shared/confirm-dialog/confirm-dialog.component';
+import { MatDialog } from '@angular/material/dialog';
+import {FormBuilder, FormGroup} from '@angular/forms';
+
+@Component({
+  selector: 'app-product-detail',
+  templateUrl: './product-detail.component.html',
+  styleUrls: ['./product-detail.component.css']
+})
+export class ProductDetailComponent implements OnInit, AfterViewInit {
+  @ViewChild('nameElement', { static: true }) nameElement: ElementRef;
+  form: FormGroup;
+  productGroups: ProductGroup[];
+  item: Product;
+
+  constructor(
+    private route: ActivatedRoute,
+    private router: Router,
+    private dialog: MatDialog,
+    private fb: FormBuilder,
+    private toaster: ToasterService,
+    private ser: ProductService
+  ) {
+    this.createForm();
+  }
+
+  createForm() {
+    this.form = this.fb.group({
+      code: {value: '', disabled: true},
+      name: '',
+      units: '',
+      fraction: '',
+      fractionUnits: '',
+      productYield: '',
+      price: '',
+      salePrice: '',
+      isPurchased: '',
+      isSold: '',
+      isActive: '',
+      productGroup: ''
+    });
+  }
+
+  ngOnInit() {
+    this.route.data
+      .subscribe((data: { item: Product, productGroups: ProductGroup[] }) => {
+        this.productGroups = data.productGroups;
+        this.showItem(data.item);
+      });
+  }
+
+  showItem(item: Product) {
+    this.item = item;
+    this.form.setValue({
+      code: this.item.code || '(Auto)',
+      name: this.item.name || '',
+      units: this.item.units || '',
+      productGroup: this.item.tax.id ? this.item.tax.id : '',
+      tax: this.item.productGroup.id ? this.item.productGroup.id : '',
+      price: this.item.price || '',
+      hadHappyHour: this.item.hasHappyHour,
+      isNotAvailable: this.item.isNotAvailable,
+      quantity: this.item.quantity || '',
+      isActive: this.item.isActive,
+    });
+  }
+
+  ngAfterViewInit() {
+    setTimeout(() => {
+      this.nameElement.nativeElement.focus();
+    }, 0);
+  }
+
+  save() {
+    this.ser.saveOrUpdate(this.getItem())
+      .subscribe(
+        (result) => {
+          this.toaster.show('Success', '');
+          this.router.navigateByUrl('/products');
+        },
+        (error) => {
+          this.toaster.show('Danger', error.error);
+        }
+      );
+  }
+
+  delete() {
+    this.ser.delete(this.item.id)
+      .subscribe(
+        (result) => {
+          this.toaster.show('Success', '');
+          this.router.navigateByUrl('/products');
+        },
+        (error) => {
+          this.toaster.show('Danger', error.error);
+        }
+      );
+  }
+
+  confirmDelete(): void {
+    const dialogRef = this.dialog.open(ConfirmDialogComponent, {
+      width: '250px',
+      data: {title: 'Delete Product?', content: 'Are you sure? This cannot be undone.'}
+    });
+
+    dialogRef.afterClosed().subscribe((result: boolean) => {
+      if (result) {
+        this.delete();
+      }
+    });
+  }
+
+  getItem(): Product {
+    const formModel = this.form.value;
+    this.item.name = formModel.name;
+    this.item.units = formModel.units;
+    this.item.productGroup.id = formModel.productGroup;
+    this.item.tax.id = formModel.tax;
+    this.item.price = +formModel.price;
+    this.item.hasHappyHour = formModel.hasHappyHour;
+    this.item.isNotAvailable = formModel.isNotAvailable;
+    this.item.quantity = +formModel.quantity;
+    this.item.isActive = formModel.isActive;
+    return this.item;
+  }
+}

bookie/src/app/product/product-list-resolver.service.spec.ts

@@ -0,0 +1,15 @@
+import {inject, TestBed} from '@angular/core/testing';
+
+import {ProductListResolverService} from './product-list-resolver.service';
+
+describe('ProductListResolverService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [ProductListResolverService]
+    });
+  });
+
+  it('should be created', inject([ProductListResolverService], (service: ProductListResolverService) => {
+    expect(service).toBeTruthy();
+  }));
+});

bookie/src/app/product/product-list-resolver.service.ts

@@ -0,0 +1,18 @@
+import {Injectable} from '@angular/core';
+import {ActivatedRouteSnapshot, Resolve, RouterStateSnapshot} from '@angular/router';
+import {Product} from '../core/product';
+import {Observable} from 'rxjs/internal/Observable';
+import {ProductService} from './product.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ProductListResolver implements Resolve<Product[]> {
+
+  constructor(private ser: ProductService) {
+  }
+
+  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<Product[]> {
+    return this.ser.list();
+  }
+}

bookie/src/app/product/product-list/product-list-datasource.ts

@@ -0,0 +1,55 @@
+import {DataSource} from '@angular/cdk/collections';
+import { MatPaginator } from '@angular/material/paginator';
+import {map, tap} from 'rxjs/operators';
+import {merge, Observable, of as observableOf} from 'rxjs';
+import {Product} from '../../core/product';
+
+
+export class ProductListDataSource extends DataSource<Product> {
+  private dataObservable: Observable<Product[]>;
+  private filterValue: string;
+
+  constructor(private paginator: MatPaginator, private filter: Observable<string>, public data: Product[]) {
+    super();
+    this.filter = filter.pipe(
+      tap(x => this.filterValue = x)
+    );
+  }
+
+  connect(): Observable<Product[]> {
+    this.dataObservable = observableOf(this.data);
+    const dataMutations = [
+      this.dataObservable,
+      this.filter,
+      this.paginator.page
+    ];
+
+    return merge(...dataMutations).pipe(
+      map((x: any) => {
+        return this.getPagedData(this.getFilteredData([...this.data]));
+      }),
+      tap((x: Product[]) => this.paginator.length = x.length)
+    );
+  }
+
+  disconnect() {
+  }
+
+  private getFilteredData(data: Product[]): Product[] {
+    const filter = (this.filterValue === undefined) ? '' : this.filterValue;
+    return filter.split(' ').reduce((p: Product[], c: string) => {
+      return p.filter(x => {
+          const productString = (
+            x.code + ' ' + x.name + ' ' + x.units + ' ' + x.productGroup  + (x.isActive ? 'active' : 'deactive')
+          ).toLowerCase();
+          return productString.indexOf(c) !== -1;
+        }
+      );
+    }, Object.assign([], data));
+  }
+
+  private getPagedData(data: Product[]) {
+    const startIndex = this.paginator.pageIndex * this.paginator.pageSize;
+    return data.splice(startIndex, this.paginator.pageSize);
+  }
+}

bookie/src/app/product/product-list/product-list.component.html

@@ -0,0 +1,97 @@
+<mat-card>
+  <mat-card-title-group>
+    <mat-card-title>Products</mat-card-title>
+    <button mat-button mat-icon-button *ngIf="dataSource.data.length" (click)="exportCsv()">
+      <mat-icon>save_alt</mat-icon>
+    </button>
+    <a mat-button [routerLink]="['/products', 'new']">
+      <mat-icon>add_box</mat-icon>
+      Add
+    </a>
+  </mat-card-title-group>
+  <mat-card-content>
+    <form [formGroup]="form" fxLayout="column">
+        <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
+             fxLayoutGap.lt-md="0px">
+          <mat-form-field fxFlex>
+            <mat-label>Product Type</mat-label>
+            <mat-select placeholder="Product Group" formControlName="productGroup" (selectionChange)="filterOn(pg.id)">
+              <mat-option>--</mat-option>
+              <mat-option *ngFor="let pg of productGroups" [value]="pg.id">
+                {{ pg.name }}
+              </mat-option>
+            </mat-select>
+          </mat-form-field>
+        </div>
+    </form>
+    <mat-table #table [dataSource]="dataSource" matSort aria-label="Elements">
+
+      <!-- Name Column -->
+      <ng-container matColumnDef="name">
+        <mat-header-cell *matHeaderCellDef>Name</mat-header-cell>
+        <mat-cell *matCellDef="let row"><a [routerLink]="['/products', row.id]">{{row.name}} ({{row.units}})</a></mat-cell>
+      </ng-container>
+
+      <!-- Price Column -->
+      <ng-container matColumnDef="price">
+        <mat-header-cell *matHeaderCellDef>Price</mat-header-cell>
+        <mat-cell *matCellDef="let row">{{row.price | currency:'INR'}}</mat-cell>
+      </ng-container>
+
+      <!-- Product Group Column -->
+      <ng-container matColumnDef="productGroup">
+        <mat-header-cell *matHeaderCellDef>Product Group</mat-header-cell>
+        <mat-cell *matCellDef="let row">{{row.productGroup}}</mat-cell>
+      </ng-container>
+
+      <!-- Tax Column -->
+      <ng-container matColumnDef="tax">
+        <mat-header-cell *matHeaderCellDef>Tax</mat-header-cell>
+        <mat-cell *matCellDef="let row">{{row.tax}}</mat-cell>
+      </ng-container>
+
+      <!-- Info Column -->
+      <ng-container matColumnDef="info">
+        <mat-header-cell *matHeaderCellDef>Details</mat-header-cell>
+        <mat-cell *matCellDef="let row">
+          <div layout="row">
+            <div flex>
+              <mat-icon>
+                {{ row.hasHappyHour ? "sentiment_satisfied_alt" : "sentiment_dissatisfied" }}
+              </mat-icon>
+              <b> {{ row.hasHappyHour ? "Happy Hour" : "Regular" }}</b>
+            </div>
+            <div flex>
+              <mat-icon>
+                {{ row.isNotAvailable ? "pause" : "play_arrow" }}
+              </mat-icon>
+              <b> {{ row.isNotAvailable ? "Not Available" : "Available" }}</b>
+            </div>
+            <div flex>
+              <mat-icon>
+                {{ row.isActive ? "visibility" : "visibility_off" }}
+              </mat-icon>
+              <b> {{ row.isActive ? "Active" : "Deactivated" }}</b>
+            </div>
+          </div>
+        </mat-cell>
+      </ng-container>
+
+       <!-- Yield Column -->
+      <ng-container matColumnDef="quantity">
+        <mat-header-cell *matHeaderCellDef>Quantity</mat-header-cell>
+        <mat-cell *matCellDef="let row">{{row.quantity | currency:'INR'}}</mat-cell>
+      </ng-container>
+
+     <mat-header-row *matHeaderRowDef="displayedColumns"></mat-header-row>
+      <mat-row *matRowDef="let row; columns: displayedColumns;"></mat-row>
+    </mat-table>
+
+    <mat-paginator #paginator
+                   [length]="dataSource.data.length"
+                   [pageIndex]="0"
+                   [pageSize]="5000"
+                   [pageSizeOptions]="[25, 50, 100, 250, 5000]">
+    </mat-paginator>
+  </mat-card-content>
+</mat-card>

bookie/src/app/product/product-list/product-list.component.spec.ts

@@ -0,0 +1,23 @@
+import {ComponentFixture, fakeAsync, TestBed} from '@angular/core/testing';
+
+import {ProductListComponent} from './product-list.component';
+
+describe('ProductListComponent', () => {
+  let component: ProductListComponent;
+  let fixture: ComponentFixture<ProductListComponent>;
+
+  beforeEach(fakeAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [ProductListComponent]
+    })
+      .compileComponents();
+
+    fixture = TestBed.createComponent(ProductListComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  }));
+
+  it('should compile', () => {
+    expect(component).toBeTruthy();
+  });
+});

bookie/src/app/product/product-list/product-list.component.ts

@@ -0,0 +1,59 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { MatPaginator } from '@angular/material/paginator';
+import { ProductListDataSource } from './product-list-datasource';
+import { Product } from '../../core/product';
+import { ActivatedRoute } from '@angular/router';
+import { FormBuilder, FormGroup } from '@angular/forms';
+import { Observable } from 'rxjs';
+import { ToCsvService } from "../../shared/to-csv.service";
+
+@Component({
+  selector: 'app-product-list',
+  templateUrl: './product-list.component.html',
+  styleUrls: ['./product-list.component.css']
+})
+export class ProductListComponent implements OnInit {
+  @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
+  dataSource: ProductListDataSource;
+  filter: Observable<string> = new Observable<string>();
+  form: FormGroup;
+  list: Product[];
+  /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
+  displayedColumns: string[] = ['name', 'price', 'productGroup', 'tax', 'info', 'quantity'];
+
+  constructor(private route: ActivatedRoute, private fb: FormBuilder, private toCsv: ToCsvService) {
+    this.form = this.fb.group({
+      productGroup: ''
+    });
+  }
+  filterOn(val: string) {
+    console.log(val);
+  }
+
+  ngOnInit() {
+    this.route.data
+      .subscribe((data: { list: Product[] }) => {
+        this.list = data.list;
+      });
+    this.dataSource = new ProductListDataSource(this.paginator, this.filter, this.list);
+  }
+
+   exportCsv() {
+    const headers = {
+      Code: 'code',
+      Name: 'name',
+      Units: 'units',
+      Price: 'price',
+      ProductGroup: 'productGroup',
+      Tax: 'tax'
+    };
+
+    const csvData = new Blob([this.toCsv.toCsv(headers, this.dataSource.data)], {type: 'text/csv;charset=utf-8;'});
+    const link = document.createElement('a');
+    link.href = window.URL.createObjectURL(csvData);
+    link.setAttribute('download', 'products.csv');
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+  }
+}

bookie/src/app/product/product-resolver.service.spec.ts

@@ -0,0 +1,15 @@
+import {inject, TestBed} from '@angular/core/testing';
+
+import {ProductResolverService} from './product-resolver.service';
+
+describe('ProductResolverService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [ProductDetailResolverService]
+    });
+  });
+
+  it('should be created', inject([ProductDetailResolverService], (service: ProductDetailResolverService) => {
+    expect(service).toBeTruthy();
+  }));
+});

bookie/src/app/product/product-resolver.service.ts

@@ -0,0 +1,19 @@
+import {Injectable} from '@angular/core';
+import {ActivatedRouteSnapshot, Resolve, Router, RouterStateSnapshot} from '@angular/router';
+import {ProductService} from './product.service';
+import {Product} from '../core/product';
+import {Observable} from 'rxjs/internal/Observable';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ProductResolver implements Resolve<Product> {
+
+  constructor(private ser: ProductService, private router: Router) {
+  }
+
+  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<Product> {
+    const id = route.paramMap.get('id');
+    return this.ser.get(id);
+  }
+}

bookie/src/app/product/product-routing.module.spec.ts

@@ -0,0 +1,13 @@
+import {ProductRoutingModule} from './product-routing.module';
+
+describe('ProductRoutingModule', () => {
+  let productRoutingModule: ProductRoutingModule;
+
+  beforeEach(() => {
+    productRoutingModule = new ProductRoutingModule();
+  });
+
+  it('should create an instance', () => {
+    expect(productRoutingModule).toBeTruthy();
+  });
+});

bookie/src/app/product/product-routing.module.ts

@@ -0,0 +1,66 @@
+import {NgModule} from '@angular/core';
+import {CommonModule} from '@angular/common';
+import {RouterModule, Routes} from '@angular/router';
+
+import {ProductListResolver} from './product-list-resolver.service';
+import {ProductResolver} from './product-resolver.service';
+import {ProductDetailComponent} from './product-detail/product-detail.component';
+import {ProductListComponent} from './product-list/product-list.component';
+
+import {AuthGuard} from '../auth/auth-guard.service';
+import {ProductGroupListResolver} from '../product-group/product-group-list-resolver.service';
+
+const productRoutes: Routes = [
+  {
+    path: '',
+    component: ProductListComponent,
+    canActivate: [AuthGuard],
+    data: {
+      permission: 'Products'
+    },
+    resolve: {
+      list: ProductListResolver
+    }
+  },
+  {
+    path: 'new',
+    component: ProductDetailComponent,
+    canActivate: [AuthGuard],
+    data: {
+      permission: 'Products'
+    },
+    resolve: {
+      item: ProductResolver,
+      productGroups: ProductGroupListResolver
+    }
+  },
+  {
+    path: ':id',
+    component: ProductDetailComponent,
+    canActivate: [AuthGuard],
+    data: {
+      permission: 'Products'
+    },
+    resolve: {
+      item: ProductResolver,
+      productGroups: ProductGroupListResolver
+    }
+  }
+];
+
+@NgModule({
+  imports: [
+    CommonModule,
+    RouterModule.forChild(productRoutes)
+
+  ],
+  exports: [
+    RouterModule
+  ],
+  providers: [
+    ProductListResolver,
+    ProductResolver
+  ]
+})
+export class ProductRoutingModule {
+}

bookie/src/app/product/product.module.spec.ts

@@ -0,0 +1,13 @@
+import {ProductModule} from './product.module';
+
+describe('ProductModule', () => {
+  let productModule: ProductModule;
+
+  beforeEach(() => {
+    productModule = new ProductModule();
+  });
+
+  it('should create an instance', () => {
+    expect(productModule).toBeTruthy();
+  });
+});

bookie/src/app/product/product.module.ts

@@ -0,0 +1,47 @@
+import {NgModule} from '@angular/core';
+import {CommonModule} from '@angular/common';
+
+import {ProductListComponent} from './product-list/product-list.component';
+import {ProductDetailComponent} from './product-detail/product-detail.component';
+import {ProductRoutingModule} from './product-routing.module';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatCheckboxModule } from '@angular/material/checkbox';
+import { MatOptionModule } from '@angular/material/core';
+import { MatIconModule } from '@angular/material/icon';
+import { MatInputModule } from '@angular/material/input';
+import { MatPaginatorModule } from '@angular/material/paginator';
+import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
+import { MatSelectModule } from '@angular/material/select';
+import { MatSortModule } from '@angular/material/sort';
+import { MatTableModule } from '@angular/material/table';
+import {CdkTableModule} from '@angular/cdk/table';
+import {ReactiveFormsModule} from '@angular/forms';
+import {FlexLayoutModule} from '@angular/flex-layout';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    CdkTableModule,
+    FlexLayoutModule,
+    MatTableModule,
+    MatPaginatorModule,
+    MatSortModule,
+    MatCardModule,
+    MatProgressSpinnerModule,
+    MatInputModule,
+    MatButtonModule,
+    MatIconModule,
+    MatOptionModule,
+    MatSelectModule,
+    MatCheckboxModule,
+    ReactiveFormsModule,
+    ProductRoutingModule
+  ],
+  declarations: [
+    ProductListComponent,
+    ProductDetailComponent
+  ]
+})
+export class ProductModule {
+}

bookie/src/app/product/product.service.spec.ts

@@ -0,0 +1,15 @@
+import {inject, TestBed} from '@angular/core/testing';
+
+import {ProductService} from './product.service';
+
+describe('ProductService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [ProductService]
+    });
+  });
+
+  it('should be created', inject([ProductService], (service: ProductService) => {
+    expect(service).toBeTruthy();
+  }));
+});

bookie/src/app/product/product.service.ts

@@ -0,0 +1,81 @@
+import {Injectable} from '@angular/core';
+import {Observable} from 'rxjs/internal/Observable';
+import {catchError} from 'rxjs/operators';
+import {HttpClient, HttpHeaders, HttpParams} from '@angular/common/http';
+import {Product} from '../core/product';
+import {ErrorLoggerService} from '../core/error-logger.service';
+
+const httpOptions = {
+  headers: new HttpHeaders({'Content-Type': 'application/json'})
+};
+
+const url = '/v1/products';
+const serviceName = 'ProductService';
+
+@Injectable({providedIn: 'root'})
+export class ProductService {
+
+  constructor(private http: HttpClient, private log: ErrorLoggerService) {
+  }
+
+  get(id: string): Observable<Product> {
+    const getUrl: string = (id === null) ? `${url}/new` : `${url}/${id}`;
+    return <Observable<Product>>this.http.get<Product>(getUrl)
+      .pipe(
+        catchError(this.log.handleError(serviceName, `get id=${id}`))
+      );
+  }
+
+  list(): Observable<Product[]> {
+    const options = {params: new HttpParams().set('l', '')};
+    return <Observable<Product[]>>this.http.get<Product[]>(url, options)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'getList'))
+      );
+  }
+
+  save(product: Product): Observable<Product> {
+    return <Observable<Product>>this.http.post<Product>(`${url}/new`, product, httpOptions)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'save'))
+      );
+  }
+
+  update(product: Product): Observable<Product> {
+    return <Observable<Product>>this.http.put<Product>(`${url}/${product.id}`, product, httpOptions)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'update'))
+      );
+  }
+
+  saveOrUpdate(product: Product): Observable<Product> {
+    if (!product.id) {
+      return this.save(product);
+    } else {
+      return this.update(product);
+    }
+  }
+
+  delete(id: string): Observable<Product> {
+    return <Observable<Product>>this.http.delete<Product>(`${url}/${id}`, httpOptions)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'delete'))
+      );
+  }
+
+  autocomplete(term: string): Observable<Product[]> {
+    const options = {params: new HttpParams().set('t', term)};
+    return <Observable<Product[]>>this.http.get<Product[]>(url, options)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'autocomplete'))
+      );
+  }
+
+  balance(id: string, date: string): Observable<number> {
+    const options = {params: new HttpParams().set('b', 'true').set('d', date)};
+    return <Observable<number>>this.http.get<number>(`${url}/${id}`, options)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'balance'))
+      );
+  }
+}