Added: Rate Contract Module. To implement: Checking this during purchase.

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

@@ -68,6 +68,11 @@ const appRoutes: Routes = [
         (mod) => mod.EmployeeFunctionsModule,
       ),
   },
+  {
+    path: 'rate-contracts',
+    loadChildren: () =>
+      import('./rate-contract/rate-contract.module').then((mod) => mod.RateContractModule),
+  },
   {
     path: 'roles',
     loadChildren: () => import('./role/role.module').then((mod) => mod.RoleModule),

overlord/src/app/core/nav-bar/nav-bar.component.html

@@ -30,6 +30,7 @@
     <a mat-menu-item routerLink="/purchases">Purchases</a>
     <a mat-menu-item routerLink="/closing-stock">Closing Stock</a>
     <a mat-menu-item routerLink="/stock-movement">Stock Movement</a>
+    <a mat-menu-item routerLink="/rate-contracts">Rate Contracts</a>
   </mat-menu>
   <button mat-button [matMenuTriggerFor]="productReportMenu">Product Reports</button>
 

overlord/src/app/rate-contract/rate-contact.module.spec.ts

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

overlord/src/app/rate-contract/rate-contract-detail/rate-contract-detail-datasource.ts

@@ -0,0 +1,16 @@
+import { DataSource } from '@angular/cdk/collections';
+import { Observable } from 'rxjs';
+
+import { RateContractItem } from '../rate-contract-item';
+
+export class RateContractDetailDatasource extends DataSource<RateContractItem> {
+  constructor(private data: Observable<RateContractItem[]>) {
+    super();
+  }
+
+  connect(): Observable<RateContractItem[]> {
+    return this.data;
+  }
+
+  disconnect() {}
+}

overlord/src/app/rate-contract/rate-contract-detail/rate-contract-detail.component.css

@@ -0,0 +1,3 @@
+.example-card {
+  max-width: 400px;
+}

overlord/src/app/rate-contract/rate-contract-detail/rate-contract-detail.component.html

@@ -0,0 +1,164 @@
+<div fxLayout="row" fxFlex="50%" fxLayoutAlign="space-around center" class="example-card">
+  <mat-card fxFlex>
+    <mat-card-title-group>
+      <mat-card-title>Rate Contract</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="40">
+            <input
+              matInput
+              [matDatepicker]="date"
+              placeholder="Date"
+              formControlName="date"
+              autocomplete="off"
+              #dateElement
+            />
+            <mat-datepicker-toggle matSuffix [for]="date"></mat-datepicker-toggle>
+            <mat-datepicker #date></mat-datepicker>
+          </mat-form-field>
+          <mat-form-field fxFlex="60">
+            <input
+              type="text"
+              matInput
+              placeholder="Account"
+              #accountElement
+              [matAutocomplete]="autoA"
+              formControlName="account"
+              autocomplete="off"
+            />
+            <mat-autocomplete
+              #autoA="matAutocomplete"
+              autoActiveFirstOption
+              [displayWith]="displayFn"
+              (optionSelected)="accountSelected($event)"
+            >
+              <mat-option *ngFor="let account of accounts | async" [value]="account">{{
+                account.name
+              }}</mat-option>
+            </mat-autocomplete>
+          </mat-form-field>
+        </div>
+        <div
+          fxLayout="row"
+          fxLayout.lt-md="column"
+          fxLayoutGap="20px"
+          fxLayoutGap.lt-md="0px"
+          fxLayoutAlign="space-around start"
+        >
+          <mat-form-field fxFlex>
+            <input
+              matInput
+              [matDatepicker]="validFrom"
+              placeholder="Valid From"
+              formControlName="validFrom"
+              autocomplete="off"
+            />
+            <mat-datepicker-toggle matSuffix [for]="validFrom"></mat-datepicker-toggle>
+            <mat-datepicker #validFrom></mat-datepicker>
+          </mat-form-field>
+          <mat-form-field fxFlex>
+            <input
+              matInput
+              [matDatepicker]="validTill"
+              placeholder="Valid Till"
+              formControlName="validTill"
+              autocomplete="off"
+            />
+            <mat-datepicker-toggle matSuffix [for]="validTill"></mat-datepicker-toggle>
+            <mat-datepicker #validTill></mat-datepicker>
+          </mat-form-field>
+        </div>
+        <div
+          formGroupName="addRow"
+          fxLayout="row"
+          fxLayoutAlign="space-around start"
+          fxLayout.lt-md="column"
+          fxLayoutGap="20px"
+          fxLayoutGap.lt-md="0px"
+        >
+          <mat-form-field fxFlex="60">
+            <input
+              type="text"
+              matInput
+              placeholder="Product"
+              #productElement
+              [matAutocomplete]="autoP"
+              formControlName="product"
+              autocomplete="off"
+            />
+            <mat-autocomplete
+              #autoP="matAutocomplete"
+              autoActiveFirstOption
+              [displayWith]="displayFn"
+              (optionSelected)="productSelected($event)"
+            >
+              <mat-option *ngFor="let product of products | async" [value]="product">{{
+                product.name
+              }}</mat-option>
+            </mat-autocomplete>
+          </mat-form-field>
+          <mat-form-field fxFlex="20">
+            <mat-label>Price</mat-label>
+            <input
+              type="text"
+              matInput
+              placeholder="Price"
+              formControlName="price"
+              autocomplete="off"
+            />
+          </mat-form-field>
+          <button mat-raised-button color="primary" (click)="addRow()" fxFlex="20">Add</button>
+        </div>
+        <mat-table #table [dataSource]="dataSource" matSort aria-label="Elements">
+          <!-- Product Column -->
+          <ng-container matColumnDef="product">
+            <mat-header-cell *matHeaderCellDef>Product</mat-header-cell>
+            <mat-cell *matCellDef="let row">{{ row.product.name }}</mat-cell>
+          </ng-container>
+
+          <!-- Price Column -->
+          <ng-container matColumnDef="price">
+            <mat-header-cell *matHeaderCellDef class="right">Price</mat-header-cell>
+            <mat-cell *matCellDef="let row" class="right">{{
+              row.price | currency: 'INR'
+            }}</mat-cell>
+          </ng-container>
+
+          <!-- Action Column -->
+          <ng-container matColumnDef="action">
+            <mat-header-cell *matHeaderCellDef class="center">Action</mat-header-cell>
+            <mat-cell *matCellDef="let row" class="center">
+              <button mat-icon-button tabindex="-1" color="warn" (click)="deleteRow(row)">
+                <mat-icon>delete</mat-icon>
+              </button>
+            </mat-cell>
+          </ng-container>
+
+          <mat-header-row *matHeaderRowDef="displayedColumns"></mat-header-row>
+          <mat-row *matRowDef="let row; columns: displayedColumns"></mat-row>
+        </mat-table>
+        <mat-form-field>
+          <mat-label>Narration</mat-label>
+          <textarea
+            matInput
+            matAutosizeMinRows="5"
+            placeholder="Narration"
+            formControlName="narration"
+          ></textarea>
+        </mat-form-field>
+      </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()">Delete</button>
+    </mat-card-actions>
+  </mat-card>
+</div>

overlord/src/app/rate-contract/rate-contract-detail/rate-contract-detail.component.spec.ts

@@ -0,0 +1,29 @@
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { ReactiveFormsModule } from '@angular/forms';
+import { RouterTestingModule } from '@angular/router/testing';
+
+import { RateContractDetailComponent } from './rate-contract-detail.component';
+
+describe('RateContractDetailComponent', () => {
+  let component: RateContractDetailComponent;
+  let fixture: ComponentFixture<RateContractDetailComponent>;
+
+  beforeEach(
+    waitForAsync(() => {
+      TestBed.configureTestingModule({
+        imports: [ReactiveFormsModule, RouterTestingModule],
+        declarations: [RateContractDetailComponent],
+      }).compileComponents();
+    }),
+  );
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(RateContractDetailComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

overlord/src/app/rate-contract/rate-contract-detail/rate-contract-detail.component.ts

@@ -0,0 +1,219 @@
+import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core';
+import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
+import { MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
+import { MatDialog } from '@angular/material/dialog';
+import { ActivatedRoute, Router } from '@angular/router';
+import * as moment from 'moment';
+import { BehaviorSubject, Observable, of as observableOf } from 'rxjs';
+import { debounceTime, distinctUntilChanged, map, startWith, switchMap } from 'rxjs/operators';
+
+import { Account } from '../../core/account';
+import { AccountService } from '../../core/account.service';
+import { Product } from '../../core/product';
+import { ToasterService } from '../../core/toaster.service';
+import { ProductService } from '../../product/product.service';
+import { ConfirmDialogComponent } from '../../shared/confirm-dialog/confirm-dialog.component';
+import { MathService } from '../../shared/math.service';
+import { RateContract } from '../rate-contract';
+import { RateContractItem } from '../rate-contract-item';
+import { RateContractService } from '../rate-contract.service';
+
+import { RateContractDetailDatasource } from './rate-contract-detail-datasource';
+
+@Component({
+  selector: 'app-rate-contract-detail',
+  templateUrl: './rate-contract-detail.component.html',
+  styleUrls: ['./rate-contract-detail.component.css'],
+})
+export class RateContractDetailComponent implements OnInit, AfterViewInit {
+  @ViewChild('accountElement', { static: true }) accountElement?: ElementRef;
+  @ViewChild('productElement', { static: true }) productElement?: ElementRef;
+  public itemsObservable = new BehaviorSubject<RateContractItem[]>([]);
+  dataSource: RateContractDetailDatasource = new RateContractDetailDatasource(this.itemsObservable);
+  form: FormGroup;
+  item: RateContract = new RateContract();
+
+  product: Product | null = null;
+
+  displayedColumns = ['product', 'price', 'action'];
+
+  accounts: Observable<Account[]>;
+  products: Observable<Product[]>;
+
+  constructor(
+    private route: ActivatedRoute,
+    private router: Router,
+    private fb: FormBuilder,
+    private toaster: ToasterService,
+    private dialog: MatDialog,
+    private math: MathService,
+    private ser: RateContractService,
+    private productSer: ProductService,
+    private accountSer: AccountService,
+  ) {
+    this.form = this.fb.group({
+      date: '',
+      account: '',
+      validFrom: '',
+      validTill: '',
+      addRow: this.fb.group({
+        product: '',
+        price: '',
+      }),
+      narration: '',
+    });
+    this.accounts = (this.form.get('account') as FormControl).valueChanges.pipe(
+      startWith(null),
+      map((x) => (x !== null && x.length >= 1 ? x : null)),
+      debounceTime(150),
+      distinctUntilChanged(),
+      switchMap((x) => (x === null ? observableOf([]) : this.accountSer.autocomplete(x))),
+    );
+    // Listen to Product Autocomplete Change
+    this.products = (
+      (this.form.get('addRow') as FormControl).get('product') as FormControl
+    ).valueChanges.pipe(
+      startWith(null),
+      map((x) => (x !== null && x.length >= 1 ? x : null)),
+      debounceTime(150),
+      distinctUntilChanged(),
+      switchMap((x) => (x === null ? observableOf([]) : this.productSer.autocomplete(x))),
+    );
+  }
+
+  ngOnInit() {
+    this.route.data.subscribe((value) => {
+      const data = value as { item: RateContract };
+      this.loadItem(data.item);
+    });
+  }
+
+  loadItem(item: RateContract) {
+    this.item = item;
+    this.form.setValue({
+      date: moment(this.item.date, 'DD-MMM-YYYY').toDate(),
+      validFrom: moment(this.item.validFrom, 'DD-MMM-YYYY').toDate(),
+      validTill: moment(this.item.validTill, 'DD-MMM-YYYY').toDate(),
+      account: this.item.vendor,
+      addRow: {
+        product: '',
+        price: '',
+      },
+      narration: this.item.narration,
+    });
+    this.dataSource = new RateContractDetailDatasource(this.itemsObservable);
+    this.updateView();
+  }
+
+  ngAfterViewInit() {
+    setTimeout(() => {
+      if (this.accountElement) {
+        this.accountElement.nativeElement.focus();
+      }
+    }, 0);
+  }
+
+  addRow() {
+    const formValue = (this.form.get('addRow') as FormControl).value;
+    const price = this.math.parseAmount(formValue.price, 2);
+    if (this.product === null || price <= 0) {
+      return;
+    }
+    const oldFiltered = this.item.items.filter(
+      (x) => x.product.id === (this.product as Product).id,
+    );
+    if (oldFiltered.length) {
+      this.toaster.show('Danger', 'Product already added');
+      return;
+    }
+    this.item.items.push(
+      new RateContractItem({
+        price,
+        product: this.product,
+      }),
+    );
+    this.resetAddRow();
+    this.updateView();
+  }
+
+  resetAddRow() {
+    (this.form.get('addRow') as FormControl).reset({
+      product: null,
+      price: '',
+    });
+    this.product = null;
+    setTimeout(() => {
+      if (this.productElement) {
+        this.productElement.nativeElement.focus();
+      }
+    }, 0);
+  }
+
+  displayFn(item?: Account | Product): string {
+    return item ? item.name : '';
+  }
+
+  updateView() {
+    this.itemsObservable.next(this.item.items);
+  }
+
+  accountSelected(event: MatAutocompleteSelectedEvent): void {
+    (this.form.get('account') as FormControl).setValue(event.option.value);
+  }
+
+  productSelected(event: MatAutocompleteSelectedEvent): void {
+    this.product = event.option.value;
+  }
+
+  deleteRow(row: RateContractItem) {
+    this.item.items.splice(this.item.items.indexOf(row), 1);
+    this.updateView();
+  }
+
+  save() {
+    this.ser.saveOrUpdate(this.getItem()).subscribe(
+      () => {
+        this.toaster.show('Success', '');
+        this.router.navigateByUrl('/rate-contracts');
+      },
+      (error) => {
+        this.toaster.show('Danger', error);
+      },
+    );
+  }
+
+  delete() {
+    this.ser.delete(this.item.id as string).subscribe(
+      () => {
+        this.toaster.show('Success', '');
+        this.router.navigateByUrl('/rate-contracts');
+      },
+      (error) => {
+        this.toaster.show('Danger', error);
+      },
+    );
+  }
+
+  confirmDelete(): void {
+    const dialogRef = this.dialog.open(ConfirmDialogComponent, {
+      width: '250px',
+      data: { title: 'Delete RateContract?', content: 'Are you sure? This cannot be undone.' },
+    });
+
+    dialogRef.afterClosed().subscribe((result: boolean) => {
+      if (result) {
+        this.delete();
+      }
+    });
+  }
+
+  getItem(): RateContract {
+    const formModel = this.form.value;
+    this.item.date = moment(formModel.date).format('DD-MMM-YYYY');
+    this.item.validFrom = moment(formModel.validFrom).format('DD-MMM-YYYY');
+    this.item.validTill = moment(formModel.validTill).format('DD-MMM-YYYY');
+    this.item.vendor = formModel.account;
+    this.item.narration = formModel.narration;
+    return this.item;
+  }
+}

overlord/src/app/rate-contract/rate-contract-item.ts

@@ -0,0 +1,13 @@
+import { Product } from '../core/product';
+
+export class RateContractItem {
+  id: string | undefined;
+  product: Product;
+  price: number;
+
+  public constructor(init?: Partial<RateContractItem>) {
+    this.product = new Product();
+    this.price = 0;
+    Object.assign(this, init);
+  }
+}

overlord/src/app/rate-contract/rate-contract-list-resolver.service.spec.ts

@@ -0,0 +1,21 @@
+import { HttpClientModule } from '@angular/common/http';
+import { inject, TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+
+import { RateContractListResolver } from './rate-contract-list-resolver.service';
+
+describe('RateContractListResolver', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      imports: [HttpClientModule, RouterTestingModule],
+      providers: [RateContractListResolver],
+    });
+  });
+
+  it('should be created', inject(
+    [RateContractListResolver],
+    (service: RateContractListResolver) => {
+      expect(service).toBeTruthy();
+    },
+  ));
+});

overlord/src/app/rate-contract/rate-contract-list-resolver.service.ts

@@ -0,0 +1,17 @@
+import { Injectable } from '@angular/core';
+import { Resolve } from '@angular/router';
+import { Observable } from 'rxjs/internal/Observable';
+
+import { RateContract } from './rate-contract';
+import { RateContractService } from './rate-contract.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class RateContractListResolver implements Resolve<RateContract[]> {
+  constructor(private ser: RateContractService) {}
+
+  resolve(): Observable<RateContract[]> {
+    return this.ser.list();
+  }
+}

overlord/src/app/rate-contract/rate-contract-list/rate-contract-list-datasource.ts

@@ -0,0 +1,74 @@
+import { DataSource } from '@angular/cdk/collections';
+import { EventEmitter } from '@angular/core';
+import { MatPaginator, PageEvent } from '@angular/material/paginator';
+import { MatSort, Sort } from '@angular/material/sort';
+import { merge, Observable, of as observableOf } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { RateContract } from '../rate-contract';
+
+/** Simple sort comparator for example ID/Name columns (for client-side sorting). */
+const compare = (a: string | number, b: string | number, isAsc: boolean) =>
+  (a < b ? -1 : 1) * (isAsc ? 1 : -1);
+export class RateContractListDatasource extends DataSource<RateContract> {
+  constructor(
+    public data: RateContract[],
+    private paginator?: MatPaginator,
+    private sort?: MatSort,
+  ) {
+    super();
+  }
+
+  connect(): Observable<RateContract[]> {
+    const dataMutations: (
+      | Observable<RateContract[]>
+      | EventEmitter<PageEvent>
+      | EventEmitter<Sort>
+    )[] = [observableOf(this.data)];
+    if (this.paginator) {
+      dataMutations.push((this.paginator as MatPaginator).page);
+    }
+    if (this.sort) {
+      dataMutations.push((this.sort as MatSort).sortChange);
+    }
+
+    // Set the paginators length
+    if (this.paginator) {
+      this.paginator.length = this.data.length;
+    }
+
+    return merge(...dataMutations).pipe(
+      map(() => this.getPagedData(this.getSortedData([...this.data]))),
+    );
+  }
+
+  disconnect() {}
+
+  private getPagedData(data: RateContract[]) {
+    if (this.paginator === undefined) {
+      return data;
+    }
+    const startIndex = this.paginator.pageIndex * this.paginator.pageSize;
+    return data.splice(startIndex, this.paginator.pageSize);
+  }
+
+  private getSortedData(data: RateContract[]) {
+    if (this.sort === undefined) {
+      return data;
+    }
+    if (!this.sort.active || this.sort.direction === '') {
+      return data;
+    }
+
+    const sort = this.sort as MatSort;
+    return data.sort((a, b) => {
+      const isAsc = sort.direction === 'asc';
+      switch (sort.active) {
+        case 'vendor':
+          return compare(a.vendor.name, b.vendor.name, isAsc);
+        default:
+          return 0;
+      }
+    });
+  }
+}

overlord/src/app/rate-contract/rate-contract-list/rate-contract-list.component.html

@@ -0,0 +1,52 @@
+<mat-card>
+  <mat-card-title-group>
+    <mat-card-title>Rate Contracts</mat-card-title>
+    <a mat-button [routerLink]="['/rate-contracts', 'new']">
+      <mat-icon>add_box</mat-icon>
+      Add
+    </a>
+  </mat-card-title-group>
+  <mat-card-content>
+    <mat-table #table [dataSource]="dataSource" matSort aria-label="Elements">
+      <!-- Vendor Column -->
+      <ng-container matColumnDef="vendor">
+        <mat-header-cell *matHeaderCellDef mat-sort-header>Vendor</mat-header-cell>
+        <mat-cell *matCellDef="let row"
+          ><a [routerLink]="['/rate-contracts', row.id]"
+            >{{ row.vendor.name }} // {{ row.date }}</a
+          ></mat-cell
+        >
+      </ng-container>
+
+      <!-- Validity Column -->
+      <ng-container matColumnDef="validity">
+        <mat-header-cell *matHeaderCellDef mat-sort-header>Validity</mat-header-cell>
+        <mat-cell *matCellDef="let row"> {{ row.validFrom }} - {{ row.validTill }} </mat-cell>
+      </ng-container>
+
+      <!-- Products Column -->
+      <ng-container matColumnDef="products">
+        <mat-header-cell *matHeaderCellDef mat-sort-header>Products</mat-header-cell>
+        <mat-cell *matCellDef="let row">
+          <ul>
+            <li *ngFor="let item of row.items">
+              {{ item.product.name }} @ {{ item.price | currency: 'INR' }}
+            </li>
+          </ul>
+        </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]="50"
+      [pageSizeOptions]="[25, 50, 100, 250]"
+    >
+    </mat-paginator>
+  </mat-card-content>
+</mat-card>

overlord/src/app/rate-contract/rate-contract-list/rate-contract-list.component.spec.ts

@@ -0,0 +1,24 @@
+import { ComponentFixture, fakeAsync, TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+
+import { RateContractListComponent } from './rate-contract-list.component';
+
+describe('RateContractListComponent', () => {
+  let component: RateContractListComponent;
+  let fixture: ComponentFixture<RateContractListComponent>;
+
+  beforeEach(fakeAsync(() => {
+    TestBed.configureTestingModule({
+      imports: [RouterTestingModule],
+      declarations: [RateContractListComponent],
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(RateContractListComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  }));
+
+  it('should compile', () => {
+    expect(component).toBeTruthy();
+  });
+});

overlord/src/app/rate-contract/rate-contract-list/rate-contract-list.component.ts

@@ -0,0 +1,33 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { MatPaginator } from '@angular/material/paginator';
+import { MatSort } from '@angular/material/sort';
+import { ActivatedRoute } from '@angular/router';
+
+import { RateContract } from '../rate-contract';
+
+import { RateContractListDatasource } from './rate-contract-list-datasource';
+
+@Component({
+  selector: 'app-rate-contract-list',
+  templateUrl: './rate-contract-list.component.html',
+  styleUrls: ['./rate-contract-list.component.css'],
+})
+export class RateContractListComponent implements OnInit {
+  @ViewChild(MatPaginator, { static: true }) paginator?: MatPaginator;
+  @ViewChild(MatSort, { static: true }) sort?: MatSort;
+  list: RateContract[] = [];
+  dataSource: RateContractListDatasource = new RateContractListDatasource(this.list);
+  /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
+  displayedColumns = ['vendor', 'validity', 'products'];
+
+  constructor(private route: ActivatedRoute) {}
+
+  ngOnInit() {
+    this.route.data.subscribe((value) => {
+      const data = value as { list: RateContract[] };
+
+      this.list = data.list;
+    });
+    this.dataSource = new RateContractListDatasource(this.list, this.paginator, this.sort);
+  }
+}

overlord/src/app/rate-contract/rate-contract-resolver.service.spec.ts

@@ -0,0 +1,18 @@
+import { HttpClientModule } from '@angular/common/http';
+import { inject, TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+
+import { RateContractResolver } from './rate-contract-resolver.service';
+
+describe('RateContractResolver', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      imports: [HttpClientModule, RouterTestingModule],
+      providers: [RateContractResolver],
+    });
+  });
+
+  it('should be created', inject([RateContractResolver], (service: RateContractResolver) => {
+    expect(service).toBeTruthy();
+  }));
+});

overlord/src/app/rate-contract/rate-contract-resolver.service.ts

@@ -0,0 +1,18 @@
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, Resolve } from '@angular/router';
+import { Observable } from 'rxjs/internal/Observable';
+
+import { RateContract } from './rate-contract';
+import { RateContractService } from './rate-contract.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class RateContractResolver implements Resolve<RateContract> {
+  constructor(private ser: RateContractService) {}
+
+  resolve(route: ActivatedRouteSnapshot): Observable<RateContract> {
+    const id = route.paramMap.get('id');
+    return this.ser.get(id);
+  }
+}

overlord/src/app/rate-contract/rate-contract-routing.module.spec.ts

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

overlord/src/app/rate-contract/rate-contract-routing.module.ts

@@ -0,0 +1,53 @@
+import { CommonModule } from '@angular/common';
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+
+import { AuthGuard } from '../auth/auth-guard.service';
+
+import { RateContractDetailComponent } from './rate-contract-detail/rate-contract-detail.component';
+import { RateContractListResolver } from './rate-contract-list-resolver.service';
+import { RateContractListComponent } from './rate-contract-list/rate-contract-list.component';
+import { RateContractResolver } from './rate-contract-resolver.service';
+
+const rateContractRoutes: Routes = [
+  {
+    path: '',
+    component: RateContractListComponent,
+    canActivate: [AuthGuard],
+    data: {
+      permission: 'Rate Contracts',
+    },
+    resolve: {
+      list: RateContractListResolver,
+    },
+  },
+  {
+    path: 'new',
+    component: RateContractDetailComponent,
+    canActivate: [AuthGuard],
+    data: {
+      permission: 'Rate Contracts',
+    },
+    resolve: {
+      item: RateContractResolver,
+    },
+  },
+  {
+    path: ':id',
+    component: RateContractDetailComponent,
+    canActivate: [AuthGuard],
+    data: {
+      permission: 'Rate Contracts',
+    },
+    resolve: {
+      item: RateContractResolver,
+    },
+  },
+];
+
+@NgModule({
+  imports: [CommonModule, RouterModule.forChild(rateContractRoutes)],
+  exports: [RouterModule],
+  providers: [RateContractListResolver, RateContractResolver],
+})
+export class RateContractRoutingModule {}

overlord/src/app/rate-contract/rate-contract.module.ts

@@ -0,0 +1,71 @@
+import { CdkTableModule } from '@angular/cdk/table';
+import { CommonModule } from '@angular/common';
+import { NgModule } from '@angular/core';
+import { FlexLayoutModule } from '@angular/flex-layout';
+import { ReactiveFormsModule } from '@angular/forms';
+import { MomentDateAdapter } from '@angular/material-moment-adapter';
+import { MatAutocompleteModule } from '@angular/material/autocomplete';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatCheckboxModule } from '@angular/material/checkbox';
+import {
+  DateAdapter,
+  MAT_DATE_FORMATS,
+  MAT_DATE_LOCALE,
+  MatNativeDateModule,
+} from '@angular/material/core';
+import { MatDatepickerModule } from '@angular/material/datepicker';
+import { MatDividerModule } from '@angular/material/divider';
+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 { MatSortModule } from '@angular/material/sort';
+import { MatTableModule } from '@angular/material/table';
+
+import { SharedModule } from '../shared/shared.module';
+
+import { RateContractDetailComponent } from './rate-contract-detail/rate-contract-detail.component';
+import { RateContractListComponent } from './rate-contract-list/rate-contract-list.component';
+import { RateContractRoutingModule } from './rate-contract-routing.module';
+
+export const MY_FORMATS = {
+  parse: {
+    dateInput: 'DD-MMM-YYYY',
+  },
+  display: {
+    dateInput: 'DD-MMM-YYYY',
+    monthYearLabel: 'MMM YYYY',
+    dateA11yLabel: 'DD-MMM-YYYY',
+    monthYearA11yLabel: 'MMM YYYY',
+  },
+};
+
+@NgModule({
+  imports: [
+    CommonModule,
+    CdkTableModule,
+    FlexLayoutModule,
+    MatButtonModule,
+    MatCardModule,
+    MatCheckboxModule,
+    MatDividerModule,
+    MatIconModule,
+    MatInputModule,
+    MatPaginatorModule,
+    MatProgressSpinnerModule,
+    MatSortModule,
+    MatTableModule,
+    ReactiveFormsModule,
+    SharedModule,
+    RateContractRoutingModule,
+    MatDatepickerModule,
+    MatAutocompleteModule,
+  ],
+  declarations: [RateContractListComponent, RateContractDetailComponent],
+  providers: [
+    { provide: DateAdapter, useClass: MomentDateAdapter, deps: [MAT_DATE_LOCALE] },
+    { provide: MAT_DATE_FORMATS, useValue: MY_FORMATS },
+  ],
+})
+export class RateContractModule {}

overlord/src/app/rate-contract/rate-contract.service.spec.ts

@@ -0,0 +1,17 @@
+import { HttpClientModule } from '@angular/common/http';
+import { inject, TestBed } from '@angular/core/testing';
+
+import { RateContractService } from './rate-contract.service';
+
+describe('RateContractService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      imports: [HttpClientModule],
+      providers: [RateContractService],
+    });
+  });
+
+  it('should be created', inject([RateContractService], (service: RateContractService) => {
+    expect(service).toBeTruthy();
+  }));
+});

overlord/src/app/rate-contract/rate-contract.service.ts

@@ -0,0 +1,58 @@
+import { HttpClient } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs/internal/Observable';
+import { catchError } from 'rxjs/operators';
+
+import { ErrorLoggerService } from '../core/error-logger.service';
+
+import { RateContract } from './rate-contract';
+
+const url = '/api/rate-contracts';
+const serviceName = 'RateContractService';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class RateContractService {
+  constructor(private http: HttpClient, private log: ErrorLoggerService) {}
+
+  get(id: string | null): Observable<RateContract> {
+    const getUrl: string = id === null ? `${url}` : `${url}/${id}`;
+    return this.http
+      .get<RateContract>(getUrl)
+      .pipe(
+        catchError(this.log.handleError(serviceName, `get id=${id}`)),
+      ) as Observable<RateContract>;
+  }
+
+  list(): Observable<RateContract[]> {
+    return this.http
+      .get<RateContract[]>(`${url}/list`)
+      .pipe(catchError(this.log.handleError(serviceName, 'list'))) as Observable<RateContract[]>;
+  }
+
+  save(rateContract: RateContract): Observable<RateContract> {
+    return this.http
+      .post<RateContract>(`${url}`, rateContract)
+      .pipe(catchError(this.log.handleError(serviceName, 'save'))) as Observable<RateContract>;
+  }
+
+  update(rateContract: RateContract): Observable<RateContract> {
+    return this.http
+      .put<RateContract>(`${url}/${rateContract.id}`, rateContract)
+      .pipe(catchError(this.log.handleError(serviceName, 'update'))) as Observable<RateContract>;
+  }
+
+  saveOrUpdate(rateContract: RateContract): Observable<RateContract> {
+    if (!rateContract.id) {
+      return this.save(rateContract);
+    }
+    return this.update(rateContract);
+  }
+
+  delete(id: string): Observable<RateContract> {
+    return this.http
+      .delete<RateContract>(`${url}/${id}`)
+      .pipe(catchError(this.log.handleError(serviceName, 'delete'))) as Observable<RateContract>;
+  }
+}

overlord/src/app/rate-contract/rate-contract.ts

@@ -0,0 +1,30 @@
+import { Account } from '../core/account';
+import { User } from '../core/user';
+
+import { RateContractItem } from './rate-contract-item';
+
+export class RateContract {
+  id: string | undefined;
+  date: string;
+  vendor: Account;
+  validFrom: string;
+  validTill: string;
+  narration: string;
+  creationDate: string;
+  lastEditDate: string;
+  user: User;
+  items: RateContractItem[];
+
+  public constructor(init?: Partial<RateContract>) {
+    this.date = '';
+    this.vendor = new Account();
+    this.validFrom = '';
+    this.validTill = '';
+    this.narration = '';
+    this.creationDate = '';
+    this.lastEditDate = '';
+    this.user = new User();
+    this.items = [];
+    Object.assign(this, init);
+  }
+}