feat: add loan action button (write_off) (#866)

Fixes: #847

src/app/loans/common-resolvers/loan-action-button.resolver.ts

@@ -32,6 +32,8 @@ export class LoanActionButtonResolver implements Resolve<Object> {
         //     return this.loansService.getLoanActionTemplate(loanId, 'repayment');
         } else if (loanActionButton === 'waive-interest') {
             return this.loansService.getLoanActionTemplate(loanId, 'waiveinterest');
+        } else if (loanActionButton === 'write-off') {
+            return this.loansService.getLoanActionTemplate(loanId, 'writeoff');
         } else {
             return this.loansService.getLoanActionTemplate(loanId, 'prepayLoan');
         }

src/app/loans/loans-view/loan-account-actions/loan-account-actions.component.html

@@ -7,5 +7,6 @@
     <mifosx-prepay-loan [dataObject]="actionButtonData" *ngIf="actions.prepay_loan"></mifosx-prepay-loan>
     <mifosx-make-repayment [dataObject]="actionButtonData" *ngIf="actions.make_repayment"></mifosx-make-repayment>
     <mifosx-waive-interest [dataObject]="actionButtonData" *ngIf="actions.waive_interest"></mifosx-waive-interest>
+    <mifosx-write-off-page [dataObject]="actionButtonData" *ngIf="actions.write_off"></mifosx-write-off-page>
   </mat-card>
 </div>

src/app/loans/loans-view/loan-account-actions/loan-account-actions.component.ts

@@ -15,6 +15,7 @@ export class LoanAccountActionsComponent {
   /** flag object to store possible actions and render appropriate UI to the user */
   actions: { close: boolean,
             undo_approval: boolean,
+            write_off: boolean,
             assign_loan_officer: boolean,
             foreclosure: boolean,
             prepay_loan: boolean,
@@ -22,6 +23,7 @@ export class LoanAccountActionsComponent {
             waive_interest: boolean } = {
               close: false,
               undo_approval: false,
+              write_off: false,
               assign_loan_officer: false,
               foreclosure: false,
               prepay_loan: false,

src/app/loans/loans-view/loan-account-actions/write-off-page/write-off-page.component.html

@@ -0,0 +1,40 @@
+<div class="container">
+
+  <mat-card-content>
+
+    <form [formGroup]="writeOffForm" (ngSubmit)="submit()">
+
+      <div fxLayout="column">
+
+        <mat-form-field>
+          <mat-label>Write off on</mat-label>
+          <input matInput [min]="minDate" [max]="maxDate" [matDatepicker]="writeOffDatePicker" required formControlName="transactionDate">
+          <mat-datepicker-toggle matSuffix [for]="writeOffDatePicker"></mat-datepicker-toggle>
+          <mat-datepicker #writeOffDatePicker></mat-datepicker>
+          <mat-error *ngIf="writeOffForm.controls.transactionDate.hasError('required')">
+            Write Off Date <strong>is required</strong>
+          </mat-error>
+        </mat-form-field>
+  
+        <mat-form-field>
+          <mat-label>Amount</mat-label>
+          <input matInput formControlName="amount">
+        </mat-form-field>
+  
+        <mat-form-field>
+          <mat-label>Note</mat-label>
+          <textarea matInput formControlName="note"></textarea>
+        </mat-form-field>
+        
+      </div>
+
+    </form>
+
+    <mat-card-actions fxLayout="row" fxLayout.xs="column" fxLayoutAlign="center" fxLayoutGap="5px">
+      <button type="button" mat-raised-button [routerLink]="['../']">Cancel</button>
+      <button mat-raised-button color="primary" (click)="submit()" *mifosxHasPermission="'WRITEOFF_LOAN'">Submit</button>
+    </mat-card-actions>
+
+  </mat-card-content>
+
+</div>

src/app/loans/loans-view/loan-account-actions/write-off-page/write-off-page.component.spec.ts

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

src/app/loans/loans-view/loan-account-actions/write-off-page/write-off-page.component.ts

@@ -0,0 +1,72 @@
+/** Angular Imports. */
+import { Component, OnInit, Input } from '@angular/core';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { ActivatedRoute, Router } from '@angular/router';
+import { DatePipe } from '@angular/common';
+
+/** Custom Services. */
+import { LoansService } from 'app/loans/loans.service';
+/**
+ * Write Off component.
+ */
+@Component({
+  selector: 'mifosx-write-off-page',
+  templateUrl: './write-off-page.component.html',
+  styleUrls: ['./write-off-page.component.scss']
+})
+export class WriteOffPageComponent implements OnInit {
+
+  @Input() dataObject: any;
+
+  /** Write Off form. */
+  writeOffForm: FormGroup;
+
+  /**
+   * Get data from `Resolver`.
+   * @param {FormBuilder} formBuilder Form Builder.
+   * @param {ActivatedRoute} route Activated Route.
+   * @param {LoansService} loanService Loan Service.
+   * @param {DatePipe} datePipe Date Pipe.
+   * @param {Router} router Router.
+   */
+  constructor(private formBuilder: FormBuilder,
+              private route: ActivatedRoute,
+              private loanService: LoansService,
+              private datePipe: DatePipe,
+              private router: Router) { }
+
+  ngOnInit() {
+    this.setWriteOffForm();
+  }
+
+  /**
+   * Set Write Off form.
+   */
+  setWriteOffForm() {
+    this.writeOffForm = this.formBuilder.group({
+      'transactionDate': [this.dataObject.date && new Date(this.dataObject.date), Validators.required],
+      'amount': [{value: this.dataObject.amount, disabled: true}],
+      'note': ['']
+    });
+  }
+
+  /**
+   * Submits write off form.
+   */
+  submit() {
+    const transactionDate = this.writeOffForm.value.transactionDate;
+    const dateFormat = 'dd MMMM yyyy';
+    this.writeOffForm.patchValue({
+      transactionDate: this.datePipe.transform(transactionDate, dateFormat)
+    });
+    const loanId = this.route.parent.snapshot.params['loanId'];
+    const writeOffForm = this.writeOffForm.value;
+    delete writeOffForm.amount;
+    writeOffForm.locale = 'en';
+    writeOffForm.dateFormat = dateFormat;
+    this.loanService.submitLoanActionButton(loanId, writeOffForm, 'writeoff').subscribe((response: any) => {
+      this.router.navigate(['../general'], {relativeTo: this.route});
+    });
+  }
+
+}

src/app/loans/loans.module.ts

@@ -31,6 +31,7 @@ import { PrepayLoanComponent } from './loans-view/loan-account-actions/prepay-lo
 import { MakeRepaymentComponent } from './loans-view/loan-account-actions/make-repayment/make-repayment.component';
 import { WaiveInterestComponent } from './loans-view/loan-account-actions/waive-interest/waive-interest.component';
 import { FloatingInterestRatesComponent } from './loans-view/floating-interest-rates/floating-interest-rates.component';
+import { WriteOffPageComponent } from './loans-view/loan-account-actions/write-off-page/write-off-page.component';
 
 /**
  * Loans Module
@@ -62,6 +63,7 @@ import { FloatingInterestRatesComponent } from './loans-view/floating-interest-r
     MakeRepaymentComponent,
     WaiveInterestComponent,
     FloatingInterestRatesComponent,
+    WriteOffPageComponent,
   ],
   providers: [DatePipe],
 })