feat: add loan action button (waive-interest) (#861)

Fixes: #846

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

@@ -30,6 +30,8 @@ export class LoanActionButtonResolver implements Resolve<Object> {
             return this.loansService.getLoanTemplate(loanId);
         // } else if (loanActionButton === 'make-repayment') {
         //     return this.loansService.getLoanActionTemplate(loanId, 'repayment');
+        } else if (loanActionButton === 'waive-interest') {
+            return this.loansService.getLoanActionTemplate(loanId, 'waiveinterest');
         } else {
             return this.loansService.getLoanActionTemplate(loanId, 'prepayLoan');
         }

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

@@ -6,5 +6,6 @@
     <mifosx-foreclosure *ngIf="actions.foreclosure"></mifosx-foreclosure>
     <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>
   </mat-card>
 </div>

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

@@ -18,13 +18,15 @@ export class LoanAccountActionsComponent {
             assign_loan_officer: boolean,
             foreclosure: boolean,
             prepay_loan: boolean,
-            make_repayment: boolean } = {
+            make_repayment: boolean,
+            waive_interest: boolean } = {
               close: false,
               undo_approval: false,
               assign_loan_officer: false,
               foreclosure: false,
               prepay_loan: false,
-              make_repayment: false };
+              make_repayment: false,
+              waive_interest: false };
   actionButtonData: any;
   actionName: any;
 

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

@@ -0,0 +1,43 @@
+<div class="container">
+
+  <form [formGroup]="loanInterestForm" (ngSubmit)="submit()">
+
+    <mat-card-content>
+
+      <div fxLayout="column">
+
+        <mat-form-field>
+          <mat-label>Interest waived on</mat-label>
+          <input matInput [min]="minDate" [max]="maxDate" [matDatepicker]="interestDatePicker" required formControlName="transactionDate">
+          <mat-datepicker-toggle matSuffix [for]="interestDatePicker"></mat-datepicker-toggle>
+          <mat-datepicker #interestDatePicker></mat-datepicker>
+          <mat-error *ngIf="loanInterestForm.controls.transactionDate.hasError('required')">
+            Interest Date is <strong>required</strong>
+          </mat-error>
+        </mat-form-field>
+    
+        <mat-form-field>
+          <mat-label>Transaction amount</mat-label>
+          <input matInput required formControlName="transactionAmount">
+          <mat-error *ngIf="loanInterestForm.controls.transactionAmount.hasError('required')">
+            Transaction Amount is <strong>required</strong>
+          </mat-error>
+        </mat-form-field>
+    
+        <mat-form-field>
+          <mat-label>Note</mat-label>
+          <textarea matInput formControlName="note"></textarea>
+        </mat-form-field>
+
+      </div>
+
+      <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" [disabled]="!loanInterestForm.valid" *mifosxHasPermission="'WAIVEINTERESTPORTION_LOAN'">Submit</button>
+      </mat-card-actions>
+
+    </mat-card-content>
+
+  </form>
+
+</div>

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

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

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

@@ -0,0 +1,78 @@
+/** Angular Imports. */
+import { Component, OnInit, Input } from '@angular/core';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { Router, ActivatedRoute } from '@angular/router';
+import { DatePipe } from '@angular/common';
+
+/** Custom Services. */
+import { LoansService } from 'app/loans/loans.service';
+
+/**
+ * Waive Interest component.
+ */
+@Component({
+  selector: 'mifosx-waive-interest',
+  templateUrl: './waive-interest.component.html',
+  styleUrls: ['./waive-interest.component.scss']
+})
+export class WaiveInterestComponent implements OnInit {
+
+  @Input() dataObject: any;
+
+  /** Loan Interest form. */
+  loanInterestForm: FormGroup;
+  /** Minimum Date allowed. */
+  minDate = new Date(2000, 0, 1);
+  /** Maximum Date allowed. */
+  maxDate = new Date();
+
+  /**
+   * Get data from `Resolver`.
+   * @param {FormBuilder} formBuilder Form Builder.
+   * @param {Router} router Router.
+   * @param {DatePipe} datePipe DatePipe.
+   * @param {LoansService} loanService Loan Service.
+   * @param {ActivatedRoute} route Activated Route.
+   */
+  constructor(private formBuilder: FormBuilder,
+              private router: Router,
+              private datePipe: DatePipe,
+              private loanService: LoansService,
+              private route: ActivatedRoute) { }
+
+  ngOnInit() {
+    this.setLoanInterestForm();
+  }
+
+  /**
+   * Set Loan Interest form.
+   */
+  setLoanInterestForm() {
+    this.loanInterestForm = this.formBuilder.group({
+      'transactionAmount': [this.dataObject.amount, Validators.required],
+      'transactionDate': [this.dataObject.date && new Date(this.dataObject.date), Validators.required],
+      'note': ['']
+    });
+  }
+
+  /**
+   * Submits loan interest form.
+   */
+  submit() {
+    const transactionDate = this.loanInterestForm.value.transactionDate;
+    const transactionAmount = this.loanInterestForm.value.transactionAmount;
+    const dateFormat = 'dd MMMM yyyy';
+    this.loanInterestForm.patchValue({
+      transactionDate: this.datePipe.transform(transactionDate, dateFormat),
+      transactionAmount: parseInt(transactionAmount, 10)
+    });
+    const loanId = this.route.parent.snapshot.params['loanId'];
+    const loanInterestForm = this.loanInterestForm.value;
+    loanInterestForm.locale = 'en';
+    loanInterestForm.dateFormat = dateFormat;
+    this.loanService.submitLoanActionButton(loanId, loanInterestForm, 'waiveinterest').subscribe((response: any) => {
+      this.router.navigate(['../general'], {relativeTo: this.route});
+    });
+  }
+
+}

src/app/loans/loans.module.ts

@@ -29,6 +29,7 @@ import { AssignLoanOfficerComponent } from './loans-view/loan-account-actions/as
 import { ForeclosureComponent } from './loans-view/loan-account-actions/foreclosure/foreclosure.component';
 import { PrepayLoanComponent } from './loans-view/loan-account-actions/prepay-loan/prepay-loan.component';
 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';
 
 /**
  * Loans Module
@@ -58,6 +59,7 @@ import { MakeRepaymentComponent } from './loans-view/loan-account-actions/make-r
     ForeclosureComponent,
     PrepayLoanComponent,
     MakeRepaymentComponent,
+    WaiveInterestComponent,
   ],
   providers: [DatePipe],
 })