feat(accounting): migrate opening balances (#277)

Add migrate opening balances component to set the opening balances for
GL Accounts for a branch or entire organisation.

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

@@ -35,6 +35,7 @@ import { ProvisioningEntriesComponent } from './provisioning-entries/provisionin
 import { CreateProvisioningEntryComponent } from './provisioning-entries/create-provisioning-entry/create-provisioning-entry.component';
 import { ViewProvisioningEntryComponent } from './provisioning-entries/view-provisioning-entry/view-provisioning-entry.component';
 import { ViewProvisioningJournalEntriesComponent } from './provisioning-entries/view-provisioning-journal-entries/view-provisioning-journal-entries.component';
+import { MigrateOpeningBalancesComponent } from './migrate-opening-balances/migrate-opening-balances.component';
 
 const routes: Routes = [
   Route.withShell([
@@ -241,6 +242,11 @@ const routes: Routes = [
               ]
             }
           ]
+        },
+        {
+          path: 'migrate-opening-balances',
+          component: MigrateOpeningBalancesComponent,
+          data: { title:  extract('Migrate Opening Balances'), breadcrumb: 'Migrate Opening Balances' }
         }
       ]
     }

src/app/accounting/accounting.component.html

@@ -30,11 +30,9 @@
           <p matLine>List of Financial Activities and GL Account Mappings</p>
         </mat-list-item>
 
-        <mat-list-item>
+        <mat-list-item [routerLink]="['/accounting/migrate-opening-balances']">
           <mat-icon matListIcon>monetization_on</mat-icon>
-          <a matLine href="https://www.google.com">
+          <h4 matLine>Migrate Opening Balances (Office-wise)</h4>
-            Migrate Opening Balances (Office-wise)
-          </a>
           <p matLine>Set or update office-level opening balances for GL accounts</p>
         </mat-list-item>
 

src/app/accounting/accounting.module.ts

@@ -33,6 +33,7 @@ import { ProvisioningEntriesComponent } from './provisioning-entries/provisionin
 import { CreateProvisioningEntryComponent } from './provisioning-entries/create-provisioning-entry/create-provisioning-entry.component';
 import { ViewProvisioningEntryComponent } from './provisioning-entries/view-provisioning-entry/view-provisioning-entry.component';
 import { ViewProvisioningJournalEntriesComponent } from './provisioning-entries/view-provisioning-journal-entries/view-provisioning-journal-entries.component';
+import { MigrateOpeningBalancesComponent } from './migrate-opening-balances/migrate-opening-balances.component';
 
 @NgModule({
   imports: [
@@ -70,7 +71,8 @@ import { ViewProvisioningJournalEntriesComponent } from './provisioning-entries/
     ProvisioningEntriesComponent,
     CreateProvisioningEntryComponent,
     ViewProvisioningEntryComponent,
-    ViewProvisioningJournalEntriesComponent
+    ViewProvisioningJournalEntriesComponent,
+    MigrateOpeningBalancesComponent
   ],
   entryComponents: [
     RevertTransactionComponent,

src/app/accounting/accounting.service.ts

@@ -209,4 +209,16 @@ export class AccountingService {
     return this.http.post(`/provisioningentries/${provisioningEntryId}`, {}, { params: httpParams });
   }
 
+  retrieveOpeningBalances(officeId: number) {
+    let httpParams = new HttpParams();
+    httpParams = httpParams.set('officeId', officeId.toString());
+    return this.http.get('/journalentries/openingbalance', { params: httpParams });
+  }
+
+  defineOpeningBalances(openingBalances: any) {
+    let httpParams = new HttpParams();
+    httpParams = httpParams.set('command', 'defineOpeningBalance');
+    return this.http.post(`/journalentries`, openingBalances, { params: httpParams });
+  }
+
 }

src/app/accounting/migrate-opening-balances/migrate-opening-balances.component.html

@@ -0,0 +1,111 @@
+<div class="container">
+
+  <mat-card>
+
+    <form [formGroup]="openingBalancesForm" (ngSubmit)="submit()">
+
+      <mat-card-content>
+
+        <div fxLayout="row wrap" fxLayoutGap="2%" fxLayout.lt-md="column">
+
+          <mat-form-field fxFlex="88%">
+            <mat-select placeholder="Office" required formControlName="officeId">
+              <mat-option *ngFor="let office of officeData" [value]="office.id">
+                {{ office.name }}
+              </mat-option>
+            </mat-select>
+          </mat-form-field>
+
+          <button mat-button type="button" color="primary" fxFlex="4%" (click)="retrieveOpeningBalances()">Retrieve</button>
+
+        </div>
+
+        <div fxLayout="row wrap" fxLayoutGap="2%" fxLayout.lt-md="column" *ngIf="openingBalancesData">
+
+          <label fxFlex="98%" class="content"><span class="header">Opening Balances Contra Account:</span>&nbsp;&nbsp;{{ openingBalancesData.contraAccount.name + ' (' + openingBalancesData.contraAccount.glCode + ')' }}</label>
+
+          <mat-form-field fxFlex="48%">
+            <mat-select placeholder="Currency" required formControlName="currencyCode">
+              <mat-option *ngFor="let currency of currencyData" [value]="currency.code">
+                {{ currency.displayLabel }}
+              </mat-option>
+            </mat-select>
+          </mat-form-field>
+
+          <mat-form-field fxFlex="48%">
+            <input matInput [min]="minDate" [max]="maxDate" [matDatepicker]="openingBalancesDatePicker" placeholder="Opening Balances Date" required formControlName="transactionDate">
+            <mat-datepicker-toggle matSuffix [for]="openingBalancesDatePicker"></mat-datepicker-toggle>
+            <mat-datepicker #openingBalancesDatePicker></mat-datepicker>
+          </mat-form-field>
+
+          <div fxLayout="row wrap" fxLayoutGap="2%" fxLayout.lt-md="column" class="content" fxFlex="100%">
+
+            <div class="header" fxFlex="8%">
+              Type
+            </div>
+
+            <div class="header" fxFlex="18%">
+              GL Code
+            </div>
+
+            <div class="header" fxFlex="18%">
+              Account
+            </div>
+
+            <div class="header" fxFlex="23%">
+              Total Debit: {{ debitsSum }}
+            </div>
+
+            <div class="header" fxFlex="23%">
+              Total Credit: {{ creditsSum }}
+            </div>
+
+          </div>
+
+          <div fxFlexFill fxLayout="row wrap" fxLayout.lt-md="column" class="content" formArrayName="glAccountEntries"
+            *ngFor="let credit of getFormArrayData('glAccountEntries').controls; let i = index;">
+
+            <div fxFlexFill fxLayout="row wrap" fxLayoutGap="2%" fxLayout.lt-md="column" [formGroupName]="i">
+
+              <div fxFlex="8%">
+                {{ (openingBalancesData.glAccounts[i].glAccountType.value !== openingBalancesData.glAccounts[i-1]?.glAccountType.value) ? openingBalancesData.glAccounts[i].glAccountType.value : '' }}
+              </div>
+
+              <div fxFlex="18%">
+                {{ openingBalancesData.glAccounts[i].glAccountCode }}
+              </div>
+
+              <div fxFlex="18%">
+                {{ openingBalancesData.glAccounts[i].glAccountName }}
+              </div>
+
+              <div fxFlex="23%">
+                <mat-form-field>
+                  <input matInput type="number" placeholder="Debit" formControlName="debit">
+                </mat-form-field>
+              </div>
+
+              <div fxFlex="23%">
+                <mat-form-field>
+                  <input matInput type="number" placeholder="Credit" formControlName="credit">
+                </mat-form-field>
+              </div>
+
+            </div>
+
+          </div>
+
+        </div>
+
+      </mat-card-content>
+
+      <mat-card-actions fxLayout="row" fxLayout.xs="column" fxLayoutAlign="center" fxLayoutGap="5px" *ngIf="openingBalancesData">
+        <button type="button" mat-raised-button [routerLink]="['/accounting']">Cancel</button>
+        <button mat-raised-button color="primary">Submit</button>
+      </mat-card-actions>
+
+    </form>
+
+  </mat-card>
+
+</div>

src/app/accounting/migrate-opening-balances/migrate-opening-balances.component.scss

@@ -0,0 +1,10 @@
+.content {
+  div {
+    margin: 1rem 0;
+    word-wrap: break-word;
+  }
+
+  .header {
+    font-weight: 500;
+  }
+}

src/app/accounting/migrate-opening-balances/migrate-opening-balances.component.spec.ts

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

src/app/accounting/migrate-opening-balances/migrate-opening-balances.component.ts

@@ -0,0 +1,121 @@
+import { Component, OnInit } from '@angular/core';
+import { FormGroup, FormBuilder, Validators, FormArray, ValidatorFn, ValidationErrors } from '@angular/forms';
+
+import { AccountingService } from '../accounting.service';
+
+const onlyOneOfTheFieldsIsRequiredValidator: ValidatorFn = (glAccountEntriesForm: FormGroup): ValidationErrors | null => {
+  const debit = glAccountEntriesForm.controls.debit.value;
+  const credit = glAccountEntriesForm.controls.credit.value;
+  return ((debit || credit) && !(debit && credit)) ? null : { 'error': true };
+};
+
+@Component({
+  selector: 'mifosx-migrate-opening-balances',
+  templateUrl: './migrate-opening-balances.component.html',
+  styleUrls: ['./migrate-opening-balances.component.scss']
+})
+export class MigrateOpeningBalancesComponent implements OnInit {
+
+  minDate = new Date(2000, 0, 1);
+  maxDate = new Date();
+  openingBalancesForm: FormGroup;
+  openingBalancesData: any;
+  officeData: any;
+  currencyData: any;
+
+  debitsSum = 0;
+  creditsSum = 0;
+
+  constructor(private accountingService: AccountingService,
+              private formBuilder: FormBuilder) { }
+
+  ngOnInit() {
+    this.createOpeningBalancesForm();
+    this.getOffices();
+    this.getCurrencies();
+  }
+
+  getOffices() {
+    this.accountingService.getOffices().subscribe(officeData => {
+      this.officeData = officeData;
+    });
+  }
+
+  getCurrencies() {
+    this.accountingService.getCurrencies().subscribe(currencyData => {
+      this.currencyData = currencyData.selectedCurrencyOptions;
+    });
+  }
+
+  createOpeningBalancesForm() {
+    this.openingBalancesForm = this.formBuilder.group({
+      'officeId': ['', Validators.required],
+      'currencyCode': ['', Validators.required],
+      'transactionDate': ['', Validators.required],
+      'glAccountEntries': this.formBuilder.array([])
+    });
+  }
+
+  createGLAccountEntryForm(glAccount: any): FormGroup {
+    return this.formBuilder.group({
+      'glAccountId': [glAccount.glAccountId],
+      'debit': [null],
+      'credit': [null]
+    }, { validator: onlyOneOfTheFieldsIsRequiredValidator });
+  }
+
+  getFormArrayData(type: string): FormArray {
+    return <FormArray>this.openingBalancesForm.get(type);
+  }
+
+  retrieveOpeningBalances() {
+    this.accountingService.retrieveOpeningBalances(this.openingBalancesForm.value.officeId)
+      .subscribe((openingBalancesData: any) => {
+        const entry = this.openingBalancesForm.get('glAccountEntries') as FormArray;
+        openingBalancesData.glAccounts = openingBalancesData.assetAccountOpeningBalances
+          .concat(openingBalancesData.liabityAccountOpeningBalances, openingBalancesData.equityAccountOpeningBalances, openingBalancesData.incomeAccountOpeningBalances, openingBalancesData.expenseAccountOpeningBalances);
+        openingBalancesData.glAccounts.forEach((glAccount: any) => {
+            entry.push(this.createGLAccountEntryForm(glAccount));
+          });
+        this.openingBalancesData = openingBalancesData;
+
+        entry.valueChanges.subscribe(() => {
+          this.debitsSum = 0;
+          this.creditsSum = 0;
+          entry.controls.forEach(value => {
+            this.debitsSum += value.value.debit;
+            this.creditsSum += value.value.credit;
+          });
+        });
+      });
+  }
+
+  submit() {
+    // TODO: Validate
+    if (this.openingBalancesForm.status !== 'INVALID') {
+      const openingBalances = this.openingBalancesForm.value;
+      // TODO: Update once language and date settings are setup
+      openingBalances.locale = 'en';
+      openingBalances.dateFormat = 'dd MMMM yyyy';
+      openingBalances.transactionDate = '07 August 2018';
+      openingBalances.debits = [];
+      openingBalances.credits = [];
+      this.openingBalancesForm.value.glAccountEntries.forEach((entry: any) => {
+        if (entry.debit) {
+          openingBalances.debits.push({ glAccountId: entry.glAccountId, amount: entry.debit });
+        }
+        if (entry.credit) {
+          openingBalances.credits.push({ glAccountId: entry.glAccountId, amount: entry.credit });
+        }
+      });
+      delete openingBalances.glAccountEntries;
+      this.accountingService.defineOpeningBalances(openingBalances)
+        .subscribe((response: any) => {
+          console.log(response);
+        });
+    } else {
+      console.log('Errors exist in form!');
+    }
+  }
+
+}