feat: add manage currencies page (#887)

Fixes: #152

src/app/organization/currencies/manage-currencies/manage-currencies.component.ts

@@ -0,0 +1,101 @@
+/** Angular Imports */
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { MatDialog } from '@angular/material';
+import { FormBuilder, Validators } from '@angular/forms';
+
+/** Custom Dialogs */
+import { DeleteDialogComponent } from '../../../shared/delete-dialog/delete-dialog.component';
+
+/** Custom Services */
+import { OrganizationService } from '../../organization.service';
+
+/**
+ * Manage Currencies component.
+ */
+@Component({
+  selector: 'mifosx-manage-currencies',
+  templateUrl: './manage-currencies.component.html',
+  styleUrls: ['./manage-currencies.component.scss']
+})
+export class ManageCurrenciesComponent implements OnInit {
+
+  /** Selected Currencies data. */
+  selectedCurrencies: any[];
+  /** Currency options data */
+  currencyData: any;
+  /** Currency form */
+  currencyForm: any;
+
+  /** Currency form reference */
+  @ViewChild('formRef') formRef: any;
+
+  /**
+   * Retrieves the currency data from `resolve`.
+   * @param {ActivatedRoute} route Activated Route
+   * @param {FormBuilder} formBuilder Form Builder
+   * @param {OrganizationService} organizationservice Organization Service
+   * @param {MatDialog} dialog Mat Dialog
+   */
+  constructor(private route: ActivatedRoute,
+              private formBuilder: FormBuilder,
+              private organizationservice: OrganizationService,
+              public dialog: MatDialog) {
+    this.route.parent.data.subscribe(( data: { currencies: any }) => {
+      this.selectedCurrencies = data.currencies.selectedCurrencyOptions;
+      this.currencyData = data.currencies.currencyOptions;
+    });
+  }
+
+  ngOnInit() {
+    this.createCurrencyForm();
+  }
+
+  /**
+   * Creates the currency form.
+   */
+  createCurrencyForm() {
+    this.currencyForm = this.formBuilder.group({
+      'currency': ['', Validators.required]
+    });
+  }
+
+  /**
+   * Adds a new currency to the list.
+   */
+  addCurrency() {
+    const newCurrency = this.currencyForm.value.currency;
+    const selectedCurrencyCodes: any[] = this.selectedCurrencies.map(currency => currency.code);
+    if (!selectedCurrencyCodes.includes(newCurrency.code)) {
+      selectedCurrencyCodes.push(newCurrency.code);
+      this.organizationservice.updateCurrencies(selectedCurrencyCodes)
+        .subscribe((response: any) => {
+          this.selectedCurrencies.push(newCurrency);
+          this.formRef.resetForm();
+        });
+    }
+  }
+
+  /**
+   * Deletes Currency
+   * @param {string} currencyCode Currency Code
+   * @param {number} index Index
+   */
+  deleteCurrency(currencyCode: string, index: number) {
+    const selectedCurrencyCodes: any[] = this.selectedCurrencies.map(currency => currency.code);
+    selectedCurrencyCodes.splice(index, 1);
+    const deleteCurrencyDialogRef = this.dialog.open(DeleteDialogComponent, {
+      data: { deleteContext: `currency: ${currencyCode}` }
+    });
+    deleteCurrencyDialogRef.afterClosed().subscribe((response: any) => {
+      if (response.delete) {
+        this.organizationservice.updateCurrencies(selectedCurrencyCodes)
+          .subscribe(() => {
+            this.selectedCurrencies.splice(index, 1);
+            this.formRef.resetForm();
+          });
+      }
+    });
+  }
+
+}