Create reusable currency selector component using mat-autocomplete (#2487)

* Create reusable currency selector component using mat-autocomplete

* Update changelog

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Changed the currency selector in the create or update account dialog to `@angular/material/autocomplete`
+
 ## 2.14.0 - 2023-10-21
 
 ### Added

apps/client/src/app/pages/accounts/create-or-update-account-dialog/create-or-update-account-dialog.component.ts

@@ -15,6 +15,7 @@ import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { CreateAccountDto } from '@ghostfolio/api/app/account/create-account.dto';
 import { UpdateAccountDto } from '@ghostfolio/api/app/account/update-account.dto';
 import { DataService } from '@ghostfolio/client/services/data.service';
+import { Currency } from '@ghostfolio/common/interfaces/currency.interface';
 import { Platform } from '@prisma/client';
 import { Observable, Subject } from 'rxjs';
 import { map, startWith } from 'rxjs/operators';
@@ -30,7 +31,7 @@ import { CreateOrUpdateAccountDialogParams } from './interfaces/interfaces';
 })
 export class CreateOrUpdateAccountDialog implements OnDestroy {
   public accountForm: FormGroup;
-  public currencies: string[] = [];
+  public currencies: Currency[] = [];
   public filteredPlatforms: Observable<Platform[]>;
   public platforms: Platform[];
 
@@ -46,7 +47,10 @@ export class CreateOrUpdateAccountDialog implements OnDestroy {
   public ngOnInit() {
     const { currencies, platforms } = this.dataService.fetchInfo();
 
-    this.currencies = currencies;
+    this.currencies = currencies.map((currency) => ({
+      label: currency,
+      value: currency
+    }));
     this.platforms = platforms;
 
     this.accountForm = this.formBuilder.group({
@@ -101,7 +105,7 @@ export class CreateOrUpdateAccountDialog implements OnDestroy {
     const account: CreateAccountDto | UpdateAccountDto = {
       balance: this.accountForm.controls['balance'].value,
       comment: this.accountForm.controls['comment'].value,
-      currency: this.accountForm.controls['currency'].value,
+      currency: this.accountForm.controls['currency'].value?.value,
       id: this.accountForm.controls['accountId'].value,
       isExcluded: this.accountForm.controls['isExcluded'].value,
       name: this.accountForm.controls['name'].value,

apps/client/src/app/pages/accounts/create-or-update-account-dialog/create-or-update-account-dialog.html

@@ -20,11 +20,10 @@
     <div>
       <mat-form-field appearance="outline" class="w-100">
         <mat-label i18n>Currency</mat-label>
-        <mat-select formControlName="currency">
-          <mat-option *ngFor="let currency of currencies" [value]="currency"
-            >{{ currency }}</mat-option
-          >
-        </mat-select>
+        <gf-currency-selector
+          formControlName="currency"
+          [currencies]="currencies"
+        />
       </mat-form-field>
     </div>
     <div>
@@ -37,7 +36,7 @@
           (keydown.enter)="$event.stopPropagation()"
         />
         <span class="ml-2" matTextSuffix
-          >{{ accountForm.controls['currency'].value }}</span
+          >{{ accountForm.controls['currency']?.value?.value }}</span
         >
       </mat-form-field>
     </div>

apps/client/src/app/pages/accounts/create-or-update-account-dialog/create-or-update-account-dialog.module.ts

@@ -7,8 +7,8 @@ import { MatCheckboxModule } from '@angular/material/checkbox';
 import { MatDialogModule } from '@angular/material/dialog';
 import { MatFormFieldModule } from '@angular/material/form-field';
 import { MatInputModule } from '@angular/material/input';
-import { MatSelectModule } from '@angular/material/select';
 import { GfSymbolIconModule } from '@ghostfolio/client/components/symbol-icon/symbol-icon.module';
+import { GfCurrencySelectorModule } from '@ghostfolio/ui/currency-selector/currency-selector.module';
 
 import { CreateOrUpdateAccountDialog } from './create-or-update-account-dialog.component';
 
@@ -17,6 +17,7 @@ import { CreateOrUpdateAccountDialog } from './create-or-update-account-dialog.c
   imports: [
     CommonModule,
     FormsModule,
+    GfCurrencySelectorModule,
     GfSymbolIconModule,
     MatAutocompleteModule,
     MatButtonModule,
@@ -24,7 +25,6 @@ import { CreateOrUpdateAccountDialog } from './create-or-update-account-dialog.c
     MatDialogModule,
     MatFormFieldModule,
     MatInputModule,
-    MatSelectModule,
     ReactiveFormsModule
   ]
 })

libs/common/src/lib/interfaces/currency.interface.ts

@@ -0,0 +1,4 @@
+export interface Currency {
+  label: string;
+  value: string;
+}

libs/ui/src/lib/currency-selector/currency-selector.component.html

@@ -0,0 +1,21 @@
+<input
+  autocapitalize="off"
+  autocomplete="off"
+  matInput
+  [formControl]="control"
+  [matAutocomplete]="currencyAutocomplete"
+/>
+
+<mat-autocomplete
+  #currencyAutocomplete="matAutocomplete"
+  [displayWith]="displayFn"
+  (optionSelected)="onUpdateCurrency($event)"
+>
+  <mat-option
+    *ngFor="let currencyItem of filteredCurrencies"
+    class="line-height-1"
+    [value]="currencyItem"
+  >
+    {{ currencyItem.label }}
+  </mat-option>
+</mat-autocomplete>

libs/ui/src/lib/currency-selector/currency-selector.component.scss

@@ -0,0 +1,3 @@
+:host {
+  display: block;
+}

libs/ui/src/lib/currency-selector/currency-selector.component.ts

@@ -0,0 +1,167 @@
+import { FocusMonitor } from '@angular/cdk/a11y';
+import {
+  ChangeDetectionStrategy,
+  ChangeDetectorRef,
+  Component,
+  ElementRef,
+  Input,
+  OnDestroy,
+  OnInit,
+  ViewChild
+} from '@angular/core';
+import { FormControl, FormGroupDirective, NgControl } from '@angular/forms';
+import {
+  MatAutocomplete,
+  MatAutocompleteSelectedEvent
+} from '@angular/material/autocomplete';
+import { MatFormFieldControl } from '@angular/material/form-field';
+import { MatInput } from '@angular/material/input';
+import { Currency } from '@ghostfolio/common/interfaces/currency.interface';
+import { AbstractMatFormField } from '@ghostfolio/ui/shared/abstract-mat-form-field';
+import { Subject } from 'rxjs';
+import { map, startWith, takeUntil } from 'rxjs/operators';
+@Component({
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  host: {
+    '[attr.aria-describedBy]': 'describedBy',
+    '[id]': 'id'
+  },
+  providers: [
+    {
+      provide: MatFormFieldControl,
+      useExisting: CurrencySelectorComponent
+    }
+  ],
+  selector: 'gf-currency-selector',
+  styleUrls: ['./currency-selector.component.scss'],
+  templateUrl: 'currency-selector.component.html'
+})
+export class CurrencySelectorComponent
+  extends AbstractMatFormField<Currency>
+  implements OnInit, OnDestroy
+{
+  @Input() private currencies: Currency[] = [];
+  @Input() private formControlName: string;
+
+  @ViewChild(MatInput) private input: MatInput;
+
+  @ViewChild('currencyAutocomplete')
+  public currencyAutocomplete: MatAutocomplete;
+
+  public control = new FormControl();
+  public filteredCurrencies: Currency[] = [];
+
+  private unsubscribeSubject = new Subject<void>();
+
+  public constructor(
+    public readonly _elementRef: ElementRef,
+    public readonly _focusMonitor: FocusMonitor,
+    public readonly changeDetectorRef: ChangeDetectorRef,
+    private readonly formGroupDirective: FormGroupDirective,
+    public readonly ngControl: NgControl
+  ) {
+    super(_elementRef, _focusMonitor, ngControl);
+
+    this.controlType = 'currency-selector';
+  }
+
+  public ngOnInit() {
+    if (this.disabled) {
+      this.control.disable();
+    }
+
+    const formGroup = this.formGroupDirective.form;
+
+    if (formGroup) {
+      const control = formGroup.get(this.formControlName);
+
+      if (control) {
+        this.value = this.currencies.find(({ value }) => {
+          return value === control.value;
+        });
+      }
+    }
+
+    this.control.valueChanges
+      .pipe(takeUntil(this.unsubscribeSubject))
+      .subscribe(() => {
+        if (super.value?.value) {
+          super.value.value = null;
+        }
+      });
+
+    this.control.valueChanges
+      .pipe(
+        takeUntil(this.unsubscribeSubject),
+        startWith(''),
+        map((value) => {
+          return value ? this.filter(value) : this.currencies.slice();
+        })
+      )
+      .subscribe((values) => {
+        this.filteredCurrencies = values;
+      });
+  }
+
+  public displayFn(currency: Currency) {
+    return currency?.label ?? '';
+  }
+
+  public get empty() {
+    return this.input?.empty;
+  }
+
+  public focus() {
+    this.input.focus();
+  }
+
+  public ngDoCheck() {
+    if (this.ngControl) {
+      this.validateRequired();
+      this.errorState = this.ngControl.invalid && this.ngControl.touched;
+      this.stateChanges.next();
+    }
+  }
+
+  public onUpdateCurrency(event: MatAutocompleteSelectedEvent) {
+    super.value = {
+      label: event.option.value.label,
+      value: event.option.value.value
+    } as Currency;
+  }
+
+  public set value(value: Currency) {
+    const newValue =
+      typeof value === 'object' && value !== null ? { ...value } : value;
+    this.control.setValue(newValue);
+    super.value = newValue;
+  }
+
+  public ngOnDestroy() {
+    super.ngOnDestroy();
+
+    this.unsubscribeSubject.next();
+    this.unsubscribeSubject.complete();
+  }
+
+  private filter(value: Currency | string) {
+    const filterValue =
+      typeof value === 'string'
+        ? value?.toLowerCase()
+        : value?.value.toLowerCase();
+
+    return this.currencies.filter((currency) => {
+      return currency.value.toLowerCase().startsWith(filterValue);
+    });
+  }
+
+  private validateRequired() {
+    const requiredCheck = super.required
+      ? !super.value.label || !super.value.value
+      : false;
+
+    if (requiredCheck) {
+      this.ngControl.control.setErrors({ invalidData: true });
+    }
+  }
+}

libs/ui/src/lib/currency-selector/currency-selector.module.ts

@@ -0,0 +1,23 @@
+import { CommonModule } from '@angular/common';
+import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from '@angular/core';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+import { MatAutocompleteModule } from '@angular/material/autocomplete';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatInputModule } from '@angular/material/input';
+
+import { CurrencySelectorComponent } from './currency-selector.component';
+
+@NgModule({
+  declarations: [CurrencySelectorComponent],
+  exports: [CurrencySelectorComponent],
+  imports: [
+    CommonModule,
+    FormsModule,
+    MatAutocompleteModule,
+    MatFormFieldModule,
+    MatInputModule,
+    ReactiveFormsModule
+  ],
+  schemas: [CUSTOM_ELEMENTS_SCHEMA]
+})
+export class GfCurrencySelectorModule {}

libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts

@@ -19,6 +19,7 @@ import { MatInput } from '@angular/material/input';
 import { LookupItem } from '@ghostfolio/api/app/symbol/interfaces/lookup-item.interface';
 import { DataService } from '@ghostfolio/client/services/data.service';
 import { translate } from '@ghostfolio/ui/i18n';
+import { AbstractMatFormField } from '@ghostfolio/ui/shared/abstract-mat-form-field';
 import { isString } from 'lodash';
 import { Subject, tap } from 'rxjs';
 import {
@@ -29,8 +30,6 @@ import {
   takeUntil
 } from 'rxjs/operators';
 
-import { AbstractMatFormField } from './abstract-mat-form-field';
-
 @Component({
   changeDetection: ChangeDetectionStrategy.OnPush,
   host: {
@@ -54,7 +53,7 @@ export class SymbolAutocompleteComponent
   @Input() private includeIndices = false;
   @Input() public isLoading = false;
 
-  @ViewChild(MatInput, { static: false }) private input: MatInput;
+  @ViewChild(MatInput) private input: MatInput;
 
   @ViewChild('symbolAutocomplete') public symbolAutocomplete: MatAutocomplete;