delivery

src/app/components/delivery-selector/delivery-selector.component.ts

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+import { ChangeDetectionStrategy, Component, EventEmitter, Input, Output } from '@angular/core';
+import { DecimalPipe } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { CartItem, DeliveryOption } from '../../models';
+import { TranslatePipe } from '../../i18n/translate.pipe';
+
+let nextDeliverySelectorId = 0;
+
+@Component({
+  selector: 'app-delivery-selector',
+  standalone: true,
+  imports: [FormsModule, DecimalPipe, TranslatePipe],
+  templateUrl: './delivery-selector.component.html',
+  styleUrls: ['./delivery-selector.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class DeliverySelectorComponent {
+  @Input({ required: true }) item: CartItem | null = null;
+
+  @Output() selectedDeliveryChange = new EventEmitter<DeliveryOption | null>();
+
+  readonly selectId = `delivery-select-${nextDeliverySelectorId++}`;
+
+  get options(): DeliveryOption[] {
+    return this.item?.deliveryOptions ?? [];
+  }
+
+  get selectedDelivery(): DeliveryOption | null {
+    return this.item?.selectedDelivery ?? null;
+  }
+
+  get currency(): string {
+    return this.item?.currency || 'RUB';
+  }
+
+  get required(): boolean {
+    return this.item?.deliveryMode !== 'digital'
+      && this.options.length > 0
+      && this.item?.deliverySelectionRequired !== false;
+  }
+
+  get isDigital(): boolean {
+    return this.item?.deliveryMode === 'digital';
+  }
+
+  get selectedKey(): string {
+    return this.selectedDelivery ? this.optionKey(this.selectedDelivery) : '';
+  }
+
+  get selectedDeliveryTotal(): number {
+    return (this.selectedDelivery?.deliveryPrice ?? 0) * (this.item?.quantity ?? 1);
+  }
+
+  optionKey(option: DeliveryOption): string {
+    return `${option.deliveryPlace}__${option.deliveryTime}__${option.deliveryPrice}`;
+  }
+
+  optionLabel(option: DeliveryOption): string {
+    const details = [option.deliveryPlace, option.deliveryTime].filter(Boolean);
+    details.push(`${option.deliveryPrice.toFixed(2)} ${this.currency}`);
+    return details.join(' • ');
+  }
+
+  trackByOption(index: number, option: DeliveryOption): string {
+    return `${index}-${this.optionKey(option)}`;
+  }
+
+  onSelectionChange(nextKey: string): void {
+    if (!nextKey) {
+      this.selectedDeliveryChange.emit(null);
+      return;
+    }
+
+    this.selectedDeliveryChange.emit(
+      this.options.find(option => this.optionKey(option) === nextKey) ?? null
+    );
+  }
+}