大海
57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
// Auto-generated OrderItem service
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import { queryAll, queryOne, execute } from "../db/client.js";
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import type { OrderItem, CreateOrderItemInput, UpdateOrderItemInput } from "../types/index.js";
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export class OrderItemService {
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/** List all order_items */
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list(): OrderItem[] {
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return queryAll<OrderItem>("SELECT * FROM order_items ORDER BY created_at DESC");
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}
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/** Get by ID */
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getById(id: string): OrderItem | undefined {
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return queryOne<OrderItem>("SELECT * FROM order_items WHERE id = ?", [id]);
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}
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/** Create */
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create(input: CreateOrderItemInput): OrderItem {
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const id = crypto.randomUUID();
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const now = new Date().toISOString();
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const hasCreatedAt = false;
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const hasUpdatedAt = false;
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const cols = ["id", "order_id", "product_id", "quantity", "unit_price"];
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const placeholders = cols.map(() => "?").join(", ");
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const values = [id, input.orderId ?? null, input.productId ?? null, input.quantity ?? null, input.unitPrice ?? null];
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execute(`INSERT INTO order_items (${cols.join(", ")}) VALUES (${placeholders})`, values);
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return this.getById(id)!;
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}
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/** Update */
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update(id: string, input: UpdateOrderItemInput): OrderItem | undefined {
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const existing = this.getById(id);
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if (!existing) return undefined;
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const sets: string[] = [];
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const values: unknown[] = [];
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if (input.orderId !== undefined) { sets.push("order_id = ?"); values.push(input.orderId); }
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if (input.productId !== undefined) { sets.push("product_id = ?"); values.push(input.productId); }
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if (input.quantity !== undefined) { sets.push("quantity = ?"); values.push(input.quantity); }
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if (input.unitPrice !== undefined) { sets.push("unit_price = ?"); values.push(input.unitPrice); }
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if (sets.length === 0) return existing;
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values.push(id);
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execute(`UPDATE order_items SET ${sets.join(", ")} WHERE id = ?`, values);
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return this.getById(id)!;
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}
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/** Delete */
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delete(id: string): boolean {
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const result = execute("DELETE FROM order_items WHERE id = ?", [id]);
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return result.changes > 0;
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}
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}
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