R524809
51 lines
1.8 KiB
TypeScript
51 lines
1.8 KiB
TypeScript
import type { DatabaseTransaction } from '@atlas/database';
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import { ApiError } from './api-error.js';
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/**
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* Shared optimistic-lock conflict response. Versioned writes still keep their
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* domain-specific SET clauses, but they must use a conditional `revision =
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* expected` update and this helper when no row was affected.
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*/
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const resources = {
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collection_item: {
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table: 'atlas.collection_items',
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label: '采集记录',
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active: ' AND deleted_at IS NULL',
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},
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product: { table: 'atlas.products', label: '商品', active: '' },
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product_platform_profile: {
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table: 'atlas.product_platform_profiles',
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label: '商品发布配置',
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active: '',
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},
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} as const;
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export async function throwRevisionConflict(
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transaction: DatabaseTransaction,
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resource: keyof typeof resources,
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id: string,
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expected: number,
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): Promise<never> {
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const target = resources[resource];
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const current = await transaction.query<{ revision: number }>(
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`SELECT revision FROM ${target.table} WHERE id = $1${target.active}`,
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[id],
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);
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if (!current.rows[0])
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throw new ApiError(404, 'RESOURCE_NOT_FOUND', `${target.label}不存在`);
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if (current.rows[0].revision !== expected) {
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throw new ApiError(409, 'VERSION_CONFLICT', `${target.label}已被更新`, [
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{
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field: 'If-Match',
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code: 'VERSION_CONFLICT',
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message: `当前版本为 ${current.rows[0].revision}`,
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current_revision: current.rows[0].revision,
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},
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]);
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}
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// A conditional write with a matching version affecting no rows is a
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// resource-state error (for example, a concurrent soft delete), not a
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// successful retry.
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throw new ApiError(409, 'VERSION_CONFLICT', `${target.label}状态已变化`);
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}
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