54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
import { apiBase } from './api';
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export const PROMO_STORAGE_KEY = 'dukang_promo_code';
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function readPromoFromSearch(search: string): string | null {
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const params = new URLSearchParams(search.startsWith('?') ? search.slice(1) : search);
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const code = params.get('promo')?.trim();
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return code ? code.toUpperCase() : null;
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}
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/** 解析 URL 中的 ?promo= 并写入 sessionStorage */
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export function capturePromoFromUrl(): string | null {
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if (typeof window === 'undefined') return null;
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let code = readPromoFromSearch(window.location.search);
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if (!code && window.location.hash.includes('?')) {
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const hashQuery = window.location.hash.slice(window.location.hash.indexOf('?'));
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code = readPromoFromSearch(hashQuery);
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}
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if (code) {
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sessionStorage.setItem(PROMO_STORAGE_KEY, code);
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}
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return code ?? sessionStorage.getItem(PROMO_STORAGE_KEY);
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}
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export function getStoredPromoCode(): string | null {
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if (typeof window === 'undefined') return null;
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return sessionStorage.getItem(PROMO_STORAGE_KEY);
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}
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/** 调用 /promo/touch 完成扫码归因（OptionalJwt：未登录也累加 scan_count） */
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export async function touchPromoIfNeeded(): Promise<void> {
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const promoCode = getStoredPromoCode();
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if (!promoCode) return;
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const headers: Record<string, string> = {
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'Content-Type': 'application/json',
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'X-Client-App': 'USER_H5',
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};
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const token = localStorage.getItem('accessToken');
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if (token) headers.Authorization = `Bearer ${token}`;
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try {
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const res = await fetch(`${apiBase}/promo/touch`, {
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method: 'POST',
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headers,
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body: JSON.stringify({ promoCode }),
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});
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const json = await res.json();
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if (json.code !== 0) return;
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} catch {
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/* 静默失败，不阻断用户流程 */
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}
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}
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