76 lines
2.3 KiB
JavaScript
76 lines
2.3 KiB
JavaScript
import { bindPromoter } from '../services/promoter/fetchPromoter';
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// 待绑定的推广人ID（登录前进入时先缓存，登录/绑定成功后清除）
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const PENDING_KEY = 'pendingPromoterId';
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// 分享链接参数：/pages/xxx?promoter_id=1，同时作为登录/绑定接口的参数名
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export const QUERY_KEY = 'promoter_id';
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// 小程序码 scene 参数：scene=pid%3D1，与后端 PromotionService::QRCODE_SCENE_KEY 一致
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const SCENE_KEY = 'pid';
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/** 当前登录用户ID */
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export function getCurrentUserId() {
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return Number((wx.getStorageSync('userInfo') || {}).id) || 0;
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}
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/** 从页面启动参数中解析推广人ID */
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export function parsePromoterId(query = {}) {
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if (query[QUERY_KEY]) {
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return Number(query[QUERY_KEY]) || 0;
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}
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if (query.scene) {
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const pair = decodeURIComponent(query.scene)
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.split('&')
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.map((item) => item.split('='))
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.find(([key]) => key === SCENE_KEY);
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return pair ? Number(pair[1]) || 0 : 0;
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}
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return 0;
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}
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/** 启动参数中带推广人时缓存，等待登录后绑定 */
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export function savePendingPromoter(query) {
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const promoterId = parsePromoterId(query || {});
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if (promoterId && promoterId !== getCurrentUserId()) {
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wx.setStorageSync(PENDING_KEY, promoterId);
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}
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}
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export function getPendingPromoter() {
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return Number(wx.getStorageSync(PENDING_KEY)) || 0;
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}
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export function clearPendingPromoter() {
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wx.removeStorageSync(PENDING_KEY);
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}
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/** 已登录状态下绑定缓存的推广人（热启动从分享进入时使用） */
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export async function bindPendingPromoter() {
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const promoterId = getPendingPromoter();
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if (!promoterId || !wx.getStorageSync('token')) {
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return;
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}
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try {
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const res = await bindPromoter({ [QUERY_KEY]: promoterId });
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if (res.code === 1) {
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clearPendingPromoter();
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}
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} catch (err) {
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console.error('bindPromoter failed:', err);
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}
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}
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/** 分享参数：promoter_id=当前用户ID，未登录时为空 */
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export function promoterQuery() {
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const userId = getCurrentUserId();
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return userId ? `${QUERY_KEY}=${userId}` : '';
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}
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/** 给分享路径追加推广人参数 */
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export function withPromoter(path) {
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const query = promoterQuery();
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if (!query) {
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return path;
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}
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return `${path}${path.indexOf('?') > -1 ? '&' : '?'}${query}`;
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}
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