mtsd/sqxp-wx/utils/supplierInquiryTempPrice.js

/**
 * 供应商询价页「暂存价格」：按 userId 分桶，避免多账号同机串数据。
 * 结构：{ [userId]: { [inquiryId]: { [productId]: number } } }
 */
export const SUPPLIER_INQUIRY_TEMP_PRICES_KEY = 'supplier_inquiry_temp_prices';

/**
 * @param {string | undefined | null} userId
 * @param {string} inquiryKey
 * @returns {Record<string, number> | null}
 */
export function readInquiryTempMapForUser(userId, inquiryKey) {
  const key = (inquiryKey && String(inquiryKey).trim()) || '_default';
  const uid = userId == null || String(userId).trim() === '' ? '' : String(userId).trim();
  if (!uid) return null;
  const root = uni.getStorageSync(SUPPLIER_INQUIRY_TEMP_PRICES_KEY) || {};
  if (!root || typeof root !== 'object') return null;
  const byUser = root[uid];
  if (!byUser || typeof byUser !== 'object') return null;
  const m = byUser[key];
  if (!m || typeof m !== 'object') return null;
  return m;
}

/**
 * @param {string | undefined | null} userId
 * @param {string} inquiryKey
 * @param {string} productId
 * @param {string|number|undefined|null} rawPrice 空或无效则删除该条暂存
 */
export function writeOneTempPriceForUser(userId, inquiryKey, productId, rawPrice) {
  const key = (inquiryKey && String(inquiryKey).trim()) || '_default';
  const uid = userId == null || String(userId).trim() === '' ? '' : String(userId).trim();
  if (!uid || !productId) return;
  const root = { ...(uni.getStorageSync(SUPPLIER_INQUIRY_TEMP_PRICES_KEY) || {}) };
  if (!root[uid] || typeof root[uid] !== 'object') {
    root[uid] = {};
  }
  else {
    root[uid] = { ...root[uid] };
  }
  const byUser = root[uid];
  const block = (byUser[key] && typeof byUser[key] === 'object') ? { ...byUser[key] } : {};
  if (rawPrice === '' || rawPrice == null) {
    if (Object.prototype.hasOwnProperty.call(block, productId)) {
      delete block[productId];
    }
  }
  else {
    const num = Number(rawPrice);
    if (Number.isNaN(num) || num < 0) return;
    block[productId] = Number(num.toFixed(2));
  }
  if (Object.keys(block).length === 0) {
    delete byUser[key];
  }
  else {
    byUser[key] = block;
  }
  if (Object.keys(byUser).length === 0) {
    delete root[uid];
  }
  uni.setStorageSync(SUPPLIER_INQUIRY_TEMP_PRICES_KEY, root);
}

/**
 * 与「暂存价格」按钮写一整块 map 的语义（商品详情页）
 * @param {string | undefined | null} userId
 * @param {string} inquiryKey
 * @param {string} productId
 * @param {number} price
 */
export function mergeTempProductPriceForUser(userId, inquiryKey, productId, price) {
  const key = (inquiryKey && String(inquiryKey).trim()) || '_default';
  const uid = userId == null || String(userId).trim() === '' ? '' : String(userId).trim();
  if (!uid || !productId) return;
  const root = { ...(uni.getStorageSync(SUPPLIER_INQUIRY_TEMP_PRICES_KEY) || {}) };
  if (!root[uid] || typeof root[uid] !== 'object') {
    root[uid] = {};
  }
  else {
    root[uid] = { ...root[uid] };
  }
  const byUser = root[uid];
  byUser[key] = {
    ...(byUser[key] && typeof byUser[key] === 'object' ? byUser[key] : {}),
    [productId]: price
  };
  uni.setStorageSync(SUPPLIER_INQUIRY_TEMP_PRICES_KEY, root);
}