src/helpers/ethereum/getShop.js

import { web3js, getAddress, getDetherContract } from './utils';

// TODO: update validation, remove unused conditions
const validateShop = shop => {
  if (!shop || typeof shop !== 'object') {
    return { error: true, msg: 'Invalid args' };
  }
  // if (!shop.lat || Number.isNaN(shop.lat) || shop.lat > 90 || shop.lat < -90) {
  //   return { error: true, msg: 'Invalid latitude' };
  // }
  // if (!shop.lng || Number.isNaN(shop.lng) || shop.lng > 180 || shop.lng < -180) {
  //   return { error: true, msg: 'Invalid longitude' };
  // }
  // if (!shop.countryId || shop.countryId < 1 ||  shop.countryId > 4) {
  //   return { error: true, msg: 'Invalid zone' };
  // }
  // if (!shop.rates || shop.rates <= 0 || shop.rates > 100) {
  //   return { error: true, msg: 'Invalid rates' };
  // }
  // if (!shop.avatarId || !Number.isInteger(shop.avatarId) || shop.avatarId < 0) {
  //   return { error: true, msg: 'Invalid avatar' };
  // }
  // if (!shop.currencyId || !Number.isInteger(shop.currencyId) || shop.currencyId < 0) {
  //   return { error: true, msg: 'Invalid currency' };
  // }
  // if (!shop.messengerAddr || shop.messengerAddr.length < 2 || shop.messengerAddr.length > 30) {
  //   return { error: true, msg: 'Invalid telegram' };
  // }
  // if (!shop.amount || Number.isNaN(shop.amount) || shop.amount < 0.01) {
  //   return { error: true, msg: 'Invalid amount' };
  // }
  // if (!shop.postalCode) {
  //   return { error: true, msg: 'Invalid amount' };
  // }
  return {};
};

/**
 * [shopFromContract description]
 * @param  {[type]} rawShop [description]
 * @return {[type]}         [description]
 */
const shopFromContract = rawShop => {
  const validation = validateShop(rawShop);
  if (validation.error) throw new TypeError(validation.msg);
  try {
    return {
      lat: parseFloat(rawShop.lat) / 100000,
      lng: parseFloat(rawShop.lng) / 100000,
      countryId: web3js.utils.hexToUtf8(rawShop.countryId).replace(/\0/g, ''),
      postalCode: web3js.utils.hexToUtf8(rawShop.postalCode).replace(/\0/g, ''),
      cat: web3js.utils.hexToUtf8(rawShop.cat).replace(/\0/g, ''),
      name: web3js.utils.hexToUtf8(rawShop.name).replace(/\0/g, ''),
      description: web3js.utils
        .hexToUtf8(rawShop.description)
        .replace(/\0/g, ''),
      opening: web3js.utils.hexToUtf8(rawShop.opening).replace(/\0/g, ''),
    };
  } catch (e) {
    throw new TypeError(`Invalid shop profile: ${e.message}`);
  }
};

/**
 * return formatted shop
 *  @returns {Object}
 */
const getShop = () =>
  new Promise(async (res, rej) => {
    try {
      const [address, detherContract] = await Promise.all([
        getAddress(),
        getDetherContract(),
      ]);
      const rawShop = await detherContract.methods.getShop(address).call();
      let id = web3js.utils.hexToUtf8(rawShop[2]).replace(/\0/g, '');
      id = id.replace(/\0/g, '');
      if (!id) res(null);
      res(
        Object.assign({}, shopFromContract(rawShop), {
          ethAddress: address,
        }),
      );
    } catch (e) {
      rej(new TypeError(`Invalid shop profile: ${e.message}`));
    }
  });

export default getShop;