@events/server/build/commit.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.commit = undefined;

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _microBoom = require('micro-boom');

var _micro = require('micro');

var _redis = require('redis');

var _redis2 = _interopRequireDefault(_redis);

var _redisClient = require('./redis-client');

var _runLua = require('./runLua');

var _runLua2 = _interopRequireDefault(_runLua);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

var commit = exports.commit = function () {
  var _ref = _asyncToGenerator(function* (redisClient, event, namespc) {
    var lua = '\n    local event = ARGV[1];\n    local counter = redis.call(\'INCR\', KEYS[1]);\n\n    redis.call(\'HSET\', KEYS[2], counter, event);\n    redis.call(\'PUBLISH\', ARGV[2]..\'::events\', counter .. \':\' .. event);\n    return counter;\n  ';

    return (0, _runLua2.default)(redisClient, lua, {
      keys: [namespc + '::id', namespc + '::events'],
      argv: [JSON.stringify(event), namespc]
    });
  });

  return function commit(_x, _x2, _x3) {
    return _ref.apply(this, arguments);
  };
}();

exports.default = function (_ref2) {
  var redis = _ref2.redis,
      namespc = _ref2.namespc;

  var client = (0, _redisClient.createClient)(redis);

  return function () {
    var _ref3 = _asyncToGenerator(function* (req) {
      var event = yield (0, _micro.json)(req);

      if (typeof event.type !== 'string') {
        throw (0, _microBoom.createError)(422, 'Missing type');
      }

      var id = yield commit(client, event, namespc);

      return _extends({}, event, { id: id });
    });

    return function (_x4) {
      return _ref3.apply(this, arguments);
    };
  }();
};