canner/lib/hocs/request.js

Build CMS in few lines of code for different data sources

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = withRequest;
exports.createAction = createAction;
exports.findSchemaByRefId = findSchemaByRefId;
exports.loop = loop;

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread"));

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf3 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var React = _interopRequireWildcard(require("react"));

var _action = require("../action");

var _cannerHelpers = require("canner-helpers");

var _cannerRefId = _interopRequireDefault(require("canner-ref-id"));

var _lodash = require("lodash");

function withRequest(Com) {
  // this hoc will update data;
  return (
    /*#__PURE__*/
    function (_React$Component) {
      (0, _inherits2.default)(ComponentWithRequest, _React$Component);

      function ComponentWithRequest() {
        var _getPrototypeOf2;

        var _this;

        (0, _classCallCheck2.default)(this, ComponentWithRequest);

        for (var _len = arguments.length, _args = new Array(_len), _key = 0; _key < _len; _key++) {
          _args[_key] = arguments[_key];
        }

        _this = (0, _possibleConstructorReturn2.default)(this, (_getPrototypeOf2 = (0, _getPrototypeOf3.default)(ComponentWithRequest)).call.apply(_getPrototypeOf2, [this].concat(_args)));
        (0, _defineProperty2.default)((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)), "onChange", function (refId, type, delta, config, transformGqlPayload) {
          var id;

          if ((0, _lodash.isArray)(refId)) {
            // changeQueue
            var _changeQueue = refId; // $FlowFixMe

            return Promise.all(_changeQueue.map(function (args) {
              var refId = args.refId,
                  type = args.type,
                  value = args.value,
                  config = args.config,
                  transformGqlPayload = args.transformGqlPayload;
              return _this.onChange(refId, type, value, config, transformGqlPayload);
            }));
          } else if (refId instanceof _cannerRefId.default) {
            id = refId.toString();
          } else {
            id = {
              // $FlowFixMe: refId should be object here
              firstId: refId.firstRefId.toString(),
              // $FlowFixMe: refId should be object here
              secondId: refId.secondRefId.toString()
            };
          }

          var _this$props = _this.props,
              schema = _this$props.schema,
              rootValue = _this$props.rootValue,
              request = _this$props.request;
          var itemSchema = findSchemaByRefId(schema, refId);
          var relation = itemSchema.relation,
              items = itemSchema.items,
              pattern = itemSchema.pattern;
          var action = createAction({
            relation: relation,
            id: id,
            type: type,
            value: delta,
            config: config,
            rootValue: (0, _objectSpread2.default)({}, rootValue),
            items: items,
            pattern: pattern,
            transformGqlPayload: transformGqlPayload
          });

          if (!action) {
            throw new Error('invalid change');
          }

          if (action.type === 'NOOP') {
            return Promise.resolve();
          } // $FlowFixMe


          return request(action);
        });
        return _this;
      }

      (0, _createClass2.default)(ComponentWithRequest, [{
        key: "render",
        value: function render() {
          return React.createElement(Com, (0, _extends2.default)({}, this.props, {
            onChange: this.onChange
          }));
        }
      }]);
      return ComponentWithRequest;
    }(React.Component)
  );
}

function createAction(_ref) {
  var relation = _ref.relation,
      id = _ref.id,
      type = _ref.type,
      value = _ref.value,
      config = _ref.config,
      rootValue = _ref.rootValue,
      items = _ref.items,
      transformGqlPayload = _ref.transformGqlPayload;

  if (type === 'create') {
    if (!config) {
      var emptyData = (0, _cannerHelpers.createEmptyData)(items);

      if ((0, _lodash.isPlainObject)(emptyData)) {
        value = (0, _lodash.merge)(emptyData, value);
      } else {
        value = emptyData;
      }
    }

    if (typeof id === 'string' && id.split('/').length === 1) {
      (0, _lodash.update)(value, 'id', function (id) {
        return id || randomId();
      });
    }
  }

  return (0, _action.generateAction)({
    id: id,
    updateType: type,
    value: value,
    rootValue: rootValue,
    relation: relation,
    transformGqlPayload: transformGqlPayload
  });
}

function randomId() {
  return Math.random().toString(36).substr(2, 12);
}

function findSchemaByRefId(schema, refId) {
  var paths = [];

  if ((0, _lodash.isPlainObject)(refId)) {
    paths = refId.firstRefId.getPathArr();
  } else {
    paths = refId.getPathArr();
  }

  var pattern = '';
  return loop(schema, paths, pattern);
}

function loop(schema, paths, pattern) {
  if (paths.length === 0) {
    return (0, _objectSpread2.default)({}, schema, {
      pattern: removeFirstSlash(pattern)
    });
  }

  if (!schema.type) {
    // in items of object
    return loop(schema[paths[0]], paths.slice(1), "".concat(pattern, "/").concat(schema[paths[0]].type));
  }

  if (schema.type === 'json') {
    return {};
  }

  if (schema.type === 'array') {
    if (paths.length === 1) {
      // paths = [index], so just return
      return loop(schema, [], pattern);
    } else if (schema.items.type === 'object') {
      // path[0] is index, so we take the paths[1]
      return loop(schema.items.items[paths[1]], paths.slice(2), "".concat(pattern, "/").concat(schema.items.items[paths[1]].type));
    }
  }

  return loop(schema.items[paths[0]], paths.slice(1), "".concat(pattern, "/").concat(schema.items[paths[0]].type));
}

function removeFirstSlash(pattern) {
  return pattern.split('/').slice(1).join('/');
}