@twreporter/redux
Version:
redux actions and reducers for twreporter website
161 lines (156 loc) • 7.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = relatedPostsOf;
var _actionTypes = _interopRequireDefault(require("../constants/action-types"));
var _filter = _interopRequireDefault(require("lodash/filter"));
var _get = _interopRequireDefault(require("lodash/get"));
var _merge = _interopRequireDefault(require("lodash/merge"));
var _uniq = _interopRequireDefault(require("lodash/uniq"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } // lodash
var _ = {
filter: _filter["default"],
get: _get["default"],
merge: _merge["default"],
uniq: _uniq["default"]
};
var initialState = {
byId: {},
allIds: []
};
/**
* @param {import('../typedef').RelatedPostsOf} state
* @param {Object} [action = {}]
* @param {string} [action.type]
* @param {Object} [action.payload]
* @param {string} action.payload.targetEntityId
* @param {string[]} action.payload.targetRelatedPostsIds
* @param {Object} action.payload.error
*/
function relatedPostsOf() {
var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : initialState;
var action = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
switch (_.get(action, 'type', '')) {
case _actionTypes["default"].selectedTopic.read.success:
{
var topic = _.get(action, 'payload.topic', {});
var entityId = _.get(topic, 'id', '');
if (!entityId) {
return state;
}
var relateds = _.get(topic, 'relateds', []);
var more = [];
if (Array.isArray(relateds)) {
more = more.concat(relateds);
}
var allIds = _.get(state, 'allIds', []);
var ids = [];
if (allIds.indexOf(entityId) === -1) {
ids.push(entityId);
}
return Object.assign({}, state, {
byId: _objectSpread(_objectSpread({}, state.byId), {}, _defineProperty({}, entityId, {
isFetching: false,
error: null,
more: more,
items: []
})),
allIds: allIds.concat(ids)
});
}
case _actionTypes["default"].selectedPost.read.success:
{
var post = _.get(action, 'payload.post', {});
var _entityId = _.get(post, 'id', '');
if (!_entityId) {
return state;
}
var _relateds = _.get(post, 'relateds', []);
var topicRelateds = _.get(post, 'topic.relateds', []);
var _more = [];
if (Array.isArray(_relateds)) {
_more = _more.concat(_relateds);
}
if (Array.isArray(topicRelateds)) {
_more = _more.concat(topicRelateds);
}
// deduplicate related posts according to their ids
_more = _.uniq(_more).filter(function (relatedId) {
return relatedId !== _entityId;
});
var _allIds = _.get(state, 'allIds', []);
var _ids = [];
if (_allIds.indexOf(_entityId) === -1) {
_ids.push(_entityId);
}
return Object.assign({}, state, {
byId: _objectSpread(_objectSpread({}, state.byId), {}, _defineProperty({}, _entityId, {
isFetching: false,
error: null,
more: _more,
items: []
})),
allIds: _allIds.concat(_ids)
});
}
case _actionTypes["default"].relatedPosts.read.request:
{
var _entityId2 = _.get(action, 'payload.targetEntityId', '');
if (!_entityId2) {
return state;
}
return _.merge({}, state, {
byId: _defineProperty({}, _entityId2, {
isFetching: true
})
});
}
case _actionTypes["default"].relatedPosts.read.success:
{
var targetEntityId = _.get(action, 'payload.targetEntityId', '');
if (!targetEntityId) {
return state;
}
var targetRelatedPostsIds = _.get(action, 'payload.targetRelatedPostsIds', []);
/** @type {import('../typedef').RelatedPostsOfAnEntity} */
var relatedPostsOfAnEntity = _.get(state, ['byId', targetEntityId], {});
// filter out those posts fetched successfully
var _more2 = _.filter(_.get(relatedPostsOfAnEntity, 'more'), function (id) {
return targetRelatedPostsIds.indexOf(id) === -1;
});
var items = _.get(relatedPostsOfAnEntity, 'items', []);
var _allIds2 = _.get(state, 'allIds', []);
return Object.assign({}, state, {
byId: _objectSpread(_objectSpread({}, state.byId), {}, _defineProperty({}, targetEntityId, {
isFetching: false,
error: null,
more: _more2,
items: items.concat(targetRelatedPostsIds)
})),
allIds: _allIds2.indexOf(targetEntityId) === -1 ? _allIds2.concat(targetEntityId) : _allIds2
});
}
case _actionTypes["default"].relatedPosts.read.failure:
{
var _entityId3 = _.get(action, 'payload.targetEntityId', '');
if (!_entityId3) {
return state;
}
return _.merge({}, state, {
byId: _defineProperty({}, _entityId3, {
isFetching: false,
error: _.get(action, 'payload.error', null)
})
});
}
default:
return state;
}
}