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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
const {
ENABLE_REQUEST_FILTER_TYPE_ONLY,
TOGGLE_REQUEST_FILTER_TYPE,
SET_REQUEST_FILTER_TEXT,
FILTER_TAGS,
function FilterTypes(overrideParams = {}) {
const allFilterTypes = ["all"].concat(FILTER_TAGS);
// filter only those keys which are valid filter tags
overrideParams = Object.keys(overrideParams)
.filter(key => allFilterTypes.includes(key))
.reduce((obj, key) => {
obj[key] = overrideParams[key];
return obj;
}, {});
const filterTypes = allFilterTypes.reduce(
(o, tag) => Object.assign(o, { [tag]: false }),
{}
);
return Object.assign({}, filterTypes, overrideParams);
}
function Filters(overrideParams = {}) {
return Object.assign(
{
requestFilterTypes: new FilterTypes({ all: true }),
requestFilterText: "",
},
overrideParams
);
}
function toggleRequestFilterType(state, action) {
const { filter } = action;
let newState;
// Ignore unknown filter type
if (!state.hasOwnProperty(filter)) {
return state;
}
if (filter === "all") {
return new FilterTypes({ all: true });
}
newState = { ...state };
newState.all = false;
newState[filter] = !state[filter];
if (!Object.values(newState).includes(true)) {
newState = new FilterTypes({ all: true });
}
return newState;
}
function enableRequestFilterTypeOnly(state, action) {
const { filter } = action;
// Ignore unknown filter type
if (!state.hasOwnProperty(filter)) {
return state;
}
return new FilterTypes({ [filter]: true });
}
function filters(state = new Filters(), action) {
state = { ...state };
switch (action.type) {
case ENABLE_REQUEST_FILTER_TYPE_ONLY:
state.requestFilterTypes = enableRequestFilterTypeOnly(
state.requestFilterTypes,
action
);
break;
case TOGGLE_REQUEST_FILTER_TYPE:
state.requestFilterTypes = toggleRequestFilterType(
state.requestFilterTypes,
action
);
break;
case SET_REQUEST_FILTER_TEXT:
state.requestFilterText = action.text;
break;
default:
break;
}
return state;
}
module.exports = {
FilterTypes,
Filters,
filters,
};