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import { push } from 'connected-react-router';
import queryString from 'query-string';
import users from '../users';
import { selectUser, selectWeek, selectCurrentWeek } from './selectors';
import purifyWeek from '../lib/purifyWeek';
import withinRange from '../lib/withinRange';
import extractSchedule from '../lib/extractSchedule';
function updatePathname(pathname = '') {
return (dispatch, getState) => {
const query = getState().router.location.search;
dispatch(push(`/${pathname}${query}`));
};
}
function updateQuery(newQuery) {
return (dispatch, getState) => {
const { location } = getState().router;
const query = queryString.stringify({
...queryString.parse(location.search),
...newQuery,
});
dispatch(push(`${location.pathname}?${query}`));
};
}
export function setUser(newUser) {
return (dispatch) => {
dispatch({ type: 'SEARCH/RESET' });
dispatch(updatePathname(newUser));
};
}
export function shiftRoom(shift) {
return (dispatch, getState) => {
const state = getState();
const user = selectUser(state);
const { allRoomIds } = users;
if (users.byId[user].type !== 'r') throw new Error('User must be a room');
const currentRoom = user;
const currentRoomIndex = allRoomIds.indexOf(currentRoom);
const nextRoomIndex = withinRange(
currentRoomIndex + shift,
allRoomIds.length - 1,
);
const nextRoom = allRoomIds[nextRoomIndex];
dispatch(setUser(nextRoom));
};
}
export function setWeek(newWeek) {
return (dispatch, getState) => {
const state = getState();
const isCurrentWeek = selectCurrentWeek(state) === newWeek;
dispatch(updateQuery({
week: isCurrentWeek ? undefined : newWeek,
}));
};
}
export function shiftWeek(shift) {
return (dispatch, getState) => {
const state = getState();
const week = selectWeek(state);
dispatch(setWeek(purifyWeek(week + shift)));
};
}
export function showRoomFinder() {
return (dispatch, getState) => {
const state = getState();
const user = selectUser(state);
if (user == null || users.byId[user].type !== 'r') {
// We are not currently viewing a room, correct the situation.
dispatch(setUser(users.allRoomIds[0]));
}
dispatch({ type: 'ROOM_FINDER/SHOW' });
};
}
const fetchScheduleStart = (user, week) => ({
type: 'VIEW/FETCH_SCHEDULE_START', user, week,
});
const fetchScheduleSuccess = (user, week, htmlStr) => ({
type: 'VIEW/FETCH_SCHEDULE_SUCCESS', user, week, htmlStr,
});
const fetchScheduleError = (user, week) => ({
type: 'VIEW/FETCH_SCHEDULE_ERROR', user, week,
});
export function fetchScheduleIfNeeded(user, week) {
return (dispatch, getState) => {
const { schedules } = getState();
const schedule = extractSchedule(schedules, user, week);
if (schedule.state !== 'NOT_REQUESTED') {
return;
}
dispatch(fetchScheduleStart(user, week));
fetch(`/get/${user}?week=${week}`)
.then(r => r.text())
.then(
// success
(htmlStr) => {
dispatch(fetchScheduleSuccess(user, week, htmlStr));
},
// error
() => {
// TODO: Handle error status
dispatch(fetchScheduleError(user, week));
},
);
};
}
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