application-amicale/src/utils/Home.ts
2021-05-07 15:10:36 +02:00

106 lines
2.8 KiB
TypeScript

/*
* Copyright (c) 2019 - 2020 Arnaud Vergnet.
*
* This file is part of Campus INSAT.
*
* Campus INSAT is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Campus INSAT is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Campus INSAT. If not, see <https://www.gnu.org/licenses/>.
*/
import { stringToDate } from './Planning';
import type { PlanningEventType } from './Planning';
/**
* Gets the time limit depending on the current day:
* 17:30 for every day of the week except for thursday 11:30
* 00:00 on weekends
*/
export function getTodayEventTimeLimit(): Date {
const now = new Date();
if (now.getDay() === 4) {
// Thursday
now.setHours(11, 30, 0);
} else if (now.getDay() === 6 || now.getDay() === 0) {
// Weekend
now.setHours(0, 0, 0);
} else {
now.setHours(17, 30, 0);
}
return now;
}
/**
* Gets events starting after the limit
*
* @param events
* @param limit
* @return {Array<Object>}
*/
export function getEventsAfterLimit(
events: Array<PlanningEventType>,
limit: Date
): Array<PlanningEventType> {
const validEvents: Array<PlanningEventType> = [];
events.forEach((event: PlanningEventType) => {
const startDate = stringToDate(event.date_begin);
if (startDate != null && startDate >= limit) {
validEvents.push(event);
}
});
return validEvents;
}
/**
* Gets events that have not yet ended/started
*
* @param events
*/
export function getFutureEvents(
events: Array<PlanningEventType>
): Array<PlanningEventType> {
const validEvents: Array<PlanningEventType> = [];
const now = new Date();
events.forEach((event: PlanningEventType) => {
const startDate = stringToDate(event.date_begin);
if (startDate != null && startDate > now) {
validEvents.push(event);
}
});
return validEvents;
}
/**
* Gets the event to display in the preview
*
* @param events
* @return {PlanningEventType | null}
*/
export function getDisplayEvent(
events: Array<PlanningEventType>
): PlanningEventType | null {
let displayEvent = null;
if (events.length > 1) {
const eventsAfterLimit = getEventsAfterLimit(
events,
getTodayEventTimeLimit()
);
if (eventsAfterLimit.length > 0) {
[displayEvent] = eventsAfterLimit;
} else {
[displayEvent] = events;
}
} else if (events.length === 1) {
[displayEvent] = events;
}
return displayEvent;
}