/*
* 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
* Accepted format: YYYY-MM-DD HH:MM
*
* @param dateString The string to convert
* @return {Date|null} The date object or null if the given string is invalid
*/
export function stringToDate(dateString: string): Date | null {
let date: Date | null = new Date();
if (isEventDateStringFormatValid(dateString)) {
const stringArray = dateString.split(' ');
const dateArray = stringArray[0].split('-');
const timeArray = stringArray[1].split(':');
date.setFullYear(
parseInt(dateArray[0], 10),
parseInt(dateArray[1], 10) - 1, // Month range from 0 to 11
parseInt(dateArray[2], 10),
);
date.setHours(parseInt(timeArray[0], 10), parseInt(timeArray[1], 10), 0, 0);
} else {
date = null;
}
return date;
}
/**
* Converts a date object to a string in the format
* YYYY-MM-DD HH-MM
*
* @param date The date object to convert
* @param isUTC Whether to treat the date as UTC
* @return {string} The converted string
*/
export function dateToString(date: Date, isUTC: boolean): string {
const day = String(date.getDate()).padStart(2, '0');
const month = String(date.getMonth() + 1).padStart(2, '0'); // January is 0!
const year = date.getFullYear();
const h = isUTC ? date.getUTCHours() : date.getHours();
const hours = String(h).padStart(2, '0');
const minutes = String(date.getMinutes()).padStart(2, '0');
return `${year}-${month}-${day} ${hours}:${minutes}`;
}
/**
* Gets the current day string representation in the format
* YYYY-MM-DD
*
* @return {string} The string representation
*/
export function getCurrentDateString(): string {
return dateToString(new Date(Date.now()), false);
}
/**
* Checks if the given date is before the other.
*
* @param event1Date Event 1 date in format YYYY-MM-DD HH:MM
* @param event2Date Event 2 date in format YYYY-MM-DD HH:MM
* @return {boolean}
*/
export function isEventBefore(event1Date: string, event2Date: string): boolean {
const date1 = stringToDate(event1Date);
const date2 = stringToDate(event2Date);
if (date1 !== null && date2 !== null) {
return date1 < date2;
}
return false;
}
/**
* Gets only the date part of the given event date string in the format
* YYYY-MM-DD HH:MM
*
* @param dateString The string to get the date from
* @return {string|null} Date in format YYYY:MM:DD or null if given string is invalid
*/
export function getDateOnlyString(dateString: string): string | null {
if (isEventDateStringFormatValid(dateString)) {
return dateString.split(' ')[0];
}
return null;
}
/**
* Gets only the time part of the given event date string in the format
* YYYY-MM-DD HH:MM
*
* @param dateString The string to get the date from
* @return {string|null} Time in format HH:MM or null if given string is invalid
*/
export function getTimeOnlyString(dateString: string): string | null {
if (isEventDateStringFormatValid(dateString)) {
return dateString.split(' ')[1];
}
return null;
}
/**
* Checks if the given description can be considered empty.
*
* An empty description is composed only of whitespace, br or p tags
*
*
* @param description The text to check
* @return {boolean}
*/
export function isDescriptionEmpty(description?: string): boolean {
if (description !== undefined && description !== null) {
return (
description
.split('
') .join('') // Equivalent to a replace all .split('
') .join('') .split('