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export type eventObject = {
id: number,
title: string,
logo: string,
date_begin: string,
date_end: string,
description: string,
club: string,
category_id: number,
url: string,
};
export default class PlanningEventManager {
// Regex used to check date string validity
static dateRegExp = /^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$/;
/**
* Gets the current day string representation in the format
* YYYY-MM-DD
*
* @return {string} The string representation
*/
static getCurrentDateString(): string {
return PlanningEventManager.dateToString(new Date(Date.now()));
}
/**
* 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}
*/
static isEventBefore(event1Date: string, event2Date: string): boolean {
let date1 = PlanningEventManager.stringToDate(event1Date);
let date2 = PlanningEventManager.stringToDate(event2Date);
if (date1 !== null && date2 !== null)
return date1 < date2;
else
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
*/
static getDateOnlyString(dateString: string): string | null {
if (PlanningEventManager.isEventDateStringFormatValid(dateString))
return dateString.split(" ")[0];
else
return null;
}
/**
* Checks if the given date string is in the format
* YYYY-MM-DD HH:MM
*
* @param dateString The string to check
* @return {boolean}
*/
static isEventDateStringFormatValid(dateString: ?string): boolean {
return dateString !== undefined
&& dateString !== null
&& PlanningEventManager.dateRegExp.test(dateString);
}
/**
* Converts the given date string to a date object.<br>
* 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
*/
static stringToDate(dateString: string): Date | null {
let date = new Date();
if (PlanningEventManager.isEventDateStringFormatValid(dateString)) {
let stringArray = dateString.split(' ');
let dateArray = stringArray[0].split('-');
let timeArray = stringArray[1].split(':');
date.setFullYear(
parseInt(dateArray[0]),
parseInt(dateArray[1]) - 1, // Month range from 0 to 11
parseInt(dateArray[2])
);
date.setHours(
parseInt(timeArray[0]),
parseInt(timeArray[1]),
0,
0,
);
} else
date = null;
return date;
}
/**
* Converts a date object to a string in the format
* YYYY-MM-DD HH-MM-SS
*
* @param date The date object to convert
* @return {string} The converted string
*/
static dateToString(date: Date): 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 hours = String(date.getHours()).padStart(2, '0');
const minutes = String(date.getMinutes()).padStart(2, '0');
return year + '-' + month + '-' + day + ' ' + hours + ':' + minutes;
}
/**
* Returns a string corresponding to the event start and end times in the following format:
*
* HH:MM - HH:MM
*
* If the end date is not specified or is equal to start time, only start time will be shown.
*
* If the end date is not on the same day, 23:59 will be shown as end time
*
* @param start Start time in YYYY-MM-DD HH:MM:SS format
* @param end End time in YYYY-MM-DD HH:MM:SS format
* @return {string} Formatted string or "/ - /" on error
*/
static getFormattedEventTime(start: string, end: string): string {
let formattedStr = '/ - /';
let startDate = PlanningEventManager.stringToDate(start);
let endDate = PlanningEventManager.stringToDate(end);
if (startDate !== null && endDate !== null && startDate.getTime() !== endDate.getTime()) {
formattedStr = String(startDate.getHours()).padStart(2, '0') + ':'
+ String(startDate.getMinutes()).padStart(2, '0') + ' - ';
if (endDate.getFullYear() > startDate.getFullYear()
|| endDate.getMonth() > startDate.getMonth()
|| endDate.getDate() > startDate.getDate())
formattedStr += '23:59';
else
formattedStr += String(endDate.getHours()).padStart(2, '0') + ':'
+ String(endDate.getMinutes()).padStart(2, '0');
} else if (startDate !== null)
formattedStr =
String(startDate.getHours()).padStart(2, '0') + ':'
+ String(startDate.getMinutes()).padStart(2, '0');
return formattedStr
}
/**
* Checks if the given description can be considered empty.
* <br>
* An empty description is composed only of whitespace, <b>br</b> or <b>p</b> tags
*
*
* @param description The text to check
* @return {boolean}
*/
static isDescriptionEmpty(description: ?string): boolean {
if (description !== undefined && description !== null) {
return description
.split('<p>').join('') // Equivalent to a replace all
.split('</p>').join('')
.split('<br>').join('').trim() === '';
} else
return true;
}
/**
* Generates an object with an empty array for each key.
* Each key is a date string in the format
* YYYY-MM-DD
*
* @param numberOfMonths The number of months to create, starting from the current date
* @return {Object}
*/
static generateEmptyCalendar(numberOfMonths: number): Object {
let end = new Date(Date.now());
end.setMonth(end.getMonth() + numberOfMonths);
let daysOfYear = {};
for (let d = new Date(Date.now()); d <= end; d.setDate(d.getDate() + 1)) {
const dateString = PlanningEventManager.getDateOnlyString(
PlanningEventManager.dateToString(new Date(d)));
Eif (dateString !== null)
daysOfYear[dateString] = []
}
return daysOfYear;
}
/**
* Generates an object with an array of eventObject at each key.
* Each key is a date string in the format
* YYYY-MM-DD.
*
* If no event is available at the given key, the array will be empty
*
* @param eventList The list of events to map to the agenda
* @param numberOfMonths The number of months to create the agenda for
* @return {Object}
*/
static generateEventAgenda(eventList: Array<eventObject>, numberOfMonths: number): Object {
let agendaItems = PlanningEventManager.generateEmptyCalendar(numberOfMonths);
for (let i = 0; i < eventList.length; i++) {
const dateString = PlanningEventManager.getDateOnlyString(eventList[i].date_begin);
Eif (dateString !== null) {
const eventArray = agendaItems[dateString];
Eif (eventArray !== undefined)
this.pushEventInOrder(eventArray, eventList[i]);
}
}
return agendaItems;
}
/**
* Adds events to the given array depending on their starting date.
*
* Events starting before are added at the front.
*
* @param eventArray The array to hold sorted events
* @param event The event to add to the array
*/
static pushEventInOrder(eventArray: Array<eventObject>, event: eventObject): Object {
if (eventArray.length === 0)
eventArray.push(event);
else {
for (let i = 0; i < eventArray.length; i++) {
if (PlanningEventManager.isEventBefore(event.date_begin, eventArray[i].date_begin)) {
eventArray.splice(i, 0, event);
break;
} else if (i === eventArray.length - 1) {
eventArray.push(event);
break;
}
}
}
}
}
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