node-event-bot/server/handler/repeatingEvents/helper.ts
2022-04-24 15:51:07 +02:00

127 lines
4.6 KiB
TypeScript

import { format } from "date-fns"
import add from "date-fns/add"
import { DateResolvable, Guild, GuildScheduledEvent, GuildScheduledEventCreateOptions } from "discord.js"
import { client } from "../../.."
import { CustomError, errorCodes, Maybe } from "../../interfaces"
import { RepetitonInfo, Schedule, supportedSchedule } from "../../types/scheduledEventTypes"
export const repetitionMarkerIsFound = (desc: string): boolean => desc.includes('$rep')
export function createEventInGuild(guild: Guild, eventInfo: GuildScheduledEventCreateOptions): Promise<any> {
return guild.scheduledEvents.create(eventInfo)
}
export function getRepetitonInfo(description: string): RepetitonInfo {
const lines = description.split(`\n`)
const repetitionString = lines.find(x => x.startsWith('$rep:'))
if (!repetitionString)
throw new CustomError('Cant find repetition string', errorCodes.no_string_present)
const scheduleString = determineScheduleString(repetitionString)
const schedule: Schedule = new Schedule(scheduleString)
const { totalAmount, alreadyOccured } = determineRepetitionCount(repetitionString)
const endDate = determineEndDate(repetitionString)
return {
totalAmount,
alreadyOccured,
schedule,
endDate
}
}
export function determineScheduleString(repetitionLine: string): supportedSchedule {
const segments = repetitionLine.split(':')
const scheduleSegment = segments[1]
if (scheduleSegment)
return scheduleSegment
else
throw new CustomError('No schedule segment found', errorCodes.no_schedule)
}
export function determineRepetitionCount(description: string): { totalAmount: number; alreadyOccured: number } {
const segments = description.split(':')
const amountSegment = segments[2]
if (amountSegment) {
const amounts = amountSegment.split('/')
return { totalAmount: Number(amounts[1]) ?? 0, alreadyOccured: Number(amounts[0]) ?? 0 }
} else {
throw new CustomError('No amount was defined', errorCodes.no_repetition_amount)
}
}
export function buildNewRepetitionString(repetitionInfo: RepetitonInfo) {
if (repetitionInfo.endDate)
return `$rep:${repetitionInfo.schedule}:${format(repetitionInfo.endDate, 'yyyy-MM-dd')}`
return `$rep:${repetitionInfo.schedule}:${repetitionInfo.alreadyOccured + 1}/${repetitionInfo.totalAmount}`
}
export function addRepetitonStringToEventDescription(oldguildScheduledEvent: string, newRepetitonString: string): string | undefined {
const lines = oldguildScheduledEvent.split(`\n`)
const repLineIndex = lines.findIndex(x => x.startsWith('$rep:'))
const newLines = lines.filter((_, index) => repLineIndex !== index)
newLines.push(newRepetitonString)
return newLines.join('\n')
}
function determineEndDate(description: string): Maybe<Date> {
const segments = description.split(':')
if (segments.length === 3) {
// rep:sched:countOrDate
const segmentValue = segments[2]
if (segmentValue.includes('/')) {
if (segmentValue.match(/\//g) || [].length !== 2) {
return
}
}
const dateValue = new Date(segmentValue)
return dateValue
}
else if (segments.length === 4) {
// rep:sched:count:date
const segmentValue = segments[3]
const dateValue = new Date(segmentValue)
return dateValue
}
return
}
export function checkIfRepetitionStringIsValid(description: string): string {
if (!description) return 'not_present'
if (repetitionMarkerIsFound(description)) {
let repetitionInfo
try {
repetitionInfo = getRepetitonInfo(description)
if (!repetitionInfo.schedule) return 'no_schedule'
if (!repetitionInfo.totalAmount && !repetitionInfo.alreadyOccured && !repetitionInfo.endDate) {
if (!repetitionInfo.totalAmount || !repetitionInfo.alreadyOccured) return 'no_amount'
if (!repetitionInfo.endDate) return 'no_end'
}
return 'valid'
} catch (error) {
if (error instanceof CustomError) {
return error.getCode()
}
return 'invalid'
}
} return 'not_present'
}
export async function validateRepetitionStringAndSendMessageOnFail(event: GuildScheduledEvent): Promise<void> {
const validResponses = [
'valid',
'not_present'
]
const resultstring: string = checkIfRepetitionStringIsValid(event.description ?? "")
if (validResponses.includes(resultstring)) {
// do success things?
} else {
const creatorMessage = `The repetition string in your event could not be parsed. Reason: ${resultstring}`
console.log(creatorMessage)
if (!event.creatorId) throw new CustomError('No creator ID present', errorCodes.no_creator_id)
const creator = await client.users.fetch(event.creatorId)
console.log(`Creator ${JSON.stringify(creator)}`)
if (creator)
if (!creator.dmChannel)
await creator.createDM()
await creator.dmChannel?.send(creatorMessage)
}
}