346 lines
11 KiB
TypeScript
346 lines
11 KiB
TypeScript
import { SchedulingType } from "@prisma/client";
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import { z } from "zod";
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import { getAggregateWorkingHours } from "@calcom/core/getAggregateWorkingHours";
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import type { CurrentSeats } from "@calcom/core/getUserAvailability";
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import { getUserAvailability } from "@calcom/core/getUserAvailability";
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import dayjs, { Dayjs } from "@calcom/dayjs";
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import { getDefaultEvent } from "@calcom/lib/defaultEvents";
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import isTimeOutOfBounds from "@calcom/lib/isOutOfBounds";
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import logger from "@calcom/lib/logger";
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import { performance } from "@calcom/lib/server/perfObserver";
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import getTimeSlots from "@calcom/lib/slots";
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import prisma, { availabilityUserSelect } from "@calcom/prisma";
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import { EventTypeMetaDataSchema } from "@calcom/prisma/zod-utils";
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import { EventBusyDate } from "@calcom/types/Calendar";
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import { TimeRange } from "@calcom/types/schedule";
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import { TRPCError } from "@trpc/server";
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import { router, publicProcedure } from "../../trpc";
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const getScheduleSchema = z
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.object({
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// startTime ISOString
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startTime: z.string(),
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// endTime ISOString
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endTime: z.string(),
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// Event type ID
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eventTypeId: z.number().int().optional(),
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// Event type slug
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eventTypeSlug: z.string(),
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// invitee timezone
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timeZone: z.string().optional(),
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// or list of users (for dynamic events)
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usernameList: z.array(z.string()).optional(),
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debug: z.boolean().optional(),
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// to handle event types with multiple duration options
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duration: z
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.string()
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.optional()
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.transform((val) => val && parseInt(val)),
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})
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.refine(
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(data) => !!data.eventTypeId || !!data.usernameList,
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"Either usernameList or eventTypeId should be filled in."
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);
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export type Slot = {
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time: string;
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attendees?: number;
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bookingUid?: string;
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users?: string[];
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};
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const checkIfIsAvailable = ({
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time,
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busy,
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eventLength,
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currentSeats,
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}: {
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time: Dayjs;
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busy: EventBusyDate[];
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eventLength: number;
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currentSeats?: CurrentSeats;
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}): boolean => {
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if (currentSeats?.some((booking) => booking.startTime.toISOString() === time.toISOString())) {
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return true;
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}
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const slotEndTime = time.add(eventLength, "minutes").utc();
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const slotStartTime = time.utc();
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return busy.every((busyTime) => {
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const startTime = dayjs.utc(busyTime.start).utc();
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const endTime = dayjs.utc(busyTime.end);
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if (endTime.isBefore(slotStartTime) || startTime.isAfter(slotEndTime)) {
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return true;
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}
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if (slotStartTime.isBetween(startTime, endTime, null, "[)")) {
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return false;
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} else if (slotEndTime.isBetween(startTime, endTime, null, "(]")) {
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return false;
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}
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// Check if start times are the same
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if (time.utc().isBetween(startTime, endTime, null, "[)")) {
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return false;
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}
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// Check if slot end time is between start and end time
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else if (slotEndTime.isBetween(startTime, endTime)) {
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return false;
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}
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// Check if startTime is between slot
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else if (startTime.isBetween(time, slotEndTime)) {
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return false;
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}
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return true;
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});
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};
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/** This should be called getAvailableSlots */
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export const slotsRouter = router({
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getSchedule: publicProcedure.input(getScheduleSchema).query(async ({ input, ctx }) => {
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return await getSchedule(input, ctx);
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}),
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});
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async function getEventType(ctx: { prisma: typeof prisma }, input: z.infer<typeof getScheduleSchema>) {
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const eventType = await ctx.prisma.eventType.findUnique({
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where: {
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id: input.eventTypeId,
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},
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select: {
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id: true,
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minimumBookingNotice: true,
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length: true,
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seatsPerTimeSlot: true,
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timeZone: true,
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slotInterval: true,
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beforeEventBuffer: true,
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afterEventBuffer: true,
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bookingLimits: true,
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schedulingType: true,
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periodType: true,
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periodStartDate: true,
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periodEndDate: true,
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periodCountCalendarDays: true,
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periodDays: true,
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metadata: true,
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schedule: {
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select: {
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availability: true,
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timeZone: true,
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},
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},
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availability: {
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select: {
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date: true,
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startTime: true,
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endTime: true,
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days: true,
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},
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},
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users: {
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select: {
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...availabilityUserSelect,
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},
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},
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},
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});
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if (!eventType) {
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return eventType;
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}
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return {
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...eventType,
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metadata: EventTypeMetaDataSchema.parse(eventType.metadata),
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};
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}
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async function getDynamicEventType(ctx: { prisma: typeof prisma }, input: z.infer<typeof getScheduleSchema>) {
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// For dynamic booking, we need to get and update user credentials, schedule and availability in the eventTypeObject as they're required in the new availability logic
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const dynamicEventType = getDefaultEvent(input.eventTypeSlug);
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const users = await ctx.prisma.user.findMany({
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where: {
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username: {
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in: input.usernameList,
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},
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},
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select: {
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allowDynamicBooking: true,
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...availabilityUserSelect,
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},
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});
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const isDynamicAllowed = !users.some((user) => !user.allowDynamicBooking);
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if (!isDynamicAllowed) {
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throw new TRPCError({
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message: "Some of the users in this group do not allow dynamic booking",
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code: "UNAUTHORIZED",
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});
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}
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return Object.assign({}, dynamicEventType, {
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users,
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});
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}
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function getRegularOrDynamicEventType(
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ctx: { prisma: typeof prisma },
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input: z.infer<typeof getScheduleSchema>
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) {
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const isDynamicBooking = !input.eventTypeId;
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return isDynamicBooking ? getDynamicEventType(ctx, input) : getEventType(ctx, input);
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}
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/** This should be called getAvailableSlots */
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export async function getSchedule(input: z.infer<typeof getScheduleSchema>, ctx: { prisma: typeof prisma }) {
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if (input.debug === true) {
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logger.setSettings({ minLevel: "debug" });
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}
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if (process.env.INTEGRATION_TEST_MODE === "true") {
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logger.setSettings({ minLevel: "silly" });
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}
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const startPrismaEventTypeGet = performance.now();
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const eventType = await getRegularOrDynamicEventType(ctx, input);
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const endPrismaEventTypeGet = performance.now();
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logger.debug(
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`Prisma eventType get took ${endPrismaEventTypeGet - startPrismaEventTypeGet}ms for event:${
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input.eventTypeId
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}`
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);
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if (!eventType) {
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throw new TRPCError({ code: "NOT_FOUND" });
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}
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const startTime =
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input.timeZone === "Etc/GMT"
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? dayjs.utc(input.startTime)
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: dayjs(input.startTime).utc().tz(input.timeZone);
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const endTime =
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input.timeZone === "Etc/GMT" ? dayjs.utc(input.endTime) : dayjs(input.endTime).utc().tz(input.timeZone);
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if (!startTime.isValid() || !endTime.isValid()) {
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throw new TRPCError({ message: "Invalid time range given.", code: "BAD_REQUEST" });
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}
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let currentSeats: CurrentSeats | undefined = undefined;
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/* We get all users working hours and busy slots */
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const userAvailability = await Promise.all(
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eventType.users.map(async (currentUser) => {
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const {
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busy,
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workingHours,
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dateOverrides,
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currentSeats: _currentSeats,
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timeZone,
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} = await getUserAvailability(
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{
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userId: currentUser.id,
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username: currentUser.username || "",
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dateFrom: startTime.format(),
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dateTo: endTime.format(),
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eventTypeId: input.eventTypeId,
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afterEventBuffer: eventType.afterEventBuffer,
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beforeEventBuffer: eventType.beforeEventBuffer,
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},
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{ user: currentUser, eventType, currentSeats }
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);
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if (!currentSeats && _currentSeats) currentSeats = _currentSeats;
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return {
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timeZone,
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workingHours,
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dateOverrides,
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busy,
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};
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})
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);
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// flattens availability of multiple users
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const dateOverrides = userAvailability.flatMap((availability) => availability.dateOverrides);
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const workingHours = getAggregateWorkingHours(userAvailability, eventType.schedulingType);
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const computedAvailableSlots: Record<string, Slot[]> = {};
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const availabilityCheckProps = {
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eventLength: eventType.length,
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currentSeats,
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};
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const isTimeWithinBounds = (_time: Parameters<typeof isTimeOutOfBounds>[0]) =>
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!isTimeOutOfBounds(_time, {
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periodType: eventType.periodType,
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periodStartDate: eventType.periodStartDate,
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periodEndDate: eventType.periodEndDate,
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periodCountCalendarDays: eventType.periodCountCalendarDays,
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periodDays: eventType.periodDays,
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});
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let currentCheckedTime = startTime;
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let getSlotsTime = 0;
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let checkForAvailabilityTime = 0;
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let getSlotsCount = 0;
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let checkForAvailabilityCount = 0;
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do {
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const startGetSlots = performance.now();
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// get slots retrieves the available times for a given day
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const timeSlots = getTimeSlots({
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inviteeDate: currentCheckedTime,
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eventLength: input.duration || eventType.length,
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workingHours,
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dateOverrides,
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minimumBookingNotice: eventType.minimumBookingNotice,
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frequency: eventType.slotInterval || input.duration || eventType.length,
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});
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const endGetSlots = performance.now();
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getSlotsTime += endGetSlots - startGetSlots;
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getSlotsCount++;
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// if ROUND_ROBIN - slots stay available on some() - if normal / COLLECTIVE - slots only stay available on every()
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const filterStrategy =
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!eventType.schedulingType || eventType.schedulingType === SchedulingType.COLLECTIVE
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? ("every" as const)
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: ("some" as const);
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const availableTimeSlots = timeSlots.filter(isTimeWithinBounds).filter((time) =>
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userAvailability[filterStrategy]((schedule) => {
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const startCheckForAvailability = performance.now();
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const isAvailable = checkIfIsAvailable({ time, ...schedule, ...availabilityCheckProps });
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const endCheckForAvailability = performance.now();
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checkForAvailabilityCount++;
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checkForAvailabilityTime += endCheckForAvailability - startCheckForAvailability;
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return isAvailable;
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})
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);
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computedAvailableSlots[currentCheckedTime.format("YYYY-MM-DD")] = availableTimeSlots.map((time) => ({
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time: time.toISOString(),
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users: eventType.users.map((user) => user.username || ""),
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// Conditionally add the attendees and booking id to slots object if there is already a booking during that time
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...(currentSeats?.some((booking) => booking.startTime.toISOString() === time.toISOString()) && {
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attendees:
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currentSeats[
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currentSeats.findIndex((booking) => booking.startTime.toISOString() === time.toISOString())
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]._count.attendees,
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bookingUid:
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currentSeats[
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currentSeats.findIndex((booking) => booking.startTime.toISOString() === time.toISOString())
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].uid,
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}),
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}));
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currentCheckedTime = currentCheckedTime.add(1, "day");
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} while (currentCheckedTime.isBefore(endTime));
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logger.debug(`getSlots took ${getSlotsTime}ms and executed ${getSlotsCount} times`);
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logger.debug(
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`checkForAvailability took ${checkForAvailabilityTime}ms and executed ${checkForAvailabilityCount} times`
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);
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logger.silly(`Available slots: ${JSON.stringify(computedAvailableSlots)}`);
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return {
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slots: computedAvailableSlots,
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};
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}
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