chore: migrate api/availability/calendar to App Router

apps/web/app/api/availability/calendar/route.ts

@@ -0,0 +1,123 @@
+import { cookies, headers } from "next/headers";
+import type { NextRequest } from "next/server";
+import { NextResponse } from "next/server";
+import { z } from "zod";
+
+import { getCalendarCredentials, getConnectedCalendars } from "@calcom/core/CalendarManager";
+import { getServerSession } from "@calcom/features/auth/lib/getServerSession";
+import { CalendarCache } from "@calcom/features/calendar-cache/calendar-cache";
+import { HttpError } from "@calcom/lib/http-error";
+import notEmpty from "@calcom/lib/notEmpty";
+import { SelectedCalendarRepository } from "@calcom/lib/server/repository/selectedCalendar";
+import { UserRepository } from "@calcom/lib/server/repository/user";
+
+import { buildLegacyRequest } from "@lib/buildLegacyCtx";
+
+const selectedCalendarSelectSchema = z.object({
+  integration: z.string(),
+  externalId: z.string(),
+  credentialId: z.coerce.number(),
+  eventTypeId: z.coerce.number().nullish(),
+});
+
+async function authMiddleware() {
+  const session = await getServerSession({ req: buildLegacyRequest(headers(), cookies()) });
+
+  if (!session?.user?.id) {
+    throw new HttpError({ statusCode: 401, message: "Not authenticated" });
+  }
+
+  const userWithCredentials = await UserRepository.findUserWithCredentials({ id: session.user.id });
+
+  if (!userWithCredentials) {
+    throw new HttpError({ statusCode: 401, message: "Not authenticated" });
+  }
+
+  return userWithCredentials;
+}
+
+// TODO: It doesn't seem to be used from within the app. It is possible that someone outside Cal.com is using this GET endpoint
+export async function GET() {
+  try {
+    const user = await authMiddleware();
+
+    const selectedCalendarIds = await SelectedCalendarRepository.findMany({
+      where: { userId: user.id },
+      select: { externalId: true },
+    });
+    // get user's credentials + their connected integrations
+    const calendarCredentials = getCalendarCredentials(user.credentials);
+    // get all the connected integrations' calendars (from third party)
+    const { connectedCalendars } = await getConnectedCalendars(
+      calendarCredentials,
+      user.userLevelSelectedCalendars
+    );
+
+    const calendars = connectedCalendars.flatMap((c) => c.calendars).filter(notEmpty);
+    const selectableCalendars = calendars.map((cal) => {
+      return { selected: selectedCalendarIds.findIndex((s) => s.externalId === cal.externalId) > -1, ...cal };
+    });
+
+    return NextResponse.json(selectableCalendars);
+  } catch (error) {
+    if (error instanceof HttpError) {
+      throw error;
+    }
+    return NextResponse.json({ error: "Internal Server Error" }, { status: 500 });
+  }
+}
+
+export async function POST(req: NextRequest) {
+  try {
+    const user = await authMiddleware();
+    const body = await req.json();
+    const { integration, externalId, credentialId, eventTypeId } = selectedCalendarSelectSchema.parse(body);
+
+    await SelectedCalendarRepository.upsert({
+      userId: user.id,
+      integration,
+      externalId,
+      credentialId,
+      eventTypeId: eventTypeId ?? null,
+    });
+
+    return NextResponse.json({ message: "Calendar Selection Saved" });
+  } catch (error) {
+    if (error instanceof HttpError) {
+      throw error;
+    }
+    return NextResponse.json({ error: "Internal Server Error" }, { status: 500 });
+  }
+}
+
+export async function DELETE(req: NextRequest) {
+  try {
+    const user = await authMiddleware();
+    const searchParams = Object.fromEntries(req.nextUrl.searchParams.entries());
+
+    const { integration, externalId, credentialId, eventTypeId } =
+      selectedCalendarSelectSchema.parse(searchParams);
+
+    const calendarCacheRepository = await CalendarCache.initFromCredentialId(credentialId);
+    await calendarCacheRepository.unwatchCalendar({
+      calendarId: externalId,
+      eventTypeIds: [eventTypeId ?? null],
+    });
+
+    await SelectedCalendarRepository.delete({
+      where: {
+        userId: user.id,
+        externalId,
+        integration,
+        eventTypeId: eventTypeId ?? null,
+      },
+    });
+
+    return NextResponse.json({ message: "Calendar Selection Saved" });
+  } catch (error) {
+    if (error instanceof HttpError) {
+      throw error;
+    }
+    return NextResponse.json({ error: "Internal Server Error" }, { status: 500 });
+  }
+}