first commit

calcom/packages/app-store/sendgrid/api/_getAdd.ts

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+import type { NextApiRequest } from "next";
+
+import { defaultResponder } from "@calcom/lib/server";
+
+import checkSession from "../../_utils/auth";
+import { checkInstalled } from "../../_utils/installation";
+
+export async function getHandler(req: NextApiRequest) {
+  const session = checkSession(req);
+  await checkInstalled("sendgrid", session.user?.id);
+  return { url: "/apps/sendgrid/setup" };
+}
+
+export default defaultResponder(getHandler);

calcom/packages/app-store/sendgrid/api/_postAdd.ts

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+import type { NextApiRequest } from "next";
+
+import { symmetricEncrypt } from "@calcom/lib/crypto";
+import { HttpError } from "@calcom/lib/http-error";
+import logger from "@calcom/lib/logger";
+import { defaultResponder } from "@calcom/lib/server";
+import prisma from "@calcom/prisma";
+
+import checkSession from "../../_utils/auth";
+import getInstalledAppPath from "../../_utils/getInstalledAppPath";
+
+export async function getHandler(req: NextApiRequest) {
+  const session = checkSession(req);
+
+  const { api_key } = req.body;
+  if (!api_key) throw new HttpError({ statusCode: 400, message: "No Api Key provided to check" });
+
+  let encrypted;
+  try {
+    encrypted = symmetricEncrypt(JSON.stringify({ api_key }), process.env.CALENDSO_ENCRYPTION_KEY || "");
+  } catch (reason) {
+    logger.error("Could not add Sendgrid app", reason);
+    throw new HttpError({ statusCode: 500, message: "Invalid length - CALENDSO_ENCRYPTION_KEY" });
+  }
+
+  const data = {
+    type: "sendgrid_other_calendar",
+    key: { encrypted },
+    userId: session.user?.id,
+    appId: "sendgrid",
+  };
+
+  try {
+    await prisma.credential.create({
+      data,
+    });
+  } catch (reason) {
+    logger.error("Could not add Sendgrid app", reason);
+    throw new HttpError({ statusCode: 500, message: "Could not add Sendgrid app" });
+  }
+
+  return { url: getInstalledAppPath({ variant: "other", slug: "sendgrid" }) };
+}
+
+export default defaultResponder(getHandler);

calcom/packages/app-store/sendgrid/api/add.ts

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+import { defaultHandler } from "@calcom/lib/server";
+
+export default defaultHandler({
+  GET: import("./_getAdd"),
+  POST: import("./_postAdd"),
+});

calcom/packages/app-store/sendgrid/api/check.ts

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+import type { NextApiRequest } from "next";
+
+import Sendgrid from "@calcom/lib/Sendgrid";
+import { HttpError } from "@calcom/lib/http-error";
+import { defaultHandler, defaultResponder } from "@calcom/lib/server";
+
+import checkSession from "../../_utils/auth";
+
+export async function getHandler(req: NextApiRequest) {
+  const { api_key } = req.body;
+  if (!api_key) throw new HttpError({ statusCode: 400, message: "No Api Key provoided to check" });
+
+  checkSession(req);
+
+  const sendgrid: Sendgrid = new Sendgrid(api_key);
+
+  try {
+    const usernameInfo = await sendgrid.username();
+    if (usernameInfo.username) {
+      return {};
+    } else {
+      throw new HttpError({ statusCode: 404 });
+    }
+  } catch (e) {
+    throw new HttpError({ statusCode: 500, message: e as string });
+  }
+}
+
+export default defaultHandler({
+  POST: Promise.resolve({ default: defaultResponder(getHandler) }),
+});

calcom/packages/app-store/sendgrid/api/index.ts

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+export { default as add } from "./add";
+export { default as check } from "./check";