use default installation handler to install app

packages/app-store/make/api/add.ts

@@ -1,39 +1,16 @@
-import type { NextApiRequest, NextApiResponse } from "next";
+import { createDefaultInstallation } from "@calcom/app-store/_utils/installation";
+import type { AppDeclarativeHandler } from "@calcom/types/AppHandler";
 
-import prisma from "@calcom/prisma";
+import appConfig from "../config.json";
 
-export default async function handler(req: NextApiRequest, res: NextApiResponse) {
-  if (!req.session?.user?.id) {
-    return res.status(401).json({ message: "You must be logged in to do this" });
-  }
-  const appType = "make_automation";
-  try {
-    const alreadyInstalled = await prisma.credential.findFirst({
-      where: {
-        type: appType,
-        userId: req.session.user.id,
-      },
-    });
-    if (alreadyInstalled) {
-      throw new Error("Already installed");
-    }
-    const installation = await prisma.credential.create({
-      data: {
-        type: appType,
-        key: {},
-        userId: req.session.user.id,
-        appId: "make",
-      },
-    });
-    if (!installation) {
-      throw new Error("Unable to create user credential for make");
-    }
-  } catch (error: unknown) {
-    if (error instanceof Error) {
-      return res.status(500).json({ message: error.message });
-    }
-    return res.status(500);
-  }
+const handler: AppDeclarativeHandler = {
+  appType: appConfig.type,
+  variant: appConfig.variant,
+  slug: appConfig.slug,
+  supportsMultipleInstalls: false,
+  handlerType: "add",
+  createCredential: ({ appType, user, slug, teamId }) =>
+    createDefaultInstallation({ appType, userId: user.id, slug, key: {}, teamId }),
+};
 
-  return res.status(200).json({ url: "/apps/make/setup" });
-}
+export default handler;