first commit

calcom/packages/lib/apps/getInstallCountPerApp.ts

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+import { z } from "zod";
+
+import prisma from "@calcom/prisma";
+
+const getInstallCountPerApp = async () => {
+  const mostPopularApps = z.array(z.object({ appId: z.string(), installCount: z.number() })).parse(
+    await prisma.$queryRaw`
+    SELECT
+      c."appId",
+      COUNT(*)::integer AS "installCount"
+    FROM
+      "Credential" c
+    WHERE
+      c."appId" IS NOT NULL
+    GROUP BY
+      c."appId"
+    ORDER BY
+      "installCount" DESC
+    `
+  );
+  return mostPopularApps.reduce((acc, { appId, installCount }) => {
+    acc[appId] = installCount;
+    return acc;
+  }, {} as Record<string, number>);
+};
+
+export default getInstallCountPerApp;