applied nullable constraint to every field of the DeviceMetrics

prisma/migrations/20250507063506_update_device_metrics_table/migration.sql

@@ -0,0 +1,16 @@
+-- DropForeignKey
+ALTER TABLE "DeviceMetrics" DROP CONSTRAINT "DeviceMetrics_userId_fkey";
+
+-- AlterTable
+ALTER TABLE "DeviceMetrics" ALTER COLUMN "did" DROP NOT NULL,
+ALTER COLUMN "browserName" DROP NOT NULL,
+ALTER COLUMN "osName" DROP NOT NULL,
+ALTER COLUMN "deviceType" DROP NOT NULL,
+ALTER COLUMN "deviceName" DROP NOT NULL,
+ALTER COLUMN "sessionId" DROP NOT NULL,
+ALTER COLUMN "createdAt" DROP NOT NULL,
+ALTER COLUMN "language" DROP NOT NULL,
+ALTER COLUMN "userId" DROP NOT NULL;
+
+-- AddForeignKey
+ALTER TABLE "DeviceMetrics" ADD CONSTRAINT "DeviceMetrics_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/schema.prisma

@@ -122,20 +122,20 @@ model BiharKrishiMetrics {
   @@index([createdAt])
 }
 model DeviceMetrics {
-  id          String  @id @default(uuid())
-  did         String
-  sessionId   String
-  userId      String   @db.Uuid  
-  deviceType  String
-  deviceName  String
-  browserName String
-  osName      String
+  id          String   @id @default(uuid())
+  did         String?
+  sessionId   String?
+  userId      String?  @db.Uuid
+  deviceType  String?
+  deviceName  String?
+  browserName String?
+  osName      String?
   latitude    Float?
-  longitude   Float?  
+  longitude   Float?
   state       String?
   district    String?
-  language    String 
-  createdAt   DateTime @default(now())
-  
-  user        User     @relation(fields: [userId], references: [id])
-}
+  language    String?
+  createdAt   DateTime? @default(now())
+
+  user        User?    @relation(fields: [userId], references: [id])
+}

src/telemetry/telemetryMiddleware.ts

@@ -66,9 +66,16 @@ export async function telemetryMiddleware(
             sessionId,
         };
         logger.log(`DEVICE INFO: ${JSON.stringify(deviceInfo)}`);
-        const userExists = await prisma.user.findUnique({
-            where: { id: userId },
-        });
+        let userExists;
+        if (userId) {
+            userExists = await prisma.user.findUnique({
+                where: { id: userId },
+            });
+        } else {
+            // handle the case where userId is not present
+            console.warn("userId is undefined, skipping user lookup");
+        }
+
         if (userExists) {
             const { userId, ...deviceInfoWithoutUserId } = deviceInfo;
             await prisma.deviceMetrics.create({