From c4dea0c3db0041d00577a6e6aab309064243476f Mon Sep 17 00:00:00 2001
From: Yogini Tayade <yogini.tayade@tekditechnologies.com>
Date: Wed, 7 May 2025 12:32:17 +0530
Subject: [PATCH] applied nullable constraint to every field of the
 DeviceMetrics

---
 .../migration.sql                             | 16 +++++++++++
 prisma/schema.prisma                          | 28 +++++++++----------
 src/telemetry/telemetryMiddleware.ts          | 13 +++++++--
 3 files changed, 40 insertions(+), 17 deletions(-)
 create mode 100644 prisma/migrations/20250507063506_update_device_metrics_table/migration.sql

diff --git a/prisma/migrations/20250507063506_update_device_metrics_table/migration.sql b/prisma/migrations/20250507063506_update_device_metrics_table/migration.sql
new file mode 100644
index 0000000..5bb151a
--- /dev/null
+++ b/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;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 3eb0c6e..245ad64 100644
--- a/prisma/schema.prisma
+++ b/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])
-}
\ No newline at end of file
+  language    String?
+  createdAt   DateTime? @default(now())
+
+  user        User?    @relation(fields: [userId], references: [id])
+}
diff --git a/src/telemetry/telemetryMiddleware.ts b/src/telemetry/telemetryMiddleware.ts
index e082d89..9530973 100644
--- a/src/telemetry/telemetryMiddleware.ts
+++ b/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({