made the presigned url middleware

src/common/middlewares/aws/getPreSignedUrl.ts

@@ -0,0 +1,18 @@
+// common/utils/awsPresign.ts
+import config from "@/config/config";
+import { S3Client, GetObjectCommand } from "@aws-sdk/client-s3";
+import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
+
+const s3 = new S3Client({
+  region: config.aws.region, // e.g. ap-south-1
+});
+
+export const getPresignedUrl = async (bucket: string, key: string) => {
+  const command = new GetObjectCommand({
+    Bucket: bucket,
+    Key: key,
+  });
+
+  // URL valid for 1 hour
+  return await getSignedUrl(s3, command, { expiresIn: 3600 });
+};

src/modules/host/services/host.service.ts

@@ -10,6 +10,8 @@ import { hostCompanyDetailsSchema } from '@/common/utils/validation/host/hostCom
 import { HOST_STATUS_DISPLAY, HOST_STATUS_INTERNAL, STEPPER } from '@/common/utils/constants/host.constant';
 import { MINGLAR_STATUS_DISPLAY, MINGLAR_STATUS_INTERNAL } from '@/common/utils/constants/minglar.constant';
 import { ROLE } from '@/common/utils/constants/common.constant';
+import { getPresignedUrl } from '@/common/middlewares/aws/getPreSignedUrl';
+import config from '@/config/config';
 
 type HostCompanyDetailsInput = z.infer<typeof hostCompanyDetailsSchema>;
 
@@ -58,6 +60,23 @@ export class HostService {
       return { stepper: STEPPER.NOT_SUBMITTED } as any;
     }
 
+    if (host.HostDocuments?.length) {
+      const bucket = config.aws.bucketName;
+
+      for (const doc of host.HostDocuments) {
+        if (doc.filePath) {
+          const filePath = doc.filePath;
+
+          // If full URL is saved, extract only key
+          const key = filePath.startsWith("http")
+            ? filePath.split(".com/")[1]
+            : filePath;
+
+          (doc as any).presignedUrl = await getPresignedUrl(bucket, key);
+        }
+      }
+    }
+
     return host;
   }