Manjunath Kumar
--- a/src/document/document.service.ts
+++ b/src/document/document.service.ts
+      await logInsertToDocumentsAuditLogs(
+        this.prisma,
+        'document_audit_logs',
+        {
+          logDetails: {
+            document_id: document?.document_id,
+            action: Action.FETCH,
+            performed_by: 'system',
+            performed_at: new Date(),
+            status: Status.FAILURE,
+            error_message: error.message,
+            created_at: new Date(),
+          },
+        },
+      );
+      throw new InternalServerErrorException('Failed to fetch document');
--- a/src/document/document.service.ts
+++ b/src/document/document.service.ts
+ *
+ * @param prisma
+ * @param model
+ * @param args
+ */
+export async function logInsertToDocumentsAuditLogs(
+    prisma: PrismaClient,
+    model: string,
+    args: LogInsertionDocumentsAuditLogsArgs,
+): Promise<any> {
+  const {
+    logDetails,
+
+
+  } = args;
+  await prisma[model].create({
--- a/src/document/document.service.ts
+++ b/src/document/document.service.ts
+   *
+   * @param documentId
+   */
+  async fetchDocument(documentId: string) {
+    const document = await this.prisma.documents.findUnique({
+      where: {document_id: documentId},
+    });
+
+    if (!document) throw new NotFoundException('Document not found');
+
+    try {
+      // const file = await this.fileNetClient.get(document.document_id);//mock
+      if (document.source === 'FILENET') {
+        // Mock behavior: randomly return either base64 or presigned URL
+        const usePresignedUrl =
+          document.document_link !== null && Math.random() > 0.5;
--- a/src/document/document.controller.ts
+++ b/src/document/document.controller.ts
+  @ApiConsumes('application/json')
+  @ApiBody({
+    description: 'Fetch document by id request',
+    type: FetchDocumentRequestDto,
+  })
+  @ApiResponse({
+    status: 200,
+    description: 'Document fetched successfully',
+    type: FetchDocumentResponseDto,
+  })
+  async download(
+    @Body() body: FetchDocumentRequestDto,
+  ): Promise<FetchDocumentResponseDto> {
+    const result = await this.documentService.fetchDocument(body.id);
+    if (!result) {
+      throw new NotFoundException('Document not found');
--- a/src/document/document.service.ts
+++ b/src/document/document.service.ts
+
+  /**
+   *
+   * @param documentId
+   */
+  async fetchDocument(documentId: string) {
+    const document = await this.prisma.documents.findUnique(
+        {
+          where: {
+            document_id: documentId,
+          },
+        },
+    );
+
+    if (!document) throw new NotFoundException('Document not found');