[WIP] Download contract

frontend/src/services/api.ts

@@ -586,6 +586,25 @@ export function useGetContract(
     });
 }
 
+
+export function useGetContractFile(
+    id?: number,
+) {
+    return useQuery({
+        queryKey: ["contract"],
+        queryFn: () => fetch(`${Config.backend_uri}/contracts/${id}/file`)
+            .then(async (res) => {
+            const blob = await res.blob();
+            const disposition = res.headers.get("Content-Disposition");
+            const filename = disposition && disposition?.includes("filename=") ? 
+                disposition.split("filname=")[1].replace(/"/g, "") :
+                `contract_${id}.pdf`
+            return {blob, filename};
+        }),
+        enabled: !!id,
+    });
+}
+
 export function useCreateContract() {
     const queryClient = useQueryClient();