show image preview + single file downloads

frontend/lib/api/warrens.ts

@@ -301,6 +301,40 @@ export async function fetchFile(
     };
 }
 
+export async function fetchFileStream(
+    warrenId: string,
+    path: string,
+    fileName: string
+): Promise<
+    { success: true; stream: ReadableStream<Uint8Array> } | { success: false }
+> {
+    if (!path.endsWith('/')) {
+        path += '/';
+    }
+    path += fileName;
+
+    const { data, error } = await useFetch<ReadableStream<Uint8Array>>(
+        getApiUrl(`warrens/files/cat?warrenId=${warrenId}&path=${path}`),
+        {
+            method: 'GET',
+            headers: getApiHeaders(),
+            responseType: 'stream',
+            cache: 'default',
+        }
+    );
+
+    if (data.value == null || error.value != null) {
+        return {
+            success: false,
+        };
+    }
+
+    return {
+        success: true,
+        stream: data.value,
+    };
+}
+
 export async function moveFile(
     warrenId: string,
     currentPath: string,