update storage display method

src/kohaku-hub-admin/src/pages/storage.vue

@@ -10,11 +10,8 @@ import dayjs from "dayjs";
 
 const router = useRouter();
 const adminStore = useAdminStore();
-const buckets = ref([]);
 const objects = ref([]);
-const loadingBuckets = ref(false);
-const loadingObjects = ref(false);
-const selectedBucket = ref(null);
+const loading = ref(false);
 const currentPath = ref("");
 const pathParts = ref([]);
 
@@ -64,34 +61,10 @@ function checkAuth() {
   return true;
 }
 
-async function loadBuckets() {
+async function loadObjects(prefix = "") {
   if (!checkAuth()) return;
 
-  loadingBuckets.value = true;
-  try {
-    const response = await listS3Buckets(adminStore.token);
-    buckets.value = response.buckets;
-  } catch (error) {
-    console.error("Failed to load buckets:", error);
-    if (error.response?.status === 401 || error.response?.status === 403) {
-      ElMessage.error("Invalid admin token. Please login again.");
-      adminStore.logout();
-      router.push("/login");
-    } else {
-      ElMessage.error(
-        error.response?.data?.detail?.error || "Failed to load S3 buckets",
-      );
-    }
-  } finally {
-    loadingBuckets.value = false;
-  }
-}
-
-async function loadObjects(bucket, prefix = "") {
-  if (!checkAuth()) return;
-
-  loadingObjects.value = true;
-  selectedBucket.value = bucket;
+  loading.value = true;
   currentPath.value = prefix;
 
   // Update breadcrumb path parts
@@ -102,7 +75,8 @@ async function loadObjects(bucket, prefix = "") {
   }
 
   try {
-    const response = await listS3Objects(adminStore.token, bucket.name, {
+    // Just list objects from the default configured bucket
+    const response = await listS3Objects(adminStore.token, "", {
       prefix,
       limit: 1000,
     });
@@ -110,33 +84,33 @@ async function loadObjects(bucket, prefix = "") {
   } catch (error) {
     console.error("Failed to load objects:", error);
     ElMessage.error(
-      error.response?.data?.detail?.error || "Failed to load S3 objects",
+      error.response?.data?.detail?.error || "Failed to load storage objects",
     );
   } finally {
-    loadingObjects.value = false;
+    loading.value = false;
   }
 }
 
 function navigateToFolder(folderName) {
   const newPath = currentPath.value + folderName + "/";
-  loadObjects(selectedBucket.value, newPath);
+  loadObjects(newPath);
 }
 
 function navigateToBreadcrumb(index) {
   if (index === -1) {
-    // Navigate to bucket root
-    loadObjects(selectedBucket.value, "");
+    // Navigate to root
+    loadObjects("");
   } else {
     // Navigate to specific path level
     const newPath = pathParts.value.slice(0, index + 1).join("/") + "/";
-    loadObjects(selectedBucket.value, newPath);
+    loadObjects(newPath);
   }
 }
 
 function navigateUp() {
   if (pathParts.value.length === 0) {
-    // Already at root, go back to buckets
-    clearObjectView();
+    // Already at root
+    return;
   } else {
     // Go up one level
     navigateToBreadcrumb(pathParts.value.length - 2);
@@ -147,32 +121,6 @@ function formatDate(dateStr) {
   return dayjs(dateStr).format("YYYY-MM-DD HH:mm:ss");
 }
 
-function getBucketProgress(bucket) {
-  // Return percentage for visual display
-  if (!bucket.total_size) return 0;
-  // Max 100GB for visual purposes
-  const maxSize = 100 * 1000 * 1000 * 1000;
-  return Math.min((bucket.total_size / maxSize) * 100, 100);
-}
-
-function getBucketColor(bucket) {
-  const progress = getBucketProgress(bucket);
-  if (progress > 80) return "danger";
-  if (progress > 50) return "warning";
-  return "success";
-}
-
-function handleBrowseBucket(bucket) {
-  loadObjects(bucket, "");
-}
-
-function clearObjectView() {
-  selectedBucket.value = null;
-  objects.value = [];
-  currentPath.value = "";
-  pathParts.value = [];
-}
-
 function getFileIcon(fileName) {
   const ext = fileName.split(".").pop().toLowerCase();
   const iconMap = {
@@ -200,7 +148,7 @@ function getFileIcon(fileName) {
 }
 
 onMounted(() => {
-  loadBuckets();
+  loadObjects(""); // Load root directly
 });
 </script>
 
@@ -209,94 +157,26 @@ onMounted(() => {
     <div class="page-container">
       <div class="flex justify-between items-center mb-6">
         <h1 class="text-3xl font-bold text-gray-900 dark:text-gray-100">
-          S3 Storage Browser
+          Storage Browser
         </h1>
-        <el-button @click="loadBuckets" :icon="'Refresh'">Refresh</el-button>
+        <el-button @click="loadObjects('')" :icon="'Refresh'" :loading="loading">
+          Refresh
+        </el-button>
       </div>
 
-      <!-- Buckets Overview -->
-      <el-card class="mb-4">
-        <template #header>
-          <div class="flex items-center justify-between">
-            <span class="font-bold">S3 Buckets</span>
-            <span class="text-sm text-gray-500">
-              {{ buckets.length }} bucket(s)
-            </span>
-          </div>
-        </template>
-
-        <el-empty
-          v-if="!loadingBuckets && buckets.length === 0"
-          description="No buckets found"
-        />
-
-        <div
-          v-else
-          v-loading="loadingBuckets"
-          class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4"
-        >
-          <div
-            v-for="bucket in buckets"
-            :key="bucket.name"
-            class="bucket-card p-4 border border-gray-200 dark:border-gray-700 rounded-lg hover:shadow-md transition-shadow cursor-pointer"
-            @click="handleBrowseBucket(bucket)"
-          >
-            <div class="flex items-start justify-between mb-2">
-              <div class="flex items-center gap-2">
-                <div class="i-carbon-data-base text-2xl text-blue-500" />
-                <div>
-                  <h3 class="font-bold text-gray-900 dark:text-gray-100">
-                    {{ bucket.name }}
-                  </h3>
-                  <p class="text-xs text-gray-500">
-                    {{ formatDate(bucket.creation_date) }}
-                  </p>
-                </div>
-              </div>
-            </div>
-
-            <div class="mt-3">
-              <div class="flex justify-between text-sm mb-1">
-                <span class="text-gray-600 dark:text-gray-400">Size:</span>
-                <span class="font-semibold">{{
-                  formatBytes(bucket.total_size)
-                }}</span>
-              </div>
-              <div class="flex justify-between text-sm">
-                <span class="text-gray-600 dark:text-gray-400">Objects:</span>
-                <span class="font-semibold">{{
-                  bucket.object_count.toLocaleString()
-                }}</span>
-              </div>
-            </div>
-
-            <el-progress
-              :percentage="getBucketProgress(bucket)"
-              :color="getBucketColor(bucket)"
-              :stroke-width="6"
-              class="mt-3"
-            />
-
-            <div v-if="bucket.error" class="mt-2 text-xs text-red-500">
-              Error: {{ bucket.error }}
-            </div>
-          </div>
-        </div>
-      </el-card>
-
-      <!-- File Explorer -->
-      <el-card v-if="selectedBucket">
+      <!-- File Explorer (Direct) -->
+      <el-card>
         <template #header>
           <div class="flex items-center justify-between">
             <div class="flex items-center gap-2">
-              <el-button size="small" @click="clearObjectView" :icon="'Back'">
-                Back to Buckets
-              </el-button>
-              <span class="font-bold">{{ selectedBucket.name }}</span>
+              <div class="i-carbon-folder-open text-2xl text-blue-600" />
+              <span class="font-bold">Storage Explorer</span>
             </div>
-            <div class="flex items-center gap-2 text-sm text-gray-500">
+            <div class="flex items-center gap-2 text-sm text-gray-500 dark:text-gray-400">
               <span>{{ folderStructure.folders.length }} folders</span>
+              <span>•</span>
               <span>{{ folderStructure.files.length }} files</span>
+              <span>•</span>
               <span>{{ objects.length }} total objects</span>
             </div>
           </div>
@@ -309,7 +189,7 @@ onMounted(() => {
             @click="navigateUp"
             :icon="'ArrowLeft'"
             class="mr-2"
-            :disabled="!selectedBucket"
+            :disabled="pathParts.length === 0"
           >
             Up
           </el-button>
@@ -335,10 +215,10 @@ onMounted(() => {
         </div>
 
         <!-- File Explorer View -->
-        <div v-loading="loadingObjects">
+        <div v-loading="loading">
           <el-empty
-            v-if="!loadingObjects && objects.length === 0"
-            description="This bucket is empty"
+            v-if="!loading && objects.length === 0"
+            description="Storage is empty"
           />
 
           <div v-else class="explorer-container">

src/kohaku-hub-admin/src/utils/api.js

@@ -349,17 +349,19 @@ export async function listS3Buckets(token) {
 /**
  * List S3 objects in a bucket
  * @param {string} token - Admin token
- * @param {string} bucket - Bucket name
+ * @param {string} bucket - Bucket name (empty = use configured bucket)
  * @param {Object} params - Query parameters
  * @returns {Promise<Object>} Object list
  */
 export async function listS3Objects(
   token,
   bucket,
-  { prefix = "", limit = 100 } = {},
+  { prefix = "", limit = 1000 } = {},
 ) {
   const client = createAdminClient(token);
-  const response = await client.get(`/storage/objects/${bucket}`, {
+  // Use /storage/objects (no bucket) to use configured bucket
+  const url = bucket ? `/storage/objects/${bucket}` : "/storage/objects";
+  const response = await client.get(url, {
     params: { prefix, limit },
   });
   return response.data;

src/kohakuhub/api/admin/routers/storage.py

@@ -26,10 +26,44 @@ async def list_s3_buckets(
 
     def _list_buckets():
         s3 = get_s3_client()
-        buckets = s3.list_buckets()
+
+        try:
+            buckets = s3.list_buckets()
+            logger.info(f"list_buckets() response: {buckets}")
+        except Exception as e:
+            logger.error(f"Failed to list buckets: {e}")
+            # For R2/path-style, list_buckets might not work
+            # Return configured bucket as fallback
+            from kohakuhub.config import cfg
+            return [
+                {
+                    "name": cfg.s3.bucket,
+                    "creation_date": "N/A",
+                    "total_size": 0,
+                    "object_count": 0,
+                    "note": "Using configured bucket (list_buckets not supported)",
+                }
+            ]
+
+        bucket_list = buckets.get("Buckets", [])
+        logger.info(f"Found {len(bucket_list)} buckets")
+
+        # If no buckets returned (R2 path-style issue), use configured bucket
+        if not bucket_list:
+            from kohakuhub.config import cfg
+            logger.warning("list_buckets returned empty, using configured bucket")
+            return [
+                {
+                    "name": cfg.s3.bucket,
+                    "creation_date": "N/A",
+                    "total_size": 0,
+                    "object_count": 0,
+                    "note": "Using configured bucket",
+                }
+            ]
 
         bucket_info = []
-        for bucket in buckets.get("Buckets", []):
+        for bucket in bucket_list:
             bucket_name = bucket["Name"]
 
             # Get bucket size (sum of all objects)
@@ -72,17 +106,18 @@ async def list_s3_buckets(
     return {"buckets": buckets}
 
 
+@router.get("/storage/objects")
 @router.get("/storage/objects/{bucket}")
 async def list_s3_objects(
-    bucket: str,
+    bucket: str = "",
     prefix: str = "",
-    limit: int = 100,
+    limit: int = 1000,
     _admin: bool = Depends(verify_admin_token),
 ):
-    """List S3 objects in a bucket.
+    """List S3 objects in configured bucket or specified bucket.
 
     Args:
-        bucket: Bucket name
+        bucket: Bucket name (empty = use configured bucket)
         prefix: Key prefix filter
         limit: Maximum objects to return
         _admin: Admin authentication (dependency)
@@ -90,12 +125,16 @@ async def list_s3_objects(
     Returns:
         List of S3 objects
     """
+    from kohakuhub.config import cfg
+
+    # Use configured bucket if not specified
+    bucket_name = bucket if bucket else cfg.s3.bucket
 
     def _list_objects():
         s3 = get_s3_client()
 
         try:
-            response = s3.list_objects_v2(Bucket=bucket, Prefix=prefix, MaxKeys=limit)
+            response = s3.list_objects_v2(Bucket=bucket_name, Prefix=prefix, MaxKeys=limit)
 
             objects = []
             for obj in response.get("Contents", []):
@@ -110,11 +149,12 @@ async def list_s3_objects(
 
             return {
                 "objects": objects,
+                "bucket": bucket_name,
                 "is_truncated": response.get("IsTruncated", False),
                 "key_count": len(objects),
             }
         except Exception as e:
-            logger.error(f"Failed to list objects in bucket {bucket}: {e}")
+            logger.error(f"Failed to list objects in bucket {bucket_name}: {e}")
             raise HTTPException(500, detail={"error": str(e)})
 
     result = await run_in_s3_executor(_list_objects)