fix: use accountinfo for bucket statistics

app/(dashboard)/browser/page.tsx

@@ -15,12 +15,12 @@ import { BucketNewForm } from "@/components/buckets/new-form"
 import { Spinner } from "@/components/ui/spinner"
 import { useBucket } from "@/hooks/use-bucket"
 import { useObject } from "@/hooks/use-object"
-import { useSystem } from "@/hooks/use-system"
 import { usePermissions } from "@/hooks/use-permissions"
 import { useDialog } from "@/lib/feedback/dialog"
 import { useMessage } from "@/lib/feedback/message"
 import { formatDateTime, formatInteger, niceBytes } from "@/lib/functions"
 import { normalizeDateToIso } from "@/lib/safe-date"
+import { getAccountBucketUsage } from "@/lib/account-bucket-usage"
 import { BrowserContent } from "./content"
 import type { ColumnDef } from "@tanstack/react-table"
 
@@ -33,70 +33,23 @@ interface BucketRow {
   IsPublic?: boolean
 }
 
-type BucketUsageMap = Record<string, { objects_count?: number; size?: number } | undefined>
-
 function BrowserBucketsPage() {
   const { t } = useTranslation()
   const router = useRouter()
   const message = useMessage()
   const dialog = useDialog()
-  const { canCapability } = usePermissions()
+  const { canCapability, userInfo, isLoading: accountInfoLoading, hasFetchedPolicy, fetchUserPolicy } = usePermissions()
   const { listBuckets, deleteBucket, getBucketPolicyStatus } = useBucket()
-  const { getDataUsageInfo } = useSystem()
 
   const [formVisible, setFormVisible] = useState(false)
   const [searchTerm, setSearchTerm] = useState("")
   const [data, setData] = useState<BucketRow[]>([])
   const [pending, setPending] = useState(true)
-  const [usageLoading, setUsageLoading] = useState(false)
   const [policyLoading, setPolicyLoading] = useState(false)
   const fetchIdRef = useRef(0)
 
   const canCreateBucket = canCapability("bucket.create")
 
-  const loadBucketUsage = useCallback(
-    async (fetchId: number, bucketNames: string[]) => {
-      if (bucketNames.length === 0) {
-        setUsageLoading(false)
-        return
-      }
-
-      try {
-        const usage = (await getDataUsageInfo()) as { buckets_usage?: BucketUsageMap } | undefined
-        if (fetchId !== fetchIdRef.current) return
-
-        // getDataUsageInfo returns undefined on 403; don't update data so table shows "--"
-        if (!usage) {
-          return
-        }
-
-        const bucketUsage = usage?.buckets_usage ?? {}
-
-        setData((prev) =>
-          prev.map((row) => {
-            const stats = bucketUsage[row.Name]
-            const objectsCount = typeof stats?.objects_count === "number" ? stats.objects_count : 0
-            const totalSize = typeof stats?.size === "number" ? stats.size : 0
-            return {
-              ...row,
-              Count: objectsCount,
-              Size: niceBytes(String(totalSize)),
-              SizeBytes: totalSize,
-            }
-          }),
-        )
-      } catch {
-        if (fetchId !== fetchIdRef.current) return
-        // On error, don't update the data - keep showing "--"
-      } finally {
-        if (fetchId === fetchIdRef.current) {
-          setUsageLoading(false)
-        }
-      }
-    },
-    [getDataUsageInfo],
-  )
-
   const loadPolicyStatus = useCallback(
     async (fetchId: number, bucketNames: string[]) => {
       if (bucketNames.length === 0) {
@@ -165,11 +118,9 @@ function BrowserBucketsPage() {
         setData(buckets)
         setPending(false)
 
-        setUsageLoading(true)
-        void loadBucketUsage(
-          fetchId,
-          buckets.map((bucket) => bucket.Name),
-        )
+        if (options?.force) {
+          void fetchUserPolicy()
+        }
 
         setPolicyLoading(true)
         void loadPolicyStatus(
@@ -186,16 +137,36 @@ function BrowserBucketsPage() {
         }
       }
     },
-    [listBuckets, loadBucketUsage, loadPolicyStatus],
+    [fetchUserPolicy, listBuckets, loadPolicyStatus],
   )
 
   useEffect(() => {
     fetchBuckets()
   }, [fetchBuckets])
 
+  const usageLoading = accountInfoLoading || !hasFetchedPolicy
+  const bucketUsage = useMemo(() => getAccountBucketUsage(userInfo), [userInfo])
+  const rowsWithUsage = useMemo(
+    () =>
+      data.map((row) => {
+        const usage = bucketUsage.get(row.Name)
+        if (!usage) return row
+
+        return {
+          ...row,
+          Count: usage.objectsCount,
+          Size: niceBytes(String(usage.sizeBytes)),
+          SizeBytes: usage.sizeBytes,
+        }
+      }),
+    [bucketUsage, data],
+  )
   const filteredData = useMemo(
-    () => (searchTerm ? data.filter((bucket) => bucket.Name.toLowerCase().includes(searchTerm.toLowerCase())) : data),
-    [data, searchTerm],
+    () =>
+      searchTerm
+        ? rowsWithUsage.filter((bucket) => bucket.Name.toLowerCase().includes(searchTerm.toLowerCase()))
+        : rowsWithUsage,
+    [rowsWithUsage, searchTerm],
   )
 
   const objectApi = useObject("")

components/buckets/list.tsx

@@ -9,10 +9,11 @@ import { SearchInput } from "@/components/search-input"
 import { DataTable } from "@/components/data-table/data-table"
 import { useDataTable } from "@/hooks/use-data-table"
 import { useBucket } from "@/hooks/use-bucket"
-import { useSystem } from "@/hooks/use-system"
+import { usePermissions } from "@/hooks/use-permissions"
 import { Spinner } from "@/components/ui/spinner"
 import { formatDateTime, formatInteger, niceBytes } from "@/lib/functions"
 import { normalizeDateToIso } from "@/lib/safe-date"
+import { getAccountBucketUsage } from "@/lib/account-bucket-usage"
 import type { ColumnDef } from "@tanstack/react-table"
 
 export interface BucketListRow {
@@ -24,8 +25,6 @@ export interface BucketListRow {
   IsPublic?: boolean
 }
 
-type BucketUsageMap = Record<string, { objects_count?: number; size?: number } | undefined>
-
 interface BucketListProps {
   title: React.ReactNode
   emptyDescription: string
@@ -35,49 +34,14 @@ interface BucketListProps {
 export function BucketList({ title, emptyDescription, getBucketHref }: BucketListProps) {
   const { t } = useTranslation()
   const { listBuckets, getBucketPolicyStatus } = useBucket()
-  const { getDataUsageInfo } = useSystem()
+  const { userInfo, isLoading: accountInfoLoading, hasFetchedPolicy, fetchUserPolicy } = usePermissions()
 
   const [searchTerm, setSearchTerm] = React.useState("")
   const [data, setData] = React.useState<BucketListRow[]>([])
   const [pending, setPending] = React.useState(true)
-  const [usageLoading, setUsageLoading] = React.useState(false)
   const [policyLoading, setPolicyLoading] = React.useState(false)
   const fetchIdRef = React.useRef(0)
 
-  const loadBucketUsage = React.useCallback(
-    async (fetchId: number, bucketNames: string[]) => {
-      if (bucketNames.length === 0) {
-        setUsageLoading(false)
-        return
-      }
-
-      try {
-        const usage = (await getDataUsageInfo()) as { buckets_usage?: BucketUsageMap } | undefined
-        if (fetchId !== fetchIdRef.current || !usage) return
-
-        const bucketUsage = usage.buckets_usage ?? {}
-        setData((prev) =>
-          prev.map((row) => {
-            const stats = bucketUsage[row.Name]
-            const objectsCount = typeof stats?.objects_count === "number" ? stats.objects_count : 0
-            const totalSize = typeof stats?.size === "number" ? stats.size : 0
-            return {
-              ...row,
-              Count: objectsCount,
-              Size: niceBytes(String(totalSize)),
-              SizeBytes: totalSize,
-            }
-          }),
-        )
-      } finally {
-        if (fetchId === fetchIdRef.current) {
-          setUsageLoading(false)
-        }
-      }
-    },
-    [getDataUsageInfo],
-  )
-
   const loadPolicyStatus = React.useCallback(
     async (fetchId: number, bucketNames: string[]) => {
       if (bucketNames.length === 0) {
@@ -141,8 +105,9 @@ export function BucketList({ title, emptyDescription, getBucketHref }: BucketLis
         setData(buckets)
 
         const bucketNames = buckets.map((bucket) => bucket.Name)
-        setUsageLoading(true)
-        void loadBucketUsage(fetchId, bucketNames)
+        if (options?.force) {
+          void fetchUserPolicy()
+        }
 
         setPolicyLoading(true)
         void loadPolicyStatus(fetchId, bucketNames)
@@ -155,16 +120,36 @@ export function BucketList({ title, emptyDescription, getBucketHref }: BucketLis
         }
       }
     },
-    [listBuckets, loadBucketUsage, loadPolicyStatus],
+    [fetchUserPolicy, listBuckets, loadPolicyStatus],
   )
 
   React.useEffect(() => {
     fetchBuckets()
   }, [fetchBuckets])
 
+  const usageLoading = accountInfoLoading || !hasFetchedPolicy
+  const bucketUsage = React.useMemo(() => getAccountBucketUsage(userInfo), [userInfo])
+  const rowsWithUsage = React.useMemo(
+    () =>
+      data.map((row) => {
+        const usage = bucketUsage.get(row.Name)
+        if (!usage) return row
+
+        return {
+          ...row,
+          Count: usage.objectsCount,
+          Size: niceBytes(String(usage.sizeBytes)),
+          SizeBytes: usage.sizeBytes,
+        }
+      }),
+    [bucketUsage, data],
+  )
   const filteredData = React.useMemo(
-    () => (searchTerm ? data.filter((bucket) => bucket.Name.toLowerCase().includes(searchTerm.toLowerCase())) : data),
-    [data, searchTerm],
+    () =>
+      searchTerm
+        ? rowsWithUsage.filter((bucket) => bucket.Name.toLowerCase().includes(searchTerm.toLowerCase()))
+        : rowsWithUsage,
+    [rowsWithUsage, searchTerm],
   )
 
   const columns: ColumnDef<BucketListRow>[] = React.useMemo(

lib/account-bucket-usage.js

@@ -0,0 +1,39 @@
+/**
+ * @typedef {{ objectsCount: number, sizeBytes: number }} AccountBucketUsage
+ */
+
+/**
+ * Extract bucket statistics from the authoritative accountinfo response.
+ * Invalid or incomplete entries are omitted so callers can display an
+ * unavailable state instead of fabricating zero usage.
+ *
+ * @param {Record<string, unknown> | null | undefined} accountInfo
+ * @returns {Map<string, AccountBucketUsage>}
+ */
+export function getAccountBucketUsage(accountInfo) {
+  /** @type {Map<string, AccountBucketUsage>} */
+  const usage = new Map()
+  const buckets = Array.isArray(accountInfo?.buckets) ? accountInfo.buckets : []
+
+  for (const bucket of buckets) {
+    if (!bucket || typeof bucket !== "object") continue
+
+    const { name, objects, size } = bucket
+    if (
+      typeof name !== "string" ||
+      !name ||
+      typeof objects !== "number" ||
+      !Number.isFinite(objects) ||
+      objects < 0 ||
+      typeof size !== "number" ||
+      !Number.isFinite(size) ||
+      size < 0
+    ) {
+      continue
+    }
+
+    usage.set(name, { objectsCount: objects, sizeBytes: size })
+  }
+
+  return usage
+}

tests/lib/account-bucket-usage.test.js

@@ -0,0 +1,35 @@
+import test from "node:test"
+import assert from "node:assert/strict"
+import { getAccountBucketUsage } from "../../lib/account-bucket-usage.js"
+
+test("getAccountBucketUsage reads authoritative bucket statistics from accountinfo", () => {
+  const usage = getAccountBucketUsage({
+    buckets: [
+      { name: "agent", objects: 1600, size: 209715200 },
+      { name: "cccc", objects: 1, size: 57344 },
+    ],
+  })
+
+  assert.deepEqual(usage.get("agent"), { objectsCount: 1600, sizeBytes: 209715200 })
+  assert.deepEqual(usage.get("cccc"), { objectsCount: 1, sizeBytes: 57344 })
+})
+
+test("getAccountBucketUsage preserves valid empty bucket statistics", () => {
+  const usage = getAccountBucketUsage({ buckets: [{ name: "empty", objects: 0, size: 0 }] })
+
+  assert.deepEqual(usage.get("empty"), { objectsCount: 0, sizeBytes: 0 })
+})
+
+test("getAccountBucketUsage does not turn missing or malformed statistics into zero", () => {
+  const usage = getAccountBucketUsage({
+    buckets: [
+      { name: "missing-size", objects: 3 },
+      { name: "negative", objects: -1, size: 10 },
+      { name: "not-finite", objects: 1, size: Number.NaN },
+      { name: "wrong-types", objects: "4", size: "12" },
+      { objects: 1, size: 12 },
+    ],
+  })
+
+  assert.equal(usage.size, 0)
+})

tests/lib/bucket-usage-source.test.js

@@ -0,0 +1,15 @@
+import test from "node:test"
+import assert from "node:assert/strict"
+import { readFile } from "node:fs/promises"
+
+const bucketPages = ["components/buckets/list.tsx", "app/(dashboard)/browser/page.tsx"]
+
+for (const file of bucketPages) {
+  test(`${file} uses accountinfo as the bucket statistics source`, async () => {
+    const source = await readFile(file, "utf8")
+
+    assert.match(source, /getAccountBucketUsage\(userInfo\)/)
+    assert.match(source, /fetchUserPolicy\(\)/)
+    assert.doesNotMatch(source, /getDataUsageInfo/)
+  })
+}