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feat(drive): personal drives have the user's quota in commun

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This commit is contained in:
Edouard Vanbelle
2026-06-26 00:30:09 +02:00
parent 996ace8a1d
commit cfd783cbd3
8 changed files with 602 additions and 103 deletions
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src/application/services/storage_usage_service.rs
+94 -16
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@@ -39,13 +39,22 @@ impl StorageUsageService {
/// (was three: user lookup + SUM + UPDATE). NOT called on the request
/// path — only by the per-upload background update and the sweep.
pub async fn update_user_storage_usage(&self, user_id: Uuid) -> Result<i64, DomainError> {
// User envelope = SUM of `drives.used_bytes` across personal
// drives owned by the user (see `docs/plan/drive.md` §7). Shared
// drives don't count. Ownership is canonical via `role_grants`.
let total_usage: Option<i64> = sqlx::query_scalar(
r#"
UPDATE auth.users u
SET storage_used_bytes = COALESCE((
SELECT SUM(f.size)::bigint
FROM storage.files f
WHERE f.user_id = u.id AND NOT f.is_trashed), 0)
SELECT SUM(d.used_bytes)::bigint
FROM storage.drives d
JOIN storage.role_grants g
ON g.resource_type = 'drive'
AND g.resource_id = d.id
AND g.role = 'owner'
AND g.subject_type = 'user'
AND g.subject_id = u.id
WHERE d.kind = 'personal'), 0)
WHERE u.id = $1
RETURNING u.storage_used_bytes
"#,
@@ -77,9 +86,15 @@ impl StorageUsageService {
r#"
UPDATE auth.users u
SET storage_used_bytes = COALESCE((
SELECT SUM(f.size)::bigint
FROM storage.files f
WHERE f.user_id = u.id AND NOT f.is_trashed), 0)
SELECT SUM(d.used_bytes)::bigint
FROM storage.drives d
JOIN storage.role_grants g
ON g.resource_type = 'drive'
AND g.resource_id = d.id
AND g.role = 'owner'
AND g.subject_type = 'user'
AND g.subject_id = u.id
WHERE d.kind = 'personal'), 0)
WHERE u.username = $1
RETURNING u.storage_used_bytes
"#,
@@ -128,6 +143,50 @@ impl StorageUsageService {
Ok(())
}
/// Conditional user-side delta: only fires when the target folder's
/// drive is `kind='personal'`. See `docs/plan/drive.md` §7.
///
/// The new quota model: `auth.users.storage_quota_bytes` is the cap on
/// the SUM of `used_bytes` across the user's personal drives. Shared
/// drives never count against any user envelope. The upload hot path
/// reads `drives.kind` from the same JOIN that already runs for the
/// drive cap check; firing this conditional delta instead of the
/// unconditional [`Self::add_user_storage_usage_delta`] keeps the
/// counter aligned with that envelope semantics. Idempotent + clamped
/// at zero, same as the unconditional sibling.
///
/// Implementation note: the EXISTS subquery is two indexed PK probes
/// (folder by id, drive by id) so the personal/shared discrimination
/// adds no real cost vs. the unconditional update.
pub async fn add_user_storage_usage_delta_if_personal(
&self,
user_id: Uuid,
folder_id: Uuid,
delta: i64,
) -> Result<(), DomainError> {
sqlx::query(
"UPDATE auth.users u
SET storage_used_bytes = GREATEST(0, u.storage_used_bytes + $2)
WHERE u.id = $1
AND EXISTS (
SELECT 1
FROM storage.folders f
JOIN storage.drives d ON d.id = f.drive_id
WHERE f.id = $3
AND d.kind = 'personal'
)",
)
.bind(user_id)
.bind(delta)
.bind(folder_id)
.execute(self.pool.as_ref())
.await
.map_err(|e| {
DomainError::internal_error("StorageUsage", format!("usage delta if personal: {e}"))
})?;
Ok(())
}
/// Incrementally adjust one drive's cached `storage.drives.used_bytes`
/// by `delta` bytes — same shape as
/// [`Self::add_user_storage_usage_delta`]: single statement, no
@@ -312,15 +371,17 @@ impl StorageUsageService {
loop {
ticker.tick().await;
debug!("Running scheduled storage-usage reconciliation");
if let Err(e) = service.update_all_users_storage_usage().await {
error!("Scheduled user storage-usage reconciliation failed: {}", e);
}
// Drive sweep runs alongside the user sweep — same
// cadence, same maintenance pool. Failure is logged
// but doesn't skip the next tick.
// Drive sweep runs FIRST: the user-side sweep below
// reads `drives.used_bytes` (the per-drive sum) to
// compute its own counter, so the drive counter must
// be honest first. Failure of one is logged but
// doesn't skip the other or the next tick.
if let Err(e) = service.update_all_drives_storage_usage().await {
error!("Scheduled drive storage-usage reconciliation failed: {}", e);
}
if let Err(e) = service.update_all_users_storage_usage().await {
error!("Scheduled user storage-usage reconciliation failed: {}", e);
}
}
});
}
@@ -358,16 +419,33 @@ impl StorageUsagePort for StorageUsageService {
async fn update_all_users_storage_usage(&self) -> Result<(), DomainError> {
debug!("Starting storage-usage reconciliation sweep");
// User envelope = SUM of `drives.used_bytes` across the user's
// personal drives. Shared drives don't count against any user
// (`docs/plan/drive.md` §7). The drive-side sweep runs FIRST
// (`start_reconciliation_job`) so `drives.used_bytes` is
// already honest by the time we read it here.
//
// Ownership lookup uses `role_grants` (canonical per §1) so
// both the user's default personal AND any secondary
// personals owned via Owner grants are summed. Secondaries
// aren't user-creatable today, but a backfill or admin path
// can produce them — covering that surface from day one.
let result = sqlx::query(
r#"
UPDATE auth.users u
SET storage_used_bytes = COALESCE(t.total, 0)
FROM auth.users u2
LEFT JOIN (
SELECT user_id, SUM(size)::bigint AS total
FROM storage.files
WHERE NOT is_trashed
GROUP BY user_id
SELECT g.subject_id AS user_id,
SUM(d.used_bytes)::bigint AS total
FROM storage.drives d
JOIN storage.role_grants g
ON g.resource_type = 'drive'
AND g.resource_id = d.id
AND g.role = 'owner'
AND g.subject_type = 'user'
WHERE d.kind = 'personal'
GROUP BY g.subject_id
) t ON t.user_id = u2.id
WHERE u.id = u2.id
AND NOT u2.is_external