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refactor(storage): drop per-upload storage_driver, use storage_config as single source

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Remove w_uploads.storage_driver and route all read/write/delete paths through
storage.Active() backed by storage_config.driver. Block direct driver switches
when uploads exist; require migration task instead. Simplify migration to
cursor-based file_path iteration without per-row driver updates.
This commit is contained in:
ryan
2026-06-18 13:56:31 +08:00
parent 1f391e9ec2
commit 410ff14795
25 changed files with 512 additions and 604 deletions
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internal/apps/upload/storage/storage_ops.go
+2 -38
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@@ -5,7 +5,6 @@ package storage
import (
"context"
"fmt"
"github.com/Rain-kl/Wavelet/internal/model"
"github.com/Rain-kl/Wavelet/internal/storage"
@@ -22,46 +21,11 @@ func ReadOnly(ctx context.Context) bool {
return state.ReadOnly
}
// OpenStoredObject opens a stored upload object from its configured backend.
// OpenStoredObject opens a stored upload object from the active storage backend.
func OpenStoredObject(ctx context.Context, upload *model.Upload) (*storage.Object, error) {
driver := storage.Driver(upload.StorageDriver)
if driver == "" {
driver = storage.DriverLocal
}
backend, err := backendForStoredDriver(ctx, driver)
_, backend, err := storage.Active(ctx)
if err != nil {
return nil, err
}
return backend.Get(ctx, upload.FilePath)
}
func backendForStoredDriver(ctx context.Context, driver storage.Driver) (storage.Backend, error) {
backend, err := storage.ForDriver(ctx, driver)
if err == nil {
return backend, nil
}
target, ok, targetErr := CurrentMigrationTargetConfig(ctx)
if targetErr != nil {
return nil, targetErr
}
if ok && target.Driver == driver {
return storage.NewBackend(ctx, target, driver)
}
return nil, fmt.Errorf("storage configuration for driver %q is unavailable", driver)
}
// CurrentMigrationTargetConfig returns the pending migration target config when available.
func CurrentMigrationTargetConfig(ctx context.Context) (storage.Config, bool, error) {
state := LoadMigrationAccessState(ctx)
if state.LoadErr != nil {
return storage.Config{}, false, state.LoadErr
}
if state.TargetErr != nil {
return storage.Config{}, false, state.TargetErr
}
if !state.HasTarget {
return storage.Config{}, false, nil
}
return state.Target, true, nil
}