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f532f27f1f
### Summary As title --------- Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
100 lines
3.4 KiB
Go
100 lines
3.4 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package service
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import (
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"context"
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"errors"
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"ragflow/internal/dao"
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syncerconnector "ragflow/internal/syncer/connector"
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)
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// ErrSyncDocumentDeleterNotConfigured reports a missing production delete service.
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var ErrSyncDocumentDeleterNotConfigured = errors.New("sync document deleter is not configured")
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// SyncDocumentDeleter removes documents through the owning business service.
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type SyncDocumentDeleter interface {
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// DeleteDocument removes a document and dependent business state.
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DeleteDocument(ctx context.Context, docID string) error
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}
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// SyncPruneService owns prune snapshots and stale document deletion.
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type SyncPruneService struct {
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snapshotDAO *dao.SyncPruneSnapshotDAO
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deleter SyncDocumentDeleter
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store DocumentStore
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}
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// NewSyncPruneService creates a prune service.
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func NewSyncPruneService(snapshotDAO *dao.SyncPruneSnapshotDAO, deleter SyncDocumentDeleter, store DocumentStore) *SyncPruneService {
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if store == nil {
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store = NewGormDocumentStore()
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}
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return &SyncPruneService{snapshotDAO: snapshotDAO, deleter: deleter, store: store}
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}
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// ClearSnapshot removes temporary snapshot rows.
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func (s *SyncPruneService) ClearSnapshot(ctx context.Context, taskID string) error {
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return s.snapshotDAO.Clear(ctx, taskID)
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}
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// AddSnapshotBatch writes one slim snapshot batch.
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func (s *SyncPruneService) AddSnapshotBatch(ctx context.Context, taskID string, documents []syncerconnector.SlimDocument) error {
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return s.snapshotDAO.InsertBatch(ctx, taskID, documents)
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}
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// DeleteStale removes documents missing from the complete source snapshot.
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func (s *SyncPruneService) DeleteStale(ctx context.Context, taskContext SyncTaskContext) (int64, error) {
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sourceIDs, err := s.snapshotDAO.ListSourceIDs(ctx, taskContext.Task.ID)
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if err != nil {
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return 0, err
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}
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sourceType := SourceType(taskContext.Connector.Source, taskContext.Connector.ID)
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retain := RetainDocumentIDs(taskContext.Knowledgebase.ID, taskContext.Connector.ID, sourceIDs)
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existing, err := s.store.ListIDs(ctx, taskContext.Knowledgebase.ID, sourceType)
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if err != nil {
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return 0, err
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}
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var removed int64
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for docID := range existing {
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if _, ok := retain[docID]; ok {
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continue
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}
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if s.deleter == nil {
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return removed, ErrSyncDocumentDeleterNotConfigured
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}
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if err = s.deleter.DeleteDocument(ctx, docID); err != nil {
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return removed, err
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}
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removed++
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}
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if err = s.snapshotDAO.Clear(ctx, taskContext.Task.ID); err != nil {
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return removed, err
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}
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return removed, nil
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}
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// RetainDocumentIDs calculates PRUNE retain IDs using both legacy and new schemes.
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func RetainDocumentIDs(kbID, connectorID string, sourceIDs []string) map[string]struct{} {
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retain := make(map[string]struct{}, len(sourceIDs)*2)
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for _, sourceID := range sourceIDs {
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retain[Hash128(connectorID+":"+sourceID)] = struct{}{}
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retain[Hash128(kbID+":"+connectorID+":"+sourceID)] = struct{}{}
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}
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return retain
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}
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