|
| 1 | +package services |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "gpt-load/internal/models" |
| 6 | + "time" |
| 7 | + |
| 8 | + "github.com/sirupsen/logrus" |
| 9 | +) |
| 10 | + |
| 11 | +const ( |
| 12 | + deleteChunkSize = 1000 |
| 13 | + deleteTimeout = 30 * time.Minute |
| 14 | +) |
| 15 | + |
| 16 | +// KeyDeleteResult holds the result of a delete task. |
| 17 | +type KeyDeleteResult struct { |
| 18 | + DeletedCount int `json:"deleted_count"` |
| 19 | + IgnoredCount int `json:"ignored_count"` |
| 20 | +} |
| 21 | + |
| 22 | +// KeyDeleteService handles the asynchronous deletion of a large number of keys. |
| 23 | +type KeyDeleteService struct { |
| 24 | + TaskService *TaskService |
| 25 | + KeyService *KeyService |
| 26 | +} |
| 27 | + |
| 28 | +// NewKeyDeleteService creates a new KeyDeleteService. |
| 29 | +func NewKeyDeleteService(taskService *TaskService, keyService *KeyService) *KeyDeleteService { |
| 30 | + return &KeyDeleteService{ |
| 31 | + TaskService: taskService, |
| 32 | + KeyService: keyService, |
| 33 | + } |
| 34 | +} |
| 35 | + |
| 36 | +// StartDeleteTask initiates a new asynchronous key deletion task. |
| 37 | +func (s *KeyDeleteService) StartDeleteTask(group *models.Group, keysText string) (*TaskStatus, error) { |
| 38 | + keys := s.KeyService.ParseKeysFromText(keysText) |
| 39 | + if len(keys) == 0 { |
| 40 | + return nil, fmt.Errorf("no valid keys found in the input text") |
| 41 | + } |
| 42 | + |
| 43 | + initialStatus, err := s.TaskService.StartTask(TaskTypeKeyDelete, group.Name, len(keys), deleteTimeout) |
| 44 | + if err != nil { |
| 45 | + return nil, err |
| 46 | + } |
| 47 | + |
| 48 | + go s.runDelete(group, keys) |
| 49 | + |
| 50 | + return initialStatus, nil |
| 51 | +} |
| 52 | + |
| 53 | +func (s *KeyDeleteService) runDelete(group *models.Group, keys []string) { |
| 54 | + progressCallback := func(processed int) { |
| 55 | + if err := s.TaskService.UpdateProgress(processed); err != nil { |
| 56 | + logrus.Warnf("Failed to update task progress for group %d: %v", group.ID, err) |
| 57 | + } |
| 58 | + } |
| 59 | + |
| 60 | + deletedCount, ignoredCount, err := s.processAndDeleteKeys(group.ID, keys, progressCallback) |
| 61 | + if err != nil { |
| 62 | + if endErr := s.TaskService.EndTask(nil, err); endErr != nil { |
| 63 | + logrus.Errorf("Failed to end task with error for group %d: %v (original error: %v)", group.ID, endErr, err) |
| 64 | + } |
| 65 | + return |
| 66 | + } |
| 67 | + |
| 68 | + result := KeyDeleteResult{ |
| 69 | + DeletedCount: deletedCount, |
| 70 | + IgnoredCount: ignoredCount, |
| 71 | + } |
| 72 | + |
| 73 | + if endErr := s.TaskService.EndTask(result, nil); endErr != nil { |
| 74 | + logrus.Errorf("Failed to end task with success result for group %d: %v", group.ID, endErr) |
| 75 | + } |
| 76 | +} |
| 77 | + |
| 78 | +// processAndDeleteKeys is the core function for deleting keys with progress tracking. |
| 79 | +func (s *KeyDeleteService) processAndDeleteKeys( |
| 80 | + groupID uint, |
| 81 | + keys []string, |
| 82 | + progressCallback func(processed int), |
| 83 | +) (deletedCount int, ignoredCount int, err error) { |
| 84 | + var totalDeletedCount int64 |
| 85 | + |
| 86 | + for i := 0; i < len(keys); i += deleteChunkSize { |
| 87 | + end := i + deleteChunkSize |
| 88 | + if end > len(keys) { |
| 89 | + end = len(keys) |
| 90 | + } |
| 91 | + chunk := keys[i:end] |
| 92 | + |
| 93 | + deletedChunkCount, err := s.KeyService.KeyProvider.RemoveKeys(groupID, chunk) |
| 94 | + if err != nil { |
| 95 | + return int(totalDeletedCount), len(keys) - int(totalDeletedCount), err |
| 96 | + } |
| 97 | + |
| 98 | + totalDeletedCount += deletedChunkCount |
| 99 | + |
| 100 | + if progressCallback != nil { |
| 101 | + progressCallback(i + len(chunk)) |
| 102 | + } |
| 103 | + } |
| 104 | + |
| 105 | + return int(totalDeletedCount), len(keys) - int(totalDeletedCount), nil |
| 106 | +} |
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