mirror of
https://github.com/Awuqing/BackupX.git
synced 2026-05-11 18:10:23 +08:00
5a25690f3f
Three community-requested features: 1. CLI password reset: `backupx reset-password --username admin --password xxx` Docker users can run via `docker exec`. No full app init needed. 2. Audit logging: async fire-and-forget audit trail for all key operations (login, CRUD on tasks/targets/records, settings changes). New UI page at /audit with category filter and pagination. 3. Multi-source path backup: file backup tasks now support multiple source directories packed into a single tar archive. Backward compatible with existing single sourcePath field.
527 lines
18 KiB
Go
527 lines
18 KiB
Go
package service
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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"time"
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"backupx/server/internal/apperror"
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"backupx/server/internal/model"
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"backupx/server/internal/repository"
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"backupx/server/internal/storage/codec"
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)
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const backupTaskMaskedValue = "********"
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type BackupTaskUpsertInput struct {
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Name string `json:"name" binding:"required,min=1,max=100"`
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Type string `json:"type" binding:"required,oneof=file mysql sqlite postgresql pgsql"`
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Enabled bool `json:"enabled"`
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CronExpr string `json:"cronExpr" binding:"max=64"`
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SourcePath string `json:"sourcePath" binding:"max=500"`
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SourcePaths []string `json:"sourcePaths"`
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ExcludePatterns []string `json:"excludePatterns"`
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DBHost string `json:"dbHost" binding:"max=255"`
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DBPort int `json:"dbPort"`
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DBUser string `json:"dbUser" binding:"max=100"`
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DBPassword string `json:"dbPassword" binding:"max=255"`
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DBName string `json:"dbName" binding:"max=255"`
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DBPath string `json:"dbPath" binding:"max=500"`
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StorageTargetID uint `json:"storageTargetId"` // deprecated: 向后兼容
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StorageTargetIDs []uint `json:"storageTargetIds"` // 新增：多存储目标
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RetentionDays int `json:"retentionDays"`
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Compression string `json:"compression" binding:"omitempty,oneof=gzip none"`
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Encrypt bool `json:"encrypt"`
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MaxBackups int `json:"maxBackups"`
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}
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type BackupTaskToggleInput struct {
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Enabled *bool `json:"enabled"`
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}
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type BackupTaskSummary struct {
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ID uint `json:"id"`
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Name string `json:"name"`
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Type string `json:"type"`
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Enabled bool `json:"enabled"`
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CronExpr string `json:"cronExpr"`
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StorageTargetID uint `json:"storageTargetId"` // deprecated: 取第一个
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StorageTargetName string `json:"storageTargetName"` // deprecated: 取第一个
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StorageTargetIDs []uint `json:"storageTargetIds"`
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StorageTargetNames []string `json:"storageTargetNames"`
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RetentionDays int `json:"retentionDays"`
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Compression string `json:"compression"`
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Encrypt bool `json:"encrypt"`
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MaxBackups int `json:"maxBackups"`
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LastRunAt *time.Time `json:"lastRunAt,omitempty"`
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LastStatus string `json:"lastStatus"`
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UpdatedAt time.Time `json:"updatedAt"`
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}
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type BackupTaskDetail struct {
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BackupTaskSummary
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SourcePath string `json:"sourcePath"`
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SourcePaths []string `json:"sourcePaths"`
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ExcludePatterns []string `json:"excludePatterns"`
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DBHost string `json:"dbHost"`
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DBPort int `json:"dbPort"`
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DBUser string `json:"dbUser"`
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DBName string `json:"dbName"`
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DBPath string `json:"dbPath"`
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MaskedFields []string `json:"maskedFields,omitempty"`
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CreatedAt time.Time `json:"createdAt"`
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}
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type BackupTaskScheduler interface {
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SyncTask(ctx context.Context, task *model.BackupTask) error
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RemoveTask(ctx context.Context, taskID uint) error
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}
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type BackupTaskService struct {
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tasks repository.BackupTaskRepository
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targets repository.StorageTargetRepository
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cipher *codec.ConfigCipher
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scheduler BackupTaskScheduler
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}
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func NewBackupTaskService(
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tasks repository.BackupTaskRepository,
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targets repository.StorageTargetRepository,
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cipher *codec.ConfigCipher,
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) *BackupTaskService {
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return &BackupTaskService{tasks: tasks, targets: targets, cipher: cipher}
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}
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func (s *BackupTaskService) SetScheduler(scheduler BackupTaskScheduler) {
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s.scheduler = scheduler
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}
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func (s *BackupTaskService) List(ctx context.Context) ([]BackupTaskSummary, error) {
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items, err := s.tasks.List(ctx, repository.BackupTaskListOptions{})
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_LIST_FAILED", "无法获取备份任务列表", err)
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}
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result := make([]BackupTaskSummary, 0, len(items))
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for _, item := range items {
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result = append(result, toBackupTaskSummary(&item))
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}
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return result, nil
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}
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func (s *BackupTaskService) Get(ctx context.Context, id uint) (*BackupTaskDetail, error) {
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item, err := s.tasks.FindByID(ctx, id)
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_GET_FAILED", "无法获取备份任务详情", err)
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}
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if item == nil {
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return nil, apperror.New(http.StatusNotFound, "BACKUP_TASK_NOT_FOUND", "备份任务不存在", fmt.Errorf("backup task %d not found", id))
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}
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return s.toDetail(item)
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}
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func (s *BackupTaskService) Create(ctx context.Context, input BackupTaskUpsertInput) (*BackupTaskDetail, error) {
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input.Type = normalizeBackupTaskType(input.Type)
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if err := s.validateInput(ctx, nil, input); err != nil {
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return nil, err
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}
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existing, err := s.tasks.FindByName(ctx, strings.TrimSpace(input.Name))
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_LOOKUP_FAILED", "无法检查备份任务名称", err)
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}
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if existing != nil {
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return nil, apperror.Conflict("BACKUP_TASK_NAME_EXISTS", "备份任务名称已存在", nil)
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}
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item, err := s.buildTask(nil, input)
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if err != nil {
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return nil, err
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}
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if err := s.tasks.Create(ctx, item); err != nil {
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return nil, apperror.Internal("BACKUP_TASK_CREATE_FAILED", "无法创建备份任务", err)
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}
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if s.scheduler != nil {
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if err := s.scheduler.SyncTask(ctx, item); err != nil {
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return nil, apperror.Internal("BACKUP_TASK_SCHEDULE_FAILED", "无法同步备份任务调度", err)
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}
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}
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return s.Get(ctx, item.ID)
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}
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func (s *BackupTaskService) Update(ctx context.Context, id uint, input BackupTaskUpsertInput) (*BackupTaskDetail, error) {
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input.Type = normalizeBackupTaskType(input.Type)
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existing, err := s.tasks.FindByID(ctx, id)
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_GET_FAILED", "无法获取备份任务详情", err)
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}
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if existing == nil {
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return nil, apperror.New(http.StatusNotFound, "BACKUP_TASK_NOT_FOUND", "备份任务不存在", fmt.Errorf("backup task %d not found", id))
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}
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if err := s.validateInput(ctx, existing, input); err != nil {
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return nil, err
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}
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sameName, err := s.tasks.FindByName(ctx, strings.TrimSpace(input.Name))
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_LOOKUP_FAILED", "无法检查备份任务名称", err)
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}
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if sameName != nil && sameName.ID != existing.ID {
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return nil, apperror.Conflict("BACKUP_TASK_NAME_EXISTS", "备份任务名称已存在", nil)
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}
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item, err := s.buildTask(existing, input)
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if err != nil {
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return nil, err
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}
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item.ID = existing.ID
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item.CreatedAt = existing.CreatedAt
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if err := s.tasks.Update(ctx, item); err != nil {
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return nil, apperror.Internal("BACKUP_TASK_UPDATE_FAILED", "无法更新备份任务", err)
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}
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if s.scheduler != nil {
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if err := s.scheduler.SyncTask(ctx, item); err != nil {
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return nil, apperror.Internal("BACKUP_TASK_SCHEDULE_FAILED", "无法同步备份任务调度", err)
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}
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}
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return s.Get(ctx, item.ID)
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}
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func (s *BackupTaskService) Delete(ctx context.Context, id uint) error {
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existing, err := s.tasks.FindByID(ctx, id)
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if err != nil {
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return apperror.Internal("BACKUP_TASK_GET_FAILED", "无法获取备份任务详情", err)
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}
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if existing == nil {
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return apperror.New(http.StatusNotFound, "BACKUP_TASK_NOT_FOUND", "备份任务不存在", fmt.Errorf("backup task %d not found", id))
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}
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if s.scheduler != nil {
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if err := s.scheduler.RemoveTask(ctx, id); err != nil {
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return apperror.Internal("BACKUP_TASK_SCHEDULE_FAILED", "无法移除备份任务调度", err)
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}
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}
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if err := s.tasks.Delete(ctx, id); err != nil {
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return apperror.Internal("BACKUP_TASK_DELETE_FAILED", "无法删除备份任务", err)
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}
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if s.scheduler != nil {
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_ = s.scheduler.RemoveTask(ctx, id)
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}
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return nil
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}
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func (s *BackupTaskService) Toggle(ctx context.Context, id uint, enabled bool) (*BackupTaskSummary, error) {
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item, err := s.tasks.FindByID(ctx, id)
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_GET_FAILED", "无法获取备份任务详情", err)
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}
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if item == nil {
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return nil, apperror.New(http.StatusNotFound, "BACKUP_TASK_NOT_FOUND", "备份任务不存在", fmt.Errorf("backup task %d not found", id))
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}
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item.Enabled = enabled
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if err := s.tasks.Update(ctx, item); err != nil {
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return nil, apperror.Internal("BACKUP_TASK_UPDATE_FAILED", "无法更新备份任务状态", err)
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}
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if s.scheduler != nil {
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if err := s.scheduler.SyncTask(ctx, item); err != nil {
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return nil, apperror.Internal("BACKUP_TASK_SCHEDULE_FAILED", "无法同步备份任务调度", err)
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}
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}
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returnPtr, err := s.tasks.FindByID(ctx, id)
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_GET_FAILED", "无法获取备份任务详情", err)
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}
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returnValue := toBackupTaskSummary(returnPtr)
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return &returnValue, nil
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}
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// resolveStorageTargetIDs 统一处理新旧字段，返回有效的存储目标 ID 列表
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func resolveStorageTargetIDs(input BackupTaskUpsertInput) []uint {
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if len(input.StorageTargetIDs) > 0 {
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return input.StorageTargetIDs
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}
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if input.StorageTargetID > 0 {
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return []uint{input.StorageTargetID}
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}
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return nil
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}
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func (s *BackupTaskService) validateInput(ctx context.Context, existing *model.BackupTask, input BackupTaskUpsertInput) error {
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if strings.TrimSpace(input.Name) == "" {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "任务名称不能为空", nil)
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}
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targetIDs := resolveStorageTargetIDs(input)
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if len(targetIDs) == 0 {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "请选择至少一个存储目标", nil)
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}
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for _, tid := range targetIDs {
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target, err := s.targets.FindByID(ctx, tid)
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if err != nil {
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return apperror.Internal("BACKUP_TASK_STORAGE_LOOKUP_FAILED", "无法检查存储目标", err)
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}
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if target == nil {
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return apperror.BadRequest("BACKUP_STORAGE_TARGET_INVALID", fmt.Sprintf("关联的存储目标 %d 不存在", tid), nil)
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}
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}
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if input.RetentionDays < 0 {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "保留天数不能小于 0", nil)
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}
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if input.MaxBackups < 0 {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "最大保留份数不能小于 0", nil)
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}
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if input.Compression == "" {
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input.Compression = "gzip"
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}
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if strings.TrimSpace(input.CronExpr) != "" && len(strings.Fields(strings.TrimSpace(input.CronExpr))) < 5 {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "Cron 表达式格式不正确", nil)
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}
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passwordRequired := existing == nil || existing.DBPasswordCiphertext == ""
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return validateTaskTypeSpecificFields(input, passwordRequired)
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}
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func validateTaskTypeSpecificFields(input BackupTaskUpsertInput, passwordRequired bool) error {
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switch normalizeBackupTaskType(input.Type) {
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case "file":
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hasSourcePaths := len(resolveSourcePaths(input)) > 0
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if !hasSourcePaths {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "文件备份必须填写源路径", nil)
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}
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case "mysql", "postgresql":
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if strings.TrimSpace(input.DBHost) == "" {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "数据库主机不能为空", nil)
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}
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if input.DBPort <= 0 {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "数据库端口必须大于 0", nil)
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}
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if strings.TrimSpace(input.DBUser) == "" {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "数据库用户名不能为空", nil)
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}
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if passwordRequired && strings.TrimSpace(input.DBPassword) == "" {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "数据库密码不能为空", nil)
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}
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if strings.TrimSpace(input.DBName) == "" {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "数据库名称不能为空", nil)
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}
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case "sqlite":
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if strings.TrimSpace(input.DBPath) == "" {
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return apperror.BadRequest("BACKUP_TASK_INVALID", "SQLite 备份必须填写数据库文件路径", nil)
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}
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default:
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return apperror.BadRequest("BACKUP_TASK_INVALID", "不支持的备份任务类型", nil)
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}
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return nil
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}
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func (s *BackupTaskService) buildTask(existing *model.BackupTask, input BackupTaskUpsertInput) (*model.BackupTask, error) {
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excludePatterns, err := encodeExcludePatterns(input.ExcludePatterns)
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if err != nil {
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return nil, apperror.BadRequest("BACKUP_TASK_INVALID", "排除规则格式不合法", err)
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}
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sourcePathsJSON, err := encodeSourcePaths(resolveSourcePaths(input))
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if err != nil {
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return nil, apperror.BadRequest("BACKUP_TASK_INVALID", "源路径格式不合法", err)
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}
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passwordCiphertext := ""
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if existing != nil {
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passwordCiphertext = existing.DBPasswordCiphertext
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}
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if text := strings.TrimSpace(input.DBPassword); text != "" && text != backupTaskMaskedValue {
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ciphertext, encryptErr := s.cipher.Encrypt([]byte(text))
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if encryptErr != nil {
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return nil, apperror.Internal("BACKUP_TASK_ENCRYPT_FAILED", "无法保存数据库密码", encryptErr)
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}
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passwordCiphertext = ciphertext
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}
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compression := strings.TrimSpace(input.Compression)
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if compression == "" {
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compression = "gzip"
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}
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maxBackups := input.MaxBackups
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if maxBackups == 0 {
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maxBackups = 10
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}
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targetIDs := resolveStorageTargetIDs(input)
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// 保持旧字段兼容：取第一个
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primaryTargetID := uint(0)
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if len(targetIDs) > 0 {
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primaryTargetID = targetIDs[0]
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}
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// 构建多对多关联
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storageTargets := make([]model.StorageTarget, len(targetIDs))
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for i, tid := range targetIDs {
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storageTargets[i] = model.StorageTarget{ID: tid}
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}
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// 向后兼容：SourcePath 取第一个
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resolvedPaths := resolveSourcePaths(input)
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primarySourcePath := strings.TrimSpace(input.SourcePath)
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if len(resolvedPaths) > 0 {
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primarySourcePath = resolvedPaths[0]
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}
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item := &model.BackupTask{
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Name: strings.TrimSpace(input.Name),
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Type: normalizeBackupTaskType(input.Type),
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Enabled: input.Enabled,
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CronExpr: strings.TrimSpace(input.CronExpr),
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SourcePath: primarySourcePath,
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SourcePaths: sourcePathsJSON,
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ExcludePatterns: excludePatterns,
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DBHost: strings.TrimSpace(input.DBHost),
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DBPort: input.DBPort,
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DBUser: strings.TrimSpace(input.DBUser),
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DBPasswordCiphertext: passwordCiphertext,
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DBName: strings.TrimSpace(input.DBName),
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DBPath: strings.TrimSpace(input.DBPath),
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StorageTargetID: primaryTargetID,
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StorageTargets: storageTargets,
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RetentionDays: input.RetentionDays,
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Compression: compression,
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Encrypt: input.Encrypt,
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MaxBackups: maxBackups,
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LastStatus: "idle",
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}
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if existing != nil {
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item.LastRunAt = existing.LastRunAt
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item.LastStatus = existing.LastStatus
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item.CreatedAt = existing.CreatedAt
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}
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return item, nil
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}
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func (s *BackupTaskService) toDetail(item *model.BackupTask) (*BackupTaskDetail, error) {
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excludePatterns, err := decodeExcludePatterns(item.ExcludePatterns)
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_DECODE_FAILED", "无法解析备份任务配置", err)
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}
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sourcePaths, err := decodeSourcePaths(item.SourcePaths)
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if err != nil {
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return nil, apperror.Internal("BACKUP_TASK_DECODE_FAILED", "无法解析源路径配置", err)
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}
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detail := &BackupTaskDetail{
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BackupTaskSummary: toBackupTaskSummary(item),
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SourcePath: item.SourcePath,
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SourcePaths: sourcePaths,
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ExcludePatterns: excludePatterns,
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DBHost: item.DBHost,
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DBPort: item.DBPort,
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DBUser: item.DBUser,
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DBName: item.DBName,
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DBPath: item.DBPath,
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CreatedAt: item.CreatedAt,
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}
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if item.DBPasswordCiphertext != "" {
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detail.MaskedFields = []string{"dbPassword"}
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}
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return detail, nil
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}
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func toBackupTaskSummary(item *model.BackupTask) BackupTaskSummary {
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// 从多对多关联提取 IDs 和 Names
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var targetIDs []uint
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var targetNames []string
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if len(item.StorageTargets) > 0 {
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for _, t := range item.StorageTargets {
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targetIDs = append(targetIDs, t.ID)
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targetNames = append(targetNames, t.Name)
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}
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} else if item.StorageTargetID > 0 {
|
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// 回退到旧字段
|
||
targetIDs = []uint{item.StorageTargetID}
|
||
targetNames = []string{item.StorageTarget.Name}
|
||
}
|
||
// 向后兼容：取第一个
|
||
primaryID := uint(0)
|
||
primaryName := ""
|
||
if len(targetIDs) > 0 {
|
||
primaryID = targetIDs[0]
|
||
}
|
||
if len(targetNames) > 0 {
|
||
primaryName = targetNames[0]
|
||
}
|
||
return BackupTaskSummary{
|
||
ID: item.ID,
|
||
Name: item.Name,
|
||
Type: normalizeBackupTaskType(item.Type),
|
||
Enabled: item.Enabled,
|
||
CronExpr: item.CronExpr,
|
||
StorageTargetID: primaryID,
|
||
StorageTargetName: primaryName,
|
||
StorageTargetIDs: targetIDs,
|
||
StorageTargetNames: targetNames,
|
||
RetentionDays: item.RetentionDays,
|
||
Compression: item.Compression,
|
||
Encrypt: item.Encrypt,
|
||
MaxBackups: item.MaxBackups,
|
||
LastRunAt: item.LastRunAt,
|
||
LastStatus: item.LastStatus,
|
||
UpdatedAt: item.UpdatedAt,
|
||
}
|
||
}
|
||
|
||
func encodeExcludePatterns(value []string) (string, error) {
|
||
if len(value) == 0 {
|
||
return "[]", nil
|
||
}
|
||
encoded, err := json.Marshal(value)
|
||
if err != nil {
|
||
return "", err
|
||
}
|
||
return string(encoded), nil
|
||
}
|
||
|
||
func decodeExcludePatterns(value string) ([]string, error) {
|
||
if strings.TrimSpace(value) == "" {
|
||
return []string{}, nil
|
||
}
|
||
var items []string
|
||
if err := json.Unmarshal([]byte(value), &items); err != nil {
|
||
return nil, err
|
||
}
|
||
return items, nil
|
||
}
|
||
|
||
// resolveSourcePaths 统一处理 sourcePaths / sourcePath，返回有效路径列表
|
||
func resolveSourcePaths(input BackupTaskUpsertInput) []string {
|
||
if len(input.SourcePaths) > 0 {
|
||
var cleaned []string
|
||
for _, p := range input.SourcePaths {
|
||
if trimmed := strings.TrimSpace(p); trimmed != "" {
|
||
cleaned = append(cleaned, trimmed)
|
||
}
|
||
}
|
||
if len(cleaned) > 0 {
|
||
return cleaned
|
||
}
|
||
}
|
||
if sp := strings.TrimSpace(input.SourcePath); sp != "" {
|
||
return []string{sp}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func encodeSourcePaths(paths []string) (string, error) {
|
||
if len(paths) == 0 {
|
||
return "[]", nil
|
||
}
|
||
encoded, err := json.Marshal(paths)
|
||
if err != nil {
|
||
return "", err
|
||
}
|
||
return string(encoded), nil
|
||
}
|
||
|
||
func decodeSourcePaths(value string) ([]string, error) {
|
||
if strings.TrimSpace(value) == "" || strings.TrimSpace(value) == "[]" {
|
||
return []string{}, nil
|
||
}
|
||
var items []string
|
||
if err := json.Unmarshal([]byte(value), &items); err != nil {
|
||
return nil, err
|
||
}
|
||
return items, nil
|
||
}
|
||
|
||
func normalizeBackupTaskType(value string) string {
|
||
normalized := strings.TrimSpace(strings.ToLower(value))
|
||
if normalized == "pgsql" {
|
||
return "postgresql"
|
||
}
|
||
return normalized
|
||
}
|