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	feat: 实现数据库备份和恢复并发调度 (#84)
This commit is contained in:
		@@ -1,73 +1,22 @@
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package persistence
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import (
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	"context"
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	"errors"
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	"fmt"
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	"mayfly-go/internal/db/domain/entity"
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	"mayfly-go/internal/db/domain/repository"
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	"mayfly-go/pkg/gormx"
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	"mayfly-go/pkg/model"
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	"slices"
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	"gorm.io/gorm"
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)
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var _ repository.DbRestore = (*dbRestoreRepoImpl)(nil)
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type dbRestoreRepoImpl struct {
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	dbTaskBase[*entity.DbRestore]
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	dbJobBase[*entity.DbRestore]
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}
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func NewDbRestoreRepo() repository.DbRestore {
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	return &dbRestoreRepoImpl{}
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}
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// GetDbRestoreList 分页获取数据库备份任务列表
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func (d *dbRestoreRepoImpl) GetDbRestoreList(condition *entity.DbRestoreQuery, pageParam *model.PageParam, toEntity any, _ ...string) (*model.PageResult[any], error) {
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	qd := gormx.NewQuery(d.GetModel()).
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		Eq("id", condition.Id).
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		Eq0("db_instance_id", condition.DbInstanceId).
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		Eq0("repeated", condition.Repeated).
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		In0("db_name", condition.InDbNames).
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		Like("db_name", condition.DbName)
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	return gormx.PageQuery(qd, pageParam, toEntity)
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}
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func (d *dbRestoreRepoImpl) AddTask(ctx context.Context, tasks ...*entity.DbRestore) error {
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	return gormx.Tx(func(db *gorm.DB) error {
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		var instanceId uint64
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		dbNames := make([]string, 0, len(tasks))
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		for _, task := range tasks {
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			if instanceId == 0 {
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				instanceId = task.DbInstanceId
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			}
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			if task.DbInstanceId != instanceId {
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				return errors.New("不支持同时为多个数据库实例添加备份任务")
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			}
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			if task.Interval == 0 {
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				// 单次执行的恢复任务可重复创建
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				continue
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			}
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			dbNames = append(dbNames, task.DbName)
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		}
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		var res []string
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		err := db.Model(new(entity.DbRestore)).Select("db_name").
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			Where("db_instance_id = ?", instanceId).
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			Where("db_name in ?", dbNames).
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			Where("repeated = true").
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			Scopes(gormx.UndeleteScope).Find(&res).Error
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		if err != nil {
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			return err
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		}
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		if len(res) > 0 {
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			return fmt.Errorf("数据库备份任务已存在: %v", res)
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		}
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		return d.BatchInsertWithDb(ctx, db, tasks)
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	})
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}
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func (d *dbRestoreRepoImpl) GetDbNamesWithoutRestore(instanceId uint64, dbNames []string) ([]string, error) {
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	var dbNamesWithRestore []string
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	query := gormx.NewQuery(d.GetModel()).
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