移动业务逻辑

internal/infra/repository/pig_batch_repository.go

@@ -1,8 +1,6 @@
 package repository
 
 import (
-	"errors"
-
 	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
 	"gorm.io/gorm"
 )
@@ -11,8 +9,10 @@ import (
 type PigBatchRepository interface {
 	CreatePigBatch(batch *models.PigBatch) (*models.PigBatch, error)
 	GetPigBatchByID(id uint) (*models.PigBatch, error)
-	UpdatePigBatch(batch *models.PigBatch) (*models.PigBatch, error)
-	DeletePigBatch(id uint) error
+	// UpdatePigBatch 更新一个猪批次，返回更新后的批次、受影响的行数和错误
+	UpdatePigBatch(batch *models.PigBatch) (*models.PigBatch, int64, error)
+	// DeletePigBatch 根据ID删除一个猪批次，返回受影响的行数和错误
+	DeletePigBatch(id uint) (int64, error)
 	ListPigBatches(isActive *bool) ([]*models.PigBatch, error)
 }
 
@@ -44,27 +44,23 @@ func (r *gormPigBatchRepository) GetPigBatchByID(id uint) (*models.PigBatch, err
 }
 
 // UpdatePigBatch 更新一个猪批次
-func (r *gormPigBatchRepository) UpdatePigBatch(batch *models.PigBatch) (*models.PigBatch, error) {
+func (r *gormPigBatchRepository) UpdatePigBatch(batch *models.PigBatch) (*models.PigBatch, int64, error) {
 	result := r.db.Model(&models.PigBatch{}).Where("id = ?", batch.ID).Updates(batch)
 	if result.Error != nil {
-		return nil, result.Error
+		return nil, 0, result.Error
 	}
-	if result.RowsAffected == 0 {
-		return nil, errors.New("未找到要更新的猪批次或数据未改变") // 明确返回错误，而不是 gorm.ErrRecordNotFound
-	}
-	return batch, nil
+	// 返回更新后的批次、受影响的行数和错误
+	return batch, result.RowsAffected, nil
 }
 
 // DeletePigBatch 根据ID删除一个猪批次 (GORM 会执行软删除)
-func (r *gormPigBatchRepository) DeletePigBatch(id uint) error {
+func (r *gormPigBatchRepository) DeletePigBatch(id uint) (int64, error) {
 	result := r.db.Delete(&models.PigBatch{}, id)
 	if result.Error != nil {
-		return result.Error
+		return 0, result.Error
 	}
-	if result.RowsAffected == 0 {
-		return errors.New("未找到要删除的猪批次") // 明确返回错误
-	}
-	return nil
+	// 返回受影响的行数和错误
+	return result.RowsAffected, nil
 }
 
 // ListPigBatches 批量查询猪批次，支持根据 IsActive 筛选