ListPigTransferLogs

internal/infra/repository/pig_transfer_log_repository.go

@@ -7,6 +7,18 @@ import (
 	"gorm.io/gorm"
 )
 
+// PigTransferLogListOptions 定义了查询猪只迁移日志时的可选参数
+type PigTransferLogListOptions struct {
+	PigBatchID    *uint
+	PenID         *uint
+	TransferType  *models.PigTransferType // 迁移类型
+	OperatorID    *uint
+	CorrelationID *string
+	StartTime     *time.Time // 基于 transfer_time 字段
+	EndTime       *time.Time // 基于 transfer_time 字段
+	OrderBy       string     // 例如 "transfer_time desc"
+}
+
 // PigTransferLogRepository 定义了猪只迁移日志数据持久化的接口。
 type PigTransferLogRepository interface {
 	// CreatePigTransferLog 在数据库中创建一条猪只迁移日志记录。
@@ -14,6 +26,9 @@ type PigTransferLogRepository interface {
 
 	// GetLogsForPenSince 获取指定猪栏自特定时间点以来的所有迁移日志，按时间倒序排列。
 	GetLogsForPenSince(tx *gorm.DB, penID uint, since time.Time) ([]*models.PigTransferLog, error)
+
+	// ListPigTransferLogs 支持分页和过滤的猪只迁移日志列表查询
+	ListPigTransferLogs(opts PigTransferLogListOptions, page, pageSize int) ([]models.PigTransferLog, int64, error)
 }
 
 // gormPigTransferLogRepository 是 PigTransferLogRepository 接口的 GORM 实现。
@@ -37,3 +52,52 @@ func (r *gormPigTransferLogRepository) GetLogsForPenSince(tx *gorm.DB, penID uin
 	err := tx.Where("pen_id = ? AND transfer_time >= ?", penID, since).Order("transfer_time DESC").Find(&logs).Error
 	return logs, err
 }
+
+// ListPigTransferLogs 实现了分页和过滤查询猪只迁移日志的功能
+func (r *gormPigTransferLogRepository) ListPigTransferLogs(opts PigTransferLogListOptions, page, pageSize int) ([]models.PigTransferLog, int64, error) {
+	if page <= 0 || pageSize <= 0 {
+		return nil, 0, ErrInvalidPagination
+	}
+
+	var results []models.PigTransferLog
+	var total int64
+
+	query := r.db.Model(&models.PigTransferLog{})
+
+	if opts.PigBatchID != nil {
+		query = query.Where("pig_batch_id = ?", *opts.PigBatchID)
+	}
+	if opts.PenID != nil {
+		query = query.Where("pen_id = ?", *opts.PenID)
+	}
+	if opts.TransferType != nil {
+		query = query.Where("type = ?", *opts.TransferType)
+	}
+	if opts.OperatorID != nil {
+		query = query.Where("operator_id = ?", *opts.OperatorID)
+	}
+	if opts.CorrelationID != nil {
+		query = query.Where("correlation_id = ?", *opts.CorrelationID)
+	}
+	if opts.StartTime != nil {
+		query = query.Where("transfer_time >= ?", *opts.StartTime)
+	}
+	if opts.EndTime != nil {
+		query = query.Where("transfer_time <= ?", *opts.EndTime)
+	}
+
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	orderBy := "transfer_time DESC"
+	if opts.OrderBy != "" {
+		orderBy = opts.OrderBy
+	}
+	query = query.Order(orderBy)
+
+	offset := (page - 1) * pageSize
+	err := query.Limit(pageSize).Offset(offset).Find(&results).Error
+
+	return results, total, err
+}

internal/infra/repository/sensor_data_repository.go

@@ -9,7 +9,7 @@ import (
 )
 
 // ErrInvalidPagination 表示分页参数无效
-var ErrInvalidPagination = errors.New("invalid pagination parameters: page and pageSize must be positive")
+var ErrInvalidPagination = errors.New("无效的分页参数：page和pageSize必须为大于0")
 
 // SensorDataListOptions 定义了查询传感器数据列表时的可选参数
 type SensorDataListOptions struct {