ListWeighingRecords

internal/infra/repository/pig_batch_repository.go

@@ -22,6 +22,9 @@ type PigBatchRepository interface {
 
 	// ListWeighingBatches 支持分页和过滤的批次称重列表查询
 	ListWeighingBatches(opts WeighingBatchListOptions, page, pageSize int) ([]models.WeighingBatch, int64, error)
+
+	// ListWeighingRecords 支持分页和过滤的单次称重记录列表查询
+	ListWeighingRecords(opts WeighingRecordListOptions, page, pageSize int) ([]models.WeighingRecord, int64, error)
 }
 
 // WeighingBatchListOptions 定义了查询批次称重记录时的可选参数
@@ -32,6 +35,16 @@ type WeighingBatchListOptions struct {
 	OrderBy    string     // 例如 "weighing_time asc"
 }
 
+// WeighingRecordListOptions 定义了查询单次称重记录时的可选参数
+type WeighingRecordListOptions struct {
+	WeighingBatchID *uint
+	PenID           *uint
+	OperatorID      *uint
+	StartTime       *time.Time // 基于 weighing_time 字段
+	EndTime         *time.Time // 基于 weighing_time 字段
+	OrderBy         string     // 例如 "weighing_time asc"
+}
+
 // gormPigBatchRepository 是 PigBatchRepository 的 GORM 实现
 type gormPigBatchRepository struct {
 	db *gorm.DB
@@ -150,3 +163,46 @@ func (r *gormPigBatchRepository) ListWeighingBatches(opts WeighingBatchListOptio
 
 	return results, total, err
 }
+
+// ListWeighingRecords 实现了分页和过滤查询单次称重记录的功能
+func (r *gormPigBatchRepository) ListWeighingRecords(opts WeighingRecordListOptions, page, pageSize int) ([]models.WeighingRecord, int64, error) {
+	if page <= 0 || pageSize <= 0 {
+		return nil, 0, ErrInvalidPagination
+	}
+
+	var results []models.WeighingRecord
+	var total int64
+
+	query := r.db.Model(&models.WeighingRecord{})
+
+	if opts.WeighingBatchID != nil {
+		query = query.Where("weighing_batch_id = ?", *opts.WeighingBatchID)
+	}
+	if opts.PenID != nil {
+		query = query.Where("pen_id = ?", *opts.PenID)
+	}
+	if opts.OperatorID != nil {
+		query = query.Where("operator_id = ?", *opts.OperatorID)
+	}
+	if opts.StartTime != nil {
+		query = query.Where("weighing_time >= ?", *opts.StartTime)
+	}
+	if opts.EndTime != nil {
+		query = query.Where("weighing_time <= ?", *opts.EndTime)
+	}
+
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	orderBy := "weighing_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
+}