weijuesen
54 lines
1.8 KiB
Go
54 lines
1.8 KiB
Go
package service
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// ProductionLossRow 产量损失统计原始行。
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type ProductionLossRow struct {
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BatchID string `gorm:"column:batch_id"`
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RoomID string `gorm:"column:room_id"`
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DeathCount int64 `gorm:"column:death_count"`
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CulledCount int64 `gorm:"column:culled_count"`
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YieldKg float64 `gorm:"column:yield_kg"`
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LossKg float64 `gorm:"column:loss_kg"`
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CostAmount float64 `gorm:"column:cost_amount"`
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RecordCount int64 `gorm:"column:record_count"`
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}
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// ProductionLossStat 按房间/批次聚合后的产量损失统计。
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type ProductionLossStat struct {
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BatchID string `json:"batchId"`
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RoomID string `json:"roomId"`
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RoomName string `json:"roomName,omitempty"`
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BatchName string `json:"batchName,omitempty"`
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DeathCount int64 `json:"deathCount"`
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CulledCount int64 `json:"culledCount"`
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YieldKg float64 `json:"yieldKg"`
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LossKg float64 `json:"lossKg"`
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CostAmount float64 `json:"costAmount"`
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RecordCount int64 `json:"recordCount"`
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}
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// AggregateProductionLoss 聚合产量损失记录；空输入返回空数组。
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func AggregateProductionLoss(rows []ProductionLossRow) []ProductionLossStat {
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byKey := make(map[string]*ProductionLossStat)
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var order []string
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for _, r := range rows {
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key := r.RoomID + "|" + r.BatchID
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stat, ok := byKey[key]
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if !ok {
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stat = &ProductionLossStat{RoomID: r.RoomID, BatchID: r.BatchID}
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byKey[key] = stat
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order = append(order, key)
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}
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stat.DeathCount += r.DeathCount
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stat.CulledCount += r.CulledCount
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stat.YieldKg += r.YieldKg
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stat.LossKg += r.LossKg
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stat.CostAmount += r.CostAmount
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stat.RecordCount += r.RecordCount
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}
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result := make([]ProductionLossStat, 0, len(order))
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for _, key := range order {
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result = append(result, *byKey[key])
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}
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return result
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}
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