adjust api closing production data

internal/modules/production/recordings/repositories/recording.repository.go

@@ -48,12 +48,28 @@ type RecordingRepository interface {
 	GetTotalDepletionByProjectFlockID(ctx context.Context, projectFlockID uint) (totalDepletion float64, err error)
 	GetLatestAvgWeightByProjectFlockID(ctx context.Context, projectFlockID uint) (avgWeight float64, err error)
 	GetTotalEggProductionWeightByProjectFlockID(ctx context.Context, projectFlockID uint) (totalWeightKg float64, err error)
+	GetAverageTargetMetricsByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint, includeTargets bool) (RecordingTargetAverages, error)
 }
 
 type RecordingRepositoryImpl struct {
 	*repository.BaseRepositoryImpl[entity.Recording]
 }
 
+type RecordingTargetAverages struct {
+	HenDayAvg       float64
+	HenDayCount     int64
+	HenHouseAvg     float64
+	HenHouseCount   int64
+	EggWeightAvg    float64
+	EggWeightCount  int64
+	EggMassAvg      float64
+	EggMassCount    int64
+	FeedIntakeAvg   float64
+	FeedIntakeCount int64
+	FcrAvg          float64
+	FcrCount        int64
+}
+
 func NewRecordingRepository(db *gorm.DB) RecordingRepository {
 	return &RecordingRepositoryImpl{
 		BaseRepositoryImpl: repository.NewBaseRepository[entity.Recording](db),
@@ -433,6 +449,63 @@ func (r *RecordingRepositoryImpl) GetTotalEggProductionWeightByProjectFlockID(ct
 	return result, err
 }
 
+func (r *RecordingRepositoryImpl) GetAverageTargetMetricsByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint, includeTargets bool) (RecordingTargetAverages, error) {
+	var row struct {
+		HenDayTotal     float64
+		HenHouseTotal   float64
+		EggWeightTotal  float64
+		EggMassTotal    float64
+		FeedIntakeTotal float64
+		FcrTotal        float64
+		TotalCount      int64
+	}
+
+	selectParts := []string{
+		"COALESCE(SUM(feed_intake), 0) AS feed_intake_total",
+		"COALESCE(SUM(fcr_value), 0) AS fcr_total",
+		"COUNT(*) AS total_count",
+	}
+	if includeTargets {
+		selectParts = append([]string{
+			"COALESCE(SUM(hen_day), 0) AS hen_day_total",
+			"COALESCE(SUM(hen_house), 0) AS hen_house_total",
+			"COALESCE(SUM(egg_weight), 0) AS egg_weight_total",
+			"COALESCE(SUM(egg_mass), 0) AS egg_mass_total",
+		}, selectParts...)
+	}
+
+	if err := r.DB().WithContext(ctx).
+		Table("recordings").
+		Select(strings.Join(selectParts, ", ")).
+		Where("project_flock_kandangs_id = ? AND deleted_at IS NULL", projectFlockKandangID).
+		Scan(&row).Error; err != nil {
+		return RecordingTargetAverages{}, err
+	}
+
+	result := RecordingTargetAverages{
+		FeedIntakeCount: row.TotalCount,
+		FcrCount:        row.TotalCount,
+	}
+	if includeTargets {
+		result.HenDayCount = row.TotalCount
+		result.HenHouseCount = row.TotalCount
+		result.EggWeightCount = row.TotalCount
+		result.EggMassCount = row.TotalCount
+	}
+	if row.TotalCount > 0 {
+		if includeTargets {
+			result.HenDayAvg = row.HenDayTotal / float64(row.TotalCount)
+			result.HenHouseAvg = row.HenHouseTotal / float64(row.TotalCount)
+			result.EggWeightAvg = row.EggWeightTotal / float64(row.TotalCount)
+			result.EggMassAvg = row.EggMassTotal / float64(row.TotalCount)
+		}
+		result.FeedIntakeAvg = row.FeedIntakeTotal / float64(row.TotalCount)
+		result.FcrAvg = row.FcrTotal / float64(row.TotalCount)
+	}
+
+	return result, nil
+}
+
 func nextRecordingDay(days []int) int {
 	if len(days) == 0 {
 		return 1