adjust calculate for week at recording list

internal/utils/recording/recording_helpers.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"strings"
+	"time"
 
 	commonSvc "gitlab.com/mbugroup/lti-api.git/internal/common/service"
 	"gitlab.com/mbugroup/lti-api.git/internal/config"
@@ -243,6 +244,31 @@ func AttachProductionStandards(ctx context.Context, db *gorm.DB, warnOnly bool,
 		growthDetailByStd[standardID] = growthMap
 	}
 
+	// Batch-load laying transfer targets → source PFK chick_in_dates
+	// untuk menentukan actual chicken week (bukan hardcode LayingWeekStart offset)
+	type transferChickIn struct {
+		TargetPFKID uint
+		ChickInDate time.Time
+	}
+	layingPFKIDs := collectLayingPFKIDs(items)
+	sourceChickInByTarget := make(map[uint]time.Time, len(layingPFKIDs))
+	if len(layingPFKIDs) > 0 {
+		var results []transferChickIn
+		db.Raw(`
+			SELECT ltt.target_project_flock_kandang_id AS target_pfk_id, pc.chick_in_date
+			FROM laying_transfer_targets ltt
+			JOIN laying_transfer_sources lts ON lts.laying_transfer_id = ltt.laying_transfer_id
+			JOIN project_chickins pc ON pc.project_flock_kandang_id = lts.source_project_flock_kandang_id
+			WHERE ltt.target_project_flock_kandang_id IN ?
+			  AND ltt.deleted_at IS NULL
+			  AND lts.deleted_at IS NULL
+			  AND pc.deleted_at IS NULL
+		`, layingPFKIDs).Scan(&results)
+		for _, r := range results {
+			sourceChickInByTarget[r.TargetPFKID] = r.ChickInDate
+		}
+	}
+
 	for _, item := range items {
 		if item == nil || item.ProjectFlockKandang == nil || item.ProjectFlockKandang.ProjectFlock.Id == 0 {
 			continue
@@ -251,7 +277,8 @@ func AttachProductionStandards(ctx context.Context, db *gorm.DB, warnOnly bool,
 		if standardID == 0 {
 			continue
 		}
-		week := RecordingWeekValue(*item)
+		week := computeTransferAwareWeek(item, sourceChickInByTarget)
+		item.StandardWeek = &week
 		cacheKey := standardKey{standardID: standardID, week: week}
 		if cached, ok := cache[cacheKey]; ok {
 			applyProductionStandardValues(item, cached.values, cached.fcr)
@@ -291,6 +318,65 @@ func applyProductionStandardValues(item *entity.Recording, values productionStan
 	item.StandardFcr = fcr
 }
 
+// collectLayingPFKIDs mengumpulkan semua project_flock_kandang_id dari recording laying
+func collectLayingPFKIDs(items []*entity.Recording) []uint {
+	seen := make(map[uint]struct{})
+	var ids []uint
+	for _, item := range items {
+		if item == nil || item.ProjectFlockKandang == nil {
+			continue
+		}
+		if strings.EqualFold(item.ProjectFlockKandang.ProjectFlock.Category, string(utils.ProjectFlockCategoryLaying)) {
+			id := item.ProjectFlockKandang.Id
+			if _, ok := seen[id]; !ok {
+				seen[id] = struct{}{}
+				ids = append(ids, id)
+			}
+		}
+	}
+	return ids
+}
+
+// computeTransferAwareWeek menghitung production standard week untuk recording.
+// Laying dengan transfer: actual chicken age dari source PFK chick_in_date.
+// Laying cut-over (tanpa transfer): langsung dari recording.day (tanpa offset LayingWeekStart).
+// Non-laying: ((day-1)/7) + 1.
+func computeTransferAwareWeek(item *entity.Recording, sourceChickInByTarget map[uint]time.Time) int {
+	day := intValue(item.Day)
+	if item == nil || item.ProjectFlockKandang == nil {
+		if day > 0 {
+			return ((day - 1) / 7) + 1
+		}
+		return 0
+	}
+
+	isLaying := strings.EqualFold(item.ProjectFlockKandang.ProjectFlock.Category, string(utils.ProjectFlockCategoryLaying))
+	if !isLaying {
+		if day > 0 {
+			return ((day - 1) / 7) + 1
+		}
+		return 0
+	}
+
+	// Laying recording — cek apakah PFK ini adalah target dari laying transfer
+	if sourceChickIn, ok := sourceChickInByTarget[item.ProjectFlockKandang.Id]; ok && !sourceChickIn.IsZero() {
+		// Ada laying transfer: hitung umur aktual dari source PFK chick_in_date
+		rDate := time.Date(item.RecordDatetime.Year(), item.RecordDatetime.Month(), item.RecordDatetime.Day(), 0, 0, 0, 0, item.RecordDatetime.Location())
+		sDate := time.Date(sourceChickIn.Year(), sourceChickIn.Month(), sourceChickIn.Day(), 0, 0, 0, 0, sourceChickIn.Location())
+		actualDay := int(rDate.Sub(sDate).Hours() / 24)
+		if actualDay > 0 {
+			return ((actualDay - 1) / 7) + 1
+		}
+		return 0
+	}
+
+	// Cut-over laying (tanpa transfer): chick_in_date di PFK sudah umur asli DOC
+	if day > 0 {
+		return ((day - 1) / 7) + 1
+	}
+	return 0
+}
+
 func RecordingWeekValue(e entity.Recording) int {
 	day := intValue(e.Day)
 	if day <= 0 {