FEAT[BE]: add GetAllProductUsageByProjectFlockKandangID method and ProductUsageRow struct

internal/modules/closings/repositories/closingKeuangan.repository.go

@@ -39,6 +39,9 @@ type ClosingKeuanganRepository interface {
 
 	// Products
 	GetProductsWithFlagsByIDs(ctx context.Context, productIDs []uint) ([]entity.Product, error)
+
+	// All Product Usage
+	GetAllProductUsageByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint) ([]ProductUsageRow, error)
 }
 
 type ClosingKeuanganRepositoryImpl struct {
@@ -75,6 +78,15 @@ type ActualUsageCostRow struct {
 	AveragePrice float64 `gorm:"column:average_price"`
 }
 
+type ProductUsageRow struct {
+	ProductID         uint    `gorm:"column:product_id"`
+	ProductName       string  `gorm:"column:product_name"`
+	FlagNames         string  `gorm:"column:flag_names"`
+	TotalQty          float64 `gorm:"column:total_qty"`
+	Price             float64 `gorm:"column:price"`
+	TotalPengeluaran  float64 `gorm:"column:total_pengeluaran"`
+}
+
 // === EGG PRODUCTION QUERIES ===
 
 // GetTotalEggProductionByProjectFlockID gets total egg production for all kandangs in a project flock
@@ -609,3 +621,153 @@ func (r *ClosingKeuanganRepositoryImpl) GetProductsWithFlagsByIDs(ctx context.Co
 
 	return products, nil
 }
+
+// GetAllProductUsageByProjectFlockKandangID gets all product usage for a project flock kandang
+// Combines data from all usable types: recordings, chickins, marketing, transfers, adjustments
+func (r *ClosingKeuanganRepositoryImpl) GetAllProductUsageByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint) ([]ProductUsageRow, error) {
+	if projectFlockKandangID == 0 {
+		return []ProductUsageRow{}, nil
+	}
+
+	var results []ProductUsageRow
+
+	rawQuery := `
+		SELECT
+			q.product_id,
+			q.product_name,
+			f.flag_names,
+			q.total_qty,
+			q.price,
+			q.total_qty * q.price AS total_pengeluaran
+		FROM (
+			SELECT
+				product_id,
+				product_name,
+				SUM(total_qty) AS total_qty,
+				AVG(price) AS price
+			FROM (
+				SELECT
+					pw.product_id,
+					p.name AS product_name,
+					COALESCE(SUM(
+						CASE
+							WHEN sa.stockable_type = 'PURCHASE_ITEMS' THEN COALESCE(sa.qty, 0)
+							WHEN sa.stockable_type = 'STOCK_TRANSFER_IN' THEN COALESCE(std.usage_qty, 0)
+							WHEN sa.stockable_type = 'TRANSFERTOLAYING_IN' THEN COALESCE(ltt.total_used, 0)
+							WHEN sa.stockable_type = 'ADJUSTMENT_IN' THEN COALESCE(adjs.total_used, 0)
+							WHEN sa.stockable_type = 'PROJECT_FLOCK_POPULATION' THEN COALESCE(pfp.total_used_qty, 0)
+							ELSE 0
+						END
+					), 0) AS total_qty,
+					COALESCE(AVG(CASE WHEN sa.stockable_type = 'PURCHASE_ITEMS' THEN COALESCE(pi.price, 0) END), 0) AS price
+				FROM recordings r
+				JOIN recording_stocks rs ON rs.recording_id = r.id
+				JOIN product_warehouses pw ON pw.id = rs.product_warehouse_id
+				JOIN products p ON p.id = pw.product_id
+				LEFT JOIN stock_allocations sa ON sa.usable_type = 'RECORDING_STOCK' AND sa.usable_id = rs.id AND sa.status = 'ACTIVE'
+				LEFT JOIN purchase_items pi ON pi.id = sa.stockable_id AND sa.stockable_type = 'PURCHASE_ITEMS'
+				LEFT JOIN stock_transfer_details std ON std.id = sa.stockable_id AND sa.stockable_type = 'STOCK_TRANSFER_IN'
+				LEFT JOIN laying_transfer_targets ltt ON ltt.id = sa.stockable_id AND sa.stockable_type = 'TRANSFERTOLAYING_IN'
+				LEFT JOIN adjustment_stocks adjs ON adjs.id = sa.stockable_id AND sa.stockable_type = 'ADJUSTMENT_IN'
+				LEFT JOIN project_flock_populations pfp ON pfp.id = sa.stockable_id AND sa.stockable_type = 'PROJECT_FLOCK_POPULATION'
+				WHERE r.project_flock_kandangs_id = ?
+					AND r.deleted_at IS NULL
+				GROUP BY pw.product_id, p.name
+
+				UNION ALL
+
+				SELECT
+					pw.product_id,
+					p.name AS product_name,
+					COALESCE(SUM(pc.usage_qty), 0) AS total_qty,
+					COALESCE(AVG(COALESCE(pi.price, 0)), 0) AS price
+				FROM project_chickins pc
+				JOIN product_warehouses pw ON pw.id = pc.product_warehouse_id
+				JOIN products p ON p.id = pw.product_id
+				LEFT JOIN purchase_items pi ON pi.product_warehouse_id = pw.id
+				WHERE pc.project_flock_kandang_id = ?
+					AND pc.usage_qty > 0
+				GROUP BY pw.product_id, p.name
+
+				UNION ALL
+
+				SELECT
+					pw.product_id,
+					p.name AS product_name,
+					COALESCE(SUM(mdp.usage_qty), 0) AS total_qty,
+					COALESCE(AVG(COALESCE(pi.price, 0)), 0) AS price
+				FROM marketing_delivery_products mdp
+				JOIN marketing_products mp ON mp.id = mdp.marketing_product_id
+				JOIN product_warehouses pw ON pw.id = mp.product_warehouse_id
+				JOIN products p ON p.id = pw.product_id
+				LEFT JOIN purchase_items pi ON pi.product_warehouse_id = pw.id
+				WHERE pw.project_flock_kandang_id = ?
+				GROUP BY pw.product_id, p.name
+
+				UNION ALL
+
+				SELECT
+					pw.product_id,
+					p.name AS product_name,
+					COALESCE(SUM(lts.usage_qty), 0) AS total_qty,
+					COALESCE(AVG(COALESCE(pi.price, 0)), 0) AS price
+				FROM laying_transfer_sources lts
+				JOIN laying_transfers lt ON lt.id = lts.laying_transfer_id
+				JOIN product_warehouses pw ON pw.id = lts.product_warehouse_id
+				JOIN products p ON p.id = pw.product_id
+				LEFT JOIN purchase_items pi ON pi.product_warehouse_id = pw.id
+				WHERE pw.project_flock_kandang_id = ?
+				GROUP BY pw.product_id, p.name
+
+				UNION ALL
+
+				SELECT
+					pw.product_id,
+					p.name AS product_name,
+					COALESCE(SUM(std.usage_qty), 0) AS total_qty,
+					COALESCE(AVG(COALESCE(pi.price, 0)), 0) AS price
+				FROM stock_transfer_details std
+				JOIN product_warehouses pw ON pw.id = std.source_product_warehouse_id
+				JOIN products p ON p.id = std.product_id
+				LEFT JOIN purchase_items pi ON pi.product_warehouse_id = pw.id
+				WHERE pw.project_flock_kandang_id = ?
+				GROUP BY pw.product_id, p.name
+
+				UNION ALL
+
+				SELECT
+					pw.product_id,
+					p.name AS product_name,
+					COALESCE(SUM(ads.usage_qty), 0) AS total_qty,
+					COALESCE(AVG(COALESCE(pi.price, 0)), 0) AS price
+				FROM adjustment_stocks ads
+				JOIN product_warehouses pw ON pw.id = ads.product_warehouse_id
+				JOIN products p ON p.id = pw.product_id
+				LEFT JOIN purchase_items pi ON pi.product_warehouse_id = pw.id
+				WHERE pw.project_flock_kandang_id = ?
+					AND ads.usage_qty > 0
+				GROUP BY pw.product_id, p.name
+			) x
+			GROUP BY product_id, product_name
+		) q
+		LEFT JOIN (
+			SELECT
+				p.id AS product_id,
+				STRING_AGG(DISTINCT f.name, ', ') AS flag_names
+			FROM products p
+			LEFT JOIN flags f ON f.flagable_type = 'products' AND f.flagable_id = p.id
+			GROUP BY p.id
+		) f ON f.product_id = q.product_id
+		ORDER BY q.product_name
+	`
+
+	err := r.DB().WithContext(ctx).
+		Raw(rawQuery, projectFlockKandangID, projectFlockKandangID, projectFlockKandangID, projectFlockKandangID, projectFlockKandangID, projectFlockKandangID).
+		Scan(&results).Error
+
+	if err != nil {
+		return nil, fmt.Errorf("failed to get all product usage: %w", err)
+	}
+
+	return results, nil
+}