ini ar fifo

internal/entities/expense.go

@@ -18,6 +18,7 @@ type Expense struct {
 	TransactionDate         time.Time      `gorm:"type:date;not null"`
 	Notes                   string         `gorm:"type:text;column:notes"`
 	IsPaid                  bool           `gorm:"column:is_paid;not null;default:false"`
+	GrandTotal              float64        `gorm:"column:grand_total;type:numeric(15,3);not null;default:0"`
 	CreatedBy               uint64         `gorm:""`
 	CreatedAt               time.Time      `gorm:"autoCreateTime"`
 	UpdatedAt               time.Time      `gorm:"autoUpdateTime"`

internal/entities/marketing.go

@@ -15,6 +15,7 @@ type Marketing struct {
 	SalesPersonId uint           `gorm:"not null"`
 	Notes         string         `gorm:"type:text"`
 	MarketingType string         `gorm:"type:varchar(50)"`
+	GrandTotal    float64        `gorm:"column:grand_total;type:numeric(15,3);not null;default:0"`
 	CreatedBy     uint           `gorm:"not null"`
 	CreatedAt     time.Time      `gorm:"autoCreateTime"`
 	UpdatedAt     time.Time      `gorm:"autoUpdateTime"`

internal/entities/payment_allocation.go

@@ -0,0 +1,23 @@
+package entities
+
+import (
+	"time"
+)
+
+// PaymentAllocation merepresentasikan hasil FIFO matching dari 1 payment ke
+// tepat 1 sub-row anak (purchase_item / marketing_delivery_product /
+// expense_realization). DB constraint memastikan hanya satu FK yang non-null.
+type PaymentAllocation struct {
+	Id                         uint64    `gorm:"primaryKey;autoIncrement"`
+	PaymentId                  uint      `gorm:"not null;index"`
+	PurchaseItemId             *uint     `gorm:"column:purchase_item_id"`
+	MarketingDeliveryProductId *uint     `gorm:"column:marketing_delivery_product_id"`
+	ExpenseRealizationId       *uint64   `gorm:"column:expense_realization_id"`
+	Amount                     float64   `gorm:"type:numeric(15,3);not null"`
+	AllocatedAt                time.Time `gorm:"type:timestamptz;not null;default:NOW()"`
+
+	Payment                  *Payment                  `gorm:"foreignKey:PaymentId;references:Id"`
+	PurchaseItem             *PurchaseItem             `gorm:"foreignKey:PurchaseItemId;references:Id"`
+	MarketingDeliveryProduct *MarketingDeliveryProduct `gorm:"foreignKey:MarketingDeliveryProductId;references:Id"`
+	ExpenseRealization       *ExpenseRealization       `gorm:"foreignKey:ExpenseRealizationId;references:Id"`
+}

internal/entities/purchase.go

@@ -12,6 +12,7 @@ type Purchase struct {
 	SupplierId uint `gorm:"not null"`
 	CreditTerm int  `gorm:"column:credit_term;not null;default:0"`
 	DueDate    *time.Time
+	GrandTotal float64 `gorm:"column:grand_total;type:numeric(15,3);not null;default:0"`
 	Notes      *string
 	CreatedAt  time.Time  `gorm:"autoCreateTime"`
 	UpdatedAt  time.Time  `gorm:"autoUpdateTime"`