init

internal/entities/order.go

@@ -0,0 +1,110 @@
+package entities
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type OrderType string
+type OrderStatus string
+type PaymentStatus string
+
+const (
+	OrderTypeDineIn   OrderType = "dine_in"
+	OrderTypeTakeout  OrderType = "takeout"
+	OrderTypeDelivery OrderType = "delivery"
+)
+
+const (
+	OrderStatusPending   OrderStatus = "pending"
+	OrderStatusPreparing OrderStatus = "preparing"
+	OrderStatusReady     OrderStatus = "ready"
+	OrderStatusCompleted OrderStatus = "completed"
+	OrderStatusCancelled OrderStatus = "cancelled"
+)
+
+const (
+	PaymentStatusPending           PaymentStatus = "pending"
+	PaymentStatusCompleted         PaymentStatus = "completed"
+	PaymentStatusFailed            PaymentStatus = "failed"
+	PaymentStatusRefunded          PaymentStatus = "refunded"
+	PaymentStatusPartiallyRefunded PaymentStatus = "partial-refunded"
+)
+
+type Order struct {
+	ID             uuid.UUID     `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
+	OrganizationID uuid.UUID     `gorm:"type:uuid;not null;index" json:"organization_id" validate:"required"`
+	OutletID       uuid.UUID     `gorm:"type:uuid;not null;index" json:"outlet_id" validate:"required"`
+	UserID         uuid.UUID     `gorm:"type:uuid;not null;index" json:"user_id" validate:"required"`
+	CustomerID     *uuid.UUID    `gorm:"type:uuid;index" json:"customer_id"`
+	OrderNumber    string        `gorm:"uniqueIndex;not null;size:50" json:"order_number" validate:"required"`
+	TableNumber    *string       `gorm:"size:20" json:"table_number"`
+	OrderType      OrderType     `gorm:"not null;size:50" json:"order_type" validate:"required,oneof=dine_in takeout delivery"`
+	Status         OrderStatus   `gorm:"default:'pending';size:50" json:"status"`
+	Subtotal       float64       `gorm:"type:decimal(10,2);not null" json:"subtotal" validate:"required,min=0"`
+	TaxAmount      float64       `gorm:"type:decimal(10,2);not null" json:"tax_amount" validate:"required,min=0"`
+	DiscountAmount float64       `gorm:"type:decimal(10,2);default:0.00" json:"discount_amount" validate:"min=0"`
+	TotalAmount    float64       `gorm:"type:decimal(10,2);not null" json:"total_amount" validate:"required,min=0"`
+	TotalCost      float64       `gorm:"type:decimal(10,2);default:0.00" json:"total_cost"`
+	PaymentStatus  PaymentStatus `gorm:"default:'pending';size:50" json:"payment_status"`
+	RefundAmount   float64       `gorm:"type:decimal(10,2);default:0.00" json:"refund_amount"`
+	IsVoid         bool          `gorm:"default:false" json:"is_void"`
+	IsRefund       bool          `gorm:"default:false" json:"is_refund"`
+	VoidReason     *string       `gorm:"size:255" json:"void_reason,omitempty"`
+	VoidedAt       *time.Time    `gorm:"" json:"voided_at,omitempty"`
+	VoidedBy       *uuid.UUID    `gorm:"type:uuid" json:"voided_by,omitempty"`
+	RefundReason   *string       `gorm:"size:255" json:"refund_reason,omitempty"`
+	RefundedAt     *time.Time    `gorm:"" json:"refunded_at,omitempty"`
+	RefundedBy     *uuid.UUID    `gorm:"type:uuid" json:"refunded_by,omitempty"`
+	Metadata       Metadata      `gorm:"type:jsonb;default:'{}'" json:"metadata"`
+	CreatedAt      time.Time     `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt      time.Time     `gorm:"autoUpdateTime" json:"updated_at"`
+
+	Organization Organization `gorm:"foreignKey:OrganizationID" json:"organization,omitempty"`
+	Outlet       Outlet       `gorm:"foreignKey:OutletID" json:"outlet,omitempty"`
+	User         User         `gorm:"foreignKey:UserID" json:"user,omitempty"`
+	OrderItems   []OrderItem  `gorm:"foreignKey:OrderID" json:"order_items,omitempty"`
+	Payments     []Payment    `gorm:"foreignKey:OrderID" json:"payments,omitempty"`
+}
+
+func (o *Order) BeforeCreate(tx *gorm.DB) error {
+	if o.ID == uuid.Nil {
+		o.ID = uuid.New()
+	}
+
+	if o.OrderNumber == "" {
+		timestamp := time.Now().Unix()
+		o.OrderNumber = fmt.Sprintf("ORD/%d", timestamp)
+	}
+
+	return nil
+}
+
+func (Order) TableName() string {
+	return "orders"
+}
+
+func (o *Order) CanBeModified() bool {
+	return o.Status == OrderStatusPending
+}
+
+func (o *Order) CanBeCancelled() bool {
+	return o.Status != OrderStatusCompleted && o.Status != OrderStatusCancelled
+}
+
+func (o *Order) GetTotalPaid() float64 {
+	var total float64
+	for _, payment := range o.Payments {
+		if payment.Status == PaymentTransactionStatusCompleted {
+			total += payment.Amount
+		}
+	}
+	return total
+}
+
+func (o *Order) IsFullyPaid() bool {
+	return o.GetTotalPaid() >= o.TotalAmount
+}