90 lines
3.4 KiB
Go
90 lines
3.4 KiB
Go
package entities
|
|
|
|
import (
|
|
"database/sql/driver"
|
|
"encoding/json"
|
|
"errors"
|
|
"time"
|
|
|
|
"github.com/google/uuid"
|
|
"gorm.io/gorm"
|
|
)
|
|
|
|
type Modifiers []map[string]interface{}
|
|
|
|
func (m Modifiers) Value() (driver.Value, error) {
|
|
return json.Marshal(m)
|
|
}
|
|
|
|
func (m *Modifiers) Scan(value interface{}) error {
|
|
if value == nil {
|
|
*m = make(Modifiers, 0)
|
|
return nil
|
|
}
|
|
|
|
bytes, ok := value.([]byte)
|
|
if !ok {
|
|
return errors.New("type assertion to []byte failed")
|
|
}
|
|
|
|
return json.Unmarshal(bytes, m)
|
|
}
|
|
|
|
type OrderItemStatus string
|
|
|
|
const (
|
|
OrderItemStatusPending OrderItemStatus = "pending"
|
|
OrderItemStatusPreparing OrderItemStatus = "preparing"
|
|
OrderItemStatusReady OrderItemStatus = "ready"
|
|
OrderItemStatusServed OrderItemStatus = "served"
|
|
OrderItemStatusCancelled OrderItemStatus = "cancelled"
|
|
)
|
|
|
|
type OrderItem struct {
|
|
ID uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
|
|
OrderID uuid.UUID `gorm:"type:uuid;not null;index" json:"order_id" validate:"required"`
|
|
ProductID uuid.UUID `gorm:"type:uuid;not null;index" json:"product_id" validate:"required"`
|
|
ProductVariantID *uuid.UUID `gorm:"type:uuid;index" json:"product_variant_id"`
|
|
Quantity int `gorm:"not null" json:"quantity" validate:"required,min=1"`
|
|
UnitPrice float64 `gorm:"type:decimal(10,2);not null" json:"unit_price" validate:"required,min=0"`
|
|
TotalPrice float64 `gorm:"type:decimal(10,2);not null" json:"total_price" validate:"required,min=0"`
|
|
UnitCost float64 `gorm:"type:decimal(10,2);default:0.00" json:"unit_cost"`
|
|
TotalCost float64 `gorm:"type:decimal(10,2);default:0.00" json:"total_cost"`
|
|
RefundAmount float64 `gorm:"type:decimal(10,2);default:0.00" json:"refund_amount"`
|
|
RefundQuantity int `gorm:"default:0" json:"refund_quantity"`
|
|
IsPartiallyRefunded bool `gorm:"default:false" json:"is_partially_refunded"`
|
|
IsFullyRefunded bool `gorm:"default:false" json:"is_fully_refunded"`
|
|
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"`
|
|
Modifiers Modifiers `gorm:"type:jsonb;default:'[]'" json:"modifiers"`
|
|
Notes *string `gorm:"size:500" json:"notes,omitempty"`
|
|
Metadata Metadata `gorm:"type:jsonb;default:'{}'" json:"metadata"`
|
|
Status OrderItemStatus `gorm:"default:'pending';size:50" json:"status"`
|
|
CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
|
|
UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
|
|
|
|
Order Order `gorm:"foreignKey:OrderID" json:"order,omitempty"`
|
|
Product Product `gorm:"foreignKey:ProductID" json:"product,omitempty"`
|
|
ProductVariant *ProductVariant `gorm:"foreignKey:ProductVariantID" json:"product_variant,omitempty"`
|
|
}
|
|
|
|
func (oi *OrderItem) BeforeCreate(tx *gorm.DB) error {
|
|
if oi.ID == uuid.Nil {
|
|
oi.ID = uuid.New()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (OrderItem) TableName() string {
|
|
return "order_items"
|
|
}
|
|
|
|
func (oi *OrderItem) CalculateTotalPrice() {
|
|
oi.TotalPrice = float64(oi.Quantity) * oi.UnitPrice
|
|
}
|
|
|
|
func (oi *OrderItem) CanBeModified() bool {
|
|
return oi.Status == OrderItemStatusPending
|
|
}
|