113 lines
5.1 KiB
Go
113 lines
5.1 KiB
Go
package entities
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import (
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"time"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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type InventoryMovementType string
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const (
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InventoryMovementTypeSale InventoryMovementType = "sale"
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InventoryMovementTypePurchase InventoryMovementType = "purchase"
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InventoryMovementTypeAdjustment InventoryMovementType = "adjustment"
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InventoryMovementTypeReturn InventoryMovementType = "return"
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InventoryMovementTypeRefund InventoryMovementType = "refund"
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InventoryMovementTypeVoid InventoryMovementType = "void"
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InventoryMovementTypeTransferIn InventoryMovementType = "transfer_in"
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InventoryMovementTypeTransferOut InventoryMovementType = "transfer_out"
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InventoryMovementTypeDamage InventoryMovementType = "damage"
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InventoryMovementTypeExpiry InventoryMovementType = "expiry"
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)
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type InventoryMovementReferenceType string
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const (
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InventoryMovementReferenceTypeOrder InventoryMovementReferenceType = "order"
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InventoryMovementReferenceTypePayment InventoryMovementReferenceType = "payment"
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InventoryMovementReferenceTypeRefund InventoryMovementReferenceType = "refund"
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InventoryMovementReferenceTypeVoid InventoryMovementReferenceType = "void"
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InventoryMovementReferenceTypeManual InventoryMovementReferenceType = "manual"
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InventoryMovementReferenceTypeTransfer InventoryMovementReferenceType = "transfer"
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InventoryMovementReferenceTypePurchaseOrder InventoryMovementReferenceType = "purchase_order"
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)
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type InventoryMovement struct {
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ID uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
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OrganizationID uuid.UUID `gorm:"type:uuid;not null;index" json:"organization_id" validate:"required"`
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OutletID uuid.UUID `gorm:"type:uuid;not null;index" json:"outlet_id" validate:"required"`
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ItemID uuid.UUID `gorm:"type:uuid;not null;index" json:"item_id" validate:"required"`
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ItemType string `gorm:"not null;size:20" json:"item_type" validate:"required"` // "PRODUCT" or "INGREDIENT"
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MovementType InventoryMovementType `gorm:"not null;size:50" json:"movement_type" validate:"required"`
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Quantity float64 `gorm:"type:decimal(12,3);not null" json:"quantity" validate:"required"`
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PreviousQuantity float64 `gorm:"type:decimal(12,3)" json:"previous_quantity"`
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NewQuantity float64 `gorm:"type:decimal(12,3)" json:"new_quantity"`
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UnitCost float64 `gorm:"type:decimal(12,2);default:0.00" json:"unit_cost"`
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TotalCost float64 `gorm:"type:decimal(12,2);default:0.00" json:"total_cost"`
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ReferenceType *InventoryMovementReferenceType `gorm:"size:50" json:"reference_type"`
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ReferenceID *uuid.UUID `gorm:"type:uuid;index" json:"reference_id"`
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OrderID *uuid.UUID `gorm:"type:uuid;index" json:"order_id"`
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PaymentID *uuid.UUID `gorm:"type:uuid;index" json:"payment_id"`
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UserID uuid.UUID `gorm:"type:uuid;not null;index" json:"user_id" validate:"required"`
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Reason *string `gorm:"size:255" json:"reason"`
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Notes *string `gorm:"type:text" json:"notes"`
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Metadata Metadata `gorm:"type:jsonb;default:'{}'" json:"metadata"`
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CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
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Organization Organization `gorm:"foreignKey:OrganizationID" json:"organization,omitempty"`
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Outlet Outlet `gorm:"foreignKey:OutletID" json:"outlet,omitempty"`
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Product *Product `gorm:"foreignKey:ItemID" json:"product,omitempty"`
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Ingredient *Ingredient `gorm:"foreignKey:ItemID" json:"ingredient,omitempty"`
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Order *Order `gorm:"foreignKey:OrderID" json:"order,omitempty"`
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Payment *Payment `gorm:"foreignKey:PaymentID" json:"payment,omitempty"`
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User User `gorm:"foreignKey:UserID" json:"user,omitempty"`
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}
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func (im *InventoryMovement) BeforeCreate(tx *gorm.DB) error {
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if im.ID == uuid.Nil {
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im.ID = uuid.New()
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}
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return nil
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}
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func (InventoryMovement) TableName() string {
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return "inventory_movements"
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}
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func (im *InventoryMovement) IsPositiveMovement() bool {
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return im.Quantity > 0
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}
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func (im *InventoryMovement) IsNegativeMovement() bool {
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return im.Quantity < 0
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}
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func (im *InventoryMovement) GetMovementDescription() string {
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switch im.MovementType {
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case InventoryMovementTypeSale:
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return "Sale"
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case InventoryMovementTypePurchase:
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return "Purchase"
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case InventoryMovementTypeAdjustment:
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return "Manual Adjustment"
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case InventoryMovementTypeReturn:
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return "Return"
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case InventoryMovementTypeRefund:
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return "Refund"
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case InventoryMovementTypeVoid:
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return "Void"
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case InventoryMovementTypeTransferIn:
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return "Transfer In"
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case InventoryMovementTypeTransferOut:
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return "Transfer Out"
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case InventoryMovementTypeDamage:
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return "Damage"
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case InventoryMovementTypeExpiry:
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return "Expiry"
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default:
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return "Unknown"
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}
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}
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