43 lines
1.1 KiB
Go
43 lines
1.1 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 Inventory struct {
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ID uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
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OutletID uuid.UUID `gorm:"type:uuid;not null;index" json:"outlet_id" validate:"required"`
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ProductID uuid.UUID `gorm:"type:uuid;not null;index" json:"product_id" validate:"required"`
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Quantity int `gorm:"not null;default:0" json:"quantity" validate:"min=0"`
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ReorderLevel int `gorm:"default:0" json:"reorder_level" validate:"min=0"`
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UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
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Outlet Outlet `gorm:"foreignKey:OutletID" json:"outlet,omitempty"`
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Product Product `gorm:"foreignKey:ProductID" json:"product,omitempty"`
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}
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func (i *Inventory) BeforeCreate(tx *gorm.DB) error {
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if i.ID == uuid.Nil {
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i.ID = uuid.New()
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}
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return nil
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}
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func (Inventory) TableName() string {
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return "inventory"
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}
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func (i *Inventory) IsLowStock() bool {
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return i.Quantity <= i.ReorderLevel
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}
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func (i *Inventory) UpdateQuantity(delta int) {
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i.Quantity += delta
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if i.Quantity < 0 {
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i.Quantity = 0
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}
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}
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