init

internal/entities/category.go

@@ -0,0 +1,56 @@
+package entities
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type Metadata map[string]interface{}
+
+func (m Metadata) Value() (driver.Value, error) {
+	return json.Marshal(m)
+}
+
+func (m *Metadata) Scan(value interface{}) error {
+	if value == nil {
+		*m = make(Metadata)
+		return nil
+	}
+
+	bytes, ok := value.([]byte)
+	if !ok {
+		return errors.New("type assertion to []byte failed")
+	}
+
+	return json.Unmarshal(bytes, m)
+}
+
+type Category 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"`
+	Name           string    `gorm:"not null;size:255" json:"name" validate:"required,min=1,max=255"`
+	Description    *string   `gorm:"type:text" json:"description"`
+	BusinessType   string    `gorm:"size:50;default:'restaurant'" json:"business_type"`
+	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"`
+	Products     []Product    `gorm:"foreignKey:CategoryID" json:"products,omitempty"`
+}
+
+func (c *Category) BeforeCreate(tx *gorm.DB) error {
+	if c.ID == uuid.Nil {
+		c.ID = uuid.New()
+	}
+	return nil
+}
+
+func (Category) TableName() string {
+	return "categories"
+}