init

internal/entities/user.go

@@ -0,0 +1,94 @@
+package entities
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type UserRole string
+
+const (
+	RoleAdmin   UserRole = "admin"
+	RoleManager UserRole = "manager"
+	RoleCashier UserRole = "cashier"
+	RoleWaiter  UserRole = "waiter"
+)
+
+type Permissions map[string]interface{}
+
+func (p Permissions) Value() (driver.Value, error) {
+	return json.Marshal(p)
+}
+
+func (p *Permissions) Scan(value interface{}) error {
+	if value == nil {
+		*p = make(Permissions)
+		return nil
+	}
+
+	bytes, ok := value.([]byte)
+	if !ok {
+		return errors.New("type assertion to []byte failed")
+	}
+
+	return json.Unmarshal(bytes, p)
+}
+
+type User 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;index" json:"outlet_id"`
+	Name           string       `gorm:"not null;size:255" json:"name" validate:"required,min=1,max=255"`
+	Email          string       `gorm:"uniqueIndex;not null;size:255" json:"email" validate:"required,email"`
+	PasswordHash   string       `gorm:"not null;size:255" json:"-"`
+	Role           UserRole     `gorm:"not null;size:50" json:"role" validate:"required,oneof=admin manager cashier waiter"`
+	Permissions    Permissions  `gorm:"type:jsonb;default:'{}'" json:"permissions"`
+	IsActive       bool         `gorm:"default:true" json:"is_active"`
+	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"`
+	Orders         []Order      `gorm:"foreignKey:UserID" json:"orders,omitempty"`
+}
+
+func (u *User) BeforeCreate(tx *gorm.DB) error {
+	if u.ID == uuid.Nil {
+		u.ID = uuid.New()
+	}
+	return nil
+}
+
+func (User) TableName() string {
+	return "users"
+}
+
+func (u *User) HasPermission(permission string) bool {
+	if u.Role == RoleAdmin {
+		return true
+	}
+
+	if value, exists := u.Permissions[permission]; exists {
+		if hasPermission, ok := value.(bool); ok {
+			return hasPermission
+		}
+	}
+
+	return false
+}
+
+func (u *User) CanAccessOutlet(outletID uuid.UUID) bool {
+	if u.Role == RoleAdmin {
+		return true
+	}
+
+	if u.OutletID != nil && *u.OutletID == outletID {
+		return true
+	}
+
+	return false
+}