Potion/internal/app/server/authentication.go
2025-11-15 23:56:10 -07:00

40 lines
1.1 KiB
Go

package server
import (
"net/http"
"github.com/gin-gonic/gin"
domain "github.com/haydenhargreaves/Potion/internal/domain/user"
)
// AuthenticatedFunc is a function that handles authenticated requests
type AuthenticatedFunc func(ctx *gin.Context, user *domain.User)
// withAuthenticatedUser is a helper to run a handler only if user is authenticated. Otherwise
// the function will return an error with a 401 status.
func (s *Server) withAuthenticatedUser(ctx *gin.Context, handler AuthenticatedFunc) {
user := s.deps.UserService.GetAuthenicatedUser(ctx)
if user == nil {
ctx.JSON(http.StatusUnauthorized, gin.H{
"status": http.StatusUnauthorized,
"message": "[UNAUTHORIZED] Could not fetch authenticated user.",
})
return
}
handler(ctx, user)
}
// getUserId retrieves the userId from the context and returns a pointer to it. A nil
// pointer can be returned and will if the userId does not exist.
func getUserId(ctx *gin.Context) *int {
userIdAny, exists := ctx.Get("userId")
if !exists {
return nil
}
userIdInt, ok := userIdAny.(int)
if !ok {
return nil
}
return &userIdInt
}