From c00b690bd6f600554a1404e692bd9e4373325d27 Mon Sep 17 00:00:00 2001
From: Leonardo Bishop <me@leonardobishop.com>
Date: Fri, 17 Jan 2025 13:21:24 +0000
Subject: Initial commit

---
 api/handlers/users.go | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 api/handlers/users.go

(limited to 'api/handlers/users.go')

diff --git a/api/handlers/users.go b/api/handlers/users.go
new file mode 100644
index 0000000..deda9ca
--- /dev/null
+++ b/api/handlers/users.go
@@ -0,0 +1,112 @@
+package handlers
+
+import (
+	"errors"
+	"time"
+
+	"github.com/LMBishop/confplanner/api/dto"
+	"github.com/LMBishop/confplanner/pkg/user"
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/session"
+)
+
+func Register(service user.Service) fiber.Handler {
+	return func(c *fiber.Ctx) error {
+		var request dto.RegisterRequest
+		if err := readBody(c, &request); err != nil {
+			return err
+		}
+
+		createdUser, err := service.CreateUser(request.Username, request.Password)
+		if err != nil {
+			if errors.Is(err, user.ErrUserExists) {
+				return &dto.ErrorResponse{
+					Code:    fiber.StatusConflict,
+					Message: "User with that username already exists",
+				}
+			} else if errors.Is(err, user.ErrNotAcceptingRegistrations) {
+				return &dto.ErrorResponse{
+					Code:    fiber.StatusForbidden,
+					Message: "This service is not currently accepting registrations",
+				}
+			}
+
+			return err
+		}
+
+		return &dto.OkResponse{
+			Code: fiber.StatusCreated,
+			Data: &dto.RegisterResponse{
+				ID: createdUser.ID,
+			},
+		}
+	}
+}
+
+func Login(service user.Service, store *session.Store) fiber.Handler {
+	return func(c *fiber.Ctx) error {
+		var request dto.LoginRequest
+		if err := readBody(c, &request); err != nil {
+			return err
+		}
+
+		user, err := service.Authenticate(request.Username, request.Password)
+		if err != nil {
+			return err
+		}
+
+		if user == nil {
+			return &dto.ErrorResponse{
+				Code:    fiber.StatusBadRequest,
+				Message: "Username and password combination not found",
+			}
+		}
+
+		s, err := store.Get(c)
+		if err != nil {
+			return err
+		}
+
+		if s.Fresh() {
+			uid := user.ID
+			sid := s.ID()
+
+			s.Set("uid", uid)
+			s.Set("sid", sid)
+			s.Set("ip", c.Context().RemoteIP().String())
+			s.Set("login", time.Unix(time.Now().Unix(), 0).UTC().String())
+			s.Set("ua", string(c.Request().Header.UserAgent()))
+
+			err = s.Save()
+			if err != nil {
+				return err
+			}
+		}
+
+		return &dto.OkResponse{
+			Code: fiber.StatusOK,
+			Data: &dto.LoginResponse{
+				ID:       user.ID,
+				Username: user.Username,
+			},
+		}
+	}
+}
+
+func Logout(store *session.Store) fiber.Handler {
+	return func(c *fiber.Ctx) error {
+		s, err := store.Get(c)
+		if err != nil {
+			return err
+		}
+
+		err = s.Destroy()
+		if err != nil {
+			return err
+		}
+
+		return &dto.OkResponse{
+			Code: fiber.StatusNoContent,
+		}
+	}
+}
-- 
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