add tysc handlers to kontor-gin

kontor-gin/internal/handlers/auth.go

@@ -1,23 +1,128 @@
 package handlers
 
 import (
+	"kontor-api-gin/internal/globals"
 	"kontor-api-gin/internal/helpers"
+	"kontor-api-gin/internal/models"
 	"kontor-api-gin/internal/service"
 	"net/http"
 
+	"github.com/gin-contrib/sessions"
 	"github.com/gin-contrib/slog"
 	"github.com/gin-gonic/gin"
 )
 
 type AuthHandler struct {
 	Service *service.AuthService
+	Secret  []byte
 }
 
 func (handler *AuthHandler) Login(c *gin.Context) {
-	token, err := helpers.GenerateToken("bla")
+	var input models.LoginInput
+
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	proile_id, err := handler.Service.LoginCheck(input.Email, input.Password)
+
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "username or password is incorrect."})
+		return
+	}
+
+	token, err := helpers.GenerateToken(proile_id)
 	logger := slog.Get(c)
 	if err != nil {
 		logger.Info("Login", "GenerateToken error", err.Error())
 	}
 	c.JSON(http.StatusOK, gin.H{"token": token})
 }
+
+func (handler *AuthHandler) LoginPage(c *gin.Context) {
+	session := sessions.Default(c)
+	user := session.Get(globals.UserKey)
+	logger := slog.Get(c)
+	logger.Info("LoginPage", globals.UserKey, user)
+	if user != nil {
+		c.HTML(http.StatusBadRequest, "login", gin.H{
+			"title":   "Kontor Gin",
+			"version": "0.4.0",
+			"message": "Please logout first",
+			"user":    user,
+		})
+		return
+	}
+	c.HTML(http.StatusOK, "login", gin.H{
+		"title":   "Kontor Gin",
+		"version": "0.4.0",
+		"message": "",
+		"user":    user,
+	})
+}
+
+func (handler *AuthHandler) LoginPost(c *gin.Context) {
+	session := sessions.Default(c)
+	user := session.Get(globals.UserKey)
+	logger := slog.Get(c)
+	logger.Info("LoginPost", "user", user)
+	if user != nil {
+		c.HTML(http.StatusBadRequest, "login", gin.H{
+			"title":   "Kontor Gin",
+			"version": "0.4.0",
+			"message": "Please logout first",
+		})
+		return
+	}
+
+	username := c.PostForm("username")
+	password := c.PostForm("password")
+
+	if helpers.EmptyUserPass(username, password) {
+		c.HTML(http.StatusBadRequest, "login", gin.H{
+			"title":   "Kontor Gin",
+			"version": "0.4.0",
+			"message": "Parameters can't be empty",
+		})
+	}
+
+	proile_id, err := handler.Service.LoginCheck(username, password)
+	if err != nil {
+		c.HTML(http.StatusUnauthorized, "login", gin.H{
+			"title":   "Kontor Gin",
+			"version": "0.4.0",
+			"message": "Incorrect username or password",
+		})
+	}
+
+	session.Set(globals.UserKey, proile_id)
+	if err := session.Save(); err != nil {
+		c.HTML(http.StatusInternalServerError, "login", gin.H{
+			"title":   "Kontor Gin",
+			"version": "0.4.0",
+			"message": "Failed to save session",
+		})
+		return
+	}
+	logger.Info("LoginPost: redirect to index")
+	c.Redirect(http.StatusMovedPermanently, "/")
+}
+
+func (handler *AuthHandler) LogoutPage(c *gin.Context) {
+	session := sessions.Default(c)
+	user := session.Get(globals.UserKey)
+	logger := slog.Get(c)
+	logger.Info("LogoutPage", globals.UserKey, user)
+	if user == nil {
+		logger.Info("Invalid session token")
+		return
+	}
+	session.Delete(globals.UserKey)
+	if err := session.Save(); err != nil {
+		logger.Info("Failed to save session", "error", err)
+		return
+	}
+	logger.Info("LogoutPage: redirect to index page")
+	c.Redirect(http.StatusMovedPermanently, "/")
+}