feat: add logout

controller/auth.go

@@ -8,6 +8,7 @@ import (
 	"github.com/labstack/echo/v4"
 
 	"github.com/bacchus-snu/sgs/pkg/auth"
+	"github.com/bacchus-snu/sgs/view"
 )
 
 // middlewareAuth adds the user to the context if they are authenticated.
@@ -104,3 +105,13 @@ func handleAuthCallback(
 		return c.Redirect(http.StatusSeeOther, c.Echo().Reverse("auth"))
 	}
 }
+
+func handleAuthLogout() echo.HandlerFunc {
+	return func(c echo.Context) error {
+		sess, _ := session.Get("session", c)
+		delete(sess.Values, "user")
+		sess.Save(c.Request(), c.Response())
+
+		return c.Render(http.StatusOK, "", view.PageLogout())
+	}
+}

controller/routes.go

@@ -103,7 +103,6 @@ func AddRoutes(
 		middleware.Secure(),
 		middleware.Gzip(),
 
-		// TODO: session
 		session.Middleware(stor),
 		middlewareAuth(),
 	)
@@ -116,6 +115,7 @@ func AddRoutes(
 
 	e.GET("/auth", handleAuth(authSvc)).Name = "auth"
 	e.GET("/auth/callback", handleAuthCallback(authSvc))
+	e.GET("/auth/logout", handleAuthLogout())
 
 	requireAuth := middlewareAuthenticated()
 

view/view.templ

@@ -20,6 +20,9 @@ templ page(title string) {
 					<a class={ classButtonBase, "text-lg", "ml-auto", "hover:text-gray-500" } href="https://sgs-docs.snucse.org">
 						Docs
 					</a>
+					<a class={ classButtonBase, "text-lg", "ml-auto", "hover:text-gray-500" } href="/auth/logout">
+						Log out
+					</a>
 					<a class={ classButtonPrimary, "ml-4" } href="/request">
 						Workspace request
 					</a>
@@ -38,3 +41,10 @@ templ page(title string) {
 		</footer>
 	</html>
 }
+
+templ PageLogout() {
+	@page("Log out") {
+		<h1 class="mb-4 text-xl font-bold">Log out</h1>
+		<p>You have been logged out successfully.</p>
+	}
+}