separate logout page + redirect

pages/login.go

@@ -138,6 +138,10 @@ func (p *LoginPage) POST(engine *templating.Engine, app core.App) HandleFunc {
 			})
 		}
 
-		return e.Redirect(303, "/reihen")
+		redirect := "/reihen"
+		if r := e.Request.URL.Query().Get("redirectTo"); r != "" {
+			redirect = r
+		}
+		return e.Redirect(303, redirect)
 	}
 }

pages/logout.go

@@ -0,0 +1,52 @@
+package pages
+
+import (
+	"net/http"
+
+	"github.com/Theodor-Springmann-Stiftung/musenalm/app"
+	"github.com/Theodor-Springmann-Stiftung/musenalm/dbmodels"
+	"github.com/Theodor-Springmann-Stiftung/musenalm/pagemodels"
+	"github.com/Theodor-Springmann-Stiftung/musenalm/templating"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tools/router"
+)
+
+func init() {
+	lp := &LogoutPage{
+		StaticPage: pagemodels.StaticPage{
+			Name:     pagemodels.P_LOGOUT_NAME,
+			Layout:   "blank",
+			Template: "/logout/",
+			URL:      "/logout/",
+		},
+	}
+	app.Register(lp)
+}
+
+type LogoutPage struct {
+	pagemodels.StaticPage
+}
+
+func (p *LogoutPage) Setup(router *router.Router[*core.RequestEvent], app core.App, engine *templating.Engine) error {
+	router.GET(p.URL, p.GET())
+	return nil
+}
+
+func (p *LogoutPage) GET() HandleFunc {
+	return func(e *core.RequestEvent) error {
+		// TODO: the function to delete tokens is not yet there
+		// as of right now, the tokens get only deleted from the clients
+		// We need to delete the tokens from the cache + table.
+		e.SetCookie(&http.Cookie{
+			Name:   dbmodels.SESSION_COOKIE_NAME,
+			Path:   "/",
+			MaxAge: -1,
+		})
+		e.Response.Header().Set("Clear-Site-Data", "\"cookies\"")
+		redirect := "/reihen"
+		if r := e.Request.URL.Query().Get("redirectTo"); r != "" {
+			redirect = r
+		}
+		return e.Redirect(303, redirect)
+	}
+}