OK, my dream-idea is implemented. TODO: Some examples and doc.go is not updated yet, comments on the mvc/di subpackage, the tutorial/vuejs-todo-mvc is running but not finished yet (it's using browser's localstorage and it should be replaced by the http requests that are registered via iris mvc

Former-commit-id: 0ea7e01ce1d78bcb78b40f3b0f5c03ad7c9abaea

mvc/session_controller.go

@@ -0,0 +1,43 @@
+package mvc
+
+import (
+	"github.com/kataras/iris/context"
+	"github.com/kataras/iris/sessions"
+)
+
+var defaultSessionManager = sessions.New(sessions.Config{})
+
+// SessionController is a simple `Controller` implementation
+// which requires a binded session manager in order to give
+// direct access to the current client's session via its `Session` field.
+type SessionController struct {
+	Manager *sessions.Sessions
+	Session *sessions.Session
+}
+
+// BeforeActivate called, once per application lifecycle NOT request,
+// every single time the dev registers a specific SessionController-based controller.
+// It makes sure that its "Manager" field is filled
+// even if the caller didn't provide any sessions manager via the `app.Controller` function.
+func (s *SessionController) BeforeActivate(ca *ControllerActivator) {
+	if didntBindManually := ca.Dependencies.AddOnce(defaultSessionManager); didntBindManually {
+		ca.Router.GetReporter().Add(
+			`MVC SessionController: couldn't find any "*sessions.Sessions" bindable value to fill the "Manager" field, 
+			therefore this controller is using the default sessions manager instead.
+			Please refer to the documentation to learn how you can provide the session manager`)
+	}
+}
+
+// BeginRequest initializes the current user's Session.
+func (s *SessionController) BeginRequest(ctx context.Context) {
+	if s.Manager == nil {
+		ctx.Application().Logger().Errorf(`MVC SessionController: sessions manager is nil, report this as a bug 
+because the SessionController should predict this on its activation state and use a default one automatically`)
+		return
+	}
+
+	s.Session = s.Manager.Start(ctx)
+}
+
+// EndRequest is here to complete the `BaseController`.
+func (s *SessionController) EndRequest(ctx context.Context) {}