Re-implemented demo button

backend/cmd/main.go

@@ -36,6 +36,10 @@ func main() {
 	// Register our handlers
 	server.Post("/api/register", gs.Register)
 
+	// Register handlers for example button count
+	server.Get("/api/button", gs.GetButtonCount)
+	server.Post("/api/button", gs.IncrementButtonCount)
+
 	// Announce the port we are listening on and start the server
 	err = server.Listen(fmt.Sprintf(":%d", conf.Port))
 	if err != nil {

backend/internal/handlers/global_state.go

@@ -10,16 +10,19 @@ import (
 // The actual interface that we will use
 type GlobalState interface {
 	Register(c *fiber.Ctx) error
+	GetButtonCount(c *fiber.Ctx) error
+	IncrementButtonCount(c *fiber.Ctx) error
 }
 
 // "Constructor"
 func NewGlobalState(db database.Database) GlobalState {
-	return &GState{Db: db}
+	return &GState{Db: db, ButtonCount: 0}
 }
 
 // The global state, which implements all the handlers
 type GState struct {
 	Db          database.Database
+	ButtonCount int
 }
 
 func (gs *GState) Register(c *fiber.Ctx) error {
@@ -34,3 +37,12 @@ func (gs *GState) Register(c *fiber.Ctx) error {
 
 	return c.Status(200).SendString("User added")
 }
+
+func (gs *GState) GetButtonCount(c *fiber.Ctx) error {
+	return c.Status(200).JSON(fiber.Map{"pressCount": gs.ButtonCount})
+}
+
+func (gs *GState) IncrementButtonCount(c *fiber.Ctx) error {
+	gs.ButtonCount++
+	return c.Status(200).JSON(fiber.Map{"pressCount": gs.ButtonCount})
+}