Cleaning up examples in main and splitting the code into suitable packages

backend/internal/handlers/global_state.go

@@ -0,0 +1,36 @@
+package handlers
+
+import (
+	"ttime/internal/database"
+	"ttime/internal/types"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+// The actual interface that we will use
+type GlobalState interface {
+	Register(c *fiber.Ctx) error
+}
+
+// "Constructor"
+func NewGlobalState(db database.Database) GlobalState {
+	return &GState{Db: db}
+}
+
+// The global state, which implements all the handlers
+type GState struct {
+	Db database.Database
+}
+
+func (gs *GState) Register(c *fiber.Ctx) error {
+	u := new(types.User)
+	if err := c.BodyParser(u); err != nil {
+		return c.Status(400).SendString(err.Error())
+	}
+
+	if err := gs.Db.AddUser(u.Username, u.Password); err != nil {
+		return c.Status(500).SendString(err.Error())
+	}
+
+	return c.Status(200).SendString("User added")
+}

backend/internal/handlers/global_state_test.go

@@ -0,0 +1,15 @@
+package handlers
+
+import (
+	"testing"
+	"ttime/internal/database"
+)
+
+// The actual interface that we will use
+func TestGlobalState(t *testing.T) {
+	db := database.DbConnect(":memory:")
+	gs := NewGlobalState(db)
+	if gs == nil {
+		t.Error("NewGlobalState returned nil")
+	}
+}