Feat(BE-36,37,38,39): finish master data management api

internal/modules/constants/controllers/constant.controller.go

@@ -0,0 +1,25 @@
+package controller
+
+import (
+	service "gitlab.com/mbugroup/lti-api.git/internal/modules/constants/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type ConstantController struct {
+	ConstantService service.ConstantService
+}
+
+func NewConstantController(constantService service.ConstantService) *ConstantController {
+	return &ConstantController{
+		ConstantService: constantService,
+	}
+}
+
+func (ctrl *ConstantController) GetAll(c *fiber.Ctx) error {
+	data, err := ctrl.ConstantService.GetAll(c)
+	if err != nil {
+		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
+	}
+	return c.Status(fiber.StatusOK).JSON(data)
+}