experiment: successfully implemented dependency injections for controllers and services

backend/internal/controllers/service.go

@@ -6,10 +6,18 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-type HealthStatus struct {
-	Healthy bool `json:"healthy"`
+type ServiceController interface {
+	HealthCheck(c *gin.Context)
+	Router
 }
 
+type serviceControllerImpl struct{}
+
+func NewServiceController() ServiceController {
+	return &serviceControllerImpl{}
+}
+
+// HealthCheck implements ServiceController.
 // @Summary Get health status
 // @Description Used internally for checking service health
 // @Tags Service
@@ -17,6 +25,15 @@ type HealthStatus struct {
 // @Produce json
 // @Success 200 {object} HealthStatus "Says whether it's healthy or not"
 // @Router /service/health [get]
-func HealthCheck(c *gin.Context) {
+func (s *serviceControllerImpl) HealthCheck(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"healthy": true})
 }
+
+// RegisterRoutes implements ServiceController.
+func (s *serviceControllerImpl) RegisterRoutes(group *gin.RouterGroup) {
+	group.GET("/health", s.HealthCheck)
+}
+
+type HealthStatus struct {
+	Healthy bool `json:"healthy"`
+}