Initial

internal/app/handler.go

@@ -0,0 +1,58 @@
+package app
+
+import (
+	"context"
+	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
+	"merch-parser-api/internal/interfaces"
+	"net/http"
+	"time"
+)
+
+type App struct {
+	address       string
+	routerHandler interfaces.Router
+	router        *gin.Engine
+}
+
+type Deps struct {
+	Host   string
+	Port   string
+	Router interfaces.Router
+}
+
+func NewApp(deps Deps) *App {
+	app := &App{
+		address:       deps.Host + ":" + deps.Port,
+		routerHandler: deps.Router,
+	}
+
+	app.router = app.routerHandler.Set()
+
+	return app
+}
+
+func (a *App) Run(ctx context.Context) error {
+	server := &http.Server{
+		Addr:    a.address,
+		Handler: a.router,
+	}
+
+	serverErr := make(chan error, 1)
+
+	go func() {
+		log.Info("Starting server on: ", a.address)
+		serverErr <- server.ListenAndServe()
+	}()
+
+	select {
+	case <-ctx.Done():
+		log.Info("Shutting down server")
+		shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		defer cancel()
+		return server.Shutdown(shutdownCtx)
+
+	case err := <-serverErr:
+		return err
+	}
+}

internal/interfaces/router.go

@@ -0,0 +1,7 @@
+package interfaces
+
+import "github.com/gin-gonic/gin"
+
+type Router interface {
+	Set() *gin.Engine
+}

internal/router/handler.go

@@ -0,0 +1,48 @@
+package router
+
+import (
+	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
+	"merch-parser-api/internal/interfaces"
+	"net/http"
+)
+
+type router struct {
+	apiPrefix string
+	engine    *gin.Engine
+	ginMode   string
+}
+
+type Deps struct {
+	ApiPrefix string
+	GinMode   string
+}
+
+func NewRouter(deps Deps) interfaces.Router {
+	engine := gin.Default()
+
+	if deps.GinMode == "release" {
+		gin.SetMode(gin.ReleaseMode)
+		err := engine.SetTrustedProxies([]string{"172.20.0.0/16"})
+		if err != nil {
+			log.WithError(err).Error("Router | Set proxies failed")
+			return nil
+		}
+	}
+
+	return &router{
+		apiPrefix: deps.ApiPrefix,
+		engine:    engine,
+	}
+}
+
+func (r *router) Set() *gin.Engine {
+	r.engine.NoRoute(func(c *gin.Context) {
+		c.Status(http.StatusForbidden)
+	})
+
+	//version
+	r.engine.GET("/version", func(c *gin.Context) { c.JSON(200, gin.H{"version": "2.0.0-alpha"}) })
+
+	return r.engine
+}