Restructure project

internal/router/middleware.go

@@ -0,0 +1,13 @@
+package router
+
+import (
+	"github.com/labstack/echo/v4"
+)
+
+func authHeader(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		c.Response().Header().Set("Remote-Groups", c.Request().Header.Get("Remote-Groups"))
+		c.Response().Header().Set("Remote-Name", c.Request().Header.Get("Remote-Name"))
+		return next(c)
+	}
+}

internal/router/router.go

@@ -0,0 +1,94 @@
+package router
+
+import (
+	"net/http"
+	"net/url"
+	"strings"
+
+	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
+	echoSwagger "github.com/swaggo/echo-swagger"
+	"gitlab.unjx.de/flohoss/cafe-plaetschwiesle/docs"
+	"gitlab.unjx.de/flohoss/cafe-plaetschwiesle/internal/controller"
+	"gitlab.unjx.de/flohoss/cafe-plaetschwiesle/internal/env"
+	"go.uber.org/zap"
+)
+
+func InitRouter() *echo.Echo {
+	e := echo.New()
+
+	e.HideBanner = true
+	e.HidePort = true
+
+	e.Use(middleware.Recover())
+	e.Use(middleware.GzipWithConfig(middleware.GzipConfig{
+		Skipper: func(c echo.Context) bool {
+			return strings.Contains(c.Request().URL.Path, "swagger")
+		},
+	}))
+	e.Pre(middleware.RemoveTrailingSlash())
+
+	e.Validator = &CustomValidator{Validator: newValidator()}
+
+	return e
+}
+
+func SetupRoutes(e *echo.Echo, ctrl *controller.Controller, env *env.Config) {
+	api := e.Group("/api")
+	{
+		tableGroup := api.Group("/tables")
+		{
+			tableGroup.GET("", ctrl.GetTables)
+			tableGroup.POST("", ctrl.CreateTable)
+			tableGroup.DELETE("", ctrl.DeleteTable)
+		}
+		orderGroup := api.Group("/orders")
+		{
+			orderGroup.GET("", ctrl.GetOrders)
+			orderGroup.POST("", ctrl.CreateOrder)
+			orderGroup.DELETE("", ctrl.DeleteOrder)
+			orderGroup.PUT("", ctrl.UpdateOrder)
+			orderGroup.GET("/sse", echo.WrapHandler(http.HandlerFunc(ctrl.SSE.ServeHTTP)))
+			orderItemGroup := orderGroup.Group("/items")
+			{
+				orderItemGroup.GET("", ctrl.GetOrderItems)
+				orderItemGroup.POST("", ctrl.CreateOrderItem)
+				orderItemGroup.PUT("", ctrl.UpdateOrderItem)
+				orderItemGroup.DELETE("/:id", ctrl.DeleteOrderItem)
+			}
+		}
+		billGroup := api.Group("/bills")
+		{
+			billGroup.GET("", ctrl.GetBills)
+			billGroup.POST("", ctrl.CreateBill)
+			billGroup.DELETE("/:id", ctrl.DeleteBill)
+			billItemGroup := billGroup.Group("/items")
+			{
+				billItemGroup.GET("", ctrl.GetBillItems)
+			}
+		}
+		userGroup := api.Group("/users")
+		{
+			userGroup.GET("/:username", ctrl.GetUser)
+			userGroup.PUT("", ctrl.UpdateUser)
+		}
+		health := api.Group("/health", authHeader)
+		{
+			health.GET("", func(ctx echo.Context) error {
+				return ctx.String(http.StatusOK, ".")
+			})
+		}
+
+		if env.SwaggerHost != "" {
+			docs.SwaggerInfo.Title = "Cafe"
+			docs.SwaggerInfo.Description = "This is the backend of a cafe"
+			docs.SwaggerInfo.Version = env.Version
+			docs.SwaggerInfo.BasePath = "/api"
+			parsed, _ := url.Parse(env.SwaggerHost)
+			docs.SwaggerInfo.Host = parsed.Host
+
+			api.GET("/swagger/*", echoSwagger.WrapHandler)
+			zap.L().Info("swagger running", zap.String("url", env.SwaggerHost+"/api/swagger/index.html"))
+		}
+	}
+}

internal/router/validate.go

@@ -0,0 +1,17 @@
+package router
+
+import (
+	"github.com/go-playground/validator/v10"
+)
+
+type CustomValidator struct {
+	Validator *validator.Validate
+}
+
+func (cv *CustomValidator) Validate(i interface{}) error {
+	return cv.Validator.Struct(i)
+}
+
+func newValidator() *validator.Validate {
+	return validator.New()
+}