refactor: rework file structure (#325)

* wip: add middlewares

* refactor: use context fom middleware in handlers

* refactor: use controller approach in handlers

* refactor: move oauth providers into services (non-working)

* feat: create oauth broker service

* refactor: use a boostrap service to bootstrap the app

* refactor: split utils into smaller files

* refactor: use more clear name for frontend assets

* feat: allow customizability of resources dir

* fix: fix typo in ui middleware

* fix: validate resource file paths in ui middleware

* refactor: move resource handling to a controller

* feat: add some logging

* fix: configure middlewares before groups

* fix: use correct api path in login mutation

* fix: coderabbit suggestions

* fix: further coderabbit suggestions

internal/controller/resources_controller.go

@@ -0,0 +1,42 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+type ResourcesControllerConfig struct {
+	ResourcesDir string
+}
+
+type ResourcesController struct {
+	Config     ResourcesControllerConfig
+	Router     *gin.RouterGroup
+	FileServer http.Handler
+}
+
+func NewResourcesController(config ResourcesControllerConfig, router *gin.RouterGroup) *ResourcesController {
+	fileServer := http.StripPrefix("/resources", http.FileServer(http.Dir(config.ResourcesDir)))
+
+	return &ResourcesController{
+		Config:     config,
+		Router:     router,
+		FileServer: fileServer,
+	}
+}
+
+func (controller *ResourcesController) SetupRoutes() {
+	controller.Router.GET("/resources/*resource", controller.resourcesHandler)
+}
+
+func (controller *ResourcesController) resourcesHandler(c *gin.Context) {
+	if controller.Config.ResourcesDir == "" {
+		c.JSON(404, gin.H{
+			"status":  404,
+			"message": "Resources not found",
+		})
+		return
+	}
+	controller.FileServer.ServeHTTP(c.Writer, c.Request)
+}