refactor: simplify middleware, controller and service init

internal/middleware/context_middleware.go

@@ -56,10 +56,6 @@ func NewContextMiddleware(
 	}
 }
 
-func (m *ContextMiddleware) Init() error {
-	return nil
-}
-
 func (m *ContextMiddleware) Middleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		if m.isIgnorePath(c.Request.Method + " " + c.Request.URL.Path) {
@@ -82,7 +78,7 @@ func (m *ContextMiddleware) Middleware() gin.HandlerFunc {
 				c.Next()
 				return
 			} else {
-				m.log.App.Error().Msgf("Error authenticating session cookie: %v", err)
+				m.log.App.Debug().Msgf("Error authenticating session cookie: %v", err)
 			}
 		}
 

internal/middleware/ui_middleware.go

@@ -18,21 +18,19 @@ type UIMiddleware struct {
 	uiFileServer http.Handler
 }
 
-func NewUIMiddleware() *UIMiddleware {
-	return &UIMiddleware{}
-}
+func NewUIMiddleware() (*UIMiddleware, error) {
+	m := &UIMiddleware{}
 
-func (m *UIMiddleware) Init() error {
 	ui, err := fs.Sub(assets.FrontendAssets, "dist")
 
 	if err != nil {
-		return err
+		return nil, fmt.Errorf("failed to load ui assets: %w", err)
 	}
 
 	m.uiFs = ui
 	m.uiFileServer = http.FileServerFS(ui)
 
-	return nil
+	return m, nil
 }
 
 func (m *UIMiddleware) Middleware() gin.HandlerFunc {

internal/middleware/zerolog_middleware.go

@@ -27,10 +27,6 @@ func NewZerologMiddleware(log *logger.Logger) *ZerologMiddleware {
 	}
 }
 
-func (m *ZerologMiddleware) Init() error {
-	return nil
-}
-
 func (m *ZerologMiddleware) logPath(path string) bool {
 	for _, prefix := range loggerSkipPathsPrefix {
 		if strings.HasPrefix(path, prefix) {