Imported github.com/ardanlabs/service as base example project

example-project/internal/platform/web/middleware.go

@@ -0,0 +1,24 @@
+package web
+
+// Middleware is a function designed to run some code before and/or after
+// another Handler. It is designed to remove boilerplate or other concerns not
+// direct to any given Handler.
+type Middleware func(Handler) Handler
+
+// wrapMiddleware creates a new handler by wrapping middleware around a final
+// handler. The middlewares' Handlers will be executed by requests in the order
+// they are provided.
+func wrapMiddleware(mw []Middleware, handler Handler) Handler {
+
+	// Loop backwards through the middleware invoking each one. Replace the
+	// handler with the new wrapped handler. Looping backwards ensures that the
+	// first middleware of the slice is the first to be executed by requests.
+	for i := len(mw) - 1; i >= 0; i-- {
+		h := mw[i]
+		if h != nil {
+			handler = h(handler)
+		}
+	}
+
+	return handler
+}