Version 3 starter

backend/internal/api/middleware/pretty_print.go

@@ -0,0 +1,23 @@
+package middleware
+
+import (
+	"context"
+	"net/http"
+
+	c "npm/internal/api/context"
+)
+
+// PrettyPrint will determine whether the request should be pretty printed in output
+// with ?pretty=1 or ?pretty=true
+func PrettyPrint(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		prettyStr := r.URL.Query().Get("pretty")
+		if prettyStr == "1" || prettyStr == "true" {
+			ctx := r.Context()
+			ctx = context.WithValue(ctx, c.PrettyPrintCtxKey, true)
+			next.ServeHTTP(w, r.WithContext(ctx))
+		} else {
+			next.ServeHTTP(w, r)
+		}
+	})
+}