initial commit

1 files changed, 37 insertions, 0 deletions

diff --git a/src/server/spa.go b/src/server/spa.go
new file mode 100644
index 0000000..1dd1e96
--- /dev/null
+++ b/src/server/spa.go
@@ -0,0 +1,37 @@
+package main
+
+import (
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+// https://github.com/gorilla/mux#serving-single-page-applications
+type spaHandler struct {
+	staticPath string
+}
+
+func (h spaHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
+	path, err := filepath.Abs(request.URL.Path)
+	if err != nil {
+		http.Error(writer, err.Error(), http.StatusBadRequest)
+	}
+
+	path = filepath.Join(h.staticPath, path)
+	if _, err = os.Stat(path); os.IsNotExist(err) {
+
+		serve_path := filepath.Base(path)
+		if len(filepath.Ext(path)) == 0 {
+			serve_path = "index.html"
+		}
+		serve_path = filepath.Join(h.staticPath, serve_path)
+
+		http.ServeFile(writer, request, serve_path)
+		return
+	} else if err != nil {
+		http.Error(writer, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	http.FileServer(http.Dir(h.staticPath)).ServeHTTP(writer, request)
+}