major refactoring of the api

simpleapi/simpleapi.go

@@ -0,0 +1,52 @@
+package simpleapi
+
+import (
+	"github.com/gorilla/mux"
+	"mime"
+	"net/http"
+	"path"
+)
+
+func JSONHendler(handler http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, request *http.Request) {
+		w.Header().Add("Content-Type", mime.TypeByExtension(".json"))
+		handler(w, request)
+	}
+}
+
+type Endpoint struct {
+	Pattern     string
+	Description string
+	Method      string
+	HandlerFunc http.HandlerFunc
+}
+
+type SimpleApi struct {
+	apiEndpoints []*Endpoint
+	router       *mux.Router
+	prefix       string
+}
+
+func New(prefix string, apiEndpoints ...*Endpoint) *SimpleApi {
+	api := &SimpleApi{apiEndpoints, nil, prefix}
+	api.initRouter()
+	return api
+}
+
+func (api *SimpleApi) initRouter() {
+	api.router = mux.NewRouter()
+	for _, apiEndpoint := range api.apiEndpoints {
+		api.router.Path(path.Join(api.prefix, apiEndpoint.Pattern)).
+			Methods(apiEndpoint.Method).
+			HandlerFunc(JSONHendler(apiEndpoint.HandlerFunc))
+	}
+}
+
+func (api *SimpleApi) Set404Handler(handler http.HandlerFunc) {
+	api.router.NotFoundHandler = http.HandlerFunc(handler)
+
+}
+
+func (api *SimpleApi) ServeHTTP(w http.ResponseWriter, request *http.Request) {
+	api.router.ServeHTTP(w, request)
+}