major refactoring of the api

api/util.go

@@ -0,0 +1,39 @@
+package api
+
+import (
+	"fmt"
+	"github.com/didiercrunch/doormanserver/doormen"
+	"github.com/gorilla/mux"
+	"gopkg.in/mgo.v2/bson"
+	"log"
+	"net/http"
+)
+
+func getDoormenIdsAsJson(id *doormen.DoormanId) string {
+	return fmt.Sprintf(`{"name": "%v", "id": "%v", "url": "/api/doormen/%v"}`, id.Name, id.Id.Hex(), id.Id.Hex())
+}
+
+func getDoormanIdFromRequest(w http.ResponseWriter, request *http.Request) bson.ObjectId {
+	id := mux.Vars(request)["id"]
+	if !bson.IsObjectIdHex(id) {
+		return ""
+	} else {
+		return bson.ObjectIdHex(id)
+	}
+}
+
+func Write500Error(w http.ResponseWriter, err error) {
+	w.WriteHeader(500)
+	fmt.Fprint(w, "server error")
+	log.Println(err)
+}
+
+func Write404Error(w http.ResponseWriter) {
+	w.WriteHeader(404)
+	fmt.Fprint(w, "url not found")
+}
+
+func Write400Error(w http.ResponseWriter, err error) {
+	w.WriteHeader(400)
+	fmt.Fprint(w, err.Error())
+}