major refactoring of the api

api/updatedoorman.go

@@ -0,0 +1,47 @@
+package api
+
+import (
+	"encoding/json"
+	"github.com/didiercrunch/doormanserver/doormen"
+	"net/http"
+)
+
+func UpdateDoorman(w http.ResponseWriter, request *http.Request) {
+	id := getDoormanIdFromRequest(w, request)
+	if id == "" || !conn.ExistsId(id) {
+		Write404Error(w)
+		return
+	}
+
+	wdef := new(doormen.DoormanDefinition)
+	defer request.Body.Close()
+	decoder := json.NewDecoder(request.Body)
+	if err := decoder.Decode(wdef); err != nil {
+		Write400Error(w, err)
+		return
+	}
+	wdef.Id = id
+
+	if err := wdef.Validate(); err != nil {
+		Write400Error(w, err)
+		return
+	}
+
+	originalDoorman, err := conn.GetDoorman(id)
+	if err != nil {
+		Write500Error(w, err)
+		return
+	}
+	if err := originalDoorman.CanBeUpdatedBy(wdef); err != nil {
+		Write400Error(w, err)
+		return
+	}
+
+	if err := UpdateDoormanInDatabase(wdef); err != nil {
+		Write500Error(w, err)
+		return
+	}
+	go publisher.Emit(wdef.Id, wdef)
+	w.WriteHeader(200)
+
+}