HEAD and PATCH to create peers and list all items

view/who.go

@@ -32,6 +32,10 @@ func who(g storage.Graph, w http.ResponseWriter, r *http.Request) error {
 		return whoPost(namespace, g, w, r)
 	case http.MethodDelete:
 		return whoDelete(namespace, g, w, r)
+	case http.MethodPatch:
+		return whoPatch(namespace, g, w, r)
+	case http.MethodHead:
+		return whoHead(namespace, g, w, r)
 	default:
 		http.NotFound(w, r)
 		return nil
@@ -150,3 +154,45 @@ func whoDelete(namespace string, g storage.Graph, w http.ResponseWriter, r *http
 
 	return json.NewEncoder(w).Encode(`{"status":"ok"}`)
 }
+
+func whoPatch(namespace string, g storage.Graph, w http.ResponseWriter, r *http.Request) error {
+	id := r.URL.Query().Get("id")
+	if id == "" {
+		http.Error(w, `{"error":"no ?id provided"}`, http.StatusBadRequest)
+		return nil
+	}
+
+	one := entity.One{}
+	if err := json.NewDecoder(r.Body).Decode(&one); err != nil {
+		return err
+	}
+	if one.Name == "" {
+		http.Error(w, `{"error":"no name provided"}`, http.StatusBadRequest)
+		return nil
+	}
+	relationship := one.Relationship
+	one.Relationship = ""
+	if err := g.Insert(r.Context(), namespace, one); err != nil {
+		return err
+	}
+	one.Relationship = relationship
+	if err := g.Update(r.Context(), namespace, entity.One{Name: id}, operator.Set{Key: "connections." + one.Name, Value: one.Peer()}); err != nil {
+		return err
+	}
+
+	return whoGet(namespace, g, w, r)
+}
+
+func whoHead(namespace string, g storage.Graph, w http.ResponseWriter, r *http.Request) error {
+	ones, err := g.List(r.Context(), namespace)
+	if err != nil {
+		return err
+	}
+	names := make([]string, len(ones))
+	for i := range ones {
+		names[i] = ones[i].Name
+	}
+	enc := json.NewEncoder(w)
+	enc.SetIndent("", "   ")
+	return enc.Encode(names)
+}