basic server

* basic untested implementation of server
* updating data not implemented yet

models/models.go

@@ -0,0 +1,45 @@
+package models
+
+import geojson "github.com/paulmach/go.geojson"
+
+// core objects
+
+type UserID int
+
+type User struct {
+	ID   UserID `json:"id"`
+	Name string `json:"name"`
+}
+
+type Feature struct {
+	ID          int              `json:"id"`
+	OwnerID     *UserID          `json:"owner_id"`
+	Name        string           `json:"name"`
+	Description *string          `json:"description"`
+	Category    *string          `json:"category"`
+	Geometry    geojson.Geometry `json:"geometry"`
+}
+
+// transport objects
+
+type Update struct {
+	Create []Feature `json:"create"`
+	Update []Feature `json:"update"`
+	Delete []UserID  `json:"delete"`
+}
+
+type HandshakeChallenge struct {
+	Name   string `json:"name"`
+	Exists bool   `json:"exists"`
+}
+
+type HandshakeResponse struct {
+	ID           UserID `json:"id"`
+	Name         string `json:"name"`
+	TilePackPath string `json:"tile_pack_path"`
+}
+
+type Data struct {
+	Users    []User    `json:"users"`
+	Features []Feature `json:"features"`
+}