rename locations to places (#38)

* rename locations to places

* update failing things

Co-authored-by: Janos Dobronszki <dobronszki@gmail.com>

places/proto/places.proto

@@ -0,0 +1,53 @@
+syntax = "proto3";
+
+package places;
+
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/wrappers.proto";
+
+service Places {
+	// Save a set of places
+	rpc Save(SaveRequest) returns (SaveResponse) {}
+	// Last places for a set of users
+	rpc Last(LastRequest) returns (ListResponse) {}
+	// Near returns the places near a point at a given time
+	rpc Near(NearRequest) returns (ListResponse) {}	
+	// Read places for a group of users between two points in time
+	rpc Read(ReadRequest) returns (ListResponse) {}
+}
+
+message Location {
+	string id = 1;
+	string name = 2;
+	map<string,string> metadata = 3;
+	google.protobuf.Timestamp timestamp = 4;
+	google.protobuf.DoubleValue latitude = 5;
+	google.protobuf.DoubleValue longitude = 6;
+}
+
+message SaveRequest {
+	repeated Location places = 1;
+}
+
+message SaveResponse {}
+
+message LastRequest {
+	repeated string ids = 1;
+}
+
+message ListResponse {
+	repeated Location places = 1;
+}
+
+message NearRequest {
+	google.protobuf.DoubleValue latitude = 1;
+	google.protobuf.DoubleValue longitude = 2;
+	// radius to search within, units km
+	google.protobuf.DoubleValue radius = 3;
+}
+
+message ReadRequest {
+	repeated string ids = 1;
+	google.protobuf.Timestamp after = 2;
+	google.protobuf.Timestamp before = 3;
+}