todo.proto

syntax = "proto3";

import "google/protobuf/empty.proto";

message ToDo {
  string id = 1;
  string title = 2;
  string description = 3;
  bool done = 4;
}

message ToDoId {
  string id = 1;
}

message OperationResult {
  bool ok = 1;
  int32 status = 2;
  string message = 3;
  string info = 4;
}

message PaginatedQueryParams {
  int32 page = 1;
  int32 size = 2;
}

message PaginatedQueryResult {
  message PaginatedQueryResultRange {
    int32 from = 1;
    int32 to = 2;
  }

  int32 count = 1;
  int32 total = 2;
  PaginatedQueryResultRange range = 3;
  repeated ToDo results = 4;
}

service Todo {
  rpc Create (ToDo) returns (OperationResult);
  rpc List (PaginatedQueryParams) returns (PaginatedQueryResult);
  rpc ToggleDone (ToDoId) returns (OperationResult);
  rpc Delete (ToDoId) returns (OperationResult);
  rpc StreamList (google.protobuf.Empty) returns (stream ToDo);
}