syntax = "proto3";

option go_package = "git.itzana.me/strafesnet/go-grpc/transactions";

package transactions;

import "users.proto";
import "google/protobuf/struct.proto";

service TransactionsService {
  rpc Create(TransactionCreate) returns (IdMessage);
  rpc Update(TransactionUpdate) returns (NullResponse);
  rpc Delete(IdMessage) returns (NullResponse);
  rpc Balance(UserIdMessage) returns (BalanceResponse);
  rpc Get(IdMessage) returns (TransactionItem);
  rpc List(ListRequest) returns (TransactionList);
}

message TransactionCreate {
  string ID = 1;
  int64 UserID = 2;
  int64 Value = 3;
  int32 StateID = 4;
  google.protobuf.Struct Data = 5;
}

message TransactionUpdate {
  string ID = 1;
  optional int64 Value = 2;
  optional int32 StateID = 3;
  optional google.protobuf.Struct Data = 4;
}

message TransactionItem {
  string ID = 1;
  users.UserResponse User = 2;
  int64 Value = 3;
  int32 StateID = 4;
  int64 Created = 5;
  int64 Updated = 6;
  google.protobuf.Struct Data = 7;
}

message TransactionFilter {
  optional int64 UserID = 1;
  optional int32 StateID = 2;
}

message ListRequest {
  TransactionFilter Filter = 1;
  Pagination Page = 2;
}

message Pagination {
  int32 Size = 1;
  int32 Number = 2;
}

message TransactionList {
  repeated TransactionItem Transactions = 1;
}

message BalanceResponse {
  int64 Balance = 1;
}

message IdMessage {
  string ID = 1;
}

message UserIdMessage {
  int64 UserID = 1;
}

message NullResponse {

}