syntax = "proto3";

package item.v1;

import "google/protobuf/timestamp.proto";

message Item {
  int64 id = 1;
  string name = 2;
  google.protobuf.Timestamp added = 3;
  string description = 4;
  float price = 5;
  int32 quantity = 6;
}

service ItemService {
  rpc GetItem (GetItemRequest) returns (GetItemResponse) {}
  rpc GetItems (GetItemsRequest) returns (GetItemsResponse) {}
  rpc CreateItem (CreateItemRequest) returns (CreateItemResponse) {}
  rpc UpdateItem (UpdateItemRequest) returns (UpdateItemResponse) {}
  rpc DeleteItem (DeleteItemRequest) returns (DeleteItemResponse) {}
}

message GetItemRequest {
  int64 id = 1;
}
message GetItemResponse {
  Item item = 1;
}

message GetItemsRequest {
  optional google.protobuf.Timestamp start = 1;
  optional google.protobuf.Timestamp end = 2;
  optional string filter = 3;
  optional int32 limit = 4;
  optional int32 offset = 5;
}
message GetItemsResponse {
  repeated Item items = 1;
  int64 count = 2;
}

message CreateItemRequest {
  string name = 1;
  string description = 2;
  float price = 3;
  int32 quantity = 4;
}
message CreateItemResponse {
  int64 id = 1;
  google.protobuf.Timestamp added = 2;
}

message UpdateItemRequest {
  int64 id = 1;
  optional string name = 2;
  optional string description = 3;
  optional float price = 4;
  optional int32 quantity = 5;
}
message UpdateItemResponse {}

message DeleteItemRequest {
  int64 id = 1;
}
message DeleteItemResponse {}