syntax = "proto3";
package content;
option go_package = "./;content"; 
import "blocks.proto";

// 系统分类
service Category {
  //分类列表
  rpc CategoryList (Empty) returns (CategoryListReply) {};
  rpc AddCategory (AddCategoryRequest) returns (AddCategoryResponse) {};
  rpc ModifyCategory (ModifyCategoryRequest) returns (Empty) {};
  rpc DeleteCategory (DeleteCategoryRequest) returns (Empty) {};
}

// 无限极分类
message CategoryItem{
  string identity = 1;
  string parent_identity = 2;  // 为空表示顶级分类
  string title = 3;
  string cover_path = 4;
  string intro=5;
  string created_at = 6;
  string updated_at = 7;
  repeated CategoryItem data = 8;
}
  
message CategoryListReply {
  repeated CategoryItem data = 1; 
  int64 count = 2;
}

message AddCategoryResponse{
  string identity = 1; // 新增数据的唯一码
}

message AddCategoryRequest{
  string identity = 1; // 
  string parent_identity = 2;  // 为空表示顶级分类
  string title = 3;
  string cover_path = 4;
  string intro=5;
  string created_at = 6;
  string updated_at = 7;
  repeated CategoryItem data = 8;
}
message ModifyCategoryRequest{
  string identity = 1; // 
  string parent_identity = 2;  // 为空表示顶级分类
  string title = 3;
  string cover_path = 4;
  string intro=5;
  string created_at = 6;
  string updated_at = 7;
  repeated CategoryItem data = 8;
}

message DeleteCategoryRequest{
  string identity = 1; // 
}