tutorlib/dto/student_answer_response.rs
use serde::{Deserialize, Serialize};
use uuid::Uuid;
#[derive(Serialize, Deserialize, Debug, Clone)]
#[serde(rename_all = "camelCase")]
pub struct StudentAnswerResponse {
#[serde(skip_serializing_if = "Option::is_none")]
pub id: Option<Uuid>,
pub exercise: Uuid,
#[serde(skip_serializing_if = "Option::is_none")]
pub file: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub ver: Option<i32>,
pub answer: String,
}