mycommon-utils 0.2.1

use std::fmt::Display;
use axum::response::Response;
use serde::{Deserialize, Serialize};
use serde::de::DeserializeOwned;
use crate::error::Error;

/// http接口返回模型结构，提供基础的 code，msg，data 等json数据结构
#[derive(Debug, Serialize, Deserialize, Clone, Default)]
#[serde(rename_all = "camelCase")]
pub struct ServiceResponse<T> {
    pub error_code: i32,
    pub error_msg: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub data: Option<T>,
}

impl<T> ServiceResponse<T> where T: Serialize + DeserializeOwned + Clone, {
    pub fn result(arg: &Result<T, Error>) -> Self {
        match arg {
            Ok(data) => Self {
                error_code: 0,
                error_msg: "ok".to_string(),
                data: Some(data.clone()),
            },
            Err(e) => Self {
                error_code: e.error_code,
                error_msg: e.error_msg.clone(),
                data: None,
            },
        }
    }

    pub fn to_response_json(&self) -> Response<String> {
        axum::response::Response::builder()
            .header("Content-Type", "text/json;charset=UTF-8")
            .header("Cache-Control", "no-cache")
            .body(self.to_string()).unwrap()
    }
}

impl<T> Display for ServiceResponse<T> where T: Serialize + DeserializeOwned + Clone,
{
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", serde_json::to_string(self).unwrap())
    }
}