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use std::{collections::HashMap, error::Error as StdError};
use axum::{
Router,
body::Body,
extract::{Path, Request, State},
response::IntoResponse,
routing,
};
use bytes::{Bytes, BytesMut};
use csv::WriterBuilder;
use futures_util::StreamExt;
use log::error;
use serde::{Deserialize, Serialize};
use serde_json::{Deserializer, Map, Value};
use sylvia_iot_corelib::err::ErrResp;
use super::{super::State as AppState, ListResp, api_bridge, list_api_bridge};
#[derive(Deserialize)]
struct UserIdPath {
user_id: String,
}
#[derive(Deserialize, Serialize)]
struct User {
account: String,
#[serde(rename = "createdAt")]
created_at: String,
#[serde(rename = "modifiedAt")]
modified_at: String,
#[serde(rename = "verifiedAt")]
verified_at: Option<String>,
#[serde(skip_serializing)]
roles: HashMap<String, bool>,
#[serde(rename(serialize = "role"))]
roles_str: Option<String>,
name: String,
info: Map<String, Value>,
#[serde(rename(serialize = "info"))]
info_str: Option<String>,
const CSV_FIELDS: &'static [u8] =
b"\xEF\xBB\xBFaccount,createdAt,modifiedAt,verifiedAt,roles,name,info\n";
pub fn new_service(scope_path: &str, state: &AppState) -> Router {
Router::new().nest(
scope_path,
Router::new()
.route(
"/",
routing::get(get_user)
.patch(patch_user)
.post(post_admin_user),
)
.route("/count", routing::get(get_admin_user_count))
.route("/list", routing::get(get_admin_user_list))
"/{user_id}",
routing::get(get_admin_user)
.patch(patch_admin_user)
.delete(delete_admin_user),
.with_state(state.clone()),
/// `GET /{base}/api/v1/user`
async fn get_user(state: State<AppState>, req: Request) -> impl IntoResponse {
const FN_NAME: &'static str = "get_user";
let api_path = format!("{}/api/v1/user", state.auth_base);
let client = state.client.clone();
api_bridge(FN_NAME, &client, req, api_path.as_str()).await
/// `PATCH /{base}/api/v1/user`
async fn patch_user(state: State<AppState>, req: Request) -> impl IntoResponse {
const FN_NAME: &'static str = "patch_user";
/// `POST /{base}/api/v1/user`
async fn post_admin_user(state: State<AppState>, req: Request) -> impl IntoResponse {
const FN_NAME: &'static str = "post_admin_user";
/// `GET /{base}/api/v1/user/count`
async fn get_admin_user_count(state: State<AppState>, req: Request) -> impl IntoResponse {
const FN_NAME: &'static str = "get_admin_user_count";
let api_path = format!("{}/api/v1/user/count", state.auth_base.as_str());
/// `GET /{base}/api/v1/user/list`
async fn get_admin_user_list(state: State<AppState>, req: Request) -> impl IntoResponse {
const FN_NAME: &'static str = "get_admin_user_list";
let api_path = format!("{}/api/v1/user/list", state.auth_base.as_str());
let api_path = api_path.as_str();
let (api_resp, resp_builder) =
match list_api_bridge(FN_NAME, &client, req, api_path, false, "user").await {
ListResp::Axum(resp) => return resp,
ListResp::ArrayStream(api_resp, resp_builder) => (api_resp, resp_builder),
let mut resp_stream = api_resp.bytes_stream();
let body = Body::from_stream(async_stream::stream! {
yield Ok(Bytes::from(CSV_FIELDS));
let mut buffer = BytesMut::new();
while let Some(body) = resp_stream.next().await {
match body {
Err(e) => {
error!("[{}] get body error: {}", FN_NAME, e);
let err: Box<dyn StdError + Send + Sync> = Box::new(e);
yield Err(err);
break;
Ok(body) => buffer.extend_from_slice(&body[..]),
let mut json_stream = Deserializer::from_slice(&buffer[..]).into_iter::<User>();
let mut index = 0;
let mut finish = false;
loop {
if let Some(Ok(mut v)) = json_stream.next() {
if let Ok(roles_str) = serde_json::to_string(&v.roles) {
v.roles_str = Some(roles_str);
if let Ok(info_str) = serde_json::to_string(&v.info) {
v.info_str = Some(info_str);
let mut writer = WriterBuilder::new().has_headers(false).from_writer(vec![]);
if let Err(e) = writer.serialize(v) {
finish = true;
match writer.into_inner() {
Ok(row) => yield Ok(Bytes::copy_from_slice(row.as_slice())),
continue;
let offset = json_stream.byte_offset();
if buffer.len() <= index + offset {
index = buffer.len();
match buffer[index+offset] {
b'[' | b',' => {
index += offset + 1;
if buffer.len() <= index {
json_stream =
Deserializer::from_slice(&buffer[index..]).into_iter::<User>();
b']' => {
_ => break,
if finish {
buffer = buffer.split_off(index);
});
match resp_builder.body(body) {
Err(e) => ErrResp::ErrRsc(Some(e.to_string())).into_response(),
Ok(resp) => resp,
/// `GET /{base}/api/v1/user/{userId}`
async fn get_admin_user(
state: State<AppState>,
Path(param): Path<UserIdPath>,
req: Request,
) -> impl IntoResponse {
const FN_NAME: &'static str = "get_admin_user";
let api_path = format!("{}/api/v1/user/{}", state.auth_base, param.user_id);
/// `PATCH /{base}/api/v1/user/{userId}`
async fn patch_admin_user(
const FN_NAME: &'static str = "patch_admin_user";
/// `DELETE /{base}/api/v1/user/{userId}`
async fn delete_admin_user(
const FN_NAME: &'static str = "delete_admin_user";