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use axum::extract::{Multipart, Path};
use axum::http::StatusCode;
use axum::response::{IntoResponse, Response};
use axum::{body, Json};
use diesel::OptionalExtension;
use rand::distributions::Alphanumeric;
use rand::Rng;
use serde::{Deserialize, Serialize};
use serde_json::{self, json, value::Value as JsonValue};
use std::io::Cursor;
use std::path::PathBuf;
use crate::db::bots::{self, CodeBundle};
use crate::db::users::User;
use crate::modules::bots::save_code_bundle;
use crate::{DatabaseConnection, BOTS_DIR};
use bots::Bot;
#[derive(Serialize, Deserialize, Debug)]
pub struct SaveBotParams {
pub bot_name: String,
pub code: String,
}
pub enum SaveBotError {
BotNameTaken,
}
impl IntoResponse for SaveBotError {
fn into_response(self) -> Response {
let (status, value) = match self {
SaveBotError::BotNameTaken => {
(StatusCode::FORBIDDEN, json!({ "error": "BotNameTaken" }))
}
};
let encoded = serde_json::to_vec(&value).expect("could not encode response value");
Response::builder()
.status(status)
.body(body::boxed(body::Full::from(encoded)))
.expect("could not build response")
}
}
pub async fn save_bot(
Json(params): Json<SaveBotParams>,
user: User,
conn: DatabaseConnection,
) -> Result<Json<Bot>, SaveBotError> {
// TODO: authorization
let res = bots::find_bot_by_name(¶ms.bot_name, &conn)
.optional()
.expect("could not run query");
let bot = match res {
Some(existing_bot) => {
if existing_bot.owner_id == Some(user.id) {
existing_bot
} else {
return Err(SaveBotError::BotNameTaken);
}
}
None => {
let new_bot = bots::NewBot {
owner_id: Some(user.id),
name: ¶ms.bot_name,
};
bots::create_bot(&new_bot, &conn).expect("could not create bot")
}
};
let _code_bundle =
save_code_bundle(¶ms.code, Some(bot.id), &conn).expect("failed to save code bundle");
Ok(Json(bot))
}
#[derive(Serialize, Deserialize, Debug)]
pub struct BotParams {
name: String,
}
pub async fn create_bot(
conn: DatabaseConnection,
user: User,
params: Json<BotParams>,
) -> (StatusCode, Json<Bot>) {
let bot_params = bots::NewBot {
owner_id: Some(user.id),
name: ¶ms.name,
};
let bot = bots::create_bot(&bot_params, &conn).unwrap();
(StatusCode::CREATED, Json(bot))
}
// TODO: handle errors
pub async fn get_bot(
conn: DatabaseConnection,
Path(bot_id): Path<i32>,
) -> Result<Json<JsonValue>, StatusCode> {
let bot = bots::find_bot(bot_id, &conn).map_err(|_| StatusCode::NOT_FOUND)?;
let bundles = bots::find_bot_code_bundles(bot.id, &conn)
.map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
Ok(Json(json!({
"bot": bot,
"bundles": bundles,
})))
}
pub async fn get_my_bots(
conn: DatabaseConnection,
user: User,
) -> Result<Json<Vec<Bot>>, StatusCode> {
bots::find_bots_by_owner(user.id, &conn)
.map(Json)
.map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)
}
pub async fn list_bots(conn: DatabaseConnection) -> Result<Json<Vec<Bot>>, StatusCode> {
bots::find_all_bots(&conn)
.map(Json)
.map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)
}
// TODO: currently this only implements the happy flow
pub async fn upload_code_multipart(
conn: DatabaseConnection,
user: User,
Path(bot_id): Path<i32>,
mut multipart: Multipart,
) -> Result<Json<CodeBundle>, StatusCode> {
let bots_dir = PathBuf::from(BOTS_DIR);
let bot = bots::find_bot(bot_id, &conn).map_err(|_| StatusCode::NOT_FOUND)?;
if Some(user.id) != bot.owner_id {
return Err(StatusCode::FORBIDDEN);
}
let data = multipart
.next_field()
.await
.map_err(|_| StatusCode::BAD_REQUEST)?
.ok_or(StatusCode::BAD_REQUEST)?
.bytes()
.await
.map_err(|_| StatusCode::BAD_REQUEST)?;
// TODO: this random path might be a bit redundant
let folder_name: String = rand::thread_rng()
.sample_iter(&Alphanumeric)
.take(16)
.map(char::from)
.collect();
zip::ZipArchive::new(Cursor::new(data))
.map_err(|_| StatusCode::BAD_REQUEST)?
.extract(bots_dir.join(&folder_name))
.map_err(|_| StatusCode::BAD_REQUEST)?;
let bundle = bots::NewCodeBundle {
bot_id: Some(bot.id),
path: &folder_name,
};
let code_bundle =
bots::create_code_bundle(&bundle, &conn).expect("Failed to create code bundle");
Ok(Json(code_bundle))
}
|
