Switch from "impl Responder" to Result<> response

This commit is contained in:
Tobias Reisinger 2023-11-21 15:30:30 +01:00
parent a17a9868fa
commit 09c50411d1
3 changed files with 99 additions and 133 deletions

View file

@ -16,7 +16,7 @@ pub enum DatabaseError {
}
impl DatabaseError {
fn get_code(&self) -> StatusCode {
pub fn get_code(&self) -> StatusCode {
match self {
DatabaseError::NotFound => StatusCode::NOT_FOUND,
DatabaseError::Protected => StatusCode::FORBIDDEN,

View file

@ -1,24 +1,28 @@
use crate::db::errors::DatabaseError;
use actix_web::http::StatusCode;
use actix_web::HttpResponse;
use serde::ser::SerializeStruct;
use serde::{Serialize, Serializer};
use std::fmt::{Display, Formatter};
#[derive(Debug)]
pub enum HandlerError {
pub enum ApiError {
BadUid,
ProtectedSchedule,
DatabaseError(DatabaseError),
}
impl HandlerError {
impl ApiError {
fn get_code(&self) -> StatusCode {
match self {
HandlerError::BadUid => StatusCode::BAD_REQUEST,
HandlerError::ProtectedSchedule => StatusCode::FORBIDDEN,
ApiError::BadUid => StatusCode::BAD_REQUEST,
ApiError::ProtectedSchedule => StatusCode::FORBIDDEN,
ApiError::DatabaseError(db_error) => db_error.get_code(),
}
}
}
impl Serialize for HandlerError {
impl Serialize for ApiError {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
@ -30,17 +34,46 @@ impl Serialize for HandlerError {
}
}
impl From<&HandlerError> for String {
fn from(err: &HandlerError) -> Self {
impl From<&ApiError> for String {
fn from(err: &ApiError) -> Self {
match err {
HandlerError::BadUid => String::from("the uid is in a bad format"),
HandlerError::ProtectedSchedule => String::from("the targeted schedule is protected"),
ApiError::BadUid => String::from("the uid is in a bad format"),
ApiError::ProtectedSchedule => String::from("the targeted schedule is protected"),
ApiError::DatabaseError(db_err) => String::from(db_err),
}
}
}
impl From<HandlerError> for HttpResponse {
fn from(err: HandlerError) -> Self {
impl From<&ApiError> for HttpResponse {
fn from(err: &ApiError) -> Self {
HttpResponse::build(err.get_code()).json(err)
}
}
impl Display for ApiError {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
write!(f, "{}: {}", self.get_code(), String::from(self))
}
}
impl actix_web::error::ResponseError for ApiError {
fn status_code(&self) -> StatusCode {
self.get_code()
}
fn error_response(&self) -> HttpResponse {
HttpResponse::from(self)
}
}
impl From<sqlx::Error> for ApiError {
fn from(err: sqlx::Error) -> Self {
ApiError::DatabaseError(DatabaseError::from(err))
}
}
impl From<DatabaseError> for ApiError {
fn from(err: DatabaseError) -> Self {
ApiError::DatabaseError(err)
}
}

View file

@ -1,7 +1,7 @@
use std::borrow::Borrow;
use std::convert::TryFrom;
use actix_web::{delete, get, post, put, web, HttpResponse, Responder};
use actix_web::{delete, get, post, put, web, HttpResponse};
use serde::{Deserialize, Serialize};
use sqlx::pool::PoolConnection;
use sqlx::{Pool, Sqlite};
@ -10,7 +10,7 @@ use crate::db::errors::DatabaseError;
use crate::db::models::{Periods, Schedule};
use crate::db::schedules::*;
use crate::db::tag::get_tag;
use crate::handlers::errors::HandlerError;
use crate::handlers::errors::ApiError;
use crate::return_models::ReturnSchedule;
use crate::types::EmgauwaUid;
use crate::utils::vec_has_error;
@ -23,19 +23,10 @@ pub struct RequestSchedule {
}
#[get("/api/v1/schedules")]
pub async fn index(pool: web::Data<Pool<Sqlite>>) -> impl Responder {
let pool_conn = pool.acquire().await;
if let Err(err) = pool_conn {
return HttpResponse::from(DatabaseError::from(err));
}
let mut pool_conn = pool_conn.unwrap();
pub async fn index(pool: web::Data<Pool<Sqlite>>) -> Result<HttpResponse, ApiError> {
let mut pool_conn = pool.acquire().await?;
let schedules = get_schedules(&mut pool_conn).await;
if let Err(err) = schedules {
return HttpResponse::from(err);
}
let schedules = schedules.unwrap();
let schedules = get_schedules(&mut pool_conn).await?;
let mut return_schedules: Vec<ReturnSchedule> =
schedules.iter().map(ReturnSchedule::from).collect();
@ -43,91 +34,60 @@ pub async fn index(pool: web::Data<Pool<Sqlite>>) -> impl Responder {
schedule.load_tags(&mut pool_conn);
}
HttpResponse::Ok().json(return_schedules)
Ok(HttpResponse::Ok().json(return_schedules))
}
#[get("/api/v1/schedules/tag/{tag}")]
pub async fn tagged(pool: web::Data<Pool<Sqlite>>, path: web::Path<(String,)>) -> impl Responder {
let pool_conn = pool.acquire().await;
if let Err(err) = pool_conn {
return HttpResponse::from(DatabaseError::from(err));
}
let mut pool_conn = pool_conn.unwrap();
pub async fn tagged(
pool: web::Data<Pool<Sqlite>>,
path: web::Path<(String,)>,
) -> Result<HttpResponse, ApiError> {
let mut pool_conn = pool.acquire().await?;
let (tag,) = path.into_inner();
let tag_db = get_tag(&mut pool_conn, &tag).await;
if let Err(err) = tag_db {
return HttpResponse::from(err);
}
let tag_db = tag_db.unwrap();
let tag_db = get_tag(&mut pool_conn, &tag).await?;
let schedules = get_schedules_by_tag(&mut pool_conn, &tag_db).await;
if let Err(err) = schedules {
return HttpResponse::from(err);
}
let schedules = schedules.unwrap();
let schedules = get_schedules_by_tag(&mut pool_conn, &tag_db).await?;
let mut return_schedules: Vec<ReturnSchedule> =
schedules.iter().map(ReturnSchedule::from).collect();
for schedule in return_schedules.iter_mut() {
schedule.load_tags(&mut pool_conn);
}
HttpResponse::Ok().json(return_schedules)
Ok(HttpResponse::Ok().json(return_schedules))
}
#[get("/api/v1/schedules/{schedule_id}")]
pub async fn show(pool: web::Data<Pool<Sqlite>>, path: web::Path<(String,)>) -> impl Responder {
let pool_conn = pool.acquire().await;
if let Err(err) = pool_conn {
return HttpResponse::from(DatabaseError::from(err));
}
let mut pool_conn = pool_conn.unwrap();
pub async fn show(
pool: web::Data<Pool<Sqlite>>,
path: web::Path<(String,)>,
) -> Result<HttpResponse, ApiError> {
let mut pool_conn = pool.acquire().await?;
let (schedule_uid,) = path.into_inner();
let emgauwa_uid = EmgauwaUid::try_from(schedule_uid.as_str()).or(Err(HandlerError::BadUid));
let emgauwa_uid = EmgauwaUid::try_from(schedule_uid.as_str()).or(Err(ApiError::BadUid))?;
match emgauwa_uid {
Ok(uid) => {
let schedule = get_schedule_by_uid(&mut pool_conn, &uid).await;
match schedule {
Ok(ok) => {
let mut return_schedule = ReturnSchedule::from(ok);
return_schedule.load_tags(&mut pool_conn);
HttpResponse::Ok().json(return_schedule)
}
Err(err) => HttpResponse::from(err),
}
}
Err(err) => HttpResponse::from(err),
}
let schedule = get_schedule_by_uid(&mut pool_conn, &emgauwa_uid).await?;
let mut return_schedule = ReturnSchedule::from(schedule);
return_schedule.load_tags(&mut pool_conn);
Ok(HttpResponse::Ok().json(return_schedule))
}
#[post("/api/v1/schedules")]
pub async fn add(
pool: web::Data<Pool<Sqlite>>,
data: web::Json<RequestSchedule>,
) -> impl Responder {
let pool_conn = pool.acquire().await;
if let Err(err) = pool_conn {
return HttpResponse::from(DatabaseError::from(err));
}
let mut pool_conn = pool_conn.unwrap();
) -> Result<HttpResponse, ApiError> {
let mut pool_conn = pool.acquire().await?;
let new_schedule = create_schedule(&mut pool_conn, &data.name, &data.periods).await;
let new_schedule = create_schedule(&mut pool_conn, &data.name, &data.periods).await?;
if let Err(err) = new_schedule {
return HttpResponse::from(err);
}
let new_schedule = new_schedule.unwrap();
let result = set_schedule_tags(&mut pool_conn, &new_schedule, data.tags.as_slice()).await;
if let Err(err) = result {
return HttpResponse::from(err);
}
set_schedule_tags(&mut pool_conn, &new_schedule, data.tags.as_slice()).await?;
let mut return_schedule = ReturnSchedule::from(new_schedule);
return_schedule.load_tags(&mut pool_conn);
HttpResponse::Created().json(return_schedule)
Ok(HttpResponse::Created().json(return_schedule))
}
async fn add_list_single(
@ -146,12 +106,8 @@ async fn add_list_single(
pub async fn add_list(
pool: web::Data<Pool<Sqlite>>,
data: web::Json<Vec<RequestSchedule>>,
) -> impl Responder {
let pool_conn = pool.acquire().await;
if let Err(err) = pool_conn {
return HttpResponse::from(DatabaseError::from(err));
}
let mut pool_conn = pool_conn.unwrap();
) -> Result<HttpResponse, ApiError> {
let mut pool_conn = pool.acquire().await?;
let result: Vec<Result<Schedule, DatabaseError>> = data
.as_slice()
@ -162,13 +118,13 @@ pub async fn add_list(
.collect();
match vec_has_error(&result) {
true => HttpResponse::from(
true => Ok(HttpResponse::from(
result
.into_iter()
.find(|r| r.is_err())
.unwrap()
.unwrap_err(),
),
)),
false => {
let mut return_schedules: Vec<ReturnSchedule> = result
.iter()
@ -178,7 +134,7 @@ pub async fn add_list(
for schedule in return_schedules.iter_mut() {
schedule.load_tags(&mut pool_conn);
}
HttpResponse::Created().json(return_schedules)
Ok(HttpResponse::Created().json(return_schedules))
}
}
}
@ -188,25 +144,13 @@ pub async fn update(
pool: web::Data<Pool<Sqlite>>,
path: web::Path<(String,)>,
data: web::Json<RequestSchedule>,
) -> impl Responder {
let pool_conn = pool.acquire().await;
if let Err(err) = pool_conn {
return HttpResponse::from(DatabaseError::from(err));
}
let mut pool_conn = pool_conn.unwrap();
) -> Result<HttpResponse, ApiError> {
let mut pool_conn = pool.acquire().await?;
let (schedule_uid,) = path.into_inner();
let emgauwa_uid = EmgauwaUid::try_from(schedule_uid.as_str()).or(Err(HandlerError::BadUid));
if let Err(err) = emgauwa_uid {
return HttpResponse::from(err);
}
let emgauwa_uid = emgauwa_uid.unwrap();
let emgauwa_uid = EmgauwaUid::try_from(schedule_uid.as_str()).or(Err(ApiError::BadUid))?;
let schedule = get_schedule_by_uid(&mut pool_conn, &emgauwa_uid).await;
if let Err(err) = schedule {
return HttpResponse::from(err);
}
let schedule = schedule.unwrap();
let schedule = get_schedule_by_uid(&mut pool_conn, &emgauwa_uid).await?;
let schedule = update_schedule(
&mut pool_conn,
@ -214,42 +158,31 @@ pub async fn update(
data.name.as_str(),
data.periods.borrow(),
)
.await;
if let Err(err) = schedule {
return HttpResponse::from(err);
}
let schedule = schedule.unwrap();
.await?;
let result = set_schedule_tags(&mut pool_conn, &schedule, data.tags.as_slice()).await;
if let Err(err) = result {
return HttpResponse::from(err);
}
set_schedule_tags(&mut pool_conn, &schedule, data.tags.as_slice()).await?;
let mut return_schedule = ReturnSchedule::from(schedule);
return_schedule.load_tags(&mut pool_conn);
HttpResponse::Ok().json(return_schedule)
Ok(HttpResponse::Ok().json(return_schedule))
}
#[delete("/api/v1/schedules/{schedule_id}")]
pub async fn delete(pool: web::Data<Pool<Sqlite>>, path: web::Path<(String,)>) -> impl Responder {
let pool_conn = pool.acquire().await;
if let Err(err) = pool_conn {
return HttpResponse::from(DatabaseError::from(err));
}
let mut pool_conn = pool_conn.unwrap();
pub async fn delete(
pool: web::Data<Pool<Sqlite>>,
path: web::Path<(String,)>,
) -> Result<HttpResponse, ApiError> {
let mut pool_conn = pool.acquire().await?;
let (schedule_uid,) = path.into_inner();
let emgauwa_uid = EmgauwaUid::try_from(schedule_uid.as_str()).or(Err(HandlerError::BadUid));
let emgauwa_uid = EmgauwaUid::try_from(schedule_uid.as_str()).or(Err(ApiError::BadUid))?;
match emgauwa_uid {
Ok(uid) => match uid {
EmgauwaUid::Off => HttpResponse::from(HandlerError::ProtectedSchedule),
EmgauwaUid::On => HttpResponse::from(HandlerError::ProtectedSchedule),
EmgauwaUid::Any(_) => match delete_schedule_by_uid(&mut pool_conn, uid).await {
Ok(_) => HttpResponse::Ok().json("schedule got deleted"),
Err(err) => HttpResponse::from(err),
},
},
Err(err) => HttpResponse::from(err),
EmgauwaUid::Off => Err(ApiError::ProtectedSchedule),
EmgauwaUid::On => Err(ApiError::ProtectedSchedule),
EmgauwaUid::Any(_) => {
delete_schedule_by_uid(&mut pool_conn, emgauwa_uid).await?;
Ok(HttpResponse::Ok().json("schedule got deleted"))
}
}
}