core/src/db/errors.rs

58 lines
1.6 KiB
Rust

use actix_web::http::StatusCode;
use actix_web::HttpResponse;
use serde::ser::SerializeStruct;
use serde::{Serialize, Serializer};
#[derive(Debug)]
pub enum DatabaseError {
DeleteError,
InsertError(diesel::result::Error),
InsertGetError,
NotFound,
Protected,
UpdateError(diesel::result::Error),
}
impl DatabaseError {
fn get_code(&self) -> StatusCode {
match self {
DatabaseError::NotFound => StatusCode::NOT_FOUND,
DatabaseError::Protected => StatusCode::FORBIDDEN,
_ => StatusCode::INTERNAL_SERVER_ERROR,
}
}
}
impl Serialize for DatabaseError {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let mut s = serializer.serialize_struct("error", 3)?;
s.serialize_field("type", "database-error")?;
s.serialize_field("code", &self.get_code().as_u16())?;
s.serialize_field("description", &String::from(self))?;
s.end()
}
}
impl From<&DatabaseError> for String {
fn from(err: &DatabaseError) -> Self {
match err {
DatabaseError::InsertError(_) => String::from("error on inserting into database"),
DatabaseError::InsertGetError => {
String::from("error on retrieving new entry from database (your entry was saved)")
}
DatabaseError::NotFound => String::from("model was not found in database"),
DatabaseError::DeleteError => String::from("error on deleting from database"),
DatabaseError::Protected => String::from("model is protected"),
DatabaseError::UpdateError(_) => String::from("error on updating the model"),
}
}
}
impl From<DatabaseError> for HttpResponse {
fn from(err: DatabaseError) -> Self {
HttpResponse::build(err.get_code()).json(err)
}
}