common/src/db/errors.rs

42 lines
1.1 KiB
Rust

use serde::ser::SerializeStruct;
use serde::{Serialize, Serializer};
pub enum DatabaseError {
InsertError,
InsertGetError,
NotFound,
}
impl DatabaseError {
fn to_code(&self) -> u32 {
match self {
DatabaseError::NotFound => 404,
_ => 500
}
}
}
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.to_code())?;
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 inserting into database"),
DatabaseError::InsertGetError => {
String::from("error retrieving new entry from database (your entry was saved)")
}
DatabaseError::NotFound => String::from("model was not found in database")
}
}
}