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Author SHA1 Message Date
franklinblanco
23f7fdc927 Removed all erros from this branch 2024-11-19 11:40:49 +01:00
4 changed files with 2 additions and 214 deletions
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2
Cargo.toml
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@ -13,7 +13,7 @@ repository = "https://github.com/franklinblanco/err.git"
[dependencies]
serde = { version = "1.0", features = ["derive"] }
thiserror = "1.0.48"
sqlx = { version = "0.7", features = ["json"] }
sqlx = { version = "0.8", features = ["json"] }
stdext = "0.3.1"
[dev-dependencies]

127
src/lib.rs
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@ -1,10 +1,7 @@
mod macros;
mod tests;
use std::fmt::Display;
use serde::{Serialize, Deserialize, Serializer};
use serde::ser::SerializeMap;
use thiserror::Error;
use serde::{Serialize, Deserialize};
pub use stdext::function_name;
@ -25,51 +22,6 @@ impl Trace {
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct Traces { pub traces: Vec<Trace> }
#[derive(Serialize, Debug, Error)]
#[error("MessageResource: {message_resource} ErrorType: {error_type} Trace: {trace:#?}")]
pub struct Error {
pub trace: Traces,
#[serde(rename = "messageResource")]
pub message_resource: MessageResource,
#[serde(rename = "errorType")]
pub error_type: ErrorType,
}
impl Error {
pub fn new(trace: Trace) -> Self {
Self {
trace: Traces { traces: Vec::from([trace]) },
message_resource: MessageResource::new("errors.backend.common.default", "We still don't have an error defined for this."),
error_type: ErrorType::Unspecified,
}
}
pub fn push_trace(mut self, trace: Trace) -> Self {
self.trace.traces.push(trace);
self
}
pub fn push_error(mut self, error: Error) -> Self {
self.error_type = ErrorType::Nested { nested: Box::new(error) };
self
}
pub fn key(mut self, key: Option<impl ToString>) -> Self {
self.message_resource.key = match key {
None => None,
Some(key) => Some(key.to_string()),
};
self
}
pub fn message(mut self, message: impl ToString) -> Self {
self.message_resource.message = message.to_string();
self
}
pub fn error_type(mut self, error_type: ErrorType) -> Self {
self.error_type = error_type;
self
}
}
/// This is for sending errors back from requests conveniently.
/// This struct contains an optional key just in
/// case you want to deal with internationalization.
@ -110,83 +62,6 @@ impl Default for MessageResource{
Self { key: None, message: "".to_string() }
}
}
/// This is supposed to be used whenever you have an error in your code and want to be more specific about it.
/// Fits in with most CRUD web apps. What you send back to the client is a MessageResource, not the error itself!
#[derive(Serialize, Debug, Error)]
pub enum ErrorType {
#[error("Network Error")]
Network,
#[error("IO error")]
IO,
#[error("Privilege Error")]
Privilege,
#[error("Unexpected Status Code. Expected: {expected} Actual: {actual}")]
UnexpectedStatusCode { expected: u16, actual: u16 },
#[error("Serde Error. Attempted to Serialize/Deserialize String: {text}")]
Serde { text: String },
#[error("Parsing error.")]
Parser,
#[error("Service Error: {error}")]
Service { error: ServiceError },
#[error("Unspecified Error")]
Unspecified,
#[error("Unexpected Error: {message}")]
Unexpected { message: String },
#[error("Nested Error: {nested}")]
Nested { nested: Box<Error> },
}
#[derive(Error, Serialize, Debug)]
pub enum ServiceError {
/// Used to return a simple error from FromStr implementations.
#[error("Error parsing string into value")]
FromStrError,
/// Every error that is returned from a DAO operation.
#[error("Error from the Database: {error}")]
#[serde(serialize_with = "ser_with")]
DatabaseError {
#[from]
error: sqlx::Error
},
/// A vec of ValidationErrors
#[error("Error Operation Not Allowed: {message}")]
NotAllowed { message: String },
#[error("Validation Errors: {errors:?}")]
ValidationErrors { errors: Vec<ValidationError> },
/// Something already exists. That something should be {0}
/// Example: "User" "Credential"
#[error("Error {message} Already exists.")]
AlreadyExistsError { message: String },
/// Example: "User with id X"
#[error("{message} Not found.")]
NotFoundError { message: String },
/// Used to specify authentication error.
/// Example: Password incorrect for user
#[error("Credential supplied is incorrect. {message}")]
IncorrectCredentialError { message: String },
#[error("Too many credentials supplied, maximum is 3.")]
TooManyCredentialsError,
/// Used for anything else.
#[error("Unexpected Error: {message}")]
UnexpectedError { message: String },
}
/// Any string validation error such as Phone number validation or email, etc...
/// Reason should be a Key for internationalization
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Error)]
#[error("Error validating `{what}`. Reason: {reason}")]
pub struct ValidationError {
pub what: String,
pub reason: String,
}
pub fn ser_with<S>(id: &sqlx::Error, s: S) -> Result<S::Ok, S::Error> where
S: Serializer,
{
let mut ser = s.serialize_map(Some(1))?;
ser.serialize_entry("$oid", &id.to_string())?;
ser.end()
}
pub trait VecRemove {
type T;

42
src/macros.rs
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@ -25,45 +25,3 @@ macro_rules! test_trace {
}
};
}
/// Macro used to 'unwrap' a result that returns a Error
///
/// If there's an error returns the generated Error and push a trace on it.
#[allow(unused_macros)]
#[macro_export]
macro_rules! u_res_or_res {
( $e:expr ) => {
match $e {
Ok(result) => result,
Err(mut error) => return Err(error.push_trace(err::trace!()))
}
};
}
/// Macro used to 'unwrap' a result that returns a Error
///
/// If there's an error returns the generated Error and push a trace on it.
#[allow(unused_macros)]
#[macro_export]
macro_rules! x_u_res_or_res {
( $e:expr, $t:expr ) => {
match $e {
Ok(result) => result,
Err(error) => return Err(err::Error::new(err::trace!()).message(error.to_string()).error_type($t))
}
};
}
/// Macro used to 'unwrap' a result that returns a Error
///
/// If there's an error returns the generated Error and push a trace on it.
#[allow(unused_macros)]
#[macro_export]
macro_rules! x_u_res_db_or_res {
( $e:expr ) => {
match $e {
Ok(result) => result,
Err(error) => return Err(err::Error::new(err::trace!()).message(error.to_string()).error_type(err::ErrorType::Service { error: err::ServiceError::DatabaseError{error: error} } ))
}
};
}

45
src/tests.rs
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@ -1,45 +0,0 @@
#[cfg(test)]
mod tests {
use crate::{Error, ErrorType, ServiceError, test_trace};
#[test]
fn print_json() {
let error = Error::new(test_trace!())
.message("Hi there g")
.push_trace(test_trace!())
.key(Some("This key"))
.push_error(
Error::new(test_trace!())
.error_type(ErrorType::Service { error: ServiceError::AlreadyExistsError { message: String::from("Hey now") } })
.message("Hi there g")
.push_trace(test_trace!())
.key(Some("key for nested err"))
);
println!("Object in rust: {:#?}", error);
println!("");
println!("#############################################");
println!("");
println!("Object in json: {}", serde_json::to_string_pretty(&error).unwrap())
}
#[test]
fn print_json_with_db_error_variant() {
let error = Error::new(test_trace!())
.message("Hi there g")
.push_trace(test_trace!())
.key(Some("This key"))
.push_error(
Error::new(test_trace!())
.error_type(ErrorType::Service { error: ServiceError::DatabaseError { error: sqlx::Error::Protocol("AAAA".into()) } })
.message("Hi there g")
.push_trace(test_trace!())
.key(Some("key for nested err"))
);
println!("Object in rust: {:#?}", error);
println!("");
println!("#############################################");
println!("");
println!("Object in json: {}", serde_json::to_string_pretty(&error).unwrap())
}
}