/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis *file,Youcanobtainoneathttp://mozilla.org/MPL/2.0/.
*/
use error_support::{ErrorHandling, GetErrorHandling}; use remote_settings::RemoteSettingsError;
/// A list of errors that are internal to the component. This is the error /// type for private and crate-internal methods, and is never returned to the /// application. #[derive(Debug, thiserror::Error)] pubenum Error { #[error("Error opening database: {0}")]
OpenDatabase(#[from] sql_support::open_database::Error),
#[extend::ext(name=RusqliteResultExt)] pubimpl<T> Result<T, rusqlite::Error> { // Convert an rusqlite::Error to our error type, with a context value fn with_context(self, context: &str) -> Result<T, Error> { self.map_err(|e| Error::sql(e, context))
}
}
/// The error type for all Suggest component operations. These errors are /// exposed to your application, which should handle them as needed. #[derive(Debug, thiserror::Error, uniffi::Error)] #[non_exhaustive] pubenum SuggestApiError { #[error("Network error: {reason}")]
Network { reason: String }, /// The server requested a backoff after too many requests #[error("Backoff")]
Backoff { seconds: u64 }, /// An operation was interrupted by calling `SuggestStore.interrupt()` #[error("Interrupted")]
Interrupted, #[error("Other error: {reason}")]
Other { reason: String },
}
// Define how our internal errors are handled and converted to external errors // See `support/error/README.md` for how this works, especially the warning about PII. impl GetErrorHandling for Error { type ExternalError = SuggestApiError;
fn get_error_handling(&self) -> ErrorHandling<Self::ExternalError> { matchself { // Do nothing for interrupted errors, this is just normal operation. Self::Interrupted(_) => ErrorHandling::convert(SuggestApiError::Interrupted), // Network errors are expected to happen in practice. Let's log, but not report them. Self::RemoteSettings(RemoteSettingsError::Network { reason }) => {
ErrorHandling::convert(SuggestApiError::Network {
reason: reason.clone(),
})
.log_warning()
} // Backoff error shouldn't happen in practice, so let's report them for now. // If these do happen in practice and we decide that there is a valid reason for them, // then consider switching from reporting to Sentry to counting in Glean. Self::RemoteSettings(RemoteSettingsError::Backoff { seconds }) => {
ErrorHandling::convert(SuggestApiError::Backoff { seconds: *seconds })
.report_error("suggest-backoff")
}
_ => ErrorHandling::convert(SuggestApiError::Other {
reason: self.to_string(),
})
.report_error("suggest-unexpected"),
}
}
}
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