tauri-plugin-notifications 0.4.5

A Tauri v2 plugin for sending notifications on desktop and mobile platforms with support for system notifications and push delivery via FCM and APNs.
Documentation 
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use serde::{ser::Serializer, Serialize};

pub type Result<T> = std::result::Result<T, Error>;

/// Replica of the tauri::plugin::mobile::ErrorResponse for desktop platforms.
#[cfg(desktop)]
#[derive(Debug, thiserror::Error, Clone, serde::Deserialize)]
pub struct ErrorResponse<T = ()> {
    /// Error code.
    pub code: Option<String>,
    /// Error message.
    pub message: Option<String>,
    /// Optional error data.
    #[serde(flatten)]
    pub data: T,
}

#[cfg(desktop)]
impl<T> std::fmt::Display for ErrorResponse<T> {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        if let Some(code) = &self.code {
            write!(f, "[{code}]")?;
            if self.message.is_some() {
                write!(f, " - ")?;
            }
        }
        if let Some(message) = &self.message {
            write!(f, "{message}")?;
        }
        Ok(())
    }
}

/// Replica of the tauri::plugin::mobile::PluginInvokeError for desktop platforms.
#[cfg(desktop)]
#[derive(Debug, thiserror::Error)]
pub enum PluginInvokeError {
    /// Error returned from direct desktop plugin.
    #[error(transparent)]
    InvokeRejected(#[from] ErrorResponse),
    /// Failed to deserialize response.
    #[error("failed to deserialize response: {0}")]
    CannotDeserializeResponse(serde_json::Error),
    /// Failed to serialize request payload.
    #[error("failed to serialize payload: {0}")]
    CannotSerializePayload(serde_json::Error),
}

#[derive(Debug, thiserror::Error)]
pub enum Error {
    #[error(transparent)]
    Io(#[from] std::io::Error),
    #[cfg(mobile)]
    #[error(transparent)]
    PluginInvoke(#[from] tauri::plugin::mobile::PluginInvokeError),
    #[cfg(desktop)]
    #[error(transparent)]
    PluginInvoke(#[from] crate::error::PluginInvokeError),
}

impl Serialize for Error {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(self.to_string().as_ref())
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use std::io;

    #[test]
    fn test_io_error_conversion() {
        let io_err = io::Error::new(io::ErrorKind::NotFound, "file not found");
        let err: Error = io_err.into();
        assert!(matches!(err, Error::Io(_)));
    }

    #[test]
    fn test_io_error_serialization() {
        let io_err = io::Error::new(io::ErrorKind::PermissionDenied, "access denied");
        let err = Error::Io(io_err);
        let json = serde_json::to_string(&err).expect("Failed to serialize IO error");
        assert!(json.contains("access denied"));
    }

    #[test]
    fn test_io_error_display() {
        let io_err = io::Error::new(io::ErrorKind::NotFound, "test error");
        let err = Error::Io(io_err);
        let display_str = format!("{}", err);
        assert!(display_str.contains("test error"));
    }

    #[cfg(mobile)]
    #[test]
    fn test_plugin_invoke_error_conversion() {
        use tauri::plugin::mobile::PluginInvokeError;

        let plugin_err = PluginInvokeError::MethodNotFound("test_method".to_string());
        let err: Error = plugin_err.into();
        assert!(matches!(err, Error::PluginInvoke(_)));
    }

    #[test]
    fn test_result_type_err() {
        let io_err = io::Error::other("test");
        let result: Result<i32> = Err(Error::Io(io_err));
        assert!(result.is_err());
    }
}