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use crate::raw_ptr::{LogLevel, TdPtr};
use crate::update::Handler;
/// Build client with some options.
///
/// This builder will execute functions as soon as builder functions will be called
///
/// e.g. if you call [`ClientBuilder::log_level`], it will immediately call
/// underlying API to change logging in TDLib, as it will be done globally
/// disregarding actual TDLib client being used, if any
#[derive(Debug)]
pub struct ClientBuilder<H: Handler> {
// need Option here to transfer ownership to client, when building
handler: Option<H>,
timeout: f64,
}
impl<H: Handler> ClientBuilder<H> {
/// Create new `ClientBuilder` with update handler
pub fn new(handler: H) -> Self {
Self {
handler: Some(handler),
timeout: 10.0,
}
}
/// Set up internal TDLib logging level.
///
/// See also [`LogLevel`] doc for explanation of logging levels.
/// By default, logging level will be [`LogLevel::Verbose`]
pub fn log_level<'a>(&'a mut self, level: LogLevel) -> &'a mut Self {
TdPtr::set_log_verbosity_level(level)
.map_err(|err| log::error!("failed to set TDLib log level: {}", err))
.ok();
self
}
/// Set up internal TDLib logging file size.
/// Sets the maximum size of the file to where the internal TDLib log is written
/// before the file will be auto-rotated. Unused if log is not written to a file.
/// Defaults to 10 MB.
/// Should be positive.
pub fn log_max_size(&mut self, size: i64) -> &mut Self {
TdPtr::set_log_max_file_size(size);
self
}
/// Sets the path to the file where the internal TDLib log will be written.
/// By default TDLib writes logs to stderr or an OS specific log.
/// Use this method to write the log to a file instead.
pub fn log_file<S: AsRef<str>>(&mut self, file: S) -> &mut Self {
TdPtr::set_log_file_path(file).unwrap();
self
}
/// Reset file of internal TDLib logging.
/// TDLib will revert to default logging behaviour (log to stderr)
pub fn log_reset_file(&mut self) -> &mut Self {
TdPtr::reset_log_file_path().unwrap();
self
}
/// Set timeout for receiver.
/// Usually, you do not want to customize this
pub fn receive_timeout(&mut self, timeout: f64) -> &mut Self {
self.timeout = timeout;
self
}
/// Build client
pub fn build(&mut self) -> crate::client::Client {
// this unwrap is safe, because handler is always Some in `new`
// and cannot be mutated during building
crate::Client::new(self.handler.take().unwrap(), self.timeout)
}
}
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