diff options
Diffstat (limited to 'src/commands.rs')
| -rw-r--r-- | src/commands.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/commands.rs b/src/commands.rs index 2653600..7ee8d83 100644 --- a/src/commands.rs +++ b/src/commands.rs @@ -15,11 +15,18 @@ pub enum Command { Room, } +/// This is the handler for the commands. +/// It's called by `teloxide` every time someone write `/<text>`. +/// +/// First it checks if the author is authorized to do the commands. Then match that text thanks to +/// the `parse` method of `BotCommand`. pub async fn handler( cx: UpdateWithCx<AutoSend<Bot>, Message>, ) -> Result<(), Box<dyn Error + Send + Sync>> { + // In the config file there's a key for the Telegram username authorized to use this bot. let username = Config::from_env().unwrap().username; + // Compare the author of the message with the Telegram username from the config if let Some(author) = &cx.update.from().unwrap().username { if *author != username { cx.reply_to("You are not allowed to do this action!") @@ -37,10 +44,16 @@ pub async fn handler( if let Ok(command) = BotCommand::parse(txt.unwrap(), "unict-reservation") { match command { Command::Help => { + // Just send the descriptions of all commands cx.answer(Command::descriptions()).await?; } Command::Room => { let faculties; + + // This is an array of array because the `InlineKeyboardMarkup` + // considers each array as a row. + // So, using this format Vec<Vec<..>> will print a button + // in `n` different rows in only 1 column. let mut faculties_array: Vec<Vec<InlineKeyboardButton>> = vec![]; unsafe { faculties = browser::get_faculties().await.unwrap(); @@ -54,12 +67,17 @@ pub async fn handler( )]); } } else { + // If the response of the Option `faculties` is None, just answer + // an useless button with a text. + // I still don't know if it's a good idea to use a callback instead of + // a normal text button, but I could handle any such kind of callback faculties_array.push(vec![InlineKeyboardButton::callback( "No such element".to_string(), "".into(), )]); } + // The `new` method accepts an interator let keyboard = InlineKeyboardMarkup::new(faculties_array); cx.answer("Where?").reply_markup(keyboard).await?; } |