Add register functions

src/bots/bots_manager/utils.rs

@@ -0,0 +1,56 @@
+use regex::Regex;
+
+
+pub fn get_token(message_text: &str) -> Option<&str> {
+    let re = Regex::new("(?P<token>[0-9]+:[0-9a-zA-Z-_]+)").unwrap();
+
+    match re.find(message_text) {
+        Some(v) => Some(v.as_str()),
+        None => None
+    }
+}
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn check_token_fail() {
+        let message = "wrong_token";
+
+        let result = get_token(message);
+
+        assert!(result.is_none())
+    }
+
+    #[test]
+    fn check_token_short() {
+        let message = "
+        Done! Congratulations on your new bot. You will find it at t.me/aaaa_bot.
+        You can now add a description, about section and profile picture for your bot,
+        see /help for a list of commands.
+        By the way, when you've finished creating your cool bot, ping our Bot Support if you want a better username for it.
+        Just make sure the bot is fully operational before you do this. \
+        \
+        Use this token to access the HTTP API: \
+        5555555555:AAF-AAAAAAAA1239AA2AAsvy13Axp23RAa \
+        Keep your token secure and store it safely, it can be used by anyone to control your bot. \
+        \
+        For a description of the Bot API, see this page: https://core.telegram.org/bots/api \
+        ";
+
+        let result = get_token(message);
+
+        assert_eq!(result.unwrap(), "5555555555:AAF-AAAAAAAA1239AA2AAsvy13Axp23RAa");
+    }
+
+    #[test]
+    fn check_token_long() {
+        let message = "5555555555:AAF-AAAAAAAA1239AA2AAsvy13Axp23RAa";
+
+        let result = get_token(message);
+
+        assert_eq!(result.unwrap(), message);
+    }
+}