tg-api 0.4.3

Unofficial Telegram API Library
Documentation 
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use reqwest::blocking::Client;
use serde_json::Value;

pub fn get(base_url: &String, offset: Option<u64>) -> Result<Value, &'static str> {
    let reqwest = Client::new();
    let offset = match offset {
        Some(offset) => {
            format!("?offset={}", offset)
        }
        None => String::from(""),
    };

    let response = match reqwest
        .get(format!("{}/getUpdates{}", base_url, offset))
        .send()
    {
        Ok(result) => {
            if result.status() == 401 {
                return Err("Invalid token");
            }
            let value: Value = result.json().unwrap();
            if value["description"].to_string().contains("chat not found") {
                return Err("No chat found with the given ID");
            }
            value
        }
        Err(_) => return Err("Failed to send the request to telegram."),
    };

    Ok(response)
}