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@kilroyjones
Created July 31, 2020 07:02
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Async openweather example
async fn get_response(location: &str) -> Result<String, reqwest::Error> {
let base_http = "https://api.openweathermap.org/data/2.5/weather?q=".to_string();
let units = "metric";
let addr = base_http + &location + "&appid=" + API_KEY + "&units=" + &units;
let json = reqwest::get(&addr)
.await?
.text()
.await?;
Ok(json)
}
async fn parse_json(json: &str) -> Result<OpenWeatherData, serde_json::error::Error> {
let data: OpenWeatherData = serde_json::from_str(&json.to_string())?;
Ok(data)
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let response = get_response("Taipei").await;
let json = match response {
Ok(test) => test,
Err(_) => "Error in processing".to_string(),
};
println!("{}", json);
let weather_data = parse_json(&json).await;
match weather_data {
Ok(data) => println!("{}", data.main.temp),
Err(_) => println!("Error in parsing"),
};
Ok(())
}
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