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extern crate serde_json;
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct User {
pub id: String,
pub name: String,
pub handle: String
}
impl Default for User {
fn default() -> User {
User {
id: "".to_owned(),
name: "_default_".to_owned(),
handle: "_default_".to_owned()
}
}
}
impl User {
pub fn from_json(json: serde_json::Value) -> Result<User, String> {
if let serde_json::Value::Object(json_map) = json {
if let (
Some(id_str),
Some(name),
Some(screen_name)
) = (
json_map.get("id_str").and_then(|x| x.as_str()),
json_map.get("name").and_then(|x| x.as_str()),
json_map.get("screen_name").and_then(|x| x.as_str())
) {
Ok(User {
id: id_str.to_owned(),
name: name.to_owned(),
handle: screen_name.to_owned()
})
} else {
Err("user json missing one of id_str, name, screen_name".to_owned())
}
} else {
Err(format!("Invalid json: {:?}", json))
}
}
}
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