stanza/src/xep_0172.rs


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use peanuts::{Element, FromElement, IntoElement};

pub const XMLNS: &str = "http://jabber.org/protocol/nick";

#[derive(Debug, Clone)]
pub struct Nick(pub String);

impl FromElement for Nick {
    fn from_element(mut element: peanuts::Element) -> peanuts::DeserializeResult<Self> {
        element.check_name("nick")?;
        element.check_namespace(XMLNS)?;

        Ok(Self(element.pop_value_opt()?.unwrap_or_default()))
    }
}

impl IntoElement for Nick {
    fn builder(&self) -> peanuts::ElementBuilder {
        let builder = Element::builder("nick", Some(XMLNS));

        if self.0.is_empty() {
            builder
        } else {
            builder.push_text(self.0.clone())
        }
    }
}