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xmpp-parsers: Convert MAM prefs to xso

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Emmanuel Gil Peyrot 2024-08-04 21:29:23 +02:00 committed by Jonas Schäfer
parent 0d3e73ec74
commit e1da3410ba
1 changed files with 8 additions and 65 deletions
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73
parsers/src/mam_prefs.rs
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@ -4,11 +4,11 @@
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
use xso::{AsXml, FromXml};
use crate::iq::{IqGetPayload, IqResultPayload, IqSetPayload};
use crate::ns;
use jid::Jid;
use minidom::{Element, Node};
use xso::error::{Error, FromElementError};
generate_attribute!(
/// Notes the default archiving preference for the user.
@ -26,16 +26,20 @@ generate_attribute!(
);
/// Controls the archiving preferences of the user.
#[derive(Debug, Clone)]
#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
#[xml(namespace = ns::MAM, name = "prefs")]
pub struct Prefs {
/// The default preference for JIDs in neither
/// [always](#structfield.always) or [never](#structfield.never) lists.
#[xml(attribute = "default")]
pub default_: DefaultPrefs,
/// The set of JIDs for which to always store messages in the archive.
#[xml(extract(default, fields(extract(n = .., name = "jid", fields(text(type_ = Jid))))))]
pub always: Vec<Jid>,
/// The set of JIDs for which to never store messages in the archive.
#[xml(extract(default, fields(extract(n = .., name = "jid", fields(text(type_ = Jid))))))]
pub never: Vec<Jid>,
}
@ -43,72 +47,11 @@ impl IqGetPayload for Prefs {}
impl IqSetPayload for Prefs {}
impl IqResultPayload for Prefs {}
impl TryFrom<Element> for Prefs {
type Error = FromElementError;
fn try_from(elem: Element) -> Result<Prefs, FromElementError> {
check_self!(elem, "prefs", MAM);
check_no_unknown_attributes!(elem, "prefs", ["default"]);
let mut always = vec![];
let mut never = vec![];
for child in elem.children() {
if child.is("always", ns::MAM) {
for jid_elem in child.children() {
if !jid_elem.is("jid", ns::MAM) {
return Err(Error::Other("Invalid jid element in always.").into());
}
always.push(jid_elem.text().parse().map_err(Error::text_parse_error)?);
}
} else if child.is("never", ns::MAM) {
for jid_elem in child.children() {
if !jid_elem.is("jid", ns::MAM) {
return Err(Error::Other("Invalid jid element in never.").into());
}
never.push(jid_elem.text().parse().map_err(Error::text_parse_error)?);
}
} else {
return Err(Error::Other("Unknown child in prefs element.").into());
}
}
let default_ = get_attr!(elem, "default", Required);
Ok(Prefs {
default_,
always,
never,
})
}
}
fn serialise_jid_list(name: &str, jids: Vec<Jid>) -> ::std::option::IntoIter<Node> {
if jids.is_empty() {
None.into_iter()
} else {
Some(
Element::builder(name, ns::MAM)
.append_all(
jids.into_iter()
.map(|jid| Element::builder("jid", ns::MAM).append(jid)),
)
.into(),
)
.into_iter()
}
}
impl From<Prefs> for Element {
fn from(prefs: Prefs) -> Element {
Element::builder("prefs", ns::MAM)
.attr("default", prefs.default_)
.append_all(serialise_jid_list("always", prefs.always))
.append_all(serialise_jid_list("never", prefs.never))
.build()
}
}
#[cfg(test)]
mod tests {
use super::*;
use jid::BareJid;
use minidom::Element;
#[cfg(target_pointer_width = "32")]
#[test]