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use crate::{database::KeyValueDatabase, service, utils, Error, Result};
impl service::appservice::Data for KeyValueDatabase {
/// Registers an appservice and returns the ID to the caller
fn register_appservice(&self, yaml: serde_yaml::Value) -> Result<String> {
// TODO: Rumaify
let id = yaml.get("id").unwrap().as_str().unwrap();
self.id_appserviceregistrations.insert(
id.as_bytes(),
serde_yaml::to_string(&yaml).unwrap().as_bytes(),
)?;
self.cached_registrations
.write()
.unwrap()
.insert(id.to_owned(), yaml.to_owned());
Ok(id.to_owned())
}
/// Remove an appservice registration
///
/// # Arguments
///
/// * `service_name` - the name you send to register the service previously
fn unregister_appservice(&self, service_name: &str) -> Result<()> {
self.id_appserviceregistrations
.remove(service_name.as_bytes())?;
self.cached_registrations
.write()
.unwrap()
.remove(service_name);
Ok(())
}
fn get_registration(&self, id: &str) -> Result<Option<serde_yaml::Value>> {
self.cached_registrations
.read()
.unwrap()
.get(id)
.map_or_else(
|| {
self.id_appserviceregistrations
.get(id.as_bytes())?
.map(|bytes| {
serde_yaml::from_slice(&bytes).map_err(|_| {
Error::bad_database(
"Invalid registration bytes in id_appserviceregistrations.",
)
})
})
.transpose()
},
|r| Ok(Some(r.clone())),
)
}
fn iter_ids<'a>(&'a self) -> Result<Box<dyn Iterator<Item = Result<String>> + 'a>> {
Ok(Box::new(self.id_appserviceregistrations.iter().map(|(id, _)| {
utils::string_from_bytes(&id)
.map_err(|_| Error::bad_database("Invalid id bytes in id_appserviceregistrations."))
})))
}
fn all(&self) -> Result<Vec<(String, serde_yaml::Value)>> {
self.iter_ids()?
.filter_map(|id| id.ok())
.map(move |id| {
Ok((
id.clone(),
self.get_registration(&id)?
.expect("iter_ids only returns appservices that exist"),
))
})
.collect()
}
}
|
