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