Anki/rslib/src/backend/deckconfig.rs
Damien Elmes 6b0fe4b381 undoable ops now return changes directly; add new *_ops.py files
- Introduced a new transact() method that wraps the return value
in a separate struct that describes the changes that were made.
- Changes are now gathered from the undo log, so we don't need to
guess at what was changed - eg if update_note() is called with identical
note contents, no changes are returned. Card changes will only be set
if cards were actually generated by the update_note() call, and tag
will only be set if a new tag was added.
- mw.perform_op() has been updated to expect the op to return the changes,
or a structure with the changes in it, and it will use them to fire the
change hook, instead of fetching the changes from undo_status(), so there
is no risk of race conditions.
- the various calls to mw.perform_op() have been split into separate
files like card_ops.py. Aside from making the code cleaner, this works
around a rather annoying issue with mypy. Because we run it with
no_strict_optional, mypy is happy to accept an operation that returns None,
despite the type signature saying it requires changes to be returned.
Turning no_strict_optional on for the whole codebase is not practical
at the moment, but we can enable it for individual files.

Still todo:
- The cursor keeps moving back to the start of a field when typing -
we need to ignore the refresh hook when we are the initiator.
- The busy cursor icon should probably be delayed a few hundreds ms.
- Still need to think about a nicer way of handling saveNow()
- op_made_changes(), op_affects_study_queue() might be better embedded
as properties in the object instead
2021-03-19 19:45:21 +10:00

60 lines
2 KiB
Rust

// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
use super::Backend;
use crate::{
backend_proto as pb,
deckconf::{DeckConf, DeckConfSchema11},
prelude::*,
};
pub(super) use pb::deckconfig_service::Service as DeckConfigService;
impl DeckConfigService for Backend {
fn add_or_update_deck_config_legacy(
&self,
input: pb::AddOrUpdateDeckConfigLegacyIn,
) -> Result<pb::DeckConfigId> {
let conf: DeckConfSchema11 = serde_json::from_slice(&input.config)?;
let mut conf: DeckConf = conf.into();
self.with_col(|col| {
col.transact_no_undo(|col| {
col.add_or_update_deck_config(&mut conf, input.preserve_usn_and_mtime)?;
Ok(pb::DeckConfigId { dcid: conf.id.0 })
})
})
.map(Into::into)
}
fn all_deck_config_legacy(&self, _input: pb::Empty) -> Result<pb::Json> {
self.with_col(|col| {
let conf: Vec<DeckConfSchema11> = col
.storage
.all_deck_config()?
.into_iter()
.map(Into::into)
.collect();
serde_json::to_vec(&conf).map_err(Into::into)
})
.map(Into::into)
}
fn get_deck_config_legacy(&self, input: pb::DeckConfigId) -> Result<pb::Json> {
self.with_col(|col| {
let conf = col.get_deck_config(input.into(), true)?.unwrap();
let conf: DeckConfSchema11 = conf.into();
Ok(serde_json::to_vec(&conf)?)
})
.map(Into::into)
}
fn new_deck_config_legacy(&self, _input: pb::Empty) -> Result<pb::Json> {
serde_json::to_vec(&DeckConfSchema11::default())
.map_err(Into::into)
.map(Into::into)
}
fn remove_deck_config(&self, input: pb::DeckConfigId) -> Result<pb::Empty> {
self.with_col(|col| col.transact_no_undo(|col| col.remove_deck_config(input.into())))
.map(Into::into)
}
}