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36 lines
1.1 KiB
Rust
36 lines
1.1 KiB
Rust
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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use super::RevlogEntry;
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use crate::{prelude::*, undo::Undo};
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#[derive(Debug)]
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pub(crate) struct RevlogAdded(RevlogEntry);
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#[derive(Debug)]
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pub(crate) struct RevlogRemoved(RevlogEntry);
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impl Undo for RevlogAdded {
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fn undo(self: Box<Self>, col: &mut Collection) -> Result<()> {
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col.storage.remove_revlog_entry(self.0.id)?;
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col.save_undo(Box::new(RevlogRemoved(self.0)));
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Ok(())
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}
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}
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impl Undo for RevlogRemoved {
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fn undo(self: Box<Self>, col: &mut Collection) -> Result<()> {
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col.storage.add_revlog_entry(&self.0, false)?;
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col.save_undo(Box::new(RevlogAdded(self.0)));
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Ok(())
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}
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}
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impl Collection {
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/// Add the provided revlog entry, modifying the ID if it is not unique.
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pub(crate) fn add_revlog_entry_undoable(&mut self, mut entry: RevlogEntry) -> Result<RevlogID> {
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entry.id = self.storage.add_revlog_entry(&entry, true)?;
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let id = entry.id;
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self.save_undo(Box::new(RevlogAdded(entry)));
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Ok(id)
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}
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}
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