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//! FIXME: write short doc here
use ra_assists::{resolved_assists, AssistAction, AssistLabel};
use ra_db::{FilePosition, FileRange};
use ra_ide_db::RootDatabase;
use crate::{FileId, SourceChange, SourceFileEdit};
pub use ra_assists::AssistId;
#[derive(Debug)]
pub struct Assist {
pub id: AssistId,
pub label: String,
pub group_label: Option<String>,
pub source_change: SourceChange,
}
pub(crate) fn assists(db: &RootDatabase, frange: FileRange) -> Vec<Assist> {
resolved_assists(db, frange)
.into_iter()
.map(|assist| {
let file_id = frange.file_id;
let assist_label = &assist.label;
Assist {
id: assist_label.id,
label: assist_label.label.clone(),
group_label: assist.group_label.map(|it| it.0),
source_change: action_to_edit(assist.action, file_id, assist_label),
}
})
.collect()
}
fn action_to_edit(
action: AssistAction,
file_id: FileId,
assist_label: &AssistLabel,
) -> SourceChange {
let file_id = match action.file {
ra_assists::AssistFile::TargetFile(it) => it,
_ => file_id,
};
let file_edit = SourceFileEdit { file_id, edit: action.edit };
SourceChange::source_file_edit(assist_label.label.clone(), file_edit)
.with_cursor_opt(action.cursor_position.map(|offset| FilePosition { offset, file_id }))
}
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