feat: issue import changes request during willRenameFiles (#648)

* feat: issue import changes request during `willRenameFiles`

* test: update snapshot

* fix: snapshot

crates/tinymist-query/src/will_rename_files.rs

@@ -0,0 +1,65 @@
+use lsp_types::ChangeAnnotation;
+
+use crate::{do_rename_file, edits_to_document_changes, prelude::*};
+
+/// Handle [`workspace/willRenameFiles`] request is sent from the client to the
+/// server.
+///
+/// [`workspace/willRenameFiles`]: https://microsoft.github.io/language-server-protocol/specification#workspace_willRenameFiles
+#[derive(Debug, Clone)]
+pub struct WillRenameFilesRequest {
+    /// rename paths from `left` to `right`
+    pub paths: Vec<(PathBuf, PathBuf)>,
+}
+
+impl StatefulRequest for WillRenameFilesRequest {
+    type Response = WorkspaceEdit;
+
+    fn request(
+        self,
+        ctx: &mut AnalysisContext,
+        _doc: Option<VersionedDocument>,
+    ) -> Option<Self::Response> {
+        let mut edits: HashMap<Url, Vec<TextEdit>> = HashMap::new();
+
+        self.paths
+            .into_iter()
+            .map(|(left, right)| {
+                let diff = pathdiff::diff_paths(&right, &left)?;
+                log::info!("did rename diff: {diff:?}");
+                if diff.is_absolute() {
+                    log::info!(
+                        "bad rename: absolute path, base: {left:?}, new: {right:?}, diff: {diff:?}"
+                    );
+                    return None;
+                }
+
+                let def_fid = ctx.file_id_by_path(&left).ok()?;
+                log::info!("did rename def_fid: {def_fid:?}");
+
+                do_rename_file(ctx, def_fid, diff, &mut edits)
+            })
+            .collect::<Option<Vec<()>>>()?;
+        log::info!("did rename edits: {edits:?}");
+        let document_changes = edits_to_document_changes(edits);
+        if document_changes.is_empty() {
+            return None;
+        }
+
+        let mut change_annotations = HashMap::new();
+        change_annotations.insert(
+            "Typst Rename Files".to_string(),
+            ChangeAnnotation {
+                label: "Typst Rename Files".to_string(),
+                needs_confirmation: Some(true),
+                description: Some("Rename files should update imports".to_string()),
+            },
+        );
+
+        Some(WorkspaceEdit {
+            changes: None,
+            document_changes: Some(lsp_types::DocumentChanges::Operations(document_changes)),
+            change_annotations: Some(change_annotations),
+        })
+    }
+}