Add repository file browser

crates/app/src/presentation.rs

@@ -116,6 +116,14 @@ pub struct FileRow {
     pub status: String,
 }
 
+#[derive(Clone, uniffi::Record)]
+pub struct RepositoryContentRow {
+    pub name: String,
+    pub path: String,
+    pub kind: String,
+    pub size: i64,
+}
+
 #[derive(Clone, uniffi::Record)]
 pub struct DiffLine {
     pub old_number: String,
@@ -422,6 +430,24 @@ pub fn commit_file_rows(files: Vec<models::CommitAffectedFiles>) -> Vec<FileRow>
         .collect()
 }
 
+pub fn repository_content_rows(
+    contents: Vec<models::ContentsResponse>,
+) -> Vec<RepositoryContentRow> {
+    let mut rows: Vec<_> = contents
+        .into_iter()
+        .filter_map(|content| {
+            Some(RepositoryContentRow {
+                name: content.name?,
+                path: content.path?,
+                kind: content.r#type.unwrap_or_else(|| "file".into()),
+                size: content.size.unwrap_or_default(),
+            })
+        })
+        .collect();
+    rows.sort_by_key(|row| (row.kind != "dir", row.name.to_lowercase()));
+    rows
+}
+
 pub fn diff_page(path: &str, diff: crate::diff::Parsed) -> DiffPage {
     DiffPage {
         title: path.rsplit('/').next().unwrap_or(path).into(),
@@ -758,6 +784,31 @@ pub fn compact_date(date: Option<&str>) -> String {
 mod tests {
     use super::*;
 
+    #[test]
+    fn repository_directories_sort_before_files() {
+        let contents = [
+            ("z.swift", "file"),
+            ("Sources", "dir"),
+            ("README.md", "file"),
+        ]
+        .into_iter()
+        .map(|(name, kind)| models::ContentsResponse {
+            name: Some(name.into()),
+            path: Some(name.into()),
+            r#type: Some(kind.into()),
+            ..Default::default()
+        })
+        .collect();
+
+        assert_eq!(
+            repository_content_rows(contents)
+                .into_iter()
+                .map(|row| row.name)
+                .collect::<Vec<_>>(),
+            ["Sources", "README.md", "z.swift"]
+        );
+    }
+
     #[test]
     fn maps_heat_levels_and_labels() {
         let heatmap = vec![