From 2451e7c59d8f2f5648c13ac567876270a845c970 Mon Sep 17 00:00:00 2001
From: dingjinfeng <dingjinfeng@bytedance>
Date: Mon, 13 Apr 2026 12:00:30 +0800
Subject: [PATCH] feat: add size sort toggle button to category detail view

Add a sort button (arrow.up.arrow.down icon) to the right of "Deselect All",
defaulting to largest-first. Clicking toggles between descending/ascending
order without changing the icon.

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
---
 PureMac/Views/CategoryDetailView.swift | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/PureMac/Views/CategoryDetailView.swift b/PureMac/Views/CategoryDetailView.swift
index 3f3e965..92bf7dc 100644
--- a/PureMac/Views/CategoryDetailView.swift
+++ b/PureMac/Views/CategoryDetailView.swift
@@ -1,9 +1,12 @@
 import SwiftUI
 
+
 struct CategoryDetailView: View {
     @EnvironmentObject var vm: AppViewModel
     let category: CleaningCategory
 
+    @State private var sortDescending: Bool = true
+
     var result: CategoryResult? {
         vm.categoryResults[category]
     }
@@ -109,6 +112,14 @@ struct CategoryDetailView: View {
                 .font(.system(size: 11, weight: .medium))
                 .foregroundColor(.pmAccentLight)
                 .buttonStyle(.plain)
+
+                Button(action: { sortDescending.toggle() }) {
+                    Image(systemName: "arrow.up.arrow.down")
+                        .font(.system(size: 14))
+                        .foregroundColor(.pmAccentLight)
+                }
+                .buttonStyle(.plain)
+                .help(sortDescending ? "Sorted: Largest First" : "Sorted: Smallest First")
             }
             .padding(.horizontal, 48)
             .padding(.vertical, 8)
@@ -119,7 +130,7 @@ struct CategoryDetailView: View {
 
             ScrollView {
                 LazyVStack(spacing: 4) {
-                    ForEach(result.items) { item in
+                    ForEach(sortedItems(result.items)) { item in
                         FileRow(item: item, color: category.color)
                     }
                 }
@@ -173,6 +184,12 @@ struct CategoryDetailView: View {
         }
     }
 
+    // MARK: - Sort
+
+    private func sortedItems(_ items: [CleanableItem]) -> [CleanableItem] {
+        items.sorted { sortDescending ? $0.size > $1.size : $0.size < $1.size }
+    }
+
     // MARK: - Action Bar
 
     private var categoryActionBar: some View {