feat: search by uid

Closes #157

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/search/controller.dart

@@ -21,6 +21,8 @@ class SSearchController extends GetxController {
 
   int initIndex = 0;
 
+  RxBool showUidBtn = false.obs;
+
   @override
   void onInit() {
     super.onInit();
@@ -44,7 +46,12 @@ class SSearchController extends GetxController {
     }
   }
 
+  void validateUid() {
+    showUidBtn.value = RegExp(r'^\d+$').hasMatch(controller.text);
+  }
+
   void onChange(String value) {
+    validateUid();
     if (value.isEmpty) {
       searchSuggestList.clear();
     } else {
@@ -57,6 +64,7 @@ class SSearchController extends GetxController {
       controller.clear();
       searchSuggestList.clear();
       searchFocusNode.requestFocus();
+      showUidBtn.value = false;
     } else {
       Get.back();
     }
@@ -69,6 +77,7 @@ class SSearchController extends GetxController {
         return;
       }
       controller.text = hintText;
+      validateUid();
     }
 
     historyList.remove(controller.text);
@@ -98,6 +107,8 @@ class SSearchController extends GetxController {
 
   void onClickKeyword(String keyword) {
     controller.text = keyword;
+    validateUid();
+
     searchSuggestList.clear();
     submit();
   }

lib/pages/search/view.dart

@@ -29,6 +29,26 @@ class _SearchPageState extends State<SearchPage> with RouteAware {
           ),
         ),
         actions: [
+          Obx(
+            () => _searchController.showUidBtn.value
+                ? IconButton(
+                    tooltip: 'UID搜索用户',
+                    icon: const Icon(Icons.person_outline, size: 22),
+                    onPressed: () {
+                      if (RegExp(r'^\d+$')
+                          .hasMatch(_searchController.controller.text)) {
+                        Get.toNamed(
+                            '/member?mid=${_searchController.controller.text}');
+                      }
+                    },
+                  )
+                : const SizedBox.shrink(),
+          ),
+          IconButton(
+            tooltip: '清空',
+            icon: const Icon(Icons.clear, size: 22),
+            onPressed: _searchController.onClear,
+          ),
           IconButton(
             tooltip: '搜索',
             onPressed: () => _searchController.submit(),
@@ -46,11 +66,6 @@ class _SearchPageState extends State<SearchPage> with RouteAware {
           decoration: InputDecoration(
             hintText: _searchController.hintText,
             border: InputBorder.none,
-            suffixIcon: IconButton(
-              tooltip: '清空',
-              icon: const Icon(Icons.clear, size: 22),
-              onPressed: _searchController.onClear,
-            ),
           ),
           onSubmitted: (value) => _searchController.submit(),
         ),