Can search for users

lib/forez/ui/routes/search_users.dart

@@ -0,0 +1,53 @@
+import 'package:comunic/lists/users_list.dart';
+import 'package:comunic/models/user.dart';
+import 'package:comunic/ui/widgets/account_image_widget.dart';
+import 'package:flutter/material.dart';
+
+/// Search for users
+///
+/// @author Pierre Hubert
+
+Future<User> searchUser(BuildContext context, UsersList users) async {
+  return await showSearch<User>(
+      context: context, delegate: _SearchDelegate(users));
+}
+
+class _SearchDelegate extends SearchDelegate<User> {
+  final UsersList _usersList;
+
+  _SearchDelegate(this._usersList) : assert(_usersList != null);
+
+  @override
+  List<Widget> buildActions(BuildContext context) => null;
+
+  @override
+  Widget buildLeading(BuildContext context) => IconButton(
+        icon: Icon(Icons.arrow_back),
+        onPressed: () => this.close(context, null),
+      );
+
+  @override
+  Widget buildSuggestions(BuildContext context) {
+    final list = _usersList
+        .where((element) =>
+            element.fullName.toLowerCase().contains(query.toLowerCase()))
+        .toList();
+
+    return ListView.builder(
+        itemCount: list.length,
+        itemBuilder: (c, i) {
+          final e = list[i];
+          return ListTile(
+            title: Text(e.fullName),
+            leading: AccountImageWidget(user: e),
+            onTap: () {
+              query = e.fullName;
+              close(context, e);
+            },
+          );
+        });
+  }
+
+  @override
+  Widget buildResults(BuildContext context) => Container();
+}