peer card batch operation

Signed-off-by: 21pages <pages21@163.com>

flutter/lib/models/ab_model.dart

@@ -131,6 +131,12 @@ class AbModel {
     peers.add(peer);
   }
 
+  void addPeers(List<Peer> ps) {
+    for (var p in ps) {
+      addPeer(p);
+    }
+  }
+
   void addTag(String tag) async {
     if (tagContainBy(tag)) {
       return;
@@ -146,6 +152,14 @@ class AbModel {
     it.first.tags = tags;
   }
 
+  void changeTagForPeers(List<String> ids, List<dynamic> tags) {
+    peers.map((e) {
+      if (ids.contains(e.id)) {
+        e.tags = tags;
+      }
+    }).toList();
+  }
+
   Future<void> pushAb() async {
     debugPrint("pushAb");
     final api = "${await bind.mainGetApiServer()}/api/ab";
@@ -192,6 +206,10 @@ class AbModel {
     peers.removeWhere((element) => element.id == id);
   }
 
+  void deletePeers(List<String> ids) {
+    peers.removeWhere((e) => ids.contains(e.id));
+  }
+
   void deleteTag(String tag) {
     gFFI.abModel.selectedTags.remove(tag);
     tags.removeWhere((element) => element == tag);