ab: full check for adding peers from recent/batch operation

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

flutter/lib/common/widgets/peer_tab_page.dart

@@ -405,10 +405,18 @@ class _PeerTabPageState extends State<PeerTabPage>
           !gFFI.userModel.isLogin || model.currentTab == PeerTabIndex.ab.index,
       child: InkWell(
         onTap: () {
+          if (gFFI.abModel.isFull(true)) {
+            return;
+          }
           final peers = model.selectedPeers;
           gFFI.abModel.addPeers(peers);
-          gFFI.abModel.pushAb();
+          final future = gFFI.abModel.pushAb();
           model.setMultiSelectionMode(false);
+          Future.delayed(Duration.zero, () async {
+            await future;
+            await Future.delayed(Duration(seconds: 2)); // toast
+            gFFI.abModel.isFull(true);
+          });
         },
         child: Tooltip(
                 message: translate('Add to Address Book'),

flutter/lib/models/ab_model.dart

@@ -163,10 +163,16 @@ class AbModel {
     }
   }
 
-  void addPeers(List<Peer> ps) {
+  bool addPeers(List<Peer> ps) {
+    bool allAdded = true;
     for (var p in ps) {
-      addPeer(p);
+      if (!isFull(false)) {
+        addPeer(p);
+      } else {
+        allAdded = false;
+      }
     }
+    return allAdded;
   }
 
   void addTag(String tag) async {
@@ -419,9 +425,11 @@ class AbModel {
         var r = recents[i];
         var index = peers.indexWhere((e) => e.id == r.id);
         if (index < 0) {
-          peers.add(r);
-          syncChanged = true;
-          uiChanged = true;
+          if (!isFull(false)) {
+            peers.add(r);
+            syncChanged = true;
+            uiChanged = true;
+          }
         } else {
           if (!r.equal(peers[index])) {
             uiChanged = true;