发消息修改

lib/constant.dart

@@ -0,0 +1,46 @@
+
+
+
+Map<S, List<T>> groupBy<S, T>(Iterable<T> values, S Function(T) key) {
+  var map = <S, List<T>>{};
+  for (var element in values) {
+    (map[key(element)] ??= []).add(element);
+  }
+  return map;
+}
+
+Map<String, int> groupCount<S, T>(Map<S, List<T>> values) {
+  var map = <String, int>{};
+  for (var element in values.keys) {
+    map["$element"] = values[element]?.length ?? 0;
+  }
+  return map;
+}
+
+Map<String, T> groupItem<S, T>(Map<S, List<T>> values) {
+  var map = <String, T>{};
+  for (var element in values.keys) {
+    if (values[element] == null) {
+      continue;
+    }
+    map["$element"] = values[element].first;
+  }
+  return map;
+}
+
+
+extension ListExtension<S, T> on Iterable<T> {
+
+  Map<S, List<T>> lGroupBy(S Function(T) key) {
+    return groupBy(this, key);
+  }
+
+}
+
+extension MapExtension<S, T> on Map<S, List<T>> {
+
+  Map<String, int> get mGroupCount => groupCount(this);
+
+  Map<String, T> get mGroupItem => groupItem(this);
+
+}

lib/im/chat_details_page.dart

@@ -64,13 +64,12 @@ class _ChatDetailsPage extends State<ChatDetailsPage>
 
   loadMessageList() async {
     selfUserId = (await SharedPreferences.getInstance()).getString("userId");
-
     toUserId = widget.arguments["toId"];
+    await hxDatabase.readMessage(selfUserId, toUserId);
     messages = await hxDatabase.queryUList(toUserId);
 
     socketClient.addCallback(toUserId, (Message message) {
       messages.add(message);
-
       refreshState();
     });
     refreshState();

lib/im/database/hx_database.dart

@@ -1,5 +1,6 @@
 
 import 'package:flutter/cupertino.dart';
+import 'package:huixiang/constant.dart';
 import 'package:huixiang/im/database/contact.dart';
 import 'package:huixiang/im/database/message.dart';
 import 'package:huixiang/im/database/migration.dart';
@@ -86,6 +87,19 @@ class HxDatabase {
     });
   }
 
+  Future<Map<String, int>> messageUnreadCount(List<String> userIds, String selfUserId) async {
+    if (db == null) {
+      return Future.value({});
+    }
+    String sql = 'SELECT * FROM Message WHERE fromId IN (?) AND toId = ? AND state = 0 AND isDelete = 0';
+    List<Message> messages = await db.rawQuery(sql, [userIds, selfUserId]).then((value) {
+      return value.map((e) => Message.fromJson(e)).toList();
+    }, onError: (error) {
+      debugPrint("Message-error: $error");
+    });
+    return messages.lGroupBy((p)=> p.fromId).mGroupCount;
+  }
+
   Future<List<Map>> queryListAll() {
     if (db == null) {
       return Future.value();
@@ -114,6 +128,14 @@ class HxDatabase {
     return db.insert("Message", message);
   }
 
+  /// update message read state
+  readMessage(String selfUserId, String userId) {
+    if (db == null) {
+      return Future.value(<Message>[]);
+    }
+    db.update("Message", {"state": 1}, where: "fromId = ? AND toId = ? AND state = 0 AND isDelete = 0", whereArgs: [userId, selfUserId]);
+  }
+
   Future<int> insertContact(Map contactMap) async {
     if (db == null) {
       return Future.value(0);

lib/im/database/message.dart

@@ -16,6 +16,7 @@ class Message {
 
   String time;
 
+  /// 0 unread, 1 read, 2
   int state;
 
   int isDelete;

lib/im/im_view/im_page.dart

@@ -4,6 +4,7 @@ import 'dart:collection';
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:huixiang/constant.dart';
 import 'package:huixiang/generated/l10n.dart';
 import 'package:huixiang/im/database/contact.dart';
 import 'package:huixiang/im/database/message.dart';
@@ -81,6 +82,7 @@ class _IMPage extends State<IMPage> implements OnChatMessage {
   List<String> userIds = [];
   Map<String, Contact> contactMap = {};
   Map<String, Message> lastMessageMap = {};
+  Map<String, int> unreadCountMap = {};
   Stream streamSubscription ;
 
   loadMessageList() async {
@@ -115,7 +117,8 @@ class _IMPage extends State<IMPage> implements OnChatMessage {
         .toSet().where((element) => element != userId)
         .toList();
 
-    lastMessageMap = groupBy(messages, (p0) => p0.toId != userId ? p0.toId : p0.fromId);
+    unreadCountMap = await hxDatabase.messageUnreadCount(userIds, userId);
+    lastMessageMap = messages.lGroupBy((p0) => p0.toId != userId ? p0.toId : p0.fromId).mGroupItem;
 
     List<Contact> contacts = await hxDatabase.queryContact(userIds);
     if (contacts?.isEmpty ?? false) {
@@ -192,8 +195,9 @@ class _IMPage extends State<IMPage> implements OnChatMessage {
         token: value.getString("token"),
       );
     }
-    BaseData<List<MsgStats>> baseData =
-        await apiService.stats().catchError((onError) {});
+    BaseData<List<MsgStats>> baseData = await apiService.stats().catchError((onError) {
+      debugPrint("stats.error: $onError");
+    });
     if (baseData != null && baseData.isSuccess) {
       setState(() {
         msgNumber.forEach((key, value) {