未读消息个数

application/chat/controller/AppChat.php

@@ -23,6 +23,7 @@ use app\model\HouseImgs;
 use app\model\HouseinfoExts;
 use app\model\HouseInfos;
 use think\Cache;
+use think\Exception;
 use Think\Log;
 
 class AppChat extends Basic
@@ -323,13 +324,31 @@ class AppChat extends Basic
         $params = $this->params;
        /* $params = array(
             "target"        => "agent_5739",
-              "is_user"=> 0,//0用户1经纪人
+            "is_user"       => 0,//0用户1经纪人
+            "relation_list" => '[ { "r_id" : 12, "msg_id" : 111}, { "r_id" : 11, "msg_id" : 111}]',
         );*/
         if (!isset($params['target']) || !isset($params["is_user"])) {
             return $this->response("300", "参数不全");
         }
         $target  = $params["target"];
-        $relationList = $this->_chat->getRelationList($target,$params["is_user"]);
+        $is_user = $params["is_user"];
+
+        $relation_list = null;
+        if (!empty($params["relation_list"])) {
+            try {
+                $relation_ = json_decode($params["relation_list"], true);
+                dump($relation_);
+                foreach ($relation_ as $item){
+                    $relation_list[$item["r_id"]][] = $item;
+                }
+            } catch (Exception $exception) {
+                return $this->response("101", "解析关系异常：" . $exception);
+            }
+
+        }
+
+dump($relation_list);
+        $relationList = $this->_chat->getRelationList($target, $is_user, $relation_list);
 
         return $this->response("200", "success", $relationList);
 

application/chat/service/ChatService.php

@@ -21,6 +21,7 @@ use app\model\ChatRelation;
 use app\model\ChatUser;
 use app\model\ChatUserExt;
 use app\model\Users;
+use think\Exception;
 
 class ChatService
 {
@@ -381,12 +382,13 @@ class ChatService
     /**获取聊天列表
      * @param $target
      * @param $is_user
+     * @param $relation_list
      * @return array
      * * @throws \think\db\exception\DataNotFoundException
      * @throws \think\db\exception\ModelNotFoundException
      * @throws \think\exception\DbException
      */
-    public function getRelationList($target, $is_user)
+    public function getRelationList($target, $is_user, $relation_list)
     {
         $chatRelationModel = new ChatRelation();
         $params["target"]  = $target;
@@ -420,6 +422,21 @@ class ChatService
             $select_["from"]         = $item["from_id"];
             $select_["target"]       = $item["to_id"];
             $chat_info               = $msgModel->getChatHistory($select_, $fields, 1, 1);
+
+            if (!empty($relation_list)) {
+                $where_ = $select_;
+
+                try {
+                    $where_["id"] = array( "between", array( $relation_list[$item["id"]][0]["msg_id"], $chat_info[0]["id"] ) );
+                    //计算未读消息个数
+                    $unread_count = $msgModel->getTotalUnread($where_, "id");
+                    $result[$key]["unread"] = $unread_count;
+                } catch (Exception $exception) {
+                    $result[$key]["unread"] = 0;
+                }
+
+            }
+
             if (count($chat_info) > 0) {
                 $result[$key]["chat_info"] = $chat_info[0];
             } else {
@@ -430,6 +447,7 @@ class ChatService
         return $this->sortByTime(array_values($result));
     }
 
+
     private function sortByTime($result)
     {
         for ($i = 0; $i < count($result); $i++) {

application/model/ChatMsg.php

@@ -78,4 +78,31 @@ class ChatMsg extends Model
         return $data;
     }
 
+    public function getTotalUnread($params, $field){
+
+        if (isset($params["from"])) {
+            $where_["a.from_id"] = $params["from"];
+            $where_or["a.to_id"] = $params["from"];
+        }
+        if (isset($params["target"])) {
+            $where_["a.to_id"]     = $params["target"];
+            $where_or["a.from_id"] = $params["target"];
+        }
+        if (isset($params["id"])) {
+            $where_["a.id"] = $params["id"];
+        }
+
+        $where_["a.is_del"] = 0;
+        $data = $this->db->field($field)
+            ->alias("a")
+            ->join('chat_msg_ext b', 'a.id = b.msg_id', 'LEFT')
+            ->where($where_)
+            ->whereOr(function ($query) use ($where_or) {
+                $query->where($where_or);
+            })
+            ->order("a.created_at desc")
+            ->count();
+        return $data;
+    }
+
 }
\ No newline at end of file