朋友圈发布的图片合并一张图

app/enterprise/controller/Posts.php

@@ -137,12 +137,26 @@ class Posts extends BaseController
             ['status', '=', 1],
             ['delete_time', '=', 0]
         ];
-        $field = 'id,content,location,address,type,user_id,create_time,privacy';
+        $field = 'id,content,location,address,type,user_id,create_time,privacy,avatar';
         $data = (new PostsModel())->where($where)->field($field)->find();
         if (!$data) {
             return warning(lang('system.error'));
         }
-        $data['files'] = PostsFile::getPostsFile($data['id']);
+
+        $src = '';
+        if (empty($data['avatar'])) {
+            $data['files'] = PostsFile::getPostsFile($data['id']);
+            if (strpos('2',$data['type']) !== false && count($data['files']) > 1) {
+                $imageFileArr = array_column($data['files'], 'src');
+                $src = PostsModel::createPostsAvatar($data['posts_id'], $imageFileArr);
+            }
+        } else {
+            $src = $data['avatar'];
+        }
+        if ($src) {
+            $data['files'][] = ['file_id' => 0, 'type' => 1, 'src' => $src];
+        }
+
         $friendIds = Friend::getFriendIds($this->uid);
         $friendIds[] = $this->uid;
 
@@ -152,6 +166,10 @@ class Posts extends BaseController
 
         $data['comment'] = Comment::getPostsComment($data['id'], $this->uid, $friendIds);
 
+        $data['user'] = $this->getFriendUserInfo($data['user_id']);
+
+        unset($data['avatar']);
+
         return success('', $data);
     }
 
@@ -265,6 +283,7 @@ class Posts extends BaseController
                         $key + 1
                     );
                 }
+                PostsModel::createAvatar($posts_id);
             } elseif ($video_file && $poster_file) {
                 $fileSaveArr = $this->addPostsFileData(
                     $video_file,

app/enterprise/model/Posts.php

@@ -3,8 +3,46 @@
 namespace app\enterprise\model;
 
 use app\BaseModel;
+use app\common\controller\Upload;
 
 class Posts extends BaseModel
 {
 
+    // 创建朋友圈头像
+    public static function createAvatar($posts_id)
+    {
+        $PostsFile = PostsFile::where(['posts_id' => $posts_id])->field('file_id')->select();
+        if (count($PostsFile) > 1) {
+            $imgFileIdArr = array_column($PostsFile, 'file_id');
+            $imgFileArr = [];
+            foreach ($imgFileIdArr as $file_id) {
+                $src = File::where('file_id', '=', $file_id)->value('src');
+                if ($src) {
+                    $imgFileArr[] = $src;
+                }
+            }
+            if (count($imgFileArr) > 1) {
+                self::createPostsAvatar($posts_id,$imgFileArr);
+            }
+        }
+    }
+
+    // 生成朋友圈头像
+    public static function createPostsAvatar($posts_id, $imageFileArr)
+    {
+        $dirPath=app()->getRootPath().'public/temp';
+        $fileName = $posts_id . time();
+        $path=$dirPath.'/'.$fileName.'.jpg';
+        $avatar = getGroupAvatar($imageFileArr,1, $path);
+        $url='';
+        if($avatar){
+            $upload=new Upload();
+            $newPath=$upload->uploadLocalAvatar($path,[],$posts_id);
+            if($newPath){
+                self::where('id',$posts_id)->update(['avatar'=>$newPath]);
+                $url=avatarUrl($newPath);
+            }
+        }
+        return $url;
+    }
 }