community-service/app/Repositories/FeedRepositories.php

<?php
/**
 * Created by PhpStorm.
 * User: edz
 * Date: 2019-06-10
 * Time: 17:53
 */

namespace App\Repositories;


use App\Models\Behavior;
use App\Models\Feed;
use App\Models\PostComment;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redis;
use Tymon\JWTAuth\Facades\JWTAuth;
use App\Models\PostDislike;
use App\Models\PostLike;
use App\Models\PostCollect;
use App\Traits\UserTrait;

class FeedRepositories
{
    use UserTrait;

    public function __construct(PostRepositories $postRepositories, PostComment $postComment)
    {
        $this->postRepositories = $postRepositories;
        $this->postComment = $postComment;
    }

    public function getFeedType($action)
    {
        $type = [
            'like' => 1,
            'forward' => 2,
            'collect' => 3,
            'comment' => 4,
            'focus' => 5,
            'publish' => 6
        ];
        return isset($type[$action]) ? $type[$action] : 0;
    }

    /**
     *  创建feed流
     *  更新帖子统计数
     * @param $request
     */
    public function contentCreate($request)
    {
        $this->feedCreate($request);
        //关注操作不需要调用
        if ($request['behavior_flag'] != 'focus') {
            $this->postRepositories->updatePostData($request);
        }
    }


    /**
     * 创建feed流内容
     * @param $request
     */
    public function feedCreate($request)
    {
        Log::debug('创建Feed流-请求参数:' . json_encode($request));
        $fans = isset($request['fans']) ? $request['fans'] : [];
        if (empty($fans)) {//没有粉丝，不用插入
            Log::debug('创建Feed流-没有粉丝，不用创建相关feed流');
            return true;
        }
        $behaviorFlag = isset($request['behavior_flag']) ? $request['behavior_flag'] : '';
        $feedType = $this->getFeedType($behaviorFlag);
        Log::debug('创建Feed流-feed类型:' . $feedType);
        if ($feedType) {
            $data = [];
            foreach ($fans as $fan) {
                $number = substr($fan, -1);
                $data['uid'] = $fan;
                $data['follow_uid'] = $request['target_id'];
                $data['follow_username'] = $request['target_username'];
                $data['follow_avatar'] = isset($request['target_avatar']) ? $request['target_avatar'] : '';
                $data['type'] = $feedType;

                if (in_array($feedType, [1, 2, 3])) {
                    $data['relate_id'] = $request['post_id'];
                    $content['post_desc'] = $request['post_desc'];
                    $content['beans'] = isset($request['rewards']['bean']) ? intval($request['rewards']['bean']) : 0;
                    $content['post_type'] = $request['post_type'];
                } elseif ($feedType == 4) {//评论
                    $data['relate_id'] = $request['post_id'];
                    $content['post_desc'] = $request['post_desc'];
                    $content['comment_id'] = $request['comment_id'];
                    $content['comment_desc'] = $request['comment_content'];
                    $content['beans'] = isset($request['rewards']['bean']) ? intval($request['rewards']['bean']) : 0;
                    $content['post_type'] = $request['post_type'];
                } elseif ($feedType == 6) {//发布
                    $data['relate_id'] = $request['post_id'];
                    $content['post_desc'] = $request['post_desc'];
                    $content['beans'] = isset($request['rewards']['bean']) ? intval($request['rewards']['bean']) : 0;
                    $content['post_type'] = $request['post_type'];
                } elseif ($feedType == 5) {//关注
                    $data['relate_id'] = $request['focus_uid'];
                    $content = [];
                }
                $data['content'] = json_encode($content);
                $data['created_at'] = Carbon::now();
                $data['updated_at'] = Carbon::now();
                Log::debug('创建Feed流-data:' . json_encode($data));
                //目前只有评论可以重复出现在别人的feed流中，其他类型如果出现过一次不再产生新的feed信息
                if (in_array($feedType, [4])) {
                    DB::table('feed_'.$number)->insert($data);
                } else {
                    //此处需要优化，如果feed表需要清理历史数据怎么处理
                    //以下判断可以控制virus的行为，重复不添加feed，但是关注用户不行，关注用户不存在is_existing字段
                    //if (isset($request['is_existing']) && intval($request['is_existing']) == 0) {
                    //    DB::table('feed_'.$number)->insert($data);
                    //}
                    $feedRow = DB::table('feed_'.$number)->where('uid',$data['uid'])
                        ->where('follow_uid',$data['follow_uid'])
                        ->where('type',$data['type'])
                        ->where('relate_id',$data['relate_id'])
                        ->first();
                    if(empty($feedRow)){
                        DB::table('feed_'.$number)->insert($data);
                    }
                }

            }
        }
        return true;
    }

    //我的feed
    public function myFeed($request)
    {
        $userInfo = $this->getUserInfo();
        if (empty($userInfo)) {
            $userInfo['uid'] = 0;
        }
        $perPage = isset($request['per_page']) ? $request['per_page'] : 20;
        $where[] = ['uid', $userInfo['uid']];
        $number = substr($userInfo['uid'], -1);
        $table_name = 'feed_'.$number;
        $feedModel = new Feed();
        $feedModel->setTable($table_name);

        $data = $feedModel
            ->where($where)
            ->orderBy('id', 'desc')
            ->paginate($perPage);
        if ($data) {
            foreach ($data as $key => &$value) {
                if ($value['type'] == 6) {
                    $post = $this->postRepositories->detail($value['relate_id']);
                    if ($post) {
                        $value['relate_data'] = $this->postDetail($post, $value['follow_uid'], $userInfo);
                    } else {
                        unset($data[$key]);
                    }
                }
                if ($value['type'] == 5) {
                    $value['content'] = null;
                    $user = $this->userInfo($value['relate_id']);
                    if ($user) {
                        Log::debug("测试feed关注状态：uid{$userInfo['uid']}followUid{$value['relate_id']}");
                        $value['relate_data'] = [
                            'uid' => intval($user['uid']),
                            'username' => $user['username'],
                            'avatar' => $user['avatar'],
                            'follow_status' => $this->getFollowStatus($userInfo['uid'], $value['relate_id']),
                        ];
                    } else {
                        unset($data[$key]);
                    }
                }
            }
        }
        return $data;
    }

    public function postDetail($post, $follow_uid, $userInfo)
    {
        Log::debug('feed流内容--' . json_encode($post));
        $uid = $userInfo['uid'];
        $imgs = [];
        foreach ($post->imgs as $img) {
            $imgs[] = $img['img'];
        }

        $topic = [];
        foreach ($post->topic() as $key => $val) {
            $topic[] = [
                'id' => $key,
                'name' => $val
            ];
        }
        $isFollow = 0;
        Log::debug("内容feed关注uid{$uid}followUid{$follow_uid}");
        $followStatus = $this->getFollowStatus($uid, $follow_uid);
        if ($followStatus) {
            $isFollow = $followStatus;
        }
        $user = $this->userInfo($post['uid']);
        return [
            'id' => $post['id'],
            'type' => $post['type'],
            'created_at' => Carbon::parse($post['created_at'])->diffForHumans(),
            'uid' => $post['uid'],
            'username' => $user['username'],
            'avatar' => $user['avatar'],
            'topic' => $topic,
            'title' => $post['title'],
            'content' => $post['content'],
            'location' => $post['location'],
            'img' => $post['img'],
            'imgs' => $imgs,
            'video' => $post['video'],
            'pv' => getNumber($post->data->pv),
            'praise_count' => $post->data->praise_count,
            'comment_count' => $post->data->comment_count,
            'available_bean' => $post->data->available_bean,
            'will_collect_bean' => $post->data->will_collect_bean + 3 * $post->data->pv,
            'post_comment' => $this->getPostComment($post['id']),
            'is_like' => PostLike::where('post_id', $post['id'])->where('uid', $uid)->exists() ? 1 : 0,
            'is_dislike' => PostDislike::where('post_id', $post['id'])->where('uid', $uid)->exists() ? 1 : 0,
            'is_collect' => PostCollect::where('post_id', $post['id'])->where('uid', $uid)->exists() ? 1 : 0,
            'follow_status' => $isFollow,
            'h5url' => config('customer.share_post_h5url') . "?post_id={$post['id']}&invite_code={$userInfo['invite_code']}",
            'desc_url' => $post['type'] == 'html' ? config('customer.app_service_url') . '/community/fragment/detail/' . $post['id'] : '',
        ];
    }

    public function getPostComment($post_id)
    {
        $comments = $this->postComment->where(['post_id' => $post_id, 'parent_id' => 0])->select('id', 'uid', 'content', 'is_delete')->orderBy('is_delete', 'asc')->orderBy('id', 'desc')->take(2)->get();
        foreach ($comments as &$comment) {
            if ($comment->is_delete) {
                $comment->content = '该评论已被删除';
            }
            unset($comment->is_delete);
            $user = $this->userInfo($comment->uid);
            $comment->username = $user['username'];
        }
        return $comments;
    }

    /**
     *  取消关注删除对应feed
     * @param $data
     */
    public function contentFeedDelete($data)
    {
        $number = substr($data['uid'], -1);
        try {
            DB::table('feed_'.$number)->where('uid', $data['uid'])->where('follow_uid', $data['follow_uid'])->delete();
            Log::debug("取消关注删除对应feed成功uid{$data['uid']}followUid{$data['follow_uid']}");
        } catch (\Exception $exception) {
            Log::error('取消关注删除对应feed失败' . json_encode($data) . $exception->getMessage());
            return false;
        }
    }

}