im/app/api/controller/MomentsController.php

<?php
namespace app\api\controller;

use app\model\User as UserModel;
use app\model\FriendCircle as FriendCircleModel;
use app\model\FriendCircleLike as FriendCircleLikeModel;
use app\model\FriendCircleComment as FriendCircleCommentModel;
use support\Request;
use support\Response;
use support\think\Db;
use hg\apidoc\annotation as Apidoc;

/**
 * 新朋友圈
 */
class MomentsController extends BaseController
{
    public $noNeedAuth = ['*'];
    public $noNeedLogin = [];
    public $user_display_fields = 'id,userID,nickname,avatar';

    protected function getUserSettings(int $user_id): array
    {
        $result = Db::name('user_extend')
            ->where('user_id', $user_id)
            ->field('moments_allow_view_days,moments_banner')
            ->findOrEmpty();
        return $result;
    }

    protected function processAvatar($data): void
    {
        if (is_array($data)) {
            if (!empty($data['avatar'])) {
                $data['avatar'] = cdnurl($data['avatar']);
            }
        } elseif (is_object($data) && !empty($data->avatar)) {
            $data->avatar = cdnurl($data->avatar);
        }
    }

    function info(Request $request): Response
    {
        $userID = Input('userID');
        if ($userID) {
            $user_id = \support\Encrypt::userIDDecode($userID);
            $json = [
                'top_unread_items' => [],
                'unread_item_ids' => [],
                'unread_count' => 0,
                'settings' => $this->getUserSettings($user_id)
            ];
            return $this->success('ok', $json);
        }

        $user = \support\Jwt::getUser();
        if (!$user) {
            return $this->fail('请先登录');
        }

        $res = $this->newcount($request);
        $response = $res->rawBody();
        $json = json_decode($response, true);
        $json['data']['settings'] = $this->getUserSettings($user->id);

        $top_unread_items = FriendCircleModel::whereIn('id', $json['data']['unread_item_ids'])
            ->with(['user' => function ($query) {
                $query->field($this->user_display_fields);
            }])
            ->order('id', 'desc')
            ->limit(0, 3)
            ->select();
        $json['data']['top_unread_items'] = $top_unread_items ?: [];
        $res->withBody(json_encode($json));
        return $res;
    }

    /**
     * @Apidoc\Title("列表")
     * @Apidoc\Method("GET")
     * @Apidoc\Query("userID", type="string", require=false, desc="用户userID，不传则获取所有")
     * @Apidoc\Query("page", type="int", require=true, desc="页码", default=1)
     * @Apidoc\Query("limit", type="int", require=true, desc="分页大小", default=10)
     */
    function list(Request $request): Response
    {
        $current_user = \support\Jwt::getUser();
        $current_user_id = $current_user ? $current_user->id : 0;
        $page = (int)Input('page', 1);
        $limit = (int)Input('limit', 10);
        $userID = Input('userID');

        $query = FriendCircleModel::where('status', 1)
            ->with(['user' => function ($query) {
                $query->field($this->user_display_fields);
            }])
            ->order('created_at', 'desc');

        if ($userID) {
            $user_id = \support\Encrypt::userIDDecode($userID);
            $query->where('user_id', $user_id);
        } else {
            $current_userID = $current_user_id > 0 ? \support\Encrypt::userIDencode($current_user_id) : '';
            $friendIds = $this->getFriendUserIds($current_userID);
            if (empty($friendIds)) {
                return $this->success('ok', []);
            }
            $query->whereIn('user_id', $friendIds);
        }

        $list = $query->paginate([
            'list_rows' => $limit,
            'page' => $page,
        ]);

        if (!$userID && $list->count() > 0) {
            cache('circle_last_read_id_' . $current_user_id, $list[0]['id']);
        }

        $list->each(function ($item) use ($current_user_id) {
            $likes = Db::name('friend_circle_like')->alias('f')
                ->join('user u', 'u.id=f.user_id')
                ->where('f.circle_id', $item->id)
                ->field('f.*,u.userID,u.avatar,u.nickname')
                ->order('f.created_at', 'desc')
                ->limit(20)
                ->select();
            $likes = $likes ? $likes->toArray() : [];

            $is_liked = false;
            if ($current_user_id > 0) {
                $is_liked = null !== array_find($likes, function ($like) use ($current_user_id) {
                    return $like['user_id'] == $current_user_id;
                });
            }

            $comments = FriendCircleCommentModel::where('circle_id', $item->id)
                ->where('status', 1)
                ->with(['user' => function ($query) {
                    $query->field($this->user_display_fields);
                }, 'replyUser' => function ($query) {
                    $query->field($this->user_display_fields);
                }])
                ->order('created_at', 'asc')
                ->limit(10)
                ->select();

            $item->is_liked = $is_liked;
            $item->likes = $likes;
            $item->comments = $comments;

            if (!empty($item->files)) {
                $files = is_array($item->files) ? $item->files : json_decode($item->files, true);
                $item->files = is_array($files) ? array_map('cdnurl', $files) : [];
            } else {
                $item->files = [];
            }

            if ($item->user && $item->user->avatar) {
                $item->user->avatar = cdnurl($item->user->avatar);
            }

            foreach ($item->likes as &$like) {
                if (!empty($like['avatar'])) {
                    $like['avatar'] = cdnurl($like['avatar']);
                }
            }
            unset($like);

            foreach ($item->comments as $comment) {
                if ($comment->user && $comment->user->avatar) {
                    $comment->user->avatar = cdnurl($comment->user->avatar);
                }
                if ($comment->replyUser && $comment->replyUser->avatar) {
                    $comment->replyUser->avatar = cdnurl($comment->replyUser->avatar);
                }
            }

            return $item;
        });

        return $this->success('ok', $list);
    }

    /**
     * @Apidoc\Title("最近更新的数量")
     * @Apidoc\Method("POST")
     * @Apidoc\Param("last_see", type="string", require=false, desc="最近查看的时间戳")
     */
    function newcount(Request $request): Response
    {
        $user = \support\Jwt::getUser();
        if (!$user) {
            return $this->fail('请先登录');
        }

        $user_id = $user->id;
        $circle_last_read_id = cache('circle_last_read_id_' . $user_id) ?: 0;
        $userID = \support\Encrypt::userIDencode($user_id);

        $unread_item_ids = FriendCircleModel::where('status', 1)
            ->whereIn('user_id', $this->getFriendUserIds($userID))
            ->where('id', '>', $circle_last_read_id)
            ->order('id', 'desc')
            ->column('id');

        return $this->success('ok', [
            'unread_count' => count($unread_item_ids),
            'unread_item_ids' => $unread_item_ids
        ]);
    }

    /**
     * @Apidoc\Title("发布朋友圈")
     * @Apidoc\Method("POST")
     * @Apidoc\Param("body", type="string", require=false, desc="内容")
     * @Apidoc\Param("files", type="string", require=false, desc="图片列表(JSON数组)")
     */
    function create(Request $request): Response
    {
        $user = \support\Jwt::getUser();
        if (!$user) {
            return $this->fail('请先登录');
        }

        $body = $request->post('content', '');
        $files = $request->post('files', '');
        $address = $request->post('address', '');
        $releaseType = $request->post('releaseType', '');

        if (empty($body)) {
            return $this->fail('什么内容都木有啊');
        }

        $files_array = [];
        if (!empty($files)) {
            if (is_string($files)) {
                $files_array = json_decode($files, true);
            } elseif (is_array($files)) {
                $files_array = $files;
            }

            if (!is_array($files_array)) {
                return $this->fail('图片列表格式错误');
            }

            if (count($files_array) > 9) {
                return $this->fail('最多只能上传9张图片');
            }
        }

        $circle = FriendCircleModel::create([
            'user_id' => $user->id,
            'releaseType' => $releaseType,
            'body' => $body,
            'files' => $files_array,
            'address' => $address,
            'status' => 1,
        ]);

        return $this->success('发布成功', ['id' => $circle->id, 'data' => $circle]);
    }

    /**
     * @Apidoc\Title("发表评论")
     * @Apidoc\Method("POST")
     * @Apidoc\Param("body", type="string", require=true, desc="内容")
     * @Apidoc\Param("id", type="int", require=true, desc="朋友圈动态ID")
     * @Apidoc\Param("reply_userID", type="string", require=false, desc="回复的用户userID(回复评论时使用)")
     */
    function comment(Request $request): Response
    {
        $user = \support\Jwt::getUser();
        if (!$user) {
            return $this->fail('请先登录');
        }

        $body = $request->post('body', '');
        $circle_id = (int)$request->post('id');
        $reply_userID = $request->post('reply_userID', '');

        if (empty($body)) {
            return $this->fail('评论内容不能为空');
        }

        if ($circle_id <= 0) {
            return $this->fail('朋友圈动态ID错误');
        }

        $circle = FriendCircleModel::where('id', $circle_id)
            ->where('status', 1)
            ->find();

        if (!$circle) {
            return $this->fail('朋友圈动态不存在');
        }

        $reply_user_id = 0;
        if (!empty($reply_userID)) {
            $reply_user_id = (int)\support\Encrypt::userIDDecode($reply_userID);
        }

        if ($reply_user_id > 0) {
            $reply_user = UserModel::where('id', $reply_user_id)->find();
            if (!$reply_user) {
                return $this->fail('被回复的用户不存在');
            }
        }

        $comment = FriendCircleCommentModel::create([
            'circle_id' => $circle_id,
            'user_id' => $user->id,
            'reply_user_id' => $reply_user_id,
            'body' => $body,
            'status' => 1,
        ]);

        $circle->comment_count = FriendCircleCommentModel::where('circle_id', $circle_id)
            ->where('status', 1)
            ->count();
        $circle->save();

        $comment->user = Db::name('user')->field($this->user_display_fields)->where('id', $comment->user_id)->find();
        $comment->replyUser = null;
        if ($comment->reply_user_id) {
            $comment->replyUser = Db::name('user')->field($this->user_display_fields)->where('id', $comment->reply_user_id)->find();
        }

        return $this->success('评论成功', $comment);
    }

    /**
     * @Apidoc\Title("点赞")
     * @Apidoc\Method("POST")
     * @Apidoc\Param("id", type="int", require=true, desc="朋友圈动态ID")
     */
    function like(Request $request): Response
    {
        $user = \support\Jwt::getUser();
        if (!$user) {
            return $this->fail('请先登录');
        }

        $circle_id = (int)$request->post('id', 0);

        if ($circle_id <= 0) {
            return $this->fail('朋友圈动态ID错误');
        }

        $circle = FriendCircleModel::where('id', $circle_id)
            ->where('status', 1)
            ->find();

        if (!$circle) {
            return $this->fail('朋友圈动态不存在');
        }

        $like = FriendCircleLikeModel::where('circle_id', $circle_id)
            ->where('user_id', $user->id)
            ->find();

        if ($like) {
            $like->delete();
            $circle->like_count = max(0, $circle->like_count - 1);
            $circle->save();
            return $this->success('取消点赞成功', ['is_liked' => false]);
        }

        FriendCircleLikeModel::create([
            'circle_id' => $circle_id,
            'user_id' => $user->id,
        ]);
        $circle->like_count = $circle->like_count + 1;
        $circle->save();
        return $this->success('点赞成功', ['is_liked' => true]);
    }

    protected function getFriendUserIds($userID): array
    {
        if (!$userID) {
            return [];
        }

        $cache_key = 'friend_id_list_' . $userID;
        $result = cache($cache_key) ?: [];

        if (count($result) === 0) {
            $res = request()->IM->friend->getFriendList($userID);
            $friendsInfo = $res['friendsInfo'] ?? [];
            foreach ($friendsInfo as $v) {
                $result[] = \support\Encrypt::userIDDecode($v['friendUser']['userID']);
            }
            cache($cache_key, $result, 3600);
        }

        $result[] = \support\Encrypt::userIDDecode($userID);
        return $result;
    }

    /**
     * 删除朋友圈
     * @Apidoc\Method("POST")
     * @Apidoc\Param("id", type="int", require=true, desc="朋友圈动态ID")
     * @return Response
     */
    function delete(Request $request): Response
    {
        $id = (int)$request->post('id');
        $user = \support\Jwt::getUser();
        if (!$user) {
            return $this->fail('请先登录');
        }

        if ($id > 0) {
            FriendCircleModel::where('id', $id)->where('user_id', $user->id)->delete();
        }

        return $this->success('删除成功');
    }

    /**
     * 设置朋友圈背景
     * @param Request $request
     * @return Response
     */
    function upload_bg(Request $request): Response
    {
        return $this->setBanner($request);
    }

    /**
     * 设置朋友圈背景
     * @Apidoc\Method("POST")
     * @Apidoc\Param("file", type="File", require=true, desc="文件")
     * @return Response
     */
    function setBanner(Request $request): Response
    {
        try {
            $user = \support\Jwt::getUser();
            if (!$user) {
                return $this->fail('请先登录');
            }

            $res = $this->_upload($request);
            if (is_string($res)) {
                return $this->fail($res);
            }

            $exist = Db::name('user_extend')->where('user_id', $user->id)->find();
            if ($exist) {
                Db::name('user_extend')
                    ->where('user_id', $user->id)
                    ->update(['moments_banner' => $res[0]['file_name']]);
            } else {
                Db::name('user_extend')->insert([
                    'user_id' => $user->id,
                    'moments_banner' => $res[0]['file_name'],
                ]);
            }

            return $this->success(__('successful'), [
                'url' => $res[0]['file_name']
            ]);
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }
}