116 lines
2.8 KiB
PHP
116 lines
2.8 KiB
PHP
<?php
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declare (strict_types=1);
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namespace App\Model\Group;
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use App\Model\BaseModel;
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/**
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* 聊天群组数据表模型
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*
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* @property integer $id 群ID
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* @property integer $creator_id 群主ID
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* @property string $group_name 群名称
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* @property string $profile 群简介
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* @property integer $avatar 群头像
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* @property integer $max_num 最大群成员数量
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* @property integer $is_overt 是否公开可见[0:否;1:是;]
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* @property integer $is_mute 是否全员禁言 [0:否;1:是;]，提示:不包含群主或管理员
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* @property integer $is_dismiss 是否已解散[0:否;1:是;]
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* @property string $created_at 创建时间
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* @property string $dismissed_at 解散时间
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*
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* @package App\Model\Group
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*/
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class Group extends BaseModel
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{
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// 最大成员数量
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const MAX_MEMBER_NUM = 200;
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/**
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* The table associated with the model.
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*
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* @var string
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*/
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protected $table = 'group';
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/**
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* The attributes that are mass assignable.
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*
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* @var array
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*/
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protected $fillable = [
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'creator_id',
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'group_name',
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'profile',
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'avatar',
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'max_num',
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'is_overt',
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'is_mute',
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'is_dismiss',
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'created_at',
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'dismissed_at',
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];
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/**
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* The attributes that should be cast to native types.
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*
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* @var array
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*/
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protected $casts = [
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'creator_id' => 'integer',
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'max_num' => 'integer',
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'is_overt' => 'integer',
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'is_mute' => 'integer',
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'is_dismiss' => 'integer',
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'created_at' => 'datetime'
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];
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/**
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* 获取群聊成员
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*/
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public function members()
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{
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return $this->hasMany(GroupMember::class, 'group_id', 'id');
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}
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/**
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* 判断用户是否是管理员
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*
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* @param int $user_id 用户ID
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* @param int $group_id 群ID
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* @param int|array $leader 管理员类型[0:普通成员;1:管理员;2:群主;]
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*
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* @return bool
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*/
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public static function isManager(int $user_id, int $group_id, $leader = 2)
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{
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return self::where('id', $group_id)->where('creator_id', $user_id)->exists();
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}
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/**
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* 判断群组是否已解散
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*
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* @param int $group_id 群ID
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*
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* @return bool
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*/
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public static function isDismiss(int $group_id)
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{
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return self::where('id', $group_id)->where('is_dismiss', 1)->exists();
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}
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/**
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* 判断用户是否是群成员
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*
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* @param int $group_id 群ID
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* @param int $user_id 用户ID
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*
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* @return bool
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*/
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public static function isMember(int $group_id, int $user_id)
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{
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return GroupMember::where('group_id', $group_id)->where('user_id', $user_id)->where('is_quit', 0)->exists();
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}
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}
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