/**
* 扩展查询，用于获取已修读学分
* @author FuRongxin
* @date 2016-01-23
* @version 2.0
* @param \Illuminate\Database\Eloquent\Builder $query 查询对象
* @param object $user 用户对象
* @return \Illuminate\Database\Eloquent\Builder 查询对象
*/
public function scopeStudiedCredits($query, $user)
{
return $query->whereXh($user->xh)->groupBy('pt', 'kcxz')->selectRaw('pt, kcxz, SUM(xf) AS xf');
}
/**
* 扩展查询，用于查找学生是否是全日制本科新生
* @author FuRongxin
* @date 2016-02-22
* @version 2.0
* @param \Illuminate\Database\Eloquent\Builder $query 查询对象
* @param object $user 用户对象
* @return \Illuminate\Database\Eloquent\Builder 查询对象
*/
public function scopeIsFresh($query, $user)
{
return $query->whereXh($user->xh)->whereXjzt(config('constants.school.student'))->whereRaw('age(CURRENT_DATE, date_trunc(\'month\', rxrq)) < \'1 year\'')->where('xz', '<>', '2');
}
/**
* 扩展查询，用于获取学生综合成绩对应的补考成绩
* @author FuRongxin
* @date 2016-01-26
* @version 2.0
* @param \Illuminate\Database\Eloquent\Builder $query 查询对象
* @param object $user 用户对象
* @param string $kch 8位课程号
* @return \Illuminate\Database\Eloquent\Builder 查询对象
*/
public function scopeMakeupScore($query, $user, $kch)
{
$lstKcxh = Task::whereKch($kch)->distinct('kcxh')->lists('kcxh');
// 提交状态为3的成绩方可显示
return $query->whereXh($user->xh)->whereIn('kcxh', $lstKcxh)->whereTjzt(config('constants.score.dconfirmed'));
}
/**
* 扩展查询，获取已修读课程列表
* @author FuRongxin
* @date 2016-03-10
* @version 2.0
* @param \Illuminate\Database\Eloquent\Builder $query 查询对象
* @param object $user 用户对象
* @return \Illuminate\Database\Eloquent\Builder 查询对象
*/
public function scopeStudied($query, $user)
{
return $query->whereXh($user->xh)->whereNotExists(function ($query) {
$query->from('xk_xkxx AS a')->whereNd(session('year'))->whereXq(session('term'))->whereRaw('t_a.xh = t_xk_xkxx.xh AND t_a.kcxh = t_xk_xkxx.kcxh');
});
}