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<?php |
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namespace App\Models\Eloquent; |
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use Illuminate\Database\Eloquent\Factories\HasFactory; |
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use Illuminate\Database\Eloquent\Model; |
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use Carbon\Carbon; |
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use DateTimeInterface; |
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use Exception; |
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use Cache; |
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class GroupHomework extends Model |
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{ |
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use HasFactory; |
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public function group() |
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{ |
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return $this->belongsTo('App\Models\Eloquent\Group', 'group_id', 'gid'); |
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} |
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public function problems() |
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{ |
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return $this->hasMany('App\Models\Eloquent\GroupHomeworkProblem'); |
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} |
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protected function serializeDate(DateTimeInterface $date) |
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{ |
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return $date->format('Y-m-d H:i:s'); |
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} |
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public function getStatisticsAttribute() |
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{ |
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$cachedStatistics = Cache::tags(['homework', 'statistics'])->get($this->id); |
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if (blank($cachedStatistics)) { |
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$cachedStatistics = $this->cacheStatistics(); |
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} |
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if ($cachedStatistics === false) { |
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return null; |
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} |
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$cachedStatistics['timestamp'] = Carbon::createFromTimestamp($cachedStatistics['timestamp']); |
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return $cachedStatistics; |
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} |
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public function cacheStatistics() |
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{ |
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try { |
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$statistics = []; |
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$homeworkProblems = $this->problems->sortBy('order_index'); |
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$users = $this->group->members()->where('role', '>=', 1)->get(); |
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$userIDArr = $users->pluck('uid'); |
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$defaultVerdict = []; |
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foreach ($homeworkProblems as $homeworkProblem) { |
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$statistics['problems'][] = [ |
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'pid' => $homeworkProblem->problem_id, |
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'readable_name' => $homeworkProblem->problem->readable_name, |
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]; |
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$defaultVerdict[$homeworkProblem->problem_id] = [ |
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"icon" => "checkbox-blank-circle-outline", |
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"color" => "wemd-grey-text" |
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]; |
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} |
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foreach ($users as $user) { |
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$statistics['data'][$user->uid] = [ |
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'name' => $user->user->name, |
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'nick_name' => blank($user->nick_name) ? null : $user->nick_name, |
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'solved' => 0, |
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'attempted' => 0, |
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'verdict' => $defaultVerdict |
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]; |
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} |
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$endedAt = Carbon::parse($this->ended_at); |
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foreach ($homeworkProblems as $homeworkProblem) { |
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$userProbIDArr = []; |
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foreach ($homeworkProblem->problem->users_latest_submission($userIDArr->diff($userProbIDArr), null, $endedAt, ['Accepted'])->get() as $acceptedRecord) { |
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$statistics['data'][$acceptedRecord['uid']]['verdict'][$homeworkProblem->problem_id] = [ |
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"icon" => "checkbox-blank-circle", |
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"color" => $acceptedRecord['color'] |
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]; |
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$statistics['data'][$acceptedRecord['uid']]['solved']++; |
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$userProbIDArr[] = $acceptedRecord['uid']; |
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} |
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foreach ($homeworkProblem->problem->users_latest_submission($userIDArr->diff($userProbIDArr), null, $endedAt, ['Partially Accepted'])->get() as $acceptedRecord) { |
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$statistics['data'][$acceptedRecord['uid']]['verdict'][$homeworkProblem->problem_id] = [ |
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"icon" => "cisco-webex", |
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"color" => $acceptedRecord['color'] |
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]; |
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$statistics['data'][$acceptedRecord['uid']]['attempted']++; |
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$userProbIDArr[] = $acceptedRecord['uid']; |
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} |
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foreach ($homeworkProblem->problem->users_latest_submission($userIDArr->diff($userProbIDArr), null, $endedAt)->get() as $acceptedRecord) { |
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$statistics['data'][$acceptedRecord['uid']]['verdict'][$homeworkProblem->problem_id] = [ |
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"icon" => "cisco-webex", |
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"color" => $acceptedRecord['color'] |
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]; |
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$statistics['data'][$acceptedRecord['uid']]['attempted']++; |
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$userProbIDArr[] = $acceptedRecord['uid']; |
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} |
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} |
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usort($statistics['data'], function ($a, $b) { |
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return $b["solved"] == $a["solved"] ? $b["attempted"] <=> $a["attempted"] : $b["solved"] <=> $a["solved"]; |
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}); |
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$statistics['timestamp'] = time(); |
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Cache::tags(['homework', 'statistics'])->put($this->id, $statistics, 360); |
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return $statistics; |
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} catch (Exception $e) { |
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Log::alert($e); |
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return false; |
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} |
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} |
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} |
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ZsgsDesign /
NOJ
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