| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace App\Models\Eloquent; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Illuminate\Database\Eloquent\Model; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use App\Models\Eloquent\Contest; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Auth; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Carbon; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use DB; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Exception; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use App\Models\Traits\LikeScope; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use DateTimeInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | class Problem extends Model | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     use LikeScope; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     protected $table = 'problem'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     protected $primaryKey = 'pid'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     const UPDATED_AT = "update_date"; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  |     protected function serializeDate(DateTimeInterface $date) | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |         return $date->format('Y-m-d H:i:s'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     public function getReadableNameAttribute() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         return $this->pcode . '. ' . $this->title; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     public function submissions() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         return $this->hasMany('App\Models\Eloquent\Submission', 'pid', 'pid'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     public function problemSamples() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         return $this->hasMany('App\Models\Eloquent\ProblemSample', 'pid', 'pid'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     public function solutions() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         return $this->hasMany('App\Models\Eloquent\ProblemSolution', 'pid', 'pid'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     public function homework_problems() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         return $this->hasMany('App\Models\Eloquent\GroupHomeworkProblem', 'problem_id', 'pid'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     public function onlinejudge() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         return $this->belongsTo('App\Models\Eloquent\OJ', 'OJ', 'oid'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     public function getProblemStatusAttribute() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         return $this->getProblemStatus(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     public function getProblemStatus($userID = null, $contestID = null, Carbon $till = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         if (blank($userID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             if (Auth::guard('web')->check()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |                 $userID = Auth::guard('web')->user()->id; | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         if (filled($userID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             $probStatus = $this->getProblemStatusFromDB($userID, $contestID, $till); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |             if (blank($probStatus)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |                 return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |                     "icon" => "checkbox-blank-circle-outline", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |                     "color" => "wemd-grey-text" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |                 ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |                 return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |                     "icon" => $probStatus->verdict == "Accepted" ? "checkbox-blank-circle" : "cisco-webex", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |                     "color" => $probStatus->color | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |                 ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |             return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |                 "icon" => "checkbox-blank-circle-outline", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |                 "color" => "wemd-grey-text" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |             ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     private function getProblemStatusFromDB($userID, $contestID = null, Carbon $till = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         $endedAt = Carbon::now(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         if (filled($contestID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |             try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |                 $endedAt = Carbon::parse(Contest::findOrFail($contestID)->endedAt); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             } catch (Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |                 return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         // Get the very first AC record | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         $acRecords = $this->submissions()->where([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |             'uid' => $userID, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |             'cid' => $contestID, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |             'verdict' => 'Accepted' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |         if (filled($contestID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |             $acRecords = $acRecords->where("submission_date", "<", $endedAt->timestamp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |         if (filled($till)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |             $acRecords = $acRecords->where("submission_date", "<", $till->timestamp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |         $acRecords = $acRecords->orderBy('submission_date', 'desc')->first(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         if (blank($acRecords)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |             $pacRecords = $this->submissions()->where([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |                 'uid' => $userID, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |                 'cid' => $contestID, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |                 'verdict' => 'Partially Accepted' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |             if (filled($contestID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |                 $pacRecords = $pacRecords->where("submission_date", "<", $endedAt->timestamp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |             if (filled($till)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |                 $pacRecords = $pacRecords->where("submission_date", "<", $till->timestamp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |             $pacRecords = $pacRecords->orderBy('submission_date', 'desc')->first(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |             if (blank($pacRecords)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |                 $otherRecords = $this->submissions()->where([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |                     'uid' => $userID, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |                     'cid' => $contestID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |                 ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |                 if (filled($contestID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |                     $otherRecords = $otherRecords->where("submission_date", "<", $endedAt->timestamp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |                 if (filled($till)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |                     $otherRecords = $otherRecords->where("submission_date", "<", $till->timestamp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |                 return $otherRecords->orderBy('submission_date', 'desc')->first(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |             return $pacRecords; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |             return $acRecords; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     public function users_latest_submission($users, $contestID = null, Carbon $till = null, $verdictFilter = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         if (filled($contestID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |             $endedAt = Carbon::parse(Contest::findOrFail($contestID)->endedAt); | 
                            
                    |  |  |  | 
                                                                                        
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                | 153 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |         $lastRecordSubQuery = $this->submissions()->select('uid', DB::raw('MAX(submission_date) as submission_date'))->whereIntegerInRaw('uid', $users)->where('cid', $contestID)->groupBy('uid'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         if (filled($contestID)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |             $lastRecordSubQuery = $lastRecordSubQuery->where("submission_date", "<", $endedAt->timestamp); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |         if (filled($till)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |             $lastRecordSubQuery = $lastRecordSubQuery->where("submission_date", "<", $till->timestamp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |         if(filled($verdictFilter)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |             $lastRecordSubQuery = $lastRecordSubQuery->whereIn('verdict', $verdictFilter); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         $query = DB::table(DB::raw("({$lastRecordSubQuery->toSql()}) last_sub"))->leftJoinSub(Submission::toBase(), 'submissions', function ($join) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |             $join->on('last_sub.submission_date', '=', 'submissions.submission_date')->on('last_sub.uid', '=', 'submissions.uid'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         })->select('sid', 'last_sub.submission_date as submission_date', 'last_sub.uid as uid', 'verdict', 'color')->orderBy('uid', 'ASC'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |         return $query->mergeBindings($lastRecordSubQuery->toBase()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |     /*     public function getSamplesAttribute() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         return array_map(function($sample) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |             return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |                 'sample_input' => $sample->sample_input, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |                 'sample_output' => $sample->sample_output, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |                 'sample_note' => $sample->sample_note, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |             ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |         }, $this->problemSamples()->select('sample_input', 'sample_output', 'sample_note')->get()->all()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     public function setSamplesAttribute($value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |     } */ | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 191 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 192 |  |  |  |