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<?php |
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namespace App\Models; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Support\Facades\DB; |
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// use League\Flysystem\Exception; |
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use Exception; |
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class CompilerModel extends Model |
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{ |
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protected $tableName='compiler'; |
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public function list($oid=1, $pid=null) |
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{ |
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$special=null; |
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if ($pid) { |
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$special=DB::table("problem")->where(['pid'=>$pid])->select(['special_compiler'])->first(); |
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} |
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$t=DB::table($this->tableName)->where(["oid"=>$oid, "available"=>1, "deleted"=>0]); |
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if ($special && $special['special_compiler']) { |
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$t=$t->whereIn('coid', explode(',', $special['special_compiler'])); |
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} |
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$compiler_list=$t->orderBy('display_name')->get()->all(); |
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return $compiler_list; |
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} |
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public function pref($compiler_list, $pid, $uid, $cid=null) |
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{ |
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$countCompilerList=count($compiler_list); |
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$pref=-1; |
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$precise=true; |
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// get user pref of this problem for compilers |
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$temp_last_submission=DB::table("submission")->where(["pid"=>$pid, "uid"=>$uid, "cid"=>$cid])->orderBy('submission_date', 'desc')->first(); |
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if (empty($temp_last_submission)) { |
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// get user pref of this OJ for compilers |
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$problemModel=new ProblemModel(); |
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$oid=$problemModel->oid($pid); |
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$temp_last_submission=DB::table("submission")->join("problem", "submission.pid", "=", "problem.pid")->where(["OJ"=>$oid, "uid"=>$uid])->orderBy('submission_date', 'desc')->first(); |
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if (empty($temp_last_submission)) { |
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// get user pref for compilers |
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$temp_last_submission=DB::table("submission")->where(["uid"=>$uid])->orderBy('submission_date', 'desc')->first(); |
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if (empty($temp_last_submission)) { |
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return [ |
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"pref"=>$pref, |
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"code"=>"" |
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]; |
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} |
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} |
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$precise=false; |
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} |
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$last_submission=$temp_last_submission; |
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if ($precise) { |
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$ret["code"]=$last_submission["solution"]; |
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$ret['code']=str_replace('\\', '\\\\', $ret['code']); |
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$ret['code']=str_replace("\r\n", "\\n", $ret['code']); |
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$ret['code']=str_replace("\n", "\\n", $ret['code']); |
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$ret['code']=str_replace("\"", "\\\"", $ret['code']); |
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$ret['code']=str_replace("<", "\<", $ret['code']); |
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$ret['code']=str_replace(">", "\>", $ret['code']); |
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} else { |
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$ret["code"]=""; |
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} |
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$ret["coid"]=$last_submission["coid"]; |
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$ret["detail"]=$this->detail($last_submission["coid"]); |
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// match precise compiler |
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for ($i=0; $i<$countCompilerList; $i++) { |
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if ($compiler_list[$i]["coid"]==$ret["coid"]) { |
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$pref=$i; |
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break; |
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} |
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} |
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if ($pref==-1) { |
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// precise compiler is dead, use other compiler with same lang |
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for ($i=0; $i<$countCompilerList; $i++) { |
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if ($compiler_list[$i]["lang"]==$ret["detail"]["lang"]) { |
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$pref=$i; |
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break; |
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} |
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} |
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} |
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if ($pref==-1) { |
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// same lang compilers are all dead, use other compiler within the same group |
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for ($i=0; $i<$countCompilerList; $i++) { |
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if ($compiler_list[$i]["comp"]==$ret["detail"]["comp"]) { |
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$pref=$i; |
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break; |
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} |
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} |
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} |
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// the entire comp group dead |
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$ret["pref"]=$pref; |
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return $ret; |
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} |
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public function detail($coid) |
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{ |
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return DB::table($this->tableName)->where(["coid"=>$coid])->first(); |
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} |
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public static function add($row) |
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{ |
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if (self::checkExist([ |
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"oid"=>$row["oid"], |
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"lcode"=>$row["lcode"], |
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"deleted"=>0 |
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])) { |
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throw new Exception("Duplicate Language Code"); |
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} |
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return DB::table('compiler')->insert($row); |
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} |
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public static function remove($filter) |
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{ |
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return DB::table('compiler')->where($filter)->update([ |
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"deleted"=>1 |
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]); |
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} |
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public static function modify($filter, $row) |
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{ |
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$filter["deleted"]=0; |
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return DB::table('compiler')->where($filter)->update($row); |
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} |
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public static function checkExist($filter) |
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{ |
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return boolval(DB::table('compiler')->where($filter)->count()); |
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} |
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} |
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ZsgsDesign /
NOJ
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