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<?php |
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namespace App\Console\Commands; |
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use Illuminate\Console\Command; |
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use Illuminate\Support\Facades\DB; |
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use App\Models\Institution_student; |
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class RemoveDuplications extends Command |
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{ |
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/** |
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* The name and signature of the console command. |
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* |
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* @var string |
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*/ |
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protected $signature = 'student:clean {chunk} {max}'; |
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/** |
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* The console command description. |
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* |
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* @var string |
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*/ |
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protected $description = 'This command is to clean students data'; |
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/** |
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* Create a new command instance. |
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* |
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* @return void |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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} |
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/** |
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* Execute the console command. |
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* |
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* @return mixed |
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*/ |
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public function handle() |
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{ |
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try { |
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$this->start_time = microtime(TRUE); |
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$this->output = new \Symfony\Component\Console\Output\ConsoleOutput(); |
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$this->output->writeln('############### Starting delete Duplication ################'); |
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$duplicatedStudents = Institution_student::select(DB::raw('count(*) as total'),'student_id','id','academic_period_id','education_grade_id') |
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->groupBy('student_id') |
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->having('total','>',1) |
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->orderBy('student_id') |
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->get() |
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->toArray(); |
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if(count($duplicatedStudents)>0){ |
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processParallel(array($this,'process'),$duplicatedStudents,10); |
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}else{ |
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$this->output->writeln('Nothing to Process, all are clean'); |
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} |
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} catch (\Throwable $th) { |
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dd($th); |
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} |
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} |
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public function process($Student){ |
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Institution_student::where('institution_students.id','>',$Student['id']) |
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->where('institution_students.student_id',$Student['student_id']) |
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->where('institution_students.academic_period_id',$Student['academic_period_id']) |
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->where('institution_students.education_grade_id',$Student['education_grade_id']) |
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->delete(); |
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$this->end_time = microtime(TRUE); |
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$this->output->writeln('The cook took ' . ($this->end_time - $this->start_time) . ' seconds to complete'); |
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} |
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} |
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