<?php
// $Id$
function lab_migration_download_full_experiment()
  {
    $experiment_id = arg(3);
    $root_path = lab_migration_path();
    $APPROVE_PATH = 'APPROVED/';
    $PENDING_PATH = 'PENDING/';
    /* get solution data */
    $query = db_select('lab_migration_experiment');
    $query->fields('lab_migration_experiment');
    $query->condition('id', $experiment_id);
    $experiment_q = $query->execute();
    $experiment_data = $experiment_q->fetchObject();
    $EXP_PATH = 'EXP' . $experiment_data->number . '/';
    /* zip filename */
    $zip_filename = $root_path . 'zip-' . time() . '-' . rand(0, 999999) . '.zip';
    /* creating zip archive on the server */
    $zip = new ZipArchive;
    $zip->open($zip_filename, ZipArchive::CREATE);
    /* approved solutions */
    $query = db_select('lab_migration_solution');
    $query->fields('lab_migration_solution');
    $query->condition('experiment_id', $experiment_id);
    $query->condition('approval_status', 1);
    $solution_q = $query->execute();
    while ($solution_row = $solution_q->fetchObject())
      {
        $CODE_PATH = 'CODE' . $solution_row->code_number . '/';
        $solution_files_q = db_query("SELECT lmsf.*, lmp.directory_name FROM lab_migration_solution_files lmsf JOIN lab_migration_solution lms JOIN lab_migration_experiment lme JOIN lab_migration_proposal lmp WHERE lms.id = lmsf.solution_id AND lme.id = lms.experiment_id AND lmp.id = lme.proposal_id AND lmsf.solution_id = :solution_id", array(':solution_id' => $solution_row->id));
        while ($solution_files_row = $solution_files_q->fetchObject())
          {
            $zip->addFile($root_path . $solution_files_row->directory_name. '/' . $solution_files_row->filepath, $APPROVE_PATH . $EXP_PATH . $CODE_PATH . $solution_files_row->filename);
          }
      }
    /* unapproved solutions */
    $query = db_select('lab_migration_solution');
    $query->fields('lab_migration_solution');
    $query->condition('experiment_id', $experiment_id);
    $query->condition('approval_status', 0);
    $solution_q = $query->execute();
    while ($solution_row = $solution_q->fetchObject())
      {
        $CODE_PATH = 'CODE' . $solution_row->code_number . '/';
        $solution_files_q = db_query("SELECT lmsf.*, lmp.directory_name FROM lab_migration_solution_files lmsf JOIN lab_migration_solution lms JOIN lab_migration_experiment lme JOIN lab_migration_proposal lmp WHERE lms.id = lmsf.solution_id AND lme.id = lms.experiment_id AND lmp.id = lme.proposal_id AND lmsf.solution_id = :solution_id", array(':solution_id' => $solution_row->id));
        while ($solution_files_row = $solution_files_q->fetchObject())
          {
            $zip->addFile($root_path . $solution_files_row->directory_name . '/' . $solution_files_row->filepath, $PENDING_PATH . $EXP_PATH . $CODE_PATH . $solution_files_row->filename);
          }
      }
    $zip_file_count = $zip->numFiles;
    $zip->close();
    if ($zip_file_count > 0)
      {
        /* download zip file */
        header('Content-Type: application/zip');
        header('Content-disposition: attachment; filename="EXP' . $experiment_data->number . '.zip"');
        header('Content-Length: ' . filesize($zip_filename));
        readfile($zip_filename);
        unlink($zip_filename);
        ob_clean();
        ob_flush();
      }
    else
      {
        drupal_set_message("There are no solutions in this experiment to download", 'error');
        drupal_goto('lab-migration/code-approval/bulk');
      }
  }
function lab_migration_download_full_lab()
  {
    $lab_id = arg(3);
    $root_path = lab_migration_path();
    $APPROVE_PATH = 'APPROVED/';
    $PENDING_PATH = 'PENDING/';
    $query = db_select('lab_migration_proposal');
    $query->fields('lab_migration_proposal');
    $query->condition('id', $lab_id);
    $lab_q = $query->execute();
    $lab_data = $lab_q->fetchObject();
    $LAB_PATH = $lab_data->lab_title . '/';
    /* zip filename */
    $zip_filename = $root_path . 'zip-' . time() . '-' . rand(0, 999999) . '.zip';
    /* creating zip archive on the server */
    $zip = new ZipArchive;
    $zip->open($zip_filename, ZipArchive::CREATE);
    
    $query = db_select('lab_migration_experiment');
    $query->fields('lab_migration_experiment');
    $query->condition('proposal_id', $lab_id);
    $experiment_q = $query->execute();
    while ($experiment_row = $experiment_q->fetchObject())
      {
        $EXP_PATH = 'EXP' . $experiment_row->number . '/';
        $query = db_select('lab_migration_solution');
        $query->fields('lab_migration_solution');
        $query->condition('experiment_id', $experiment_row->id);
        $query->condition('approval_status', 1);
        $solution_q = $query->execute();
        /* approved solutions */
        while ($solution_row = $solution_q->fetchObject())
          {
            $CODE_PATH = 'CODE' . $solution_row->code_number . '/';
            $solution_files_q = db_query("SELECT lmsf.*, lmp.directory_name FROM lab_migration_solution_files lmsf JOIN lab_migration_solution lms JOIN lab_migration_experiment lme JOIN lab_migration_proposal lmp WHERE lms.id = lmsf.solution_id AND lme.id = lms.experiment_id AND lmp.id = lme.proposal_id AND lmsf.solution_id = :solution_id", array(':solution_id' => $solution_row->id));
            while ($solution_files_row = $solution_files_q->fetchObject())
              {
                //var_dump($solution_files_row);die;
                $zip->addFile($root_path . $solution_files_row->directory_name. '/' . $solution_files_row->filepath, $APPROVE_PATH . $EXP_PATH . $CODE_PATH . $solution_files_row->filename);
              }
          }
        /* unapproved solutions */
        $query = db_select('lab_migration_solution');
        $query->fields('lab_migration_solution');
        $query->condition('experiment_id', $experiment_row->id);
        $query->condition('approval_status', 0);
        $solution_q = $query->execute();
        while ($solution_row = $solution_q->fetchObject())
          {
            //var_dump($solution_row->id);
            $CODE_PATH = 'CODE' . $solution_row->code_number . '/';
            $solution_files_q = db_query("SELECT lmsf.*, lmp.directory_name FROM lab_migration_solution_files lmsf JOIN lab_migration_solution lms JOIN lab_migration_experiment lme JOIN lab_migration_proposal lmp WHERE lms.id = lmsf.solution_id AND lme.id = lms.experiment_id AND lmp.id = lme.proposal_id AND lmsf.solution_id = :solution_id", array(':solution_id' => $solution_row->id));
            while ($solution_files_row = $solution_files_q->fetchObject())
              {
                $zip->addFile($root_path .$solution_files_row->directory_name . '/' . $solution_files_row->filepath, $LAB_PATH . $PENDING_PATH . $EXP_PATH . $CODE_PATH . $solution_files_row->filename);
              }
          }
          }
      //die;
    $zip_file_count = $zip->numFiles;
    $zip->close();
    if ($zip_file_count > 0)
      {
        /* download zip file */
        ob_clean();
        //flush();
        header('Content-Type: application/zip');
        header('Content-disposition: attachment; filename="' . $lab_data->lab_title . '.zip"');
        header('Content-Length: ' . filesize($zip_filename));
        readfile($zip_filename);
        unlink($zip_filename);
      }
    else
      {
        drupal_set_message("There are no solutions in this lab to download", 'error');
        drupal_goto('lab-migration/code-approval/bulk');
      }
}