Drupal 7: Overwrite views on the fly

foo.module

<?php

/**
 * Implements hook_views_pre_view().
 */
function HOOK_views_pre_view(&$view, &$display_id, &$args) {
  if ($view->name == 'company_contents') {
    $company_node = menu_get_object();

    if (!empty($company_node->field_contract_period[LANGUAGE_NONE][0])) {
      $filters = $view->display_handler->get_option('filters');

      $filters['created'] = array(
        'id' => 'created',
        'table' => 'node',
        'field' => 'created',
        'operator' => 'between',
        'value' => array(
          'min' => $company_node->field_contract_period[LANGUAGE_NONE][0]['value'],
          'max' => $company_node->field_contract_period[LANGUAGE_NONE][0]['value2'],
          'type' => 'date',
        )
      );

      $view->display_handler->override_option('filters', $filters);
    }
  }
}