function merci_validate_merci_selected_items in MERCI (Manage Equipment Reservations, Checkout and Inventory) 6.2

Same name and namespace in other branches

1. 7.2 includes/api.inc \merci_validate_merci_selected_items()

@file MERCI - Managed Equipment Reservation Checkout and Inventory

1 call to merci_validate_merci_selected_items()

merci_node_validate in ./merci.module

Implementation of hook_validate().

File

includes/api.inc, line 9

MERCI - Managed Equipment Reservation Checkout and Inventory

Code

function merci_validate_merci_selected_items($form, &$form_state) {
  $node = (object) $form_state['values'];

  // ****
  // Build date objects we'll need for our different validations.
  // ****
  $start = $node->field_merci_date[0]['value'];
  $end = $node->field_merci_date[0]['value2'];
  $messages = array();
  foreach ($node->merci_reservation_items as $did => $item) {
    if (empty($item['merci_item_nid'])) {
      continue;
    }

    // Bucket choice?
    if (!is_numeric($item['merci_item_nid'])) {
      $item['type'] = $item['merci_item_nid'];
      $item['merci_item_nid'] = 0;
    }

    // Get the title of the item.
    // Also get the content type for new resource items.
    if (!isset($item['item_title']) or !isset($item['type'])) {
      $new_item = node_load($item['merci_item_nid']);
      if ($new_item) {
        $item['item_title'] = $new_item->title;
        $item['type'] = $new_item->type;
      }
      else {

        //TODO: should not be doing theming here.
        $content_settings = merci_load_item_settings($item['type']);
        $item['item_title'] = $content_settings->type_name;
      }
    }
    $messages[$did] = '';
    if (isset($item['type'])) {
      $type = $item['type'];
      $item_nid = $item['merci_item_nid'];
      $title = $item['item_title'];

      // Is this content type active?
      $content_settings = merci_load_item_settings($type);
      if ($content_settings->merci_active_status != MERCI_STATUS_ACTIVE) {
        $messages[$did] = '<div> ' . t("%name is not active.", array(
          '%name' => $title,
        )) . '</div>';
        form_set_error("merci_reservation_items][{$did}][merci_item_nid", $messages[$did]);
        continue;
      }

      // Does the user have access to manage reservations or this content type?
      if (!user_access('manage reservations') && !merci_check_content_type_user_permissions($type)) {
        $messages[$did] = '<div> ' . t("You do not have permission to reserve %name.", array(
          '%name' => $title,
        )) . '</div>';
        form_set_error("merci_reservation_items][{$did}][merci_item_nid", $messages[$did]);
        continue;
      }

      // Did the user select too many of the same bucket item?
      if (merci_type_setting($type) == 'bucket') {
        $selected_count[$type] = isset($selected_count[$type]) ? $selected_count[$type] + 1 : 1;
        if (!isset($inventory_count[$type])) {
          $inventory_count[$type] = merci_get_available_bucket_count($type);
        }
        if ($selected_count[$type] > $inventory_count[$type]) {
          $messages[$did] = '<div> ' . t("You've selected too many %name's.  We only have %amount in the current inventory.", array(
            '%name' => $title,
            '%amount' => $inventory_count[$type],
          )) . '</div>';
          form_set_error("merci_reservation_items][{$did}][merci_item_nid", $messages[$did]);
          continue;
        }
      }

      // Did the user select too many of the same item?
      if ($item_nid) {
        if (isset($selected_count[$item_nid])) {
          $inventory_count = 1;
          $messages[$did] = '<div> ' . t("You've selected too many %name's.  We only have %amount in the current inventory.", array(
            '%name' => $title,
            '%amount' => $inventory_count,
          )) . '</div>';
          form_set_error("merci_reservation_items][{$did}][merci_item_nid", $messages[$did]);
          continue;
        }
        else {
          $selected_count[$item_nid] = 1;
        }
      }

      // Is it available?
      // Are we checking an existing item?
      $nid = isset($item['did']) ? $node->nid : NULL;

      // Is the item available at this time?
      $count = merci_is_item_reservable($item_nid, $type, $start, $end, $nid);
      if (!$count or empty($item_nid) and merci_type_setting($type) == 'bucket' and $count - $selected_count[$type] < 0) {
        $messages[$did] = merci_theme_conflict_grid($type, $title, $start, $end, $item_nid, $node->nid);
        form_set_error("merci_reservation_items][{$did}][merci_item_nid", $messages[$did]);
        continue;
      }

      // How many items are overdue and thus unavailable at this time?
      $overdue_items_array = merci_overdue_items($type, $start, $node->nid);
      $overdue_count = 0;
      $overdue_message = '';
      if (empty($item_nid) and !empty($overdue_items_array) or !empty($item_nid) and array_key_exists($item_nid, $overdue_items_array)) {
        $overdue_message = '<div> ' . t("%name is not available because it is still checked out by:", array(
          '%name' => $title,
        )) . '</div>';
        foreach ($overdue_items_array as $reservations) {
          foreach (array_keys($reservations) as $nid) {
            $overdue = node_load($nid);
            $overdue_message .= '<div> ' . l($overdue->title, 'node/' . $overdue->nid) . '</div>';

            // Item is overdue so decriment the number of items available.
            $overdue_count++;
          }
        }
      }

      // Show the error if conflict due to overdue.
      if ($overdue_count and $count - $overdue_count <= 0) {

        // But also show conflict grid if bucket items not available due to other reservations at the same time.
        // Only done for buckets because resources always only have a count of 1 (if available) or 0 (not available).
        if (merci_type_setting($type) == 'bucket') {
          if ($inventory_count[$type] - $count > $overdue_count) {
            $overdue_message .= merci_theme_conflict_grid($type, $title, $start, $end, $item_nid, $node->vid);
            form_set_error("merci_reservation_items][{$did}][merci_item_nid", $messages[$did]);
          }
        }
        form_set_error("merci_reservation_items][{$did}][merci_item_nid", $overdue_message);
        continue;
      }

      // Check item restrictions.  max hours, etc.
      $restrictions = merci_check_content_type_restrictions($type, $start, $end);
      if (!empty($restrictions)) {
        foreach ($restrictions as $restriction) {
          $messages[$did] .= '<div>' . t($restriction, array(
            '%name' => $title,
          )) . '</div>';
        }
        form_set_error("merci_reservation_items][{$did}][merci_item_nid", $messages[$did]);
        continue;
      }
    }
  }
  return $messages;
}