<?php

/**

 * @file

 * Admin page callbacks for the Contact module.

 */

/**

 * Categories/list tab.

 */

function contact_category_list() {

  $header = array(

    t('Category'),

    t('Recipients'),

    t('Selected'),

    array('data' => t('Operations'), 'colspan' => 2),

  );

  $rows = array();

  // Get all the contact categories from the database.

  $categories = db_select('contact', 'c')

    ->addTag('translatable')

    ->fields('c', array('cid', 'category', 'recipients', 'selected'))

    ->orderBy('weight')

    ->orderBy('category')

    ->execute()

    ->fetchAll();

  // Loop through the categories and add them to the table.

  foreach ($categories as $category) {

    $rows[] = array(

      check_plain($category->category),

      check_plain($category->recipients),

      ($category->selected ? t('Yes') : t('No')),

      l(t('Edit'), 'admin/structure/contact/edit/' . $category->cid),

      l(t('Delete'), 'admin/structure/contact/delete/' . $category->cid),

    );

  }

  if (!$rows) {

    $rows[] = array(array(

      'data' => t('No categories available.'),

      'colspan' => 5,

    ));

  }

  $build['category_table'] = array(

    '#theme' => 'table',

    '#header' => $header,

    '#rows' => $rows,

  );

  return $build;

}

/**

 * Form constructor for the category edit form.

 *

 * @param $category

 *   An array describing the category to be edited. May be empty for new

 *   categories. Recognized array keys are:

 *   - category: The name of the category.

 *   - recipients: A comma-separated list of recipients.

 *   - reply: (optional) The body of the auto-reply message.

 *   - weight: The weight of the category.

 *   - selected: Boolean indicating whether the category should be selected by

 *     default.

 *   - cid: The category ID for which the form is to be displayed.

 *

 * @see contact_category_edit_form_validate()

 * @see contact_category_edit_form_submit()

 * @ingroup forms

 */

function contact_category_edit_form($form, &$form_state, array $category = array()) {

  // If this is a new category, add the default values.

  $category += array(

    'category' => '',

    'recipients' => '',

    'reply' => '',

    'weight' => 0,

    'selected' => 0,

    'cid' => NULL,

  );

  $form['category'] = array(

    '#type' => 'textfield',

    '#title' => t('Category'),

    '#maxlength' => 255,

    '#default_value' => $category['category'],

    '#description' => t("Example: 'website feedback' or 'product information'."),

    '#required' => TRUE,

  );

  $form['recipients'] = array(

    '#type' => 'textarea',

    '#title' => t('Recipients'),

    '#default_value' => $category['recipients'],

    '#description' => t("Example: 'webmaster@example.com' or 'sales@example.com,support@example.com' . To specify multiple recipients, separate each e-mail address with a comma."),

    '#required' => TRUE,

  );

  $form['reply'] = array(

    '#type' => 'textarea',

    '#title' => t('Auto-reply'),

    '#default_value' => $category['reply'],

    '#description' => t('Optional auto-reply. Leave empty if you do not want to send the user an auto-reply message.'),

  );

  $form['weight'] = array(

    '#type' => 'weight',

    '#title' => t('Weight'),

    '#default_value' => $category['weight'],

    '#description' => t('When listing categories, those with lighter (smaller) weights get listed before categories with heavier (larger) weights. Categories with equal weights are sorted alphabetically.'),

  );

  $form['selected'] = array(

    '#type' => 'select',

    '#title' => t('Selected'),

    '#options' => array(

      0 => t('No'),

      1 => t('Yes'),

    ),

    '#default_value' => $category['selected'],

    '#description' => t('Set this to <em>Yes</em> if you would like this category to be selected by default.'),

  );

  $form['cid'] = array(

    '#type' => 'value',

    '#value' => $category['cid'],

  );

  $form['actions'] = array('#type' => 'actions');

  $form['actions']['submit'] = array(

    '#type' => 'submit',

    '#value' => t('Save'),

  );

  return $form;

}

/**

 * Form validation handler for contact_category_edit_form().

 *

 * @see contact_category_edit_form_submit()

 */

function contact_category_edit_form_validate($form, &$form_state) {

  // Validate and each e-mail recipient.

  $recipients = explode(',', $form_state['values']['recipients']);

  // When creating a new contact form, or renaming the category on an existing

  // contact form, make sure that the given category is unique.

  $category = $form_state['values']['category'];

  $query = db_select('contact', 'c')->condition('c.category', $category, '=');

  if (!empty($form_state['values']['cid'])) {

    $query->condition('c.cid', $form_state['values']['cid'], '<>');

  }

  if ($query->countQuery()->execute()->fetchField()) {

    form_set_error('category', t('A contact form with category %category already exists.', array('%category' => $category)));

  }

  foreach ($recipients as &$recipient) {

    $recipient = trim($recipient);

    if (!valid_email_address($recipient)) {

      form_set_error('recipients', t('%recipient is an invalid e-mail address.', array('%recipient' => $recipient)));

    }

  }

  $form_state['values']['recipients'] = implode(',', $recipients);

}

/**

 * Form submission handler for contact_category_edit_form().

 *

 * @see contact_category_edit_form_validate()

 */

function contact_category_edit_form_submit($form, &$form_state) {

  if ($form_state['values']['selected']) {

    // Unselect all other contact categories.

    db_update('contact')

      ->fields(array('selected' => '0'))

      ->execute();

  }

  if (empty($form_state['values']['cid'])) {

    drupal_write_record('contact', $form_state['values']);

  }

  else {

    drupal_write_record('contact', $form_state['values'], array('cid'));

  }

  drupal_set_message(t('Category %category has been saved.', array('%category' => $form_state['values']['category'])));

  watchdog('contact', 'Category %category has been saved.', array('%category' => $form_state['values']['category']), WATCHDOG_NOTICE, l(t('Edit'), 'admin/structure/contact/edit/' . $form_state['values']['cid']));

  $form_state['redirect'] = 'admin/structure/contact';

}

/**

 * Form constructor for the contact category deletion form.

 *

 * @param $contact

 *   Array describing the contact category to be deleted. See the documentation

 *   of contact_category_edit_form() for the recognized keys.

 *

 * @see contact_menu()

 * @see contact_category_delete_form_submit()

 */

function contact_category_delete_form($form, &$form_state, array $contact) {

  $form['contact'] = array(

    '#type' => 'value',

    '#value' => $contact,

  );

  return confirm_form(

    $form,

    t('Are you sure you want to delete %category?', array('%category' => $contact['category'])),

    'admin/structure/contact',

    t('This action cannot be undone.'),

    t('Delete'),

    t('Cancel')

  );

}

/**

 * Form submission handler for contact_category_delete_form().

 */

function contact_category_delete_form_submit($form, &$form_state) {

  $contact = $form['contact']['#value'];

  db_delete('contact')

    ->condition('cid', $contact['cid'])

    ->execute();

  drupal_set_message(t('Category %category has been deleted.', array('%category' => $contact['category'])));

  watchdog('contact', 'Category %category has been deleted.', array('%category' => $contact['category']), WATCHDOG_NOTICE);

  $form_state['redirect'] = 'admin/structure/contact';

}