<?php

/**
 * Implementation of hook_views_api().
 */
function notifications_views_views_api() {
  return array('api' => 2);
}

/**
 * Implementation of hook_views_data().
 */
function notifications_views_views_data() {
  $data = array();

  // ---------------------
  // Messaging base table
  // ---------------------
  $data['messaging_store'] = array(
    // Table info.
    'table' => array(
      'group' => t('Messaging'),
      'base' => array(
        'field' => 'mqid',
        'title' => t('Messaging'),
        'help' => t('Messaging store.'),
        'weight' => 0,
      ),
    ),
  );

  $data['messaging_store']['mqid'] = array(
    'title' => t('MQID'),
    'help' => t('The ID of the message'),
    'field' => array(
      'handler' => 'views_handler_field',
      'click sortable' => TRUE,
    ),
    'sort' => array(
      'handler' => 'views_handler_sort',
    ),
  );

  $data['messaging_store']['subject'] = array(
    'title' => t('Subject'),
    'help' => t('The subject of the message'),
    'field' => array(
      'handler' => 'views_handler_field',
      'click sortable' => TRUE,
    ),
    'sort' => array(
      'handler' => 'views_handler_sort',
    ),
  );

  $data['messaging_store']['body'] = array(
    'title' => t('Message'),
    'help' => t('The body of the message'),
    'field' => array(
        'handler' => 'notifications_views_handler_field_body',
    ),
  );
  
  $data['messaging_store']['created'] = array(
    'title' => t('Creation date'),
    'help' => t('The date that the message was created.'),
    'field' => array(
      'handler' => 'views_handler_field',
    ),
    'sort' => array(
      'handler' => 'views_handler_sort',
    ),
  );
  
  $data['messaging_store']['delete_link'] = array(
    'title' => t('Delete link'),
    'help' => t('Provides a link to delete the message'),
    'field' => array(
        'handler' => 'notifications_views_handler_field_delete_link',
    ),
  );

  $data['messaging_store']['method'] = array(
    'title' => t('Method'),
    'help' => t('The delivery method for the message'),
    'field' => array(
      'handler' => 'views_handler_field',
    ),
  );

  $data['messaging_store']['sender'] = array(
    'title' => t('Sender'),
    'help' => t("The User ID of the message sender."),
    'relationship' => array(
      'base' => 'users',
      'field' => 'uid',
      'handler' => 'views_handler_relationship',
      'label' => t('Sender'),
    ),
  );

  $data['messaging_store']['uid'] = array(
    'title' => t('Receiver'),
    'help' => t("The User ID of the message receiver."),
    'relationship' => array(
      'base' => 'users',
      'field' => 'uid',
      'handler' => 'views_handler_relationship',
      'label' => t('Receiver'),
    ),
  );

  // ----------------------------------------------
  // Notifications base & joins to users and node
  // ----------------------------------------------

  // Notifications
  $data['notifications']['table']['group'] = t('Notifications');
  $data['notifications']['table']['base'] = array(
        'field' => 'sid',
        'title' => t('Notifications'),
        'help' => t('Notifications subscriptions.'),
        'weight' => 0,
  );
  $data['notifications']['table']['join'] = array(
    'node' => array(
      'table' => 'notifications',
      'left_field' => 'sid',
      'field' => 'sid',
      'left_table' => 'notifications_fields',
    ),
    'users' => array(
      'table' => 'notifications',
      'left_field' => 'uid',
      'field' => 'uid',
      'left_table' => 'users',
    ),
  );

  $data['notifications']['uid_current'] = array(
    'title' => t('Subscription by the current user'),
    'help' => t('Filter the view to the currently logged in user.'),
    'filter' => array(
      'real field' => 'uid',
      'title' => t('Current'),
      'handler' => 'views_handler_filter_user_current',
    ),
  );

  //filter by the author to which people are subscribed
  $data['notifications']['uid'] = array(
    'title' => t('Subscriber UID'),
    'help' => t('The UID of the subscriber.'), // The help that appears on the UI,
    // Information for accepting a nid as an argument
    'argument' => array(
      'handler' => 'views_handler_argument_user_uid',
      'parent' => 'views_handler_argument_numeric', // make sure parent is included
      // 'name field' => 'title', // the field to display in the summary.
      'numeric' => TRUE,
    ),
    'relationship' => array(
      'base' => 'users',
      'field' => 'uid',
      'handler' => 'views_handler_relationship',
      'label' => t('Subscriber'),
    ),
  );

  $data['notifications']['send_method'] = array(
    'title' => t('Send method'),
    'help' => t('Subscription send method.'),
    'field' => array(
      'handler' => 'views_handler_field',
    ),
    'filter' => array(
      'title' => t('Method'),
      'handler' => 'notifications_views_handler_filter_subscription_send_method',
    ),
  );
  $data['notifications']['type'] = array(
    'title' => t('Type'),
    'help' => t('Subscription type.'),
    'field' => array(
      'handler' => 'views_handler_field',
    ),
    'filter' => array(
      'title' => t('Type'),
      'handler' => 'notifications_views_handler_filter_subscription_type',
    ),
    'argument' => array(
      'handler' => 'views_handler_argument_string',
    ),
    'sort' => array(
      'handler' => 'views_handler_sort',
    ),
  );
  $data['notifications']['send_interval'] = array(
    'title' => t('Send Interval'),
    'help' => t('Subscription send interval.'),
    'field' => array(
      'handler' => 'notifications_views_handler_field_subscription_interval',
    ),
    'filter' => array(
      'title' => t('Send Interval'),
      'handler' => 'notifications_views_handler_filter_subscription_interval',
    ),
    'sort' => array(
      'handler' => 'views_handler_sort',
    ),
  );

  // -------------------------------------------------------------
  // Notifications_fields joins to users, node, and notifications
  // -------------------------------------------------------------

  $data['notifications_fields']['table']['group'] = t('Notifications');
  $data['notifications_fields']['table']['join'] = array(
    'users' => array(
      'table' => 'notifications_fields',
      'left_field' => 'sid',
      'field' => 'sid',
      'left_table' => 'notifications',
    ),
    'node' => array(
      'table' => 'notifications_fields',
      'left_field' => 'nid',
      'field' => 'value',
      'extra' => array(
        array('field' => 'field', 'value' => 'nid'),
      ),
    ),
    'notifications' => array(
      'table' => 'notifications_fields',
      'left_field' => 'sid',
      'field' => 'sid',
      'left_table' => 'notifications',
    ),
  );

  //filter by the nid of the subscribed node
  $data['notifications_fields']['nid'] = array(
    'title' => t('Subscribed Nid'),
    'help' => t('The node ID of the subscribed node.'), // The help that appears on the UI,
    // Information for accepting a nid as an argument
    'argument' => array(
      'real field' => 'value',
      'handler' => 'views_handler_argument_node_nid',
      'parent' => 'views_handler_argument_numeric', // make sure parent is included
      // 'name field' => 'title', // the field to display in the summary.
      'numeric' => TRUE,
      'validate type' => 'nid',
      'extra' => array(
        array('field' => 'field', 'value' => 'nid'),
      ),
    ),
    //link to the node
    'relationship' => array(
      'base' => 'node',
      'real field' => 'value',
      'handler' => 'notifications_views_handler_relationship',
      'label' => t('Thread'),
      'extra' => array(
        array('field' => 'field', 'value' => 'nid', 'table' => 'notifications_fields'),
      ),
    ),
  );

  //filter by the author to which people are subscribed
  $data['notifications_fields']['author'] = array(
    'title' => t('Subscribed Author'),
    'help' => t('The UID of the subscribed author.'), // The help that appears on the UI,
    // Information for accepting an author as an argument
    'argument' => array(
      'real field' => 'value',
      'handler' => 'views_handler_argument_user_uid',
      'parent' => 'views_handler_argument_numeric', // make sure parent is included
      // 'name field' => 'title', // the field to display in the summary.
      'numeric' => TRUE,
      'extra' => array(
        array('field' => 'field', 'value' => 'author'),
      ),
    ),
    //link to the author
    'relationship' => array(
      'base' => 'users',
      'real field' => 'value',
      'handler' => 'notifications_views_handler_relationship',
      'label' => t('Author'),
      'extra' => array(
        array('field' => 'field', 'value' => 'author', 'table' => 'notifications_fields'),
      ),
    ),
  );


  return $data;
}


function notifications_views_views_handlers() {
  return array(
    'info' => array(
      'path' => drupal_get_path('module', 'notifications_views'),
    ),
    'handlers' => array(
      // filter handlers
      'notifications_views_handler_filter_subscription_send_method' => array(
        'parent' => 'views_handler_filter_in_operator',
      ),
      'notifications_views_handler_filter_subscription_type' => array(
        'parent' => 'views_handler_filter_in_operator',
      ),
      'notifications_views_handler_filter_subscription_interval' => array(
        'parent' => 'views_handler_filter_in_operator',
      ),

      // arguments
      'notifications_views_handler_argument_subscription_type' => array(
        'parent' => 'views_handler_argument',
      ),

      // fields
      'notifications_views_handler_field_body' => array(
        'parent' => 'views_handler_field',
      ),
      'notifications_views_handler_field_delete_link' => array(
        'parent' => 'views_handler_field',
      ),
      'notifications_views_handler_field_subscription_type' => array(
        'parent' => 'views_handler_field',
      ),
      'notifications_views_handler_field_subscription_interval' => array(
        'parent' => 'views_handler_field',
      ),
      
      // relationships
      'notifications_views_handler_relationship' => array(
        'parent' => 'views_handler_relationship',
      ),
    ),
  );
}