node_limit_og.module in Node Limit 6

Module to restrict the number of nodes within an organic group.

Implementation of hook_node_limit_applies_in_context().

File

node_limit_og/node_limit_og.module

<?php

/**
* @file
* Module to restrict the number of nodes within an organic group.

/**
* Implementation of hook_node_limit_applies_in_context().
*/
function node_limit_og_node_limit_applies_in_context($lid, $node, $user) {

  //TODO

  //return DOES_APPLY iff the $node is being created in this limit's group

  //return NEUTRAL iff the $node is for an OG, but not this OG

  //return DOESNT_APPLY iff the $node is not for an OG
  $limit = node_limit_og_node_limit_load($lid);
  if (empty($limit)) {
    return NODE_LIMIT_LIMIT_NEUTRAL;
  }
  return array(
    'node_limit_og' => NODE_LIMIT_LIMIT_DOES_APPLY,
  );
}

/**
 * Implementation of hook_node_limit_sql().
 */
function node_limit_og_node_limit_sql($lid) {
  $limit = node_limit_og_node_limit_load($lid);
  if (empty($limit)) {
    return array();
  }

  //TODO
  return array(
    'where' => array(
      sprintf('n.nid IN (SELECT og.nid FROM {og_ancestry} AS og WHERE og.group_nid = \'%d\')', $limit['node_limit_og']),
    ),
  );
}

/**
 * Implementation of hook_node_limit_element().
 */
function node_limit_og_node_limit_element($lid = 0) {
  $limit = node_limit_og_node_limit_load($lid);
  return array(
    'node_limit_og' => array(
      '#title' => t('Organic Group'),
      '#type' => 'select',
      '#options' => og_all_groups_options(),
      '#default_value' => $limit['node_limit_og'],
    ),
  );
}

/**
 * Implementation of hook_node_limit_element_validate().
 */
function node_limit_og_node_limit_element_validate($element) {

  /**
   * Validation:
   * must be a valid organic group
   */
  return TRUE;
}

/**
 * Implementation of hook_node_limit_save().
 */
function node_limit_og_node_limit_save($lid, $applies, $element) {
  if ($applies) {
    db_query("INSERT INTO {node_limit_og} VALUES('%d', '%d')", $lid, $element);
  }
}

/**
 * Implementation of hook_node_limit_delete().
 */
function node_limit_og_node_limit_delete($lid) {
  db_query("DELETE FROM {node_limit_og} WHERE `lid`='%d'", $lid);
}

/**
 * Implementation of hook_node_limit_load().
 */
function node_limit_og_node_limit_load($lid) {
  $sql = "SELECT * FROM {node_limit_og} WHERE `lid` = '%d'";
  $info = db_fetch_array(db_query($sql, $lid));
  if (intval($info['lid']) == 0) {
    return array();
  }
  return array(
    'node_limit_og' => $info['ogid'],
  );
}

Functions

Name	Description
node_limit_og_node_limit_applies_in_context	@file Module to restrict the number of nodes within an organic group.
node_limit_og_node_limit_delete	Implementation of hook_node_limit_delete().
node_limit_og_node_limit_element	Implementation of hook_node_limit_element().
node_limit_og_node_limit_element_validate	Implementation of hook_node_limit_element_validate().
node_limit_og_node_limit_load	Implementation of hook_node_limit_load().
node_limit_og_node_limit_save	Implementation of hook_node_limit_save().
node_limit_og_node_limit_sql	Implementation of hook_node_limit_sql().