crm_core.module

<?php

/**
 * @file
 * Provides basic functionality for a CRM Core.
 */

/**
 * Implements hook_hook_info().
 */
function crm_core_hook_info() {
  $hooks = array(
    'crm_core_entity_access' => array(
      'group' => 'crm_core',
    ),
  );
}

/**
 * Return permission names for a given entity type.
 */
function crm_core_entity_access_permissions($entity_type) {
  $entity_info = entity_get_info($entity_type);
  $labels = $entity_info['permission labels'];

  $permissions = array();

  // General 'administer' permission.
  $permissions['administer ' . $entity_type . ' entities'] = array(
    'title' => t('Administer @entity_type', array('@entity_type' => $labels['plural'])),
    'description' => t('Allows users to perform any action on @entity_type.', array('@entity_type' => $labels['plural'])),
    'restrict access' => TRUE,
  );

  // Generic create and edit permissions.
  $permissions['create ' . $entity_type . ' entities'] = array(
    'title' => t('Create @entity_type of any type', array('@entity_type' => $labels['plural'])),
  );
  if (!empty($entity_info['access arguments']['user key'])) {
    $permissions['edit own ' . $entity_type . ' entities'] = array(
      'title' => t('Edit own @entity_type of any type', array('@entity_type' => $labels['plural'])),
    );
  }
  $permissions['edit any ' . $entity_type . ' entity'] = array(
    'title' => t('Edit any @entity_type of any type', array('@entity_type' => $labels['singular'])),
    'restrict access' => TRUE,
  );
  if (!empty($entity_info['access arguments']['user key'])) {
    $permissions['view own ' . $entity_type . ' entities'] = array(
      'title' => t('View own @entity_type of any type', array('@entity_type' => $labels['plural'])),
    );
  }
  $permissions['view any ' . $entity_type . ' entity'] = array(
    'title' => t('View any @entity_type of any type', array('@entity_type' => $labels['singular'])),
    'restrict access' => TRUE,
  );

  // Per-bundle create and edit permissions.
  if (!empty($entity_info['entity keys']['bundle'])) {
    foreach ($entity_info['bundles'] as $bundle_name => $bundle_info) {
      $permissions += crm_core_bundle_access_permissions($bundle_name, $bundle_info, $entity_type, $entity_info);
    }

  }

  return $permissions;
}

/**
 * Define per-bundle permissions.
 */
function crm_core_bundle_access_permissions($bundle_name, $bundle_info, $entity_type, $entity_info = array()) {
  $labels = $entity_info['permission labels'];

  $permissions['create ' . $entity_type . ' entities of bundle ' . $bundle_name] = array(
    'title' => t('Create %bundle @entity_type', array('@entity_type' => $labels['plural'], '%bundle' => $bundle_info['label'])),
  );
  if (!empty($entity_info['access arguments']['user key'])) {
    $permissions['edit own ' . $entity_type . ' entities of bundle ' . $bundle_name] = array(
      'title' => t('Edit own %bundle @entity_type', array('@entity_type' => $labels['plural'], '%bundle' => $bundle_info['label'])),
    );
  }
  $permissions['edit any ' . $entity_type . ' entity of bundle ' . $bundle_name] = array(
    'title' => t('Edit any %bundle @entity_type', array('@entity_type' => $labels['singular'], '%bundle' => $bundle_info['label'])),
    'restrict access' => TRUE,
  );
  if (!empty($entity_info['access arguments']['user key'])) {
    $permissions['delete own ' . $entity_type . ' entities of bundle ' . $bundle_name] = array(
      'title' => t('Delete own %bundle @entity_type', array('@entity_type' => $labels['plural'], '%bundle' => $bundle_info['label'])),
    );
  }
  $permissions['delete any ' . $entity_type . ' entity of bundle ' . $bundle_name] = array(
    'title' => t('Delete any %bundle @entity_type', array('@entity_type' => $labels['singular'], '%bundle' => $bundle_info['label'])),
    'restrict access' => TRUE,
  );
  if (!empty($entity_info['access arguments']['user key'])) {
    $permissions['view own ' . $entity_type . ' entities of bundle ' . $bundle_name] = array(
      'title' => t('View own %bundle @entity_type', array('@entity_type' => $labels['plural'], '%bundle' => $bundle_info['label'])),
    );
  }
  $permissions['view any ' . $entity_type . ' entity of bundle ' . $bundle_name] = array(
    'title' => t('View any %bundle @entity_type', array('@entity_type' => $labels['singular'], '%bundle' => $bundle_info['label'])),
    'restrict access' => TRUE,
  );

  return $permissions;
}