spaces_og.module in Spaces 7

File

spaces_og/spaces_og.module

<?php

/**
 * Implements hook_ctools_plugin_api().
 */
function spaces_og_ctools_plugin_api($module, $api) {
  if ($module == "spaces" && $api == "spaces") {
    return array(
      "version" => 3,
    );
  }
  else {
    if ($module == 'spaces' && $api == 'plugins') {
      return array(
        'version' => 3,
      );
    }
  }
}

/**
 * Implements hook_enable().
 */
function spaces_og_enable() {

  // Configure purl, grab OG method, set to path if not configured.
  $purl_types = variable_get('purl_types', array());
  if (!variable_get('purl_method_spaces_og', FALSE)) {
    $purl_types['path'] = 'path';
    variable_set('purl_types', $purl_types);
    variable_set('purl_method_spaces_og', 'path');
  }

  // The next 2 lines are for Simpletest, it won't have it otherwise.
  // variable_get up top retrieves the settings from the host, while
  // variable_set here writes into the test site. As a result,
  // variable_get('purl_method_spaces_og') will retrieve the value of the host
  // site. If it is present in the host site, the initial configuration is not
  // being executed and the tests fail.
  variable_set('purl_types', $purl_types);
  variable_set('purl_method_spaces_og', variable_get('purl_method_spaces_og', FALSE));

  // Weight spaces_og to be after OG
  $weight = db_query("SELECT weight FROM {system} WHERE type = :type AND name = :name", array(
    ':type' => 'module',
    ':name' => 'og',
  ))
    ->fetchField();

  // TODO Please review the conversion of this statement to the D7 database API syntax.

  /* db_query("UPDATE {system} SET weight = %d WHERE name = 'spaces_og'", ($weight + 1)) */
  db_update('system')
    ->fields(array(
    'weight' => $weight + 1,
  ))
    ->condition('name', 'spaces_og')
    ->execute();
}

/**
 * Implements hook_purl_provider().
 */
function spaces_og_purl_provider() {
  $items = array();
  $items["spaces_og"] = array(
    'name' => t('Group space'),
    'description' => t('Sets a space as the active space.'),
    'callback' => 'spaces_init_space',
    'callback arguments' => array(
      'og',
    ),
    'example' => 'my-space',
  );
  return $items;
}

/**
 * Implements hook_spaces_plugins().
 */
function spaces_og_spaces_plugins() {
  $plugins = array();
  $plugins['space_og'] = array(
    'handler' => array(
      'path' => drupal_get_path('module', 'spaces_og') . '/plugins',
      'file' => 'space_og.inc',
      'class' => 'space_og',
      'parent' => 'space_type_purl',
    ),
  );
  return $plugins;
}

/**
 * Implements hook_spaces_registry().
 */
function spaces_og_spaces_registry() {
  return array(
    'types' => array(
      'og' => array(
        'title' => t('Group space'),
        'plugin' => 'space_og',
        'path' => 'node/%node',
      ),
    ),
  );
}

/**
 * Implements hook_spaces_presets().
 */
function spaces_og_spaces_presets() {
  $export = array();
  $spaces_presets = new stdClass();
  $spaces_presets->disabled = FALSE;

  /* Edit this to true to make a default spaces_presets disabled initially */
  $spaces_presets->api_version = 3;
  $spaces_presets->name = 'og_controlled';
  $spaces_presets->title = 'Controlled group';
  $spaces_presets->description = 'All users may view public content from this group. Users must request to join this group.';
  $spaces_presets->space_type = 'og';
  $spaces_presets->value = array(
    'variable' => array(
      'spaces_og_selective' => '1',
      'spaces_og_register' => 1,
      'spaces_og_directory' => 1,
      'spaces_og_private' => 0,
    ),
  );
  $export['og_controlled'] = $spaces_presets;
  $spaces_presets = new stdClass();
  $spaces_presets->disabled = FALSE;

  /* Edit this to true to make a default spaces_presets disabled initially */
  $spaces_presets->api_version = 3;
  $spaces_presets->name = 'og_private';
  $spaces_presets->title = 'Private group';
  $spaces_presets->description = 'Only members will be able to access this group. Membership is strictly managed by admins.';
  $spaces_presets->space_type = 'og';
  $spaces_presets->value = array(
    'variable' => array(
      'spaces_features' => array(),
      'spaces_preset_og' => 'og_private',
      'spaces_og_selective' => '3',
      'spaces_og_register' => 0,
      'spaces_og_directory' => 0,
      'spaces_og_private' => 1,
    ),
    'context' => array(),
  );
  $export['og_private'] = $spaces_presets;
  $spaces_presets = new stdClass();
  $spaces_presets->disabled = FALSE;

  /* Edit this to true to make a default spaces_presets disabled initially */
  $spaces_presets->api_version = 3;
  $spaces_presets->name = 'og_public';
  $spaces_presets->title = 'Public group';
  $spaces_presets->description = 'All users may view public content from this group. User may join this group at will.';
  $spaces_presets->space_type = 'og';
  $spaces_presets->value = array(
    'variable' => array(
      'spaces_features' => array(),
      'spaces_og_selective' => '0',
      'spaces_og_register' => 1,
      'spaces_og_directory' => 1,
      'spaces_og_private' => 0,
    ),
  );
  $export['og_public'] = $spaces_presets;
  return $export;
}

/**
 * Implements hook_menu().
 */
function spaces_og_menu() {
  $items = array();
  $items['user/%user/edit/groups'] = array(
    'file' => 'spaces_og.pages.inc',
    'title' => 'Groups',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'spaces_og_user_groups_form',
      1,
    ),
    'access callback' => 'user_edit_access',
    'access arguments' => array(
      1,
    ),
    'type' => MENU_LOCAL_TASK,
  );
  if (module_exists('ucreate')) {
    $items["og/users/%node/ucreate"] = array(
      'file' => 'spaces_og.pages.inc',
      'type' => MENU_LOCAL_TASK,
      'title' => 'Add new account',
      'page callback' => 'spaces_og_ucreate',
      'page arguments' => array(
        2,
      ),
      'access callback' => 'spaces_access_admin',
      'access arguments' => array(),
      'weight' => 1,
    );
  }
  return $items;
}

/**
 * Implements hook_menu_alter().
 */
function spaces_og_menu_alter(&$items) {
  if (isset($items['node/%node/features'])) {
    $items['node/%node/features']['access callback'] = 'spaces_og_access_admin';
    $items['node/%node/features']['access arguments'] = array(
      1,
    );
  }
  if (isset($items['node/%node/overrides'])) {
    $items['node/%node/overrides']['access callback'] = 'spaces_og_access_admin';
    $items['node/%node/overrides']['access arguments'] = array(
      1,
    );
  }
}

/**
 * Access callback for OG administrative items under node/%.
 * Prevents items from showing up under node types that are not groups.
 */
function spaces_og_access_admin($node) {
  return og_is_group_type($node->type) ? spaces_access_admin() : FALSE;
}

/**
 * Implements hook_user_categories().
 */
function spaces_og_user_categories() {
  $data = array();
  $data[] = array(
    'name' => 'groups',
    'title' => t('Groups'),
    'weight' => 10,
  );
  return $data;
}

/**
 * Implements hook_permission().
 */
function spaces_og_permission() {
  return array(
    'view users outside groups' => array(
      'title' => t('view users outside groups'),
      'description' => t('TODO Add a description for \'view users outside groups\''),
    ),
  );
}

/**
 * Implements hook_nodeapi().
 */
function spaces_og_nodeapi_OLD(&$node, $op, $teaser = NULL, $page = NULL) {

  // TODO Remaining code in this function needs to be moved to the appropriate new hook function.
  // Groups
  if (og_is_group_type($node->type)) {
    switch ($op) {
      case 'load':
        $modifier = purl_load(array(
          'id' => isset($node->nid) ? $node->nid : NULL,
          'provider' => 'spaces_og',
        ));
        $node->purl = $modifier['value'];
        break;
      case 'insert':
      case 'update':
        $space = spaces_load('og', $node->nid, TRUE);
        if ($space) {

          // Save preset values.
          if (!empty($node->spaces_preset_og)) {
            $space->controllers->variable
              ->set('spaces_preset_og', $node->spaces_preset_og);
          }

          // Configure OG directly from space object as node_save() may be
          // called from outside of actual group space.
          $selective = $space->controllers->variable
            ->get('spaces_og_selective');
          $node->og_selective = $selective === NULL ? OG_OPEN : $selective;
          $register = $space->controllers->variable
            ->get('spaces_og_register');
          $node->og_register = $register === NULL ? TRUE : $register;
          $directory = $space->controllers->variable
            ->get('spaces_og_directory');
          $node->og_directory = $directory === NULL ? TRUE : $directory;
          $private = $space->controllers->variable
            ->get('spaces_og_private');
          if ($op == 'update' && $private != $node->og_private) {

            // Privacy has changed, update og_public flags, and queue a rebuid.
            // TODO Please convert this statement to the D7 database API syntax.

            /* db_query("UPDATE {og_access_post} og_p
               INNER JOIN {og_ancestry} og_a ON og_p.nid = og_a.nid
               INNER JOIN {node} n ON og_p.nid = n.nid
               SET og_public = %d WHERE og_a.group_nid = %d", ! $private, $node->nid) */
            NULL;
            node_access_needs_rebuild(TRUE);
          }
          $node->og_private = $private === NULL ? FALSE : $private;
          og_update_group($node);
        }

        // Save PURL modifier.
        $modifier = array(
          'provider' => 'spaces_og',
          'id' => $node->nid,
        );
        if (is_array($node->purl) && !empty($node->purl['value'])) {
          $modifier['value'] = $node->purl['value'];
          purl_save($modifier);
        }
        else {
          if (empty($node->purl)) {
            $modifier['value'] = "{$node->type}-{$node->nid}";
            purl_save($modifier);
          }
        }
        break;
      case 'delete':
        spaces_delete('og', $node->nid);
        purl_delete(array(
          'provider' => 'spaces_og',
          'id' => $node->nid,
        ));
        break;
    }
  }
  else {
    if (!og_is_omitted_type($node->type)) {
      switch ($op) {
        case 'validate':

          // Enforce groups for OG. OG enforces audiences via required form
          // elements that Spaces removes.
          // @see og_form_add_og_audience()
          // @see _spaces_og_form_alter_node()
          if (variable_get('og_audience_required', FALSE) && empty($node->og_groups)) {
            if (isset($node->spaces_og_audience) && (int) $node->spaces_og_audience !== 0) {
              $node->og_groups[$node->spaces_og_audience] = $node->spaces_og_audience;
            }
            else {

              // @todo This error will leave none 'administer nodes' users in a
              // dead end. Ideally, access should be restricted on the menu
              // level.
              form_set_error('spaces_og_audience', t('This content type must be posted in a group.'));
            }
          }
          break;
        case 'prepare':
        case 'presave':
          $space = spaces_get_space();
          if ($space && $space->type == 'og') {
            _spaces_og_enforce_privacy($space->id, $node);
          }
          else {
            if (!empty($node->og_groups)) {
              _spaces_og_enforce_privacy(current($node->og_groups), $node);
            }
          }
          if (isset($node->spaces_og_audience) && (int) $node->spaces_og_audience !== 0) {
            $node->og_groups[$node->spaces_og_audience] = $node->spaces_og_audience;
          }
          break;
      }
    }
  }
}

/**
 * Implements hook_form_alter() for ctools_export_ui_edit_item().
 */
function spaces_og_form_ctools_export_ui_edit_item_form_alter(&$form, $form_state) {
  if (isset($form_state['item'], $form_state['item']->table, $form_state['item']->space_type) && $form_state['item']->space_type === 'og') {
    module_load_include('inc', 'spaces_og', 'spaces_og.pages');
    _spaces_og_form_spaces_preset_editor_alter($form, $form_state);
  }
}

/**
 * Implements hook_form_alter() for node_delete_confirm().
 */
function spaces_og_form_node_delete_confirm_alter(&$form, $form_state) {
  module_load_include('inc', 'spaces_og', 'spaces_og.pages');
  $node = node_load($form['nid']['#value']);
  if (og_is_group_type($node->type)) {
    $form['#submit'][] = '_spaces_og_node_delete_confirm_submit';
  }
  elseif (og_is_group_post_type($node->type)) {
    $space = spaces_get_space();
    if ($space && $space->type == 'og') {
      $preset_val = $space->controllers->variable
        ->get('site_frontpage', 'preset');
      $space_val = $space->controllers->variable
        ->get('site_frontpage', 'space');
      if (!empty($preset_val) || !empty($space_val)) {
        $form_state['#redirect'] = url('<front>', array(
          'absolute' => TRUE,
          'purl' => array(
            'provider' => 'spaces_og',
            'id' => $space->id,
          ),
        ));
      }
    }
  }
}

/**
 * Implements hook_form_alter().
 */
function spaces_og_form_alter(&$form, $form_state, $form_id) {
  if ($form['#id'] == 'node-form' && arg(0) . '/' . arg(1) != 'admin/content') {

    // Group nodes
    if (og_is_group_type($form['#node']->type)) {
      module_load_include('inc', 'spaces_og', 'spaces_og.pages');
      _spaces_og_form_alter_group($form, $form_state);
    }
    else {
      if (!og_is_omitted_type($form['#node']->type)) {
        module_load_include('inc', 'spaces_og', 'spaces_og.pages');
        _spaces_og_form_alter_node($form, $form_state);
      }
    }
  }
}

/**
 * Group form submit handler.
 */
function spaces_og_form_group_submit($form, &$form_state) {
  if (!empty($form_state['nid']) && ($space = spaces_load('og', $form_state['nid']))) {
    $preset_val = $space->controllers->variable
      ->get('site_frontpage', 'preset');
    $space_val = $space->controllers->variable
      ->get('site_frontpage', 'space');
    if (!empty($preset_val) || !empty($space_val)) {
      purl_goto($space->controllers->variable
        ->get('site_frontpage'), array(
        'purl' => array(
          'provider' => 'spaces_og',
          'id' => $space->id,
        ),
      ));
    }
    else {
      purl_goto("node/{$space->id}", array(
        'purl' => array(
          'provider' => 'spaces_og',
          'id' => $space->id,
        ),
      ));
    }
  }
}

/**
 * Custom subscription link - use "join" instead of "subscribe" - make it shorter.
 */
function spaces_og_subscription_link() {
  global $user;
  if ($user->uid && is_array($user->og_groups) && ($space = spaces_get_space())) {
    $gid = $space->id;
    $node = node_load($gid);

    // User is a member
    if (isset($user->og_groups[$gid])) {

      // Do not let managers leave the group -- TODO: figure out a
      // better workflow for these situations.
      if (!og_is_group_admin($node) && $node->og_selective != OG_CLOSED) {
        return array(
          'title' => t('Leave this group'),
          'href' => "og/unsubscribe/{$node->nid}/{$user->uid}",
          'query' => 'destination=' . $_GET['q'],
        );
      }
    }
    else {
      if (db_query("SELECT count(nid) FROM {og_uid} WHERE nid = :nid AND uid = :uid AND is_active = :is_active", array(
        ':nid' => $gid,
        ':uid' => $user->uid,
        ':is_active' => 0,
      ))
        ->fetchField()) {
        return array(
          'title' => t('Cancel request to join'),
          'href' => "og/unsubscribe/{$node->nid}/{$user->uid}",
          'query' => 'destination=' . $_GET['q'],
        );
      }
      else {
        if ($node->og_selective == OG_MODERATED) {
          return array(
            'title' => t('Request to join'),
            'href' => "og/subscribe/" . $node->nid,
            'query' => 'destination=' . $_GET['q'],
          );
        }
        elseif ($node->og_selective == OG_OPEN) {
          return array(
            'title' => t('Join this group'),
            'href' => "og/subscribe/" . $node->nid,
            'query' => 'destination=' . $_GET['q'],
          );
        }
      }
    }
  }
  return;
}

/**
 * Enforces OG group and privacy settings on a node.
 */
function _spaces_og_enforce_privacy($gid, &$node) {
  if ($group = node_load($gid)) {
    if ($group->og_private) {
      $node->og_public = OG_VISIBLE_GROUPONLY;
    }
    else {
      $node->og_public = OG_VISIBLE_BOTH;
    }
    $node->og_groups = array(
      $gid => $gid,
    );
    return TRUE;
  }
  return FALSE;
}

/**
 * Implements hook_context_page_reaction().
 * Allows Spaces OG to set the breadcrumb just prior to theme('page')
 * taking over.
 */
function spaces_og_context_page_reaction() {
  $space = spaces_get_space();
  if ($space && $space->type === 'og') {
    $item = menu_get_item();

    // Only set the breadcrumb if user has access to this page.
    if ($item['access']) {
      $bc = og_get_breadcrumb($space->group);
      $bc[0] = l(t('Home'), "", array(
        'purl' => array(
          'disabled' => TRUE,
        ),
      ));
      drupal_alter('spaces_og_breadcrumb', $bc);
      drupal_set_breadcrumb($bc);
    }
  }
}

/**
 * Implements hook_db_rewrite_sql().
 */
function spaces_og_db_rewrite_sql($query, $primary_table, $primary_field, $args) {
  switch ($primary_table) {
    case 'taxonomy_term_data':
    case 'td':
    case 't':

      // This check prevents rewrites of queries run against single nodes
      // (e.g. node_load()) and rewrites in the admin section of the site.
      if (arg(0) !== 'admin' && strpos($query, 'r.vid = %d') === FALSE) {
        $return = array();
        $return['distinct'] = 1;
        $return['join'] = "\n          LEFT JOIN {taxonomy_term_node} spaces_og_tn ON {$primary_table}.{$primary_field} = spaces_og_tn.tid\n          LEFT JOIN {taxonomy_vocabulary} spaces_og_v ON {$primary_table}.vid = spaces_og_v.vid\n          LEFT JOIN {og_ancestry} spaces_og_oga ON spaces_og_tn.nid = spaces_og_oga.nid\n          LEFT JOIN {node} spaces_og_n ON spaces_og_oga.group_nid = spaces_og_n.nid";

        // Show tags that haven't been used or are on non-og enabled nodes.
        $return['where'] = "(spaces_og_oga.group_nid IS NULL)";

        // Allow any terms that do not belong to a freetagging vocab.
        $return['where'] .= " OR (spaces_og_v.tags = 0)";

        // Allow any tags that belong to nodes in a user's groups.
        global $user;
        if (!empty($user->og_groups)) {
          $groups = array_keys($user->og_groups);
          $groups = implode(', ', $groups);
          $return['where'] .= " OR (spaces_og_oga.group_nid IN ({$groups}) AND spaces_og_n.status = 1)";
        }
        return $return;
      }
      break;
    case 'users':
    case 'u':

      // This check prevents rewrites of queries run to retrive single users,
      // (e.g. user_load()) and rewrites in the admin sectin of the site.
      if (arg(0) !== 'admin' && !user_access('view users outside groups') && strpos($query, 'uid = %d') === FALSE) {
        $return = array();
        $return['distinct'] = 1;
        $return['join'] = "\n          LEFT JOIN {og_uid} spaces_og_ogu ON {$primary_table}.{$primary_field} = spaces_og_ogu.uid\n          JOIN {node} spaces_og_n ON spaces_og_ogu.nid = spaces_og_n.nid";

        // Filter by user's groups.
        global $user;
        if (!empty($user->og_groups)) {
          $groups = array_keys($user->og_groups);
          $groups = implode(', ', $groups);
          $return['where'] = "\n            (spaces_og_ogu.nid IN ({$groups}) AND spaces_og_n.status = 1) OR\n            ({$primary_table}.{$primary_field} = {$user->uid})";
        }
        else {
          $return['where'] = "FALSE OR ({$primary_table}.{$primary_field} = {$user->uid})";
        }
        return $return;
      }
      break;
  }
}

/**
 * Implements hook_views_api().
 */
function spaces_og_views_api() {
  return array(
    'api' => 2,
    'path' => drupal_get_path('module', 'spaces_og') . '/views',
  );
}

Functions

Name	Description
spaces_og_access_admin	Access callback for OG administrative items under node/%. Prevents items from showing up under node types that are not groups.
spaces_og_context_page_reaction	Implements hook_context_page_reaction(). Allows Spaces OG to set the breadcrumb just prior to theme('page') taking over.
spaces_og_ctools_plugin_api	Implements hook_ctools_plugin_api().
spaces_og_db_rewrite_sql	Implements hook_db_rewrite_sql().
spaces_og_enable	Implements hook_enable().
spaces_og_form_alter	Implements hook_form_alter().
spaces_og_form_ctools_export_ui_edit_item_form_alter	Implements hook_form_alter() for ctools_export_ui_edit_item().
spaces_og_form_group_submit	Group form submit handler.
spaces_og_form_node_delete_confirm_alter	Implements hook_form_alter() for node_delete_confirm().
spaces_og_menu	Implements hook_menu().
spaces_og_menu_alter	Implements hook_menu_alter().
spaces_og_nodeapi_OLD	Implements hook_nodeapi().
spaces_og_permission	Implements hook_permission().
spaces_og_purl_provider	Implements hook_purl_provider().
spaces_og_spaces_plugins	Implements hook_spaces_plugins().
spaces_og_spaces_presets	Implements hook_spaces_presets().
spaces_og_spaces_registry	Implements hook_spaces_registry().
spaces_og_subscription_link	Custom subscription link - use "join" instead of "subscribe" - make it shorter.
spaces_og_user_categories	Implements hook_user_categories().
spaces_og_views_api	Implements hook_views_api().
_spaces_og_enforce_privacy	Enforces OG group and privacy settings on a node.