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   1  <?php
   2  /**
   3   * BuddyPress Friends Streams Loader.
   4   *
   5   * The friends component is for users to create relationships with each other.
   6   *
   7   * @package BuddyPress
   8   * @subpackage Friends
   9   * @since 1.5.0
  10   */
  11  
  12  // Exit if accessed directly.
  13  defined( 'ABSPATH' ) || exit;
  14  
  15  /**
  16   * Defines the BuddyPress Friends Component.
  17   *
  18   * @since 1.5.0
  19   */
  20  class BP_Friends_Component extends BP_Component {
  21  
  22      /**
  23       * Start the friends component creation process.
  24       *
  25       * @since 1.5.0
  26       */
  27  	public function __construct() {
  28          parent::start(
  29              'friends',
  30              _x( 'Friend Connections', 'Friends screen page <title>', 'buddypress' ),
  31              buddypress()->plugin_dir,
  32              array(
  33                  'adminbar_myaccount_order' => 60
  34              )
  35          );
  36      }
  37  
  38      /**
  39       * Include bp-friends files.
  40       *
  41       * @since 1.5.0
  42       *
  43       * @see BP_Component::includes() for description of parameters.
  44       *
  45       * @param array $includes See {@link BP_Component::includes()}.
  46       */
  47  	public function includes( $includes = array() ) {
  48          $includes = array(
  49              'cache',
  50              'filters',
  51              'template',
  52              'functions',
  53              'widgets',
  54          );
  55  
  56          // Conditional includes.
  57          if ( bp_is_active( 'activity' ) ) {
  58              $includes[] = 'activity';
  59          }
  60          if ( bp_is_active( 'notifications' ) ) {
  61              $includes[] = 'notifications';
  62          }
  63  
  64          parent::includes( $includes );
  65      }
  66  
  67      /**
  68       * Late includes method.
  69       *
  70       * Only load up certain code when on specific pages.
  71       *
  72       * @since 3.0.0
  73       */
  74  	public function late_includes() {
  75          // Bail if PHPUnit is running.
  76          if ( defined( 'BP_TESTS_DIR' ) ) {
  77              return;
  78          }
  79  
  80          // Friends.
  81          if ( bp_is_user_friends() ) {
  82              // Authenticated actions.
  83              if ( is_user_logged_in() &&
  84                  in_array( bp_current_action(), array( 'add-friend', 'remove-friend' ), true )
  85              ) {
  86                  require $this->path . 'bp-friends/actions/' . bp_current_action() . '.php';
  87              }
  88  
  89              // User nav.
  90              require $this->path . 'bp-friends/screens/my-friends.php';
  91              if ( is_user_logged_in() && bp_is_user_friend_requests() ) {
  92                  require $this->path . 'bp-friends/screens/requests.php';
  93              }
  94          }
  95      }
  96  
  97      /**
  98       * Set up bp-friends global settings.
  99       *
 100       * The BP_FRIENDS_SLUG constant is deprecated, and only used here for
 101       * backwards compatibility.
 102       *
 103       * @since 1.5.0
 104       *
 105       * @see BP_Component::setup_globals() for description of parameters.
 106       *
 107       * @param array $args See {@link BP_Component::setup_globals()}.
 108       */
 109  	public function setup_globals( $args = array() ) {
 110          $bp = buddypress();
 111  
 112          // Deprecated. Do not use.
 113          // Defined conditionally to support unit tests.
 114          if ( ! defined( 'BP_FRIENDS_DB_VERSION' ) ) {
 115              define( 'BP_FRIENDS_DB_VERSION', '1800' );
 116          }
 117  
 118          // Define a slug, if necessary.
 119          if ( ! defined( 'BP_FRIENDS_SLUG' ) ) {
 120              define( 'BP_FRIENDS_SLUG', $this->id );
 121          }
 122  
 123          // Global tables for the friends component.
 124          $global_tables = array(
 125              'table_name'      => $bp->table_prefix . 'bp_friends',
 126              'table_name_meta' => $bp->table_prefix . 'bp_friends_meta',
 127          );
 128  
 129          // All globals for the friends component.
 130          // Note that global_tables is included in this array.
 131          $args = array(
 132              'slug'                  => BP_FRIENDS_SLUG,
 133              'has_directory'         => false,
 134              'search_string'         => __( 'Search Friends...', 'buddypress' ),
 135              'notification_callback' => 'friends_format_notifications',
 136              'global_tables'         => $global_tables
 137          );
 138  
 139          parent::setup_globals( $args );
 140      }
 141  
 142      /**
 143       * Set up component navigation.
 144       *
 145       * @since 1.5.0
 146       *
 147       * @see BP_Component::setup_nav() for a description of arguments.
 148       *
 149       * @param array $main_nav Optional. See BP_Component::setup_nav() for
 150       *                        description.
 151       * @param array $sub_nav  Optional. See BP_Component::setup_nav() for
 152       *                        description.
 153       */
 154  	public function setup_nav( $main_nav = array(), $sub_nav = array() ) {
 155  
 156          // Determine user to use.
 157          if ( bp_displayed_user_domain() ) {
 158              $user_domain = bp_displayed_user_domain();
 159          } elseif ( bp_loggedin_user_domain() ) {
 160              $user_domain = bp_loggedin_user_domain();
 161          } else {
 162              return;
 163          }
 164  
 165          $access       = bp_core_can_edit_settings();
 166          $slug         = bp_get_friends_slug();
 167          $friends_link = trailingslashit( $user_domain . $slug );
 168  
 169          // Add 'Friends' to the main navigation.
 170          $count = friends_get_total_friend_count();
 171          $class = ( 0 === $count ) ? 'no-count' : 'count';
 172  
 173          $main_nav_name = sprintf(
 174              /* translators: %s: Friend count for the current user */
 175              __( 'Friends %s', 'buddypress' ),
 176              sprintf(
 177                  '<span class="%s">%s</span>',
 178                  esc_attr( $class ),
 179                  bp_core_number_format( $count )
 180              )
 181          );
 182  
 183          $main_nav = array(
 184              'name'                => $main_nav_name,
 185              'slug'                => $slug,
 186              'position'            => 60,
 187              'screen_function'     => 'friends_screen_my_friends',
 188              'default_subnav_slug' => 'my-friends',
 189              'item_css_id'         => $this->id
 190          );
 191  
 192          // Add the subnav items to the friends nav item.
 193          $sub_nav[] = array(
 194              'name'            => _x( 'Friendships', 'Friends screen sub nav', 'buddypress' ),
 195              'slug'            => 'my-friends',
 196              'parent_url'      => $friends_link,
 197              'parent_slug'     => $slug,
 198              'screen_function' => 'friends_screen_my_friends',
 199              'position'        => 10,
 200              'item_css_id'     => 'friends-my-friends'
 201          );
 202  
 203          $sub_nav[] = array(
 204              'name'            => _x( 'Requests', 'Friends screen sub nav', 'buddypress' ),
 205              'slug'            => 'requests',
 206              'parent_url'      => $friends_link,
 207              'parent_slug'     => $slug,
 208              'screen_function' => 'friends_screen_requests',
 209              'position'        => 20,
 210              'user_has_access' => $access
 211          );
 212  
 213          parent::setup_nav( $main_nav, $sub_nav );
 214      }
 215  
 216      /**
 217       * Set up bp-friends integration with the WordPress admin bar.
 218       *
 219       * @since 1.5.0
 220       *
 221       * @see BP_Component::setup_admin_bar() for a description of arguments.
 222       *
 223       * @param array $wp_admin_nav See BP_Component::setup_admin_bar()
 224       *                            for description.
 225       */
 226  	public function setup_admin_bar( $wp_admin_nav = array() ) {
 227  
 228          // Menus for logged in user.
 229          if ( is_user_logged_in() ) {
 230  
 231              // Setup the logged in user variables.
 232              $friends_link = trailingslashit( bp_loggedin_user_domain() . bp_get_friends_slug() );
 233  
 234              // Pending friend requests.
 235              $count = count( friends_get_friendship_request_user_ids( bp_loggedin_user_id() ) );
 236              if ( !empty( $count ) ) {
 237                  $title = sprintf(
 238                      /* translators: %s: Pending friend request count for the current user */
 239                      _x( 'Friends %s', 'My Account Friends menu', 'buddypress' ),
 240                      '<span class="count">' . bp_core_number_format( $count ) . '</span>'
 241                  );
 242                  $pending = sprintf(
 243                      /* translators: %s: Pending friend request count for the current user */
 244                      _x( 'Pending Requests %s', 'My Account Friends menu sub nav', 'buddypress' ),
 245                      '<span class="count">' . bp_core_number_format( $count ) . '</span>'
 246                  );
 247              } else {
 248                  $title   = _x( 'Friends',            'My Account Friends menu',         'buddypress' );
 249                  $pending = _x( 'No Pending Requests','My Account Friends menu sub nav', 'buddypress' );
 250              }
 251  
 252              // Add the "My Account" sub menus.
 253              $wp_admin_nav[] = array(
 254                  'parent' => buddypress()->my_account_menu_id,
 255                  'id'     => 'my-account-' . $this->id,
 256                  'title'  => $title,
 257                  'href'   => $friends_link
 258              );
 259  
 260              // My Friends.
 261              $wp_admin_nav[] = array(
 262                  'parent'   => 'my-account-' . $this->id,
 263                  'id'       => 'my-account-' . $this->id . '-friendships',
 264                  'title'    => _x( 'Friendships', 'My Account Friends menu sub nav', 'buddypress' ),
 265                  'href'     => $friends_link,
 266                  'position' => 10
 267              );
 268  
 269              // Requests.
 270              $wp_admin_nav[] = array(
 271                  'parent'   => 'my-account-' . $this->id,
 272                  'id'       => 'my-account-' . $this->id . '-requests',
 273                  'title'    => $pending,
 274                  'href'     => trailingslashit( $friends_link . 'requests' ),
 275                  'position' => 20
 276              );
 277          }
 278  
 279          parent::setup_admin_bar( $wp_admin_nav );
 280      }
 281  
 282      /**
 283       * Set up the title for pages and <title>.
 284       *
 285       * @since 1.5.0
 286       */
 287  	public function setup_title() {
 288  
 289          // Adjust title.
 290          if ( bp_is_friends_component() ) {
 291              $bp = buddypress();
 292  
 293              if ( bp_is_my_profile() ) {
 294                  $bp->bp_options_title = __( 'Friendships', 'buddypress' );
 295              } else {
 296                  $bp->bp_options_avatar = bp_core_fetch_avatar( array(
 297                      'item_id' => bp_displayed_user_id(),
 298                      'type'    => 'thumb',
 299                      'alt'     => sprintf( __( 'Profile picture of %s', 'buddypress' ), bp_get_displayed_user_fullname() )
 300                  ) );
 301                  $bp->bp_options_title = bp_get_displayed_user_fullname();
 302              }
 303          }
 304  
 305          parent::setup_title();
 306      }
 307  
 308      /**
 309       * Setup cache groups.
 310       *
 311       * @since 2.2.0
 312       */
 313  	public function setup_cache_groups() {
 314  
 315          // Global groups.
 316          wp_cache_add_global_groups( array(
 317              'bp_friends_requests',
 318              'bp_friends_friendships', // Individual friendship objects are cached here by ID.
 319              'bp_friends_friendships_for_user' // All friendship IDs for a single user.
 320          ) );
 321  
 322          parent::setup_cache_groups();
 323      }
 324  }