BP_REST_Members_Details_Endpoint::get_item( WP_REST_Request $request )

	public function get_item( $request ) {
		$retval = array();
		global $bp;

		$current_user_id = $request->get_param( 'id' );
		$this->user_id   = $current_user_id;
		if ( empty( $current_user_id ) ) {
			$current_user_id = bp_loggedin_user_id();
		}

		if ( empty( $current_user_id ) ) {
			return new WP_Error(
				'bp_rest_component_required',
				__( 'Sorry, Invalid member ID.', 'buddyboss' ),
				array(
					'status' => '404',
				)
			);
		}

		$user = bp_rest_get_user( $current_user_id );

		if ( ! $user instanceof WP_User ) {
			return new WP_Error(
				'bp_rest_member_invalid_id',
				__( 'Invalid member ID.', 'buddyboss' ),
				array(
					'status' => 404,
				)
			);
		}

		add_filter( 'bp_displayed_user_id', array( $this, 'bp_rest_get_displayed_user' ), 999 );
		bp_setup_nav();
		remove_filter( 'bp_displayed_user_id', array( $this, 'bp_rest_get_displayed_user' ), 999 );

		$profile_tabs = array();
		$default_tab  = 'profile';
		$navs         = buddypress()->members->nav;

		// if it's nouveau then let it order the tabs.
		if ( function_exists( 'bp_nouveau_set_nav_item_order' ) ) {
			bp_nouveau_set_nav_item_order( $navs, bp_nouveau_get_appearance_settings( 'user_nav_order' ) );
		}

		if ( function_exists( 'bp_nouveau_get_appearance_settings' ) ) {
			$tab         = bp_nouveau_get_appearance_settings( 'user_default_tab' );
			$default_tab = bp_is_active( $tab ) ? $tab : $default_tab;
		}

		$id_map = array(
			'activity' => 'activities',
			'profile'  => 'xprofile',
		);

		if ( ! empty( $navs->get_primary() ) ) {
			foreach ( $navs->get_primary() as $nav ) {

				$name = $nav['name'];
				$id   = $nav['slug'];

				// remove the notification numbers.
				$name = preg_replace( '/^(.*)(<(.*)<\/(.*)>)/', '$1', $name );
				$name = trim( $name );

				if ( isset( $id_map[ $id ] ) ) {
					$id = $id_map[ $id ];
				}

				$tab = array(
					'id'                      => $id,
					'title'                   => $name,
					'default'                 => false,
					'count'                   => ( $this->bp_rest_nav_has_count( $nav ) ? $this->bp_rest_get_nav_count( $nav ) : '' ),
					'show_for_displayed_user' => $nav['show_for_displayed_user'],
					'children'                => array(),
				);

				if ( $default_tab === $nav['slug'] ) {
					$tab['default'] = true;
				}

				$nav_sub = $navs->get_secondary(
					array(
						'parent_slug'     => $id,
						'user_has_access' => true,
					)
				);

				if ( ! empty( $nav_sub ) ) {
					foreach ( $nav_sub as $s_nav ) {
						$sub_name = preg_replace( '/^(.*)(<(.*)<\/(.*)>)/', '$1', $s_nav['name'] );
						$sub_name = trim( $sub_name );
						$sub_nav  = array(
							'id'              => $s_nav['slug'],
							'title'           => $sub_name,
							'count'           => ( $this->bp_rest_nav_has_count( $s_nav ) ? $this->bp_rest_get_nav_count( $s_nav ) : '' ),
							'position'        => $s_nav['position'],
							'user_has_access' => $s_nav['user_has_access'],
						);

						$tab['children'][] = $sub_nav;
					}
				}

				$profile_tabs[] = apply_filters( 'bp_rest_profile_tab', $tab, $nav );
			}
		}

		$retval['tabs'] = array_values( $profile_tabs );

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after a list of members details is fetched via the REST API.
		 *
		 * @param WP_REST_Response $response The response data.
		 * @param WP_REST_Request  $request  The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_rest_members_detail_get_items', $response, $request );

		return $response;
	}