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bp-custom.php

<?php
/**
 * BuddyPress Custom
 *
 * Activity & Blogs component activated.
 */

// Exit if accessed directly
defined( 'ABSPATH' ) || exit;

// Set xProfile to be default component
define( 'BP_DEFAULT_COMPONENT', 'profile' );

// Define the user's profile nav as first one
function imath_wp_profile_nav_position() {
	if ( defined( 'BP_DEFAULT_COMPONENT' ) && 'profile' == BP_DEFAULT_COMPONENT ) {
		buddypress()->bp_nav['profile']['position'] = 1;
	}
}
add_action( 'bp_activity_setup_nav', 'imath_wp_profile_nav_position' );

// Remove the admin nav if user is not a contributor
function imath_maybe_remove_activity_admin_nav( $wp_admin_nav = array() ) {
	if ( ! bp_current_user_can( 'edit_posts' ) ) {
		$wp_admin_nav = array();
	}

	return $wp_admin_nav;
}
add_action( 'bp_activity_admin_nav', 'imath_maybe_remove_activity_admin_nav', 10, 1 );
add_action( 'bp_xprofile_admin_nav', 'imath_maybe_remove_activity_admin_nav', 10, 1 );

// Only activate members, activity and blogs components at install
function imath_restrict_default_component( $default = array() ) {
	return array(
		'members'       => 1,
		'activity'      => 1,
		'blogs'         => 1,
	);
}
add_filter( 'bp_new_install_default_components', 'imath_restrict_default_component', 10, 1 );

// Disable BuddyPress directories from displaying
function imath_disable_directories( $bool, $component = '' ) {
	if ( 'register' != $component && 'activate' !=  $component && ! bp_is_user() ) {
		return false;
	}

	if ( bp_displayed_user_id() && ! user_can( bp_displayed_user_id(), 'edit_posts' ) ) {
		return false;
	}

	return $bool;
}
add_filter( 'bp_is_current_component', 'imath_disable_directories', 10, 2 );

// Exclude some directory pages from WordPress pages listing
function imath_exclude_directory_pages( $pages = array() ) {
	$exclude = array( buddypress()->pages->members->id );

	if ( bp_is_active( 'activity' ) ) {
		$exclude[] = buddypress()->pages->activity->id;
	}

	$pages = array_merge( $pages, $exclude );
	return $pages;
}
add_filter( 'bp_core_exclude_pages', 'imath_exclude_directory_pages', 10, 1 );

// Make sure only author's profile will be displayed
function imath_disable_buddypress_front_end_parts() {
	if ( is_buddypress() && ! bp_is_register_page() && ! bp_is_activation_page() && ! bp_is_user() ) {
		bp_do_404();
		return;
	}

	if ( bp_displayed_user_id() && ! user_can( bp_displayed_user_id(), 'edit_posts' ) ) {
		bp_do_404();
		return;
	}
}
add_action( 'bp_actions', 'imath_disable_buddypress_front_end_parts', 1 );

/**
 * In wp-admin/extended profile remove not needed metaboxes for regular users
 */
function imath_disable_members_admin_major_metabox() {
	global $wp_meta_boxes;

	if ( bp_is_active( 'xprofile' ) && bp_current_user_can( 'edit_posts' ) ) {
		return;
	}

	// Only keep stat metabox for regular users
	if ( ! empty( $wp_meta_boxes['profile_page_bp-profile-edit'] ) ) {
		foreach ( $wp_meta_boxes['profile_page_bp-profile-edit'] as $meta_box_context => $meta_box_priorities ) {
			foreach ( $meta_box_priorities as $priority => $meta_box ) {
				foreach( $meta_box as $meta_box_id => $meta_box_content ) {
					if ( 'bp_members_admin_user_stats' !== $meta_box_id ) {
						remove_meta_box( $meta_box_id, get_current_screen(), $meta_box_context );
					}
				}
			}
		}
	}
}
add_action( 'bp_members_admin_user_metaboxes', 'imath_disable_members_admin_major_metabox' );

// Disable Activity form
function imath_disable_activity_form( $templates, $slug, $name ) {
	if ( bp_is_user() && 'activity/post-form' === $slug ) {
		$templates = false;
	}

	return $templates;
}
add_filter( 'bp_get_template_part', 'imath_disable_activity_form', 10, 3 );

// Disable mentions
add_filter( 'bp_activity_do_mentions', '__return_false' );
// Disable favorites
add_filter( 'bp_activity_can_favorite', '__return_false' );

// Remove Activity update actions
function imath_restrict_activity_actions( $action_params = array(), $component_id = '' ) {
	if ( buddypress()->activity->id === $component_id ) {
		$action_params['context'] = array_diff( $action_params['context'], array( 'member' ) );
	}

	return $action_params;
}
add_filter( 'bp_activity_set_action', 'imath_restrict_activity_actions', 10, 2 );

// Edit the author link
function imath_filter_author_link( $link = '', $author_id = 0, $author_nicename = '' ) {
	if( ! empty( $author_id ) ) {
		$link = bp_core_get_userlink( $author_id, false, true );
	}
			
	return $link;
}
add_filter( 'author_link', 'imath_filter_author_link', 10, 3 );

// Remove member's link if not a contributor
function imath_get_user_domain( $domain = '', $user_id = 0 ) {
	if ( ! user_can( $user_id, 'edit_posts' ) ) {
		return false;
	}

	return $domain;
}
add_filter( 'bp_core_get_user_domain', 'imath_get_user_domain', 10, 2 );

// Keep WordPress admin profile if not a contributor
function imath_edit_profile_url( $profile_link = '', $url = '', $user_id = 0 ) {
	if ( ! user_can( $user_id, 'edit_posts' ) ) {
		$profile_link = $url;
	}

	return $profile_link;
}
add_filter( 'bp_members_edit_profile_url', 'imath_edit_profile_url', 10, 3 );

function imath_add_author_descripton() {
	if ( ! bp_is_active( 'xprofile' ) ) {
		return;
	}

	// Display the regular WordPress description if xProfile is active
	the_author_meta( 'description', bp_displayed_user_id() );

	// Remove the link to member's directory search for xProfile field data
	remove_filter( 'bp_get_the_profile_field_value', 'xprofile_filter_link_profile_data', 9, 2 );
}
add_action( 'bp_profile_header_meta', 'imath_add_author_descripton' );