bp_document_user_can_edit( int|BP_Document $document = false )

function bp_document_user_can_edit( $document = false ) {

	// Assume the user cannot edit the document item.
	$can_edit = false;

	if ( empty( $document ) ) {
		return $can_edit;
	}

	if ( ! is_object( $document ) ) {
		$document = new BP_Document( $document );
	}

	if ( empty( $document ) ) {
		return $can_edit;
	}

	// Only logged in users can edit document.
	if ( is_user_logged_in() ) {

		// Community moderators can always edit document (at least for now).
		if ( bp_current_user_can( 'bp_moderate' ) ) {
			$can_edit = true;
		}

		// Users are allowed to edit their own document.
		if ( isset( $document->user_id ) && ( $document->user_id === bp_loggedin_user_id() ) ) {
			$can_edit = true;
		}

		if ( bp_is_active( 'groups' ) && $document->group_id > 0 ) {

			$manage   = groups_can_user_manage_document( bp_loggedin_user_id(), $document->group_id );
			$status   = bp_group_get_media_status( $document->group_id );
			$is_admin = groups_is_user_admin( bp_loggedin_user_id(), $document->group_id );
			$is_mod   = groups_is_user_mod( bp_loggedin_user_id(), $document->group_id );

			if ( $manage ) {
				if ( $document->user_id === bp_loggedin_user_id() ) {
					$can_edit = true;
				} elseif ( 'members' === $status && ( $is_mod || $is_admin ) ) {
					$can_edit = true;
				} elseif ( 'mods' == $status && ( $is_mod || $is_admin ) ) {
					$can_edit = true;
				} elseif ( 'admins' == $status && $is_admin ) {
					$can_edit = true;
				}
			}

		}

	}

	/**
	 * Filters whether the current user can edit an document item.
	 *
	 * @since BuddyBoss 1.4.2
	 *
	 * @param bool   $can_edit Whether the user can edit the item.
	 * @param object $document   Current document item object.
	 */
	return (bool) apply_filters( 'bp_document_user_can_edit', $can_edit, $document );
}