ap_user_can_vote_on_post( integer|object $post_id, string $type, boolean|integer $user_id = false, boolean $wp_error = false )

function ap_user_can_vote_on_post( $post_id, $type, $user_id = false, $wp_error = false ) {
	if ( false === $user_id ) {
		$user_id = get_current_user_id();
	}

	// Return true if super admin.
	if ( is_super_admin( $user_id ) ) {
		return true;
	}

	$type   = 'vote_up' === $type ? 'vote_up' : 'vote_down';
	$post_o = ap_get_post( $post_id );

	/**
	 * Filter to hijack ap_user_can_vote_on_post.
	 *
	 * @param  boolean|string   $apply_filter   Apply current filter, empty string by default.
	 * @param  integer|object   $post_id        Post ID or object.
	 * @param  string           $type           Vote type, vote_up or vote_down.
	 * @param  integer          $user_id        User ID.
	 * @return boolean
	 * @since  2.4.6
	 */
	$filter = apply_filters( 'ap_user_can_vote_on_post', '', $post_o->ID, $type, $user_id );

	if ( true === $filter ) {
		return true;
	} elseif ( false === $filter ) {
		return false;
	}

	// Do not allow post author to vote on self posts.
	if ( $post_o->post_author == $user_id ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
		if ( $wp_error ) {
			return new WP_Error( 'cannot_vote_own_post', __( 'Voting on own post is not allowed', 'anspress-question-answer' ) );
		}
		return false;
	}

	// Check if user can read question/answer, if not then they are not allowed to vote.
	if ( ! ap_user_can_read_post( $post_id, $user_id ) ) {
		if ( $wp_error ) {
			return new WP_Error( 'you_cannot_vote_on_restricted', __( 'Voting on restricted posts are not allowed.', 'anspress-question-answer' ) );
		}
		return false;
	}

	if ( user_can( $user_id, 'ap_' . $type ) ) {
		return true;
	}

	if ( $wp_error ) {
		return new WP_Error( 'no_permission', __( 'You do not have permission to vote.', 'anspress-question-answer' ) );
	}

	return false;
}