component LikeButton(label string, icon string, typeName string, likeable arn.Likeable, user *arn.User)
	if user == nil
		button.tip.action(aria-label="Login to like this " + typeName)
			Icon(icon)
			span= label
	else
		if likeable.LikedBy(user.ID)
			button.tip.action(data-api="/api" + likeable.Link(), data-action="unlike", data-trigger="click", aria-label="Click to unlike this " + typeName)
				Icon(icon)
				span= label
		else
			button.tip.action(data-api="/api" + likeable.Link(), data-action="like", data-trigger="click", aria-label="Click to like this " + typeName)
				Icon(icon + "-o")
				span= label

component LikeTab(label string, icon string, typeName string, likeable arn.Likeable, user *arn.User)
	if user == nil
		.tab.action(aria-label=label, title="Login to like this " + typeName)
			Icon(icon)
			span.tab-text= label
	else
		if likeable.LikedBy(user.ID)
			.tab.action(data-api="/api" + likeable.Link(), data-action="unlike", data-trigger="click", aria-label=label, title="Click to unlike this " + typeName)
				Icon(icon)
				span.tab-text= label
		else
			.tab.action(data-api="/api" + likeable.Link(), data-action="like", data-trigger="click", aria-label=label, title="Click to like this " + typeName)
				Icon(icon + "-o")
				span.tab-text= label