LikesController.rb

class LikesController < ApplicationController
  
  before_filter :get_ids
  
  respond_to :json
  
  def videolink
    results = {}
    
    # check to see if the user has liked this videolink before
    if current_user
      liked = Like.video?(current_user, @vid_id)

      results["status"] = "OK"      
      results["liked"] = liked
    else
      results = {}
      results["status"] = "Error"
      results["message"] = "User not logged in"
    end

    respond_with( results.to_json ) 
  end
  
  
  def update
    results = {}
    
    if current_user
      results["status"] = "OK"  
    else
      results = {}
      results["status"] = "Error"
      results["message"] = "User not logged in"
    end
    
    respond_with( results.to_json )
  end
  

  private
  
  def get_ids
    @vid_id = params[:videolink_id]
  end
  
end

video.js

	$("#likeVideo").click(function() {
		$.ajax({
			contentType: "application/json",
			data: {	game_id: game_id,	videolink_id: current_video["videolink"]["id"] },
			dataType: "json",
			processData: false,
			type: "POST",
			url: "/likes/" + game_id,
			beforeSend: function(xhr) {
				xhr.setRequestHeader("X-Http-Method-Override", "PUT");
			},
			failure: function(data) {
				console.log("Failed", data);
			},
			success: function(data) {
				console.log("Success", data);
			}
		});
		return false;
	});