Instagram_Like.rb

require "curb"
require "json"
=begin
  This snippet will allow a user to like the latest 100 images on a hashtag or on their feed.
  Instagram internally limits to 100 likes/hour.

  To run copy code to a file named instagram_like.rb
  In your terminal move to where that code is and run 'ruby instagram_like.rb'

  Trouble Shoot:
  If you have an issue with curb please run the below command in terminal with in the folder
  where the instagram_like.rb file is.

  'sudo gem install curb'
=end
class InstagramLike
  # attr_reader :liked_data

  def initialize(token, hashtag=nil)
    @liked_data = []
    @access_token = token
    @hashtag = hashtag
    get_likes
  end

  #like images
  def set_likes
    feed_data = []

    #build url for hashtags or for your own feed
    if @hashtag
      url = "https://api.instagram.com/v1/tags/#{@hashtag}/media/recent?access_token=#{@access_token}"
    else
      url = "https://api.instagram.com/v1/users/self/feed?access_token=#{@access_token}"
    end

    raw_feed = Curl.get(url)
    parsed_feed = JSON.parse(raw_feed.body_str)
    feed_data << parsed_feed["data"]

    while !parsed_feed["pagination"].nil? and !parsed_feed["pagination"]["next_url"].nil?
        puts parsed_feed["pagination"]["next_url"]
        raw_feed = Curl.get(parsed_feed["pagination"]["next_url"])
        parsed_feed = JSON.parse(raw_feed.body_str)
        feed_data << parsed_feed["data"]
    end

    ids = feed_data.flatten.map{ |t| t["id"] }

    ids.each do |id|
      unless @liked_data.include? id
        post = Curl.post("https://api.instagram.com/v1/media/#{id}/likes?access_token=#{@access_token}")
        
        #429 status means you've reached your instagram limit for the hour
        if post.status.include? "429"
          puts "You have reached your limit for this hour"
          puts "Try back soon."
          break
        else
          puts "You like it, you really like it."
          #sleep helps instagram think you're real
          #this might be a lie
          sleep 2
        end
      else
        puts "Already liked that one."
      end
    end
  end

  #get all the likes in the past hour
  #takes around 11 seconds
  def get_likes
    puts "GET LATEST LIKED DATA"
    liked_data = []

    raw_likes = Curl.get("https://api.instagram.com/v1/users/self/media/liked?access_token=#{@access_token}")
    parsed_likes = JSON.parse(raw_likes.body_str)
    liked_data << parsed_likes["data"]

    while !parsed_likes["pagination"].nil? and !parsed_likes["pagination"]["next_url"].nil?
        puts parsed_likes["pagination"]["next_url"]
        raw_likes = Curl.get(parsed_likes["pagination"]["next_url"])
        parsed_likes = JSON.parse(raw_likes.body_str)
        liked_data << parsed_likes["data"]
    end
    @liked_data = liked_data.flatten.map{ |t| t["id"] }
  end
end

#
# Console code
#
puts "----------------------------------"
puts "Welcome to Instagram like automater!"
puts "This process takes roughly 30 seconds and can be run hourly to like the latest 100 posts."
puts "You will need an auth token from instagram, follow the steps found below to aquire it."
puts "Provide LINK to INSTAGRAM AUTH"
puts "-----------------------------------"
print "Please input your auth token: "
auth_token = gets.strip()
print "Please input a hash tag or type feed to like your own feed: "
hash_tag = gets.strip()

if hash_tag.downcase == "feed"
  inst = InstagramLike.new(auth_token)
  inst.set_likes
else
  inst = InstagramLike.new(auth_token, hash_tag)
  inst.set_likes
end