Random Giphy Gif

giphyroulette.rb

# aText as "shell script" => ruby /path/to/this/script.rb <optional query>
# Returns random giphy gif from top 100 trending or by query

require 'net/http'
require 'json'

class GiphySearch

	def initialize
		@defaults = { 
			"api_key" => "dc6zaTOxFJmzC",
			"limit" => "100",
			# "ratings" => "pg-13"
		}
	end

	# random pg-13 gif from top 100 trending
	def get_trending
		base = "http://api.giphy.com/v1/gifs/trending?"
		url = base.concat(build_query_str(@defaults.clone))

		gif_url = hit_api(url)
		textify(gif_url)
	end

	# random pg-13 gif from query 
	def get_gif(query)
		base = "http://api.giphy.com/v1/gifs/search?"
		hash = @defaults.merge({ "q" => query })
		url = base.concat(build_query_str(hash))
		
		gif_url = hit_api(url)
		textify(gif_url)
	end

	private

	def hit_api(url) # returns single gif url
		resp = Net::HTTP.get_response(URI.parse(url))
		buffer = resp.body
		result = JSON.parse(buffer) 
		data = result["data"]
		rand_idx = rand(data.length)

		data[rand_idx]["images"]["fixed_height"]["url"]
	end

	def textify(url)
		'![LGTM]('.concat(url).concat(' "Looks good to me!")')
	end

	def build_query_str(hash)
		arr = []
		hash.each do |k, v|
			arr << k.dup.concat("=").concat(v)
		end

		arr.join("&")
	end

end

giphy = GiphySearch.new

if ARGV[0] # with search query
	q = ARGV[0].dup
	q = q.split(" ").join("+") if q.split(" ").length > 1
	print giphy.get_gif(q)
else
	print giphy.get_trending
end