Basic proof-of-concept code for a League of Legends team analyser.

lol.rb

require 'rubygems'
require 'json'
require 'open-uri'

API_KEY = "INSERT_API_KEY_HERE"
#API_ROOT = "https://oce.api.pvp.net/api/lol/oce/v1.3/"

def pull(id, type)
  if id != nil
	case type
	  when 'summary'
	    url = "https://oce.api.pvp.net/api/lol/oce/v1.3/stats/by-summoner/"+id.chomp+"/summary?api_key="+API_KEY
		puts "Pulling summary for #{id.chomp}..."
	  when 'history'
	    url = "https://oce.api.pvp.net/api/lol/oce/v2.2/matchhistory/"+id.chomp+"?api_key="+API_KEY+"&beginIndex=0&endIndex=15" # API enforces a 15 game maximum
		puts "Pulling history for #{id.chomp}..."
	end
	
    return data = open(URI.encode(url)).read
  end
end

def parse(data)
  #return tree = JSON.parse(data)
  return tree = JSON.parse(data)
end

def print_summaries(summaries)
  summoners.each do |s|
    s.each do |t|
      if t.respond_to?(:keys) == true
	    #puts "Keys: #{t.keys}"
	    puts "\nDisplaying information for #{t['summonerId']}:\n"
	  
	    t["playerStatSummaries"].each do |stat|
	      if stat.respond_to?(:keys) == true
		    #puts stat.keys
		    puts "  For the game type #{stat['playerStatSummaryType']}:"
		    puts "    #{stat['wins']} wins with"
		  
		    if stat["aggregatedStats"].respond_to?(:keys)
		      #puts "keys: #{stat['aggregatedStats'].keys}"
			  puts "      #{stat["aggregatedStats"]["totalChampionKills"]} champion kills"
			  puts "      #{stat["aggregatedStats"]["totalTurretsKilled"]} turret kills"
			  puts "      #{stat["aggregatedStats"]["totalAssists"]} assists"
		    end
		  end
	    end
	  end
    end
  end
end

def print_performance(summaries, histories)
  
end

summaries = {}
histories = {}

File.readlines('input.txt').each do |id|
  
  #stat summaries
  summary = pull(id, "summary")
  summaries[id.chomp.to_i] = parse(summary)
  
  File.open('stat/summaries/'+id.chomp+'.json', 'w') do |file|
	file.write(summary)
  end
  
  # match history
  history = pull(id, "history")
  histories[id.chomp.to_i] = parse(history)
  
  File.open('matchhistory/'+id.chomp+'.json', 'w') do |file|
    file.write(history)
  end
end

# display summaries
print_summaries(summaries)