gistfile1.rb

class Match < ActiveRecord::Base
  self.primary_key = :match_id
  
  has_many :memberships, class_name: 'Match::Membership'
  has_many :users, through: :memberships
  
  validates :match_id, uniqueness: true
  
  before_create :get_details
  after_save :build_memberships_and_update_players_field
  
  def get_details
    self.attributes = Match.fetch(self.match_id).except('players')
  end
  
  def self.fetch(match_id)
    req = Dota.match(match_id).raw_match
    if req['error']
      raise "No match details for #{self.match_id}"
    end
    req
  end
  
  def build_memberships_and_update_players_field(players = Match.fetch(self.match_id)['players'])
    
    players.each do |player|
      player['ability_upgrades'] = nil
      player['steam_id'] = player['account_id'].to_i + 76561197960265728
      profile = User::Profile.find_by(dota2_id: player['account_id'].to_s)
        
      if profile && player['account_id'] != 4294967295
        user = profile.user
        profile_name = user.steam_profile.name
        already_membership = Match::Membership.find_by(user: user, match_id: self.match_id)
        if already_membership && already_membership.name != profile_name
          already_membership.update(name: profile_name)
          player['name'] = profile_name
        else
          player['registered'] = true
          player['name'] = profile_name
          membership = Match::Membership.new(player.except('ability_upgrades', 'steam_id', 'registered'))
          membership.match_id = self.match_id
          membership.user = user
          membership.save!
        end
      elsif player['account_id'] != 4294967295
        player['name'] = User.get_steam_name(player['steam_id'])
        player['registered'] = false
      else
        player['name'] = 'peasant'
        player['registered'] = false
      end
    end
    self.players = players.to_json
  end
end