Github API v4にgraphql-client gemを使ってアクセスする ref: http://qiita.com/skuroki@github/items/eecc454edb2ac984be25

file0.txt

source 'https://rubygems.org'

gem 'graphql-client' # 0.12.1

get_pull_requests.rb

#! /usr/bin/env ruby

require 'graphql/client'
require 'graphql/client/http'

h = GraphQL::Client::HTTP.new('https://api.github.com/graphql') do
  def headers(context)
    {
      "Authorization" => "Bearer #{ENV['ACCESS_TOKEN']}"
    }
  end
end
s = GraphQL::Client.load_schema(h)
c = GraphQL::Client.new(schema: s, execute: h)
Q = c.parse <<-GraphQL
query($after: String) {
  repository(owner:"our_company", name:"awesome_project") {
    pullRequests(first: 100, states: [MERGED], orderBy: {field: UPDATED_AT, direction: DESC}, after: $after) {
      edges {
        cursor
        node {
          number
          title
          updatedAt
          mergedAt
          author {
            login
          }
        }
      }
    }
  }
}
GraphQL

all_nodes = []
after = nil
loop do
  r = c.query(Q, variables: { after: after })
  nodes = r.data.repository.pull_requests.edges.map(&:node)
  nodes_in_time = nodes.select { |n| Time.parse(n.updated_at) > Time.new(2017, 10, 30) }
  all_nodes += nodes_in_time.select { |n| %w(alice bob carol).include?(n.author.login) }
  break if nodes.size > nodes_in_time.size
  after = r.data.repository.pull_requests.edges.last.cursor
end

puts all_nodes.map { |n| "##{n.number}\t#{n.author.login}\t#{n.merged_at}\t#{n.title}" }