api_practice.rb

require 'csv'
require 'twilio-ruby'

#################################################

class Student
  attr_reader :name, :phone_number
	def initialize(args = {})
		@name = args[:name]
		@phone_number = args[:phone_number]
	end 
end

#################################################

class PairGenerator 
	attr_reader :list

	def initialize
		file_name = 'data.txt'
		@people = Array.new
		CSV.foreach(file_name,:headers => true,header_converters: :symbol) do |row|
			@people << Student.new(row)
		end
	end

	def pair_up
		randomized_people = @people.shuffle 
		final = Hash.new 
		i = 0
	 	randomized_people.each_slice(2) do |pair|
			final[i = i+1] = pair  
		end
		final
	end
end

#################################################

class TextSender 
	def initialize 
		@account_sid = 'ACb2d18876409ec23f2409b9d3b5986e98' 
	 	@auth_token = 'ab303b1c15f3cafd62494e87c908def2'
	 	@client = Twilio::REST::Client.new @account_sid, @auth_token
	 	self.send_text
	end

	def send_text
	  pairgenerator = PairGenerator.new 
	  pair_hsh = pairgenerator.pair_up
	  pair_hsh.each do |k,v|
		  @client.account.sms.messages.create(
		  :from => '+18052887205',
		  :to => "+#{v.first.phone_number}",
		  :body => "you are in a pair_group - #{k} with #{v.last.name}")
		  @client.account.sms.messages.create(
		  :from => '+18052887205',
		  :to => "+#{v.last.phone_number}",
		  :body => "you are in a pair_group - #{k} with #{v.first.name}")
		end
	end
end

#################################################

text_sender = TextSender.new

data.txt

name,phone_number
Adam Dziuk,8057944927
Adam Ryssdal, 8057944927
Aki Suzuki, 8057944927
Allison Wong, 8057944927
Andra Lally, 8057944927
Anup Pradhan, 8057944927
CJ Jameson, 8057944927
Christiane Kammerl, 8057944927
Christopher Aubuchon, 8057944927
Clark Hinchcliff, 8057944927
Devin A Johnson, 8057944927
Dominick Oddo, 8057944927
Dong Kevin Kang, 8057944927
Eiko Seino, 8057944927
Eoin McMillan, 8057944927
Hunter T. Chapman, 8057944927
Jacob Persing, 8057944927
Jon Pabico, 8057944927
Joshua Rosaaen, 8057944927
Nadia Koroleva, 8057944927
Parjam Davoody, 8057944927
Renee Schaaf, 8057944927
Samuel Davis, 8057944927
Sebastian Belmar, 8057944927
Shawn Seibert, 8057944927
William Butler Bushyhead,8057944927
Yuzu Sajio,8057944927