rename fetch -> fetcher

Rakefile

@@ -2,6 +2,6 @@ $: << File.dirname(__FILE__)
 $: << File.join(File.dirname(__FILE__),  'app')
 require 'bundler'
 Bundler.require(:default, :resque)
-require 'fetch'
+require 'fetcher'
 require 'resque/tasks'
 require 'lib/tasks/worker'

app/book.rb

@@ -77,7 +77,7 @@ def fetch_prices
     # insert into queue instead of using Resque.enqueue
     redis.sadd 'isbn:queues', 'fetch'
     Store::STORES.keys.each do |store_name|
-      redis.rpush('isbn:queue:fetch', {class: 'Fetch', args: [isbn.to_s, store_name.to_s]}.to_json)
+      redis.rpush('isbn:queue:fetch', {class: 'Fetcher', args: [isbn.to_s, store_name.to_s]}.to_json)
     end
   end
 

app/fetch.rb → app/fetcher.rb

@@ -1,7 +1,7 @@
 require 'book'
 require 'store'
 
-class Fetch
+class Fetcher
   @queue = :fetch
 
   def self.perform(isbn, store_name)