Ruby 2.6 or give me 💀

.gitignore

@@ -1,2 +1,3 @@
 .*env
 *.csv
+.ruby-version

.rubocop.yml

@@ -5,3 +5,9 @@ AllCops:
 
 Style/Documentation:
   Enabled: false
+
+Style/AccessModifierDeclarations:
+  EnforcedStyle: inline
+
+Layout/MultilineMethodCallIndentation:
+  EnforcedStyle: indented

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2019-12-31 10:11:37 -0500 using RuboCop version 0.78.0.
+# on 2020-01-01 01:01:20 -0500 using RuboCop version 0.78.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new

cpi_fetcher.rb

@@ -12,6 +12,7 @@ class CPIFetcher
   )
   private_constant :DEFAULT_CPI_SERIES_URL
   attr_reader :url, :bls_token
+  private :url, :bls_token
 
   def initialize
     @url = URI(ENV['CPI_SERIES_URL'] || DEFAULT_CPI_SERIES_URL)
@@ -20,28 +21,27 @@ class CPIFetcher
 
   def cpi
     resp = fetch_raw_response
-
     return nil unless resp['Results']['series']
 
-    data = resp['Results']['series'].first['data']
-    data.sort! { |a, b| a['year'] <=> b['year'] }
-    data.last['value']
+    last_cpi_value(resp['Results']['series'].first['data'])
   end
 
-  private
-
-  def fetch_raw_response
-    http = Net::HTTP.new(url.hostname, url.port)
-    http.use_ssl = true
-    http.verify_mode = OpenSSL::SSL::VERIFY_PEER
-    res = http.request(build_request)
-    JSON.parse(res.body)
+  private def last_cpi_value(data)
+    data
+      .sort { |a, b| a['year'] <=> b['year'] }
+      .then { |d| d.last['value'] }
   end
 
-  def build_request
-    req = Net::HTTP::Get.new(url)
-    req['Authorization'] = "token #{bls_token}"
-    req
+  private def fetch_raw_response
+    Net::HTTP.new(url.hostname, url.port)
+      .tap { |h| h.use_ssl = true }
+      .tap { |h| h.verify_mode = OpenSSL::SSL::VERIFY_PEER }
+      .then { |h| JSON.parse(h.request(build_request).body) }
+  end
+
+  private def build_request
+    Net::HTTP::Get.new(url)
+      .tap { |r| r['Authorization'] = "token #{bls_token}" }
   end
 end
 

mini_s3put.rb

@@ -9,14 +9,16 @@ class MiniS3put
     @instream = instream
   end
 
+  attr_reader :bucket, :key, :instream
+  private :bucket, :key, :instream
+
   def put
     Aws::S3::Resource.new.bucket(bucket).object(key).put(
       body: instream.read
     ).on_success(&method(:on_put_success))
-    0
   end
 
-  def on_put_success(response)
+  private def on_put_success(response)
     puts response.data
 
     Aws::S3::Client.new.put_object_acl(
@@ -25,10 +27,9 @@ class MiniS3put
       puts acl_response.data
     end
   end
-
-  private
-
-  attr_reader :bucket, :key, :instream
 end
 
-exit(MiniS3put.new(key: ARGV.first).put) if $PROGRAM_NAME == __FILE__
+if $PROGRAM_NAME == __FILE__
+  MiniS3put.new(key: ARGV.first).put
+  exit 0
+end