Doing the maintenance dance

.rubocop_todo.yml

@@ -1,7 +1,16 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2015-10-04 18:16:18 -0400 using RuboCop version 0.34.2.
+# on 2016-08-30 10:56:44 -0400 using RuboCop version 0.42.0.
 # 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
 # versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 1
+Metrics/AbcSize:
+  Max: 17
+
+# Offense count: 1
+# Configuration parameters: CountComments.
+Metrics/MethodLength:
+  Max: 14

Gemfile

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '2.2.3' if ENV.key?('DYNO')
+ruby '2.3.1' if ENV.key?('DYNO')
 
 gem 'aws-sdk', '~> 2'
 gem 'pry', group: %i(development test)

Gemfile.lock

@@ -1,37 +1,34 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.1.0)
-    astrolabe (1.3.1)
-      parser (~> 2.2)
-    aws-sdk (2.1.20)
-      aws-sdk-resources (= 2.1.20)
-    aws-sdk-core (2.1.20)
+    ast (2.3.0)
+    aws-sdk (2.5.6)
+      aws-sdk-resources (= 2.5.6)
+    aws-sdk-core (2.5.6)
       jmespath (~> 1.0)
-    aws-sdk-resources (2.1.20)
-      aws-sdk-core (= 2.1.20)
-    coderay (1.1.0)
-    jmespath (1.0.2)
-      multi_json (~> 1.0)
+    aws-sdk-resources (2.5.6)
+      aws-sdk-core (= 2.5.6)
+    coderay (1.1.1)
+    jmespath (1.3.1)
     method_source (0.8.2)
-    multi_json (1.11.2)
-    parser (2.2.2.6)
-      ast (>= 1.1, < 3.0)
+    parser (2.3.1.2)
+      ast (~> 2.2)
     powerpack (0.1.1)
-    pry (0.10.1)
+    pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.6.4)
-    rainbow (2.0.0)
-    rubocop (0.34.2)
-      astrolabe (~> 1.3)
-      parser (>= 2.2.2.5, < 3.0)
+    rack (2.0.1)
+    rainbow (2.1.0)
+    rubocop (0.42.0)
+      parser (>= 2.3.1.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
-      ruby-progressbar (~> 1.4)
-    ruby-progressbar (1.7.5)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 1.0, >= 1.0.1)
+    ruby-progressbar (1.8.1)
     slop (3.6.0)
+    unicode-display_width (1.1.0)
 
 PLATFORMS
   ruby
@@ -43,4 +40,4 @@ DEPENDENCIES
   rubocop
 
 BUNDLED WITH
-   1.10.6
+   1.12.5

cpi_fetcher.rb

@@ -5,7 +5,7 @@ require 'net/http'
 require 'json'
 
 class CPIFetcher
-  DEFAULT_CPI_SERIES_URL = 'http://api.bls.gov/publicAPI/v2/timeseries/data/CUUSA210SA0'
+  DEFAULT_CPI_SERIES_URL = 'http://api.bls.gov/publicAPI/v2/timeseries/data/CUUSA210SA0'.freeze
   attr_reader :cpi_series_url
 
   def initialize
@@ -17,7 +17,9 @@ class CPIFetcher
 
     return nil unless resp['Results']['series']
 
-    resp['Results']['series'].first['data'].first['value']
+    data = resp['Results']['series'].first['data']
+    data.sort! { |a, b| a['year'] <=> b['year'] }
+    data.last['value']
   end
 
   private
@@ -31,64 +33,3 @@ if $PROGRAM_NAME == __FILE__
   puts CPIFetcher.new.cpi
   exit 0
 end
-
-__END__
-{
-  "status": "REQUEST_SUCCEEDED",
-  "responseTime": 36,
-  "message": [],
-  "Results": {
-    "series": [
-      {
-        "seriesID": "CUUSA210SA0",
-        "data": [
-          {
-            "year": "2015",
-            "period": "S01",
-            "periodName": "1st Half",
-            "value": "220.381",
-            "footnotes": [
-              {}
-            ]
-          },
-          {
-            "year": "2014",
-            "period": "S02",
-            "periodName": "2nd Half",
-            "value": "220.891",
-            "footnotes": [
-              {}
-            ]
-          },
-          {
-            "year": "2014",
-            "period": "S01",
-            "periodName": "1st Half",
-            "value": "220.352",
-            "footnotes": [
-              {}
-            ]
-          },
-          {
-            "year": "2013",
-            "period": "S02",
-            "periodName": "2nd Half",
-            "value": "217.983",
-            "footnotes": [
-              {}
-            ]
-          },
-          {
-            "year": "2013",
-            "period": "S01",
-            "periodName": "1st Half",
-            "value": "216.941",
-            "footnotes": [
-              {}
-            ]
-          }
-        ]
-      }
-    ]
-  }
-}