WIP: Add matched attachment info to the match param

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2018-02-28 18:47:19 +0100 using RuboCop version 0.51.0.
+# on 2018-02-28 20:15:32 +0100 using RuboCop version 0.51.0.
 # 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
@@ -37,7 +37,7 @@ Metrics/BlockLength:
 # Offense count: 1
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
-  Max: 132
+  Max: 139
 
 # Offense count: 2
 Metrics/CyclomaticComplexity:
@@ -49,7 +49,7 @@ Metrics/CyclomaticComplexity:
 Metrics/LineLength:
   Max: 147
 
-# Offense count: 11
+# Offense count: 12
 # Configuration parameters: CountComments.
 Metrics/MethodLength:
   Max: 23

lib/slack-ruby-bot/commands/base.rb

@@ -137,7 +137,15 @@ def match_attachments(data, route)
             fields_to_scan.each do |field|
               next unless attachment[field]
               match = route.match(attachment[field])
-              return match if match
+              next unless match
+              # add access to the matched attachment
+              match.singleton_class.send(
+                :define_method, :attachment, -> { attachment }
+              )
+              match.singleton_class.send(
+                :define_method, :attachment_field, -> { field }
+              )
+              return match
             end
           end
           false

spec/slack-ruby-bot/commands/attachment_spec.rb

@@ -3,15 +3,15 @@
     Class.new(SlackRubyBot::Commands::Base) do
       attachment(/New comment matched by pretext #(?<id>\d+)/) do |client, data, match|
         client.say(text: "The id: #{match[:id]}", channel: data.channel)
-        client.say(text: "Comment: '#{data.attachments[0].text}'", channel: data.channel)
+        client.say(text: "Comment: '#{match.attachment.text}'", channel: data.channel)
       end
       attachment(/New comment matched by text #(?<id>\d+)/) do |client, data, match|
         client.say(text: "The id: #{match[:id]}", channel: data.channel)
-        client.say(text: "Comment: '#{data.attachments[0].title}'", channel: data.channel)
+        client.say(text: "Comment: '#{match.attachment.title}'", channel: data.channel)
       end
       attachment(/New comment matched by title #(?<id>\d+)/) do |client, data, match|
         client.say(text: "The id: #{match[:id]}", channel: data.channel)
-        client.say(text: "Comment: '#{data.attachments[0].pretext}'", channel: data.channel)
+        client.say(text: "Comment: '#{match.attachment.pretext}'", channel: data.channel)
       end
     end
   end