Add method to HistoricalMatch for getting profiled members

app/models/historical_match.rb

@@ -33,6 +33,20 @@ def self.protracted_in(grouping)
     SQL
   end
 
+  def profiled_members
+    members.map do |member|
+      user_profile = SlackUserProfile.find_by(slack_user_id: member)
+
+      if user_profile.nil?
+        Slack::RetrieveSlackUserInfo.new.call(user: member)
+
+        user_profile = SlackUserProfile.find_by(slack_user_id: member)
+      end
+
+      user_profile
+    end
+  end
+
   private
 
   def at_least_two_members

test/models/historical_match_test.rb

@@ -154,4 +154,20 @@ class HistoricalMatchTest < ActiveSupport::TestCase
 
     assert_equal matches, [match2]
   end
+
+  test "#profiled_members returns the user profiles for each member" do
+    match = @subject.new(members: ["Frodo", "Sam"])
+    frodo_profile = SlackUserProfile.create(slack_user_id: "Frodo")
+    sam_profile = SlackUserProfile.create(slack_user_id: "Sam")
+
+    assert_equal match.profiled_members, [frodo_profile, sam_profile]
+  end
+
+  test "#profiled_members creates a user profile if one does not exist" do
+    retrieves_user_info = Mocktail.of_next(Slack::RetrieveSlackUserInfo)
+
+    @subject.new(members: ["Frodo"]).profiled_members
+
+    verify { retrieves_user_info.call(user: "Frodo") }
+  end
 end