add email to user related queries so it can be used for displaying avatar in the UI

app/controllers/projects/cycle_analytics/events_controller.rb

 class Projects::CycleAnalytics::EventsController < Projects::ApplicationController
-  #before_action :authorize_read_cycle_analytics!
+  # before_action :authorize_read_cycle_analytics!
 
   def issue
     render_events(events.issue_events)

lib/gitlab/cycle_analytics/events.rb

@@ -10,7 +10,6 @@ module Gitlab
       end
 
       # TODO: backend pagination - specially for commits, etc...
-      # TODO figure out what the frontend needs for displaying the avatar
 
       def issue_events
         @fetcher.fetch(stage: :issue).each { |event| parse_event(event) }

lib/gitlab/cycle_analytics/events_fetcher.rb

@@ -8,7 +8,7 @@ module Gitlab
           start_time_attrs: issue_table[:created_at],
           end_time_attrs: [issue_metrics_table[:first_associated_with_milestone_at],
                            issue_metrics_table[:first_added_to_board_at]],
-          projections: [issue_table[:title], issue_table[:iid], issue_table[:created_at], user_table[:name]]
+          projections: [issue_table[:title], issue_table[:iid], issue_table[:created_at], user_table[:name], user_table[:email]]
         },
         plan: {
           start_time_attrs: issue_metrics_table[:first_associated_with_milestone_at],
@@ -19,7 +19,7 @@ module Gitlab
         code: {
           start_time_attrs: issue_metrics_table[:first_mentioned_in_commit_at],
           end_time_attrs: mr_table[:created_at],
-          projections: [mr_table[:title], mr_table[:iid], mr_table[:created_at], user_table[:name]],
+          projections: [mr_table[:title], mr_table[:iid], mr_table[:created_at], user_table[:name], user_table[:email]],
           order: mr_table[:created_at]
         },
         test: {
@@ -31,7 +31,7 @@ module Gitlab
         review: {
           start_time_attrs: mr_table[:created_at],
           end_time_attrs: mr_metrics_table[:merged_at],
-          projections: [mr_table[:title], mr_table[:iid], mr_table[:created_at], user_table[:name]]
+          projections: [mr_table[:title], mr_table[:iid], mr_table[:created_at], user_table[:name], user_table[:email]]
         },
         staging: {
           start_time_attrs: mr_metrics_table[:merged_at],
@@ -41,7 +41,7 @@ module Gitlab
         production: {
           start_time_attrs: issue_table[:created_at],
           end_time_attrs: mr_metrics_table[:first_deployed_to_production_at],
-          projections: [issue_table[:title], issue_table[:iid], issue_table[:created_at], user_table[:name]]
+          projections: [issue_table[:title], issue_table[:iid], issue_table[:created_at], user_table[:name], user_table[:email]]
         },
       }.freeze
 

spec/lib/gitlab/cycle_analytics/events_spec.rb

@@ -30,6 +30,10 @@ describe Gitlab::CycleAnalytics::Events do
       expect(subject.issue_events.first['created_at']).to end_with('ago')
     end
 
+    it "has the author's email" do
+      expect(subject.issue_events.first['email']).to eq(context.author.email)
+    end
+
     it "has the author's name" do
       expect(subject.issue_events.first['name']).to eq(context.author.name)
     end
@@ -70,6 +74,10 @@ describe Gitlab::CycleAnalytics::Events do
       expect(subject.code_events.first['created_at']).to end_with('ago')
     end
 
+    it "has the author's email" do
+      expect(subject.code_events.first['email']).to eq(context.author.email)
+    end
+
     it "has the author's name" do
       expect(subject.code_events.first['name']).to eq(context.author.name)
     end
@@ -118,6 +126,10 @@ describe Gitlab::CycleAnalytics::Events do
       expect(subject.review_events.first['created_at']).to end_with('ago')
     end
 
+    it "has the author's email" do
+      expect(subject.review_events.first['email']).to eq(MergeRequest.first.author.email)
+    end
+
     it "has the author's name" do
       expect(subject.review_events.first['name']).to eq(MergeRequest.first.author.name)
     end
@@ -173,6 +185,10 @@ describe Gitlab::CycleAnalytics::Events do
       expect(subject.production_events.first['created_at']).to end_with('ago')
     end
 
+    it "has the author's email" do
+      expect(subject.production_events.first['email']).to eq(context.author.email)
+    end
+
     it "has the author's name" do
       expect(subject.production_events.first['name']).to eq(context.author.name)
     end