Add project milestone link to dashboard milestonesccr/49289_milestone_link

One of the steps to deprecate dashboard milestones.
Links do dashboard milestone are replaced with links for each
project milestone

1 files changed, 23 insertions, 6 deletions

diff --git a/app/models/group_milestone.rb b/app/models/group_milestone.rb
index 9dfaebacc83..a58537de319 100644
--- a/app/models/group_milestone.rb
+++ b/app/models/group_milestone.rb
@@ -1,18 +1,35 @@
 # frozen_string_literal: true
 # Group Milestones are milestones that can be shared among many projects within the same group
 class GroupMilestone < GlobalMilestone
-  attr_accessor :group
+  attr_reader :group, :milestones
 
   def self.build_collection(group, projects, params)
-    super(projects, params).each do |milestone|
-      milestone.group = group
+    params =
+      { state: params[:state] }
+
+    project_milestones = Milestone.of_projects(projects)
+    child_milestones = Milestone.filter_by_state(project_milestones, params[:state])
+    grouped_milestones = child_milestones.group_by(&:title)
+
+    grouped_milestones.map do |title, grouped|
+      new(title, grouped, group)
     end
   end
 
   def self.build(group, projects, title)
-    super(projects, title).tap do |milestone|
-      milestone&.group = group
-    end
+    child_milestones = Milestone.of_projects(projects).where(title: title)
+    return if child_milestones.blank?
+
+    new(title, child_milestones, group)
+  end
+
+  def initialize(title, milestones, group)
+    @milestones = milestones
+    @group = group
+  end
+
+  def milestone
+    @milestone ||= milestones.find { |m| m.description.present? } || milestones.first
   end
 
   def issues_finder_params