Fix group project selection in IssuableFinder

app/finders/issuable_finder.rb

@@ -80,9 +80,10 @@ class IssuableFinder
       @projects = project
     elsif current_user && params[:authorized_only].presence && !current_user_related?
       @projects = current_user.authorized_projects.reorder(nil)
+    elsif group
+      @projects = GroupProjectsFinder.new(group).execute(current_user).reorder(nil)
     else
-      @projects = GroupProjectsFinder.new(group).execute(current_user).
-        reorder(nil)
+      @projects = ProjectsFinder.new.execute(current_user).reorder(nil)
     end
   end
 
@@ -198,8 +199,7 @@ class IssuableFinder
   end
 
   def by_group(items)
-    items = items.of_group(group) if group
-
+    # Selection by group is already covered by `by_project` and `projects`
     items
   end
 

app/models/issue.rb

@@ -33,9 +33,6 @@ class Issue < ActiveRecord::Base
   belongs_to :project
   validates :project, presence: true
 
-  scope :of_group,
-    ->(group) { where(project_id: group.projects.select(:id).reorder(nil)) }
-
   scope :cared, ->(user) { where(assignee_id: user) }
   scope :open_for, ->(user) { opened.assigned_to(user) }
   scope :in_projects, ->(project_ids) { where(project_id: project_ids) }
@@ -106,7 +103,7 @@ class Issue < ActiveRecord::Base
 
   def related_branches
     return [] if self.project.empty_repo?
-    
+
     self.project.repository.branch_names.select { |branch| branch.end_with?("-#{iid}") }
   end
 

app/models/merge_request.rb

@@ -131,7 +131,6 @@ class MergeRequest < ActiveRecord::Base
   validate :validate_branches
   validate :validate_fork
 
-  scope :of_group, ->(group) { where("source_project_id in (:group_project_ids) OR target_project_id in (:group_project_ids)", group_project_ids: group.projects.select(:id).reorder(nil)) }
   scope :by_branch, ->(branch_name) { where("(source_branch LIKE :branch) OR (target_branch LIKE :branch)", branch: branch_name) }
   scope :cared, ->(user) { where('assignee_id = :user OR author_id = :user', user: user.id) }
   scope :by_milestone, ->(milestone) { where(milestone_id: milestone) }