Reuse common code in issues resolver

app/graphql/resolvers/concerns/issue_resolver_fields.rb

@@ -49,6 +49,23 @@ module IssueResolverFields
               required: false
   end
 
+  def resolve(**args)
+    # The project could have been loaded in batch by `BatchLoader`.
+    # At this point we need the `id` of the project to query for issues, so
+    # make sure it's loaded and not `nil` before continuing.
+    parent = object.respond_to?(:sync) ? object.sync : object
+    return Issue.none if parent.nil?
+
+    # Will need to be be made group & namespace aware with
+    # https://gitlab.com/gitlab-org/gitlab-foss/issues/54520
+    args[:iids] ||= [args.delete(:iid)].compact if args[:iid]
+    args[:attempt_project_search_optimizations] = true if args[:search].present?
+
+    finder = IssuesFinder.new(current_user, args)
+
+    continue_issue_resolve(parent, finder, **args)
+  end
+
   class_methods do
     def resolver_complexity(args, child_complexity:)
       complexity = super

app/graphql/resolvers/issue_status_counts_resolver.rb

@@ -6,20 +6,7 @@ module Resolvers
 
     type Types::IssueStatusCountsType, null: true
 
-    def resolve(**args)
-      # The project could have been loaded in batch by `BatchLoader`.
-      # At this point we need the `id` of the project to query for issues, so
-      # make sure it's loaded and not `nil` before continuing.
-      parent = object.respond_to?(:sync) ? object.sync : object
-      return Issue.none if parent.nil?
-
-      # Will need to be be made group & namespace aware with
-      # https://gitlab.com/gitlab-org/gitlab-foss/issues/54520
-      args[:iids] ||= [args.delete(:iid)].compact if args[:iid]
-      args[:attempt_project_search_optimizations] = true if args[:search].present?
-
-      finder = IssuesFinder.new(current_user, args)
-
+    def continue_issue_resolve(parent, finder, **args)
       Gitlab::IssuablesCountForState.new(finder, parent)
     end
   end

app/graphql/resolvers/issues_resolver.rb

@@ -2,7 +2,7 @@
 
 module Resolvers
   class IssuesResolver < BaseResolver
-    prepend Resolvers::IssueResolverFields
+    prepend IssueResolverFields
 
     argument :state, Types::IssuableStateEnum,
               required: false,
@@ -18,19 +18,7 @@ module Resolvers
                                  label_priority_asc label_priority_desc
                                  milestone_due_asc milestone_due_desc].freeze
 
-    def resolve(**args)
-      # The project could have been loaded in batch by `BatchLoader`.
-      # At this point we need the `id` of the project to query for issues, so
-      # make sure it's loaded and not `nil` before continuing.
-      parent = object.respond_to?(:sync) ? object.sync : object
-      return Issue.none if parent.nil?
-
-      # Will need to be be made group & namespace aware with
-      # https://gitlab.com/gitlab-org/gitlab-foss/issues/54520
-      args[:iids] ||= [args.delete(:iid)].compact if args[:iid]
-      args[:attempt_project_search_optimizations] = true if args[:search].present?
-
-      finder = IssuesFinder.new(current_user, args)
+    def continue_issue_resolve(parent, finder, **args)
       issues = Gitlab::Graphql::Loaders::IssuableLoader.new(parent, finder).batching_find_all
 
       if non_stable_cursor_sort?(args[:sort])