1 files changed, 79 insertions, 0 deletions
diff --git a/app/graphql/resolvers/concerns/issue_resolver_arguments.rb b/app/graphql/resolvers/concerns/issue_resolver_arguments.rb
new file mode 100644
index 00000000000..2b14d8275d1
--- /dev/null
+++ b/app/graphql/resolvers/concerns/issue_resolver_arguments.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+module IssueResolverArguments
+  extend ActiveSupport::Concern
+
+  prepended do
+    include LooksAhead
+
+    argument :iid, GraphQL::STRING_TYPE,
+              required: false,
+              description: 'IID of the issue. For example, "1"'
+    argument :iids, [GraphQL::STRING_TYPE],
+              required: false,
+              description: 'List of IIDs of issues. For example, [1, 2]'
+    argument :label_name, GraphQL::STRING_TYPE.to_list_type,
+              required: false,
+              description: 'Labels applied to this issue'
+    argument :milestone_title, GraphQL::STRING_TYPE.to_list_type,
+              required: false,
+              description: 'Milestone applied to this issue'
+    argument :assignee_username, GraphQL::STRING_TYPE,
+              required: false,
+              description: 'Username of a user assigned to the issue'
+    argument :assignee_id, GraphQL::STRING_TYPE,
+              required: false,
+              description: 'ID of a user assigned to the issues, "none" and "any" values supported'
+    argument :created_before, Types::TimeType,
+              required: false,
+              description: 'Issues created before this date'
+    argument :created_after, Types::TimeType,
+              required: false,
+              description: 'Issues created after this date'
+    argument :updated_before, Types::TimeType,
+              required: false,
+              description: 'Issues updated before this date'
+    argument :updated_after, Types::TimeType,
+              required: false,
+              description: 'Issues updated after this date'
+    argument :closed_before, Types::TimeType,
+              required: false,
+              description: 'Issues closed before this date'
+    argument :closed_after, Types::TimeType,
+              required: false,
+              description: 'Issues closed after this date'
+    argument :search, GraphQL::STRING_TYPE,
+              required: false,
+              description: 'Search query for issue title or description'
+    argument :types, [Types::IssueTypeEnum],
+              as: :issue_types,
+              description: 'Filter issues by the given issue types',
+              required: false
+  end
+
+  def resolve_with_lookahead(**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 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
+      complexity += 2 if args[:labelName]
+
+      complexity
+    end
+  end
+end