1 files changed, 39 insertions, 0 deletions
diff --git a/app/finders/crm/contacts_finder.rb b/app/finders/crm/contacts_finder.rb
new file mode 100644
index 00000000000..c2d44bec27b
--- /dev/null
+++ b/app/finders/crm/contacts_finder.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+# Finder for retrieving contacts scoped to a group
+#
+# Arguments:
+#   current_user - user performing the action. Must have the correct permission level for the group.
+#   params:
+#     group: Group, required
+module Crm
+  class ContactsFinder
+    include Gitlab::Allowable
+    include Gitlab::Utils::StrongMemoize
+
+    attr_reader :params, :current_user
+
+    def initialize(current_user, params = {})
+      @current_user = current_user
+      @params = params
+    end
+
+    def execute
+      return CustomerRelations::Contact.none unless root_group
+
+      root_group.contacts
+    end
+
+    private
+
+    def root_group
+      strong_memoize(:root_group) do
+        group = params[:group]&.root_ancestor
+
+        next unless can?(@current_user, :read_crm_contact, group)
+
+        group
+      end
+    end
+  end
+end