Add latest changes from gitlab-org/gitlab@13-0-stable-ee

1 files changed, 58 insertions, 0 deletions

diff --git a/app/finders/design_management/versions_finder.rb b/app/finders/design_management/versions_finder.rb
new file mode 100644
index 00000000000..c4aefd3078e
--- /dev/null
+++ b/app/finders/design_management/versions_finder.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+module DesignManagement
+  class VersionsFinder
+    attr_reader :design_or_collection, :current_user, :params
+
+    # The `design_or_collection` argument should be either a:
+    #
+    # - DesignManagement::Design, or
+    # - DesignManagement::DesignCollection
+    #
+    # The object will have `#versions` called on it to set up the
+    # initial scope of the versions.
+    #
+    # valid params:
+    #   - earlier_or_equal_to: Version
+    #   - sha: String
+    #   - version_id: Integer
+    #
+    def initialize(design_or_collection, current_user, params = {})
+      @design_or_collection = design_or_collection
+      @current_user = current_user
+      @params = params
+    end
+
+    def execute
+      unless Ability.allowed?(current_user, :read_design, design_or_collection)
+        return ::DesignManagement::Version.none
+      end
+
+      items = design_or_collection.versions
+      items = by_earlier_or_equal_to(items)
+      items = by_sha(items)
+      items = by_version_id(items)
+      items.ordered
+    end
+
+    private
+
+    def by_earlier_or_equal_to(items)
+      return items unless params[:earlier_or_equal_to]
+
+      items.earlier_or_equal_to(params[:earlier_or_equal_to])
+    end
+
+    def by_version_id(items)
+      return items unless params[:version_id]
+
+      items.id_in(params[:version_id])
+    end
+
+    def by_sha(items)
+      return items unless params[:sha]
+
+      items.by_sha(params[:sha])
+    end
+  end
+end