1 files changed, 69 insertions, 0 deletions
diff --git a/app/graphql/resolvers/todos_resolver.rb b/app/graphql/resolvers/todos_resolver.rb
new file mode 100644
index 00000000000..3e8dddb4859
--- /dev/null
+++ b/app/graphql/resolvers/todos_resolver.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class TodosResolver < BaseResolver
+    type Types::TodoType.connection_type, null: true
+
+    alias_method :target, :object
+
+    argument :action, [Types::TodoActionEnum],
+             required: false,
+             description: 'Action to be filtered.'
+
+    argument :author_id, [GraphQL::Types::ID],
+             required: false,
+             description: 'ID of an author.'
+
+    argument :project_id, [GraphQL::Types::ID],
+             required: false,
+             description: 'ID of a project.'
+
+    argument :group_id, [GraphQL::Types::ID],
+             required: false,
+             description: 'ID of a group.'
+
+    argument :state, [Types::TodoStateEnum],
+             required: false,
+             description: 'State of the todo.'
+
+    argument :type, [Types::TodoTargetEnum],
+             required: false,
+             description: 'Type of the todo.'
+
+    before_connection_authorization do |nodes, current_user|
+      Preloaders::UserMaxAccessLevelInProjectsPreloader.new(
+        nodes.map(&:project).compact,
+        current_user
+      ).execute
+    end
+
+    def resolve(**args)
+      return Todo.none unless current_user.present? && target.present?
+      return Todo.none if target.is_a?(User) && target != current_user
+
+      TodosFinder.new(current_user, todo_finder_params(args)).execute.with_entity_associations
+    end
+
+    private
+
+    def todo_finder_params(args)
+      {
+        state: args[:state],
+        type: args[:type],
+        group_id: args[:group_id],
+        author_id: args[:author_id],
+        action_id: args[:action],
+        project_id: args[:project_id]
+      }.merge(target_params)
+    end
+
+    def target_params
+      return {} unless TodosFinder::TODO_TYPES.include?(target.class.name)
+
+      {
+        type: target.class.name,
+        target_id: target.id
+      }
+    end
+  end
+end