Add summarized cost entries

lib/api/v3/cost_types/cost_type_model.rb

@@ -0,0 +1,55 @@
+#-- encoding: UTF-8
+#-- copyright
+# OpenProject is a project management system.
+# Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+require 'reform'
+require 'reform/form/coercion'
+
+module API
+  module V3
+    module CostTypes
+      class CostTypeModel < Reform::Form
+
+        def initialize(model, options = {})
+          @units = options[:units]
+
+          super(model)
+        end
+
+        property :id, type: Integer
+        property :name, type: String
+        property :unit, type: String
+        property :unit_plural, type: String
+
+        def units
+          @units ? @units : model.cost_entries.sum(&:units)
+        end
+      end
+    end
+  end
+end

lib/api/v3/cost_types/cost_type_representer.rb

@@ -0,0 +1,75 @@
+#-- encoding: UTF-8
+#-- copyright
+# OpenProject is a project management system.
+# Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+require 'roar/decorator'
+require 'roar/representer/json/hal'
+
+module API
+  module V3
+    module CostTypes
+      class CostTypeRepresenter < Roar::Decorator
+        include Roar::Representer::JSON::HAL
+        include Roar::Representer::Feature::Hypermedia
+        include OpenProject::StaticRouting::UrlHelpers
+
+        self.as_strategy = API::Utilities::CamelCasingStrategy.new
+
+        def initialize(model, options = {}, *expand)
+          @expand = expand
+          @work_package = options[:work_package]
+
+          super(model)
+        end
+
+        property :_type, exec_context: :decorator
+
+        link :self do
+          { 
+            href: root_url + url_for({ controller: '/costlog',
+                                       action: 'index',
+                                       project_id: @work_package.project,
+                                       work_package_id: @work_package,
+                                       cost_type_id: represented,
+                                       only_path: true })
+          }
+        end
+
+        property :id, render_nil: true
+        property :name, render_nil: true
+        property :units, render_nil: true
+        property :unit, render_nil: true
+        property :unit_plural, render_nil: true
+
+        def _type
+          'CostType'
+        end
+      end
+    end
+  end
+end

lib/open_project/costs/engine.rb

@@ -121,6 +121,7 @@ module OpenProject::Costs
 
       property :overall_costs, exec_context: :decorator
 
+      property :summarized_cost_entries, embedded: true, exec_context: :decorator
 
       send(:define_method, :cost_object) do
         ::API::V3::CostObjects::CostObjectModel.new(represented.work_package.cost_object)
@@ -139,6 +140,13 @@ module OpenProject::Costs
         number_to_currency(self.attributes_helper.overall_costs)
       end
 
+      send(:define_method, :summarized_cost_entries) do
+        cost_object_models = self.attributes_helper.summarized_cost_entries.each_with_object([]) do |s, l|
+          l << ::API::V3::CostTypes::CostTypeModel.new(s[0], units: s[1][:units])
+        end
+        cost_object_models.map { |c| ::API::V3::CostTypes::CostTypeRepresenter.new(c, work_package: represented.work_package) }
+      end
+
       send(:define_method, :attributes_helper) do
         @attributes_helper ||= OpenProject::Costs::AttributesHelper.new(represented.work_package)
       end