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126 lines
3.8 KiB
126 lines
3.8 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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require 'roar/decorator'
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require 'roar/hypermedia'
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require 'roar/json/hal'
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require 'api/v3/utilities/path_helper'
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module API
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module Decorators
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class Single < ::Roar::Decorator
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include ::Roar::JSON::HAL
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include ::Roar::Hypermedia
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include ::API::V3::Utilities::PathHelper
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attr_reader :context
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class_attribute :as_strategy
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self.as_strategy = ::API::Utilities::CamelCasingStrategy.new
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def initialize(model, context = {})
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@context = context
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super(model)
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end
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property :_type,
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exec_context: :decorator,
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render_nil: false
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def self.self_link(path: nil, title_getter: -> (*) { represented.name })
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link :self do
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path = _type.underscore unless path
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link_object = { href: api_v3_paths.send(path, represented.id) }
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title = instance_eval(&title_getter)
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link_object[:title] = title if title
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link_object
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end
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end
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def self.linked_property(property,
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path: property,
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getter: property,
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title_getter: -> (*) { call_or_send_to_represented(getter).name },
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show_if: -> (*) { true },
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embed_as: nil)
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link property.to_s.camelize(:lower) do
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next unless instance_eval(&show_if)
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value = call_or_send_to_represented(getter)
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link_object = { href: (api_v3_paths.send(path, value.id) if value) }
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if value
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title = instance_eval(&title_getter)
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link_object[:title] = title if title
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end
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link_object
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end
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if embed_as
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embed_property property,
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getter: getter,
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decorator: embed_as,
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show_if: show_if
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end
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end
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def self.embed_property(property, getter: property, decorator:, show_if: true)
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property property,
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exec_context: :decorator,
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getter: -> (*) { call_or_send_to_represented(getter) },
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embedded: true,
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decorator: decorator,
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if: show_if
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end
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protected
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def current_user
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context[:current_user]
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end
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private
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def call_or_send_to_represented(callable_or_name)
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if callable_or_name.respond_to? :call
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instance_exec(&callable_or_name)
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else
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represented.send(callable_or_name)
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end
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end
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def datetime_formatter
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::API::V3::Utilities::DateTimeFormatter
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end
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def _type; end
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end
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end
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end
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