Class: Historiqueux::HistoryController

Inherits:
ApplicationController show all
Defined in:
app/controllers/historiqueux/history_controller.rb

Instance Method Summary collapse

Instance Method Details

#classify_namespace(const) ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 108

def classify_namespace(const)
  const = const.classify
  if const.include?('::')
    new_const = ''
    splitted = const.split('::')
    for str in splitted do
      new_const = new_const + str.classify + '::'
    end
    const = new_const[0..(new_const.length - 3)]
  end
  const
end

#ensure_enumerable(object) ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 100

def ensure_enumerable(object)
  enum_object = object
  unless object.respond_to?(:each)
    enum_object = [object]
  end
  enum_object
end

#fetch_relation_resource(relation_resource, resource) ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 90

def fetch_relation_resource(relation_resource, resource)
  @relation_resource = relation_resource
  @relation_resource_list = ensure_enumerable(resource.send(@relation_resource))
  if @relation_resource_list.first.respond_to?('versions')
    namespaced_class_name = @relation_resource_list.first.versions.first.item_type
    @relation_class_name = classify_namespace(namespaced_class_name)
    @relation_resourceKlass = eval(@relation_class_name)
  end
end

#fetch_resource ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 82

def fetch_resource
  @resource = params[:resource]
  @class_name = classify_namespace(params[:resource])
  @resourceKlass = eval(@class_name)
  @resource_id = params[:resource_id]
  @resourceKlass.find(@resource_id)
end

#index ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 6

def index

  resource = fetch_resource
  if resource.respond_to?('versions')
    @history = resource.versions
    @parent_div = params[:parent_div]
    @relations = @resourceKlass.reflect_on_all_associations.map { |r| r.name }.reject { |i| i == :versions }
  end

  if request.xhr?
    render :layout => false
  end

end

#index_relations ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 21

def index_relations

  resource = fetch_resource
  if resource.respond_to?('versions')
    @history = resource.versions
    @parent_div = params[:parent_div]

    fetch_relation_resource(params[:relation_resource], resource)

    if @relation_resourceKlass

      relations = @relation_resourceKlass.reflect_on_all_associations
      cleaned_relations_array = remove_polymorphic_relations(relations)
      @relations = cleaned_relations_array.map { |r| {:name => r.name,
                                                      :parent => r.active_record.to_s,
                                                      :klass => r.klass } }.reject { |i| i[:name] == :versions }

      @history_relations = {}
      @relation_resource_list.each do |rr|
        @history_relations.store(rr.id, rr.versions)
      end

    end

  end

  if request.xhr?
    render :layout => false
  end

end

#remove_polymorphic_relations(relations) ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 53

def remove_polymorphic_relations(relations)
  cleaned_array = []
  relations.each do |relation|
    unless relation.options.empty?
      unless relation.options[:polymorphic]
        cleaned_array << relation
      end
    else
      cleaned_array << relation
    end
  end
  cleaned_array
end

#show ⇒ Object 



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# File 'app/controllers/historiqueux/history_controller.rb', line 68

def show

  @parent_div = params[:parent_div]
  @model_instance = fetch_resource
  version_id = params[:version_id]
  @preceding_version = @model_instance.versions.where(:id => version_id).first
  @version = @preceding_version.next

  if request.xhr?
    render :layout => false
  end

end