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module Api
module V2
class FiltersController < V2::BaseController
include Api::Version2
include Api::TaxonomyScope

before_filter :find_role
before_filter :find_resource, :only => %w{show update destroy}

api :GET, "/filters/", "List all filters."
param :search, String, :desc => "filter results", :required => false
param :page, String, :desc => "paginate results"
param :per_page, String, :desc => "number of entries per request"

def index
@filters = resource_scope.search_for(*search_options).paginate(paginate_options)
end

api :GET, "/filters/:id/", "Show a filter."
param :id, :identifier, :required => true

def show
end

def_param_group :filter do
param :filter, Hash, :action_aware => true, :required => true do
param :role_id, String, :required => true
param :search, String
param :permission_ids, Array
param :organization_ids, Array
param :location_ids, Array
end
end

api :POST, "/filters/", "Create a filter."
param_group :filter, :as => :create

def create
@filter = Filter.new(params[:filter])
process_response @filter.save
end

api :PUT, "/filters/:id/", "Update a filter."
param :id, String, :required => true
param_group :filter

def update
process_response @filter.update_attributes(params[:filter])
end

api :DELETE, "/filters/:id/", "Delete a filter."
param :id, String, :required => true

def destroy
process_response @filter.destroy
end

private

def find_role
@role = Role.find_by_id(role_id)
end

def resource_scope(controller = controller_name)
@resource_scope ||= @role.present? ?
@role.filters.authorized("#{action_permission}_#{controller}") :
resource_class.scoped.authorized("#{action_permission}_#{controller}")
end

def role_id
params[:role_id]
end

end
end
end
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