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Contents
module Praxis
module Extensions
module FieldExpansion
extend ActiveSupport::Concern
included do
Praxis::ActionDefinition.send(:include, ActionDefinitionExtension)
end
def expanded_fields
@expansion ||= request.action.expanded_fields(self.request, self.media_type)
end
module ActionDefinitionExtension
extend ActiveSupport::Concern
def expanded_fields(request, media_type)
use_fields = self.params && self.params.attributes.key?(:fields)
use_view = self.params && self.params.attributes.key?(:view)
# Determine what, if any, fields to display.
fields = if use_fields
request.params.fields.fields
else
true
end
# Determine the view that COULD be applicable.
view = if use_view && (view_name = request.params.view)
media_type.views[view_name]
else
media_type.views[:default]
end
expandable = if fields == true
# We want to show ALL of the available fields.
# This can never be applied to the type (it's likely infinitely recursive).
# So use view_name determimed above.
view
else
# We want to show SOME of fields available on a view or type.
if use_view && request.params.view
# Use the requested view.
view
else
# Use the type.
media_type
end
end
Praxis::FieldExpander.expand(expandable,fields)
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems