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Contents
module Graphiti
# Default filters apply to every request, unless specifically overridden in
# the request.
#
# Maybe we only want to show active posts:
#
# class PostResource < ApplicationResource
# # ... code ...
# default_filter :active do |scope|
# scope.where(active: true)
# end
# end
#
# But if the user is an admin and specifically requests inactive posts:
#
# class PostResource < ApplicationResource
# # ... code ...
# allow_filter :active, if: admin?
#
# default_filter :active do |scope|
# scope.where(active: true)
# end
# end
#
# # Now a GET /posts?filter[active]=false will return inactive posts
# # if the user is an admin.
#
# @see Resource.default_filter
# @see Resource.allow_filter
class Scoping::DefaultFilter < Scoping::Base
include Scoping::Filterable
# Apply the default filtering logic.
# Loop through each defined default filter, and apply the default
# proc unless an explicit override is requested
#
# @return scope the scope object we are chaining/modifying
def apply
resource.default_filters.each_pair do |name, opts|
next if overridden?(name)
@scope = resource.instance_exec(@scope, resource.context, &opts[:filter])
end
@scope
end
private
def overridden?(name)
if (found = find_filter(name))
found_aliases = found[name][:aliases]
filter_param.keys.any? { |k| found_aliases.include?(k.to_sym) }
else
false
end
end
end
end
Version data entries
77 entries across 77 versions & 1 rubygems