80 lines
2.2 KiB
Ruby
80 lines
2.2 KiB
Ruby
require 'ransack/constants'
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require 'ransack/predicate'
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module Ransack
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module Configuration
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mattr_accessor :predicates, :options
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self.predicates = {}
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self.options = {
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:search_key => :q,
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:ignore_unknown_conditions => true
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}
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def configure
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yield self
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end
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def add_predicate(name, opts = {})
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name = name.to_s
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opts[:name] = name
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compounds = opts.delete(:compounds)
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compounds = true if compounds.nil?
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compounds = false if opts[:wants_array]
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self.predicates[name] = Predicate.new(opts)
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Constants::SUFFIXES.each do |suffix|
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compound_name = name + suffix
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self.predicates[compound_name] = Predicate.new(
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opts.merge(
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:name => compound_name,
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:arel_predicate => arel_predicate_with_suffix(
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opts[:arel_predicate], suffix
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),
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:compound => true
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)
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)
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end if compounds
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end
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# The default `search_key` name is `:q`. The default key may be overridden
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# in an initializer file like `config/initializers/ransack.rb` as follows:
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#
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# Ransack.configure do |config|
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# # Name the search_key `:query` instead of the default `:q`
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# config.search_key = :query
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# end
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#
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# Sometimes there are situations when the default search parameter name
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# cannot be used, for instance if there were two searches on one page.
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# Another name can be set using the `search_key` option with Ransack
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# `ransack`, `search` and `@search_form_for` methods in controllers & views.
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#
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# In the controller:
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# @search = Log.ransack(params[:log_search], search_key: :log_search)
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#
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# In the view:
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# <%= f.search_form_for @search, as: :log_search %>
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#
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def search_key=(name)
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self.options[:search_key] = name
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end
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# Raise an error if an unknown predicate, condition or attribute is passed
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# into a search.
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def ignore_unknown_conditions=(boolean)
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self.options[:ignore_unknown_conditions] = boolean
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end
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def arel_predicate_with_suffix(arel_predicate, suffix)
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if arel_predicate === Proc
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proc { |v| "#{arel_predicate.call(v)}#{suffix}" }
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else
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"#{arel_predicate}#{suffix}"
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end
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end
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end
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end
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