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74 lines
2.4 KiB
74 lines
2.4 KiB
13 years ago
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# tweaks to allow Squeel Join
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module CanCan
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module ModelAdapters
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class ActiveRecordAdapter < AbstractAdapter
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def tableized_conditions(conditions, model_class = @model_class)
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return conditions unless conditions.kind_of? Hash
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conditions.inject({}) do |result_hash, (name, value)|
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reflection_name = name.kind_of?(Symbol) ? name : name._name # Squeel compatibility
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if value.kind_of? Hash
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reflection = model_class.reflect_on_association(reflection_name)
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association_class = reflection.class_name.constantize
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name = reflection.table_name.to_sym
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value = tableized_conditions(value, association_class)
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end
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result_hash[name] = value
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result_hash
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end
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end
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private
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# override to fix overwrites
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# do not write existing hashes using empty hashes
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def merge_joins(base, add)
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add.each do |name, nested|
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if base[name].is_a?(Hash) && nested.present?
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merge_joins(base[name], nested)
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elsif !base[name].is_a?(Hash) || nested.present?
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base[name] = nested
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end
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end
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end
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end
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end
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class Rule
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# allow Squeel Join
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def matches_conditions_hash?(subject, conditions = @conditions)
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if conditions.empty?
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true
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else
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if model_adapter(subject).override_conditions_hash_matching? subject, conditions
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model_adapter(subject).matches_conditions_hash? subject, conditions
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else
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conditions.all? do |name, value|
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if model_adapter(subject).override_condition_matching? subject, name, value
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model_adapter(subject).matches_condition? subject, name, value
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else
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method_name = name.kind_of?(Symbol) ? name : name._name # Squeel compatibility
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attribute = subject.send(method_name)
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if value.kind_of?(Hash)
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if attribute.kind_of? Array
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attribute.any? { |element| matches_conditions_hash? element, value }
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else
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!attribute.nil? && matches_conditions_hash?(attribute, value)
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end
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elsif value.kind_of?(Array) || value.kind_of?(Range)
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value.include? attribute
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else
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attribute == value
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end
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end
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end
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end
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end
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end
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end
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end
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