Class: Authorization::Analyzer::MergeableRulesProcessor

Inherits:
GeneralAuthorizationProcessor show all
Defined in:
lib/declarative_authorization/authorization_rules_analyzer.rb

Instance Method Summary collapse

Methods inherited from GeneralAuthorizationProcessor

#analyze, #initialize, #process_arglist, #process_hash, #process_iter, #process_lit

Constructor Details

This class inherits a constructor from Authorization::Analyzer::GeneralAuthorizationProcessor

Instance Method Details

#analyze_rules ⇒ Object 



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# File 'lib/declarative_authorization/authorization_rules_analyzer.rb', line 69

def analyze_rules
  if @has_permission
    #p @has_permission
    permissions_by_context_and_rules = @has_permission.inject({}) do |memo, permission|
      key = [permission[:context], permission[:rules]]
      memo[key] ||= []
      memo[key] << permission
      memo
    end

    permissions_by_context_and_rules.each do |key, rules|
      if rules.length > 1
        rule_lines = rules.collect {|rule| rule[:line] }
        rules.each do |rule|
          @analyzer.reports << Report.new(:mergeable_rules, "", rule[:line],
            "Similar rules already in line(s) " +
                rule_lines.reject {|l| l == rule[:line] } * ", ")
        end
      end
    end
  end
end

#process_call(exp) ⇒ Object 



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# File 'lib/declarative_authorization/authorization_rules_analyzer.rb', line 92

def process_call (exp)
  klass = exp.shift
  name = exp.shift
  case name
  when :role
    analyze_rules
    @has_permission = []
    s(:call, klass, name)
  when :has_permission_on
    arglist_line = exp[0].line
    arglist = process(exp.shift).shift
    context = arglist.shift
    args_hash = arglist.shift
    @has_permission << {
      :context => context,
      :rules => [],
      :privilege => args_hash && args_hash[:to],
      # a hack: call exp line seems to be wrong
      :line => arglist_line
    }
    s(:call, klass, name)
  when :to
    @has_permission.last[:privilege] = process(exp.shift).shift if @has_permission
    s(:call, klass, name)
  when :if_attribute
    @in_if_attribute = true
    rules = process(exp.shift).shift
    @has_permission.last[:rules] << rules if @has_permission
    @in_if_attribute = false
    s(:call, klass, name)
  else
    s(:call, klass, name, process(exp.shift))
  end
end