Function GetState

3party/opening_hours/rules_evaluation.cpp:475–521

}

RuleState GetState(TRuleSequences const & rules, time_t const timestamp)
{
  RuleSequence const * emptyRule = nullptr;
  RuleSequence const * dayMatchedRule = nullptr;

  for (auto it = rules.rbegin(); it != rules.rend(); ++it)
  {
    auto const & rule = *it;
    auto const res = IsActiveImpl(rule, timestamp);
    if (!res.first)
      continue;

    bool const empty = rule.IsEmpty();
    if (res.second)
    {
      if (empty && !emptyRule)
        emptyRule = &rule;
      else
      {
        // Should understand if previous 'rule vs dayMatchedRule' should work
        // like 'general x BUT specific y' or like 'x OR y'.

        if (dayMatchedRule && IsR1IncludesR2(rule, *dayMatchedRule))
          return RuleState::Closed;

        return ModifierToRuleState(rule.GetModifier());
      }
    }
    else if (!empty && !dayMatchedRule && ModifierToRuleState(rule.GetModifier()) == RuleState::Open)
    {
      // Save recent day-matched rule with Open state, but not time-matched.
      dayMatchedRule = &rule;
    }
  }

  if (emptyRule)
  {
    if (emptyRule->HasComment())
      return RuleState::Unknown;
    else
      return ModifierToRuleState(emptyRule->GetModifier());
  }

  return (rules.empty()
          ? RuleState::Unknown
          : RuleState::Closed);
}
} // namespace osmoh