Repo created

libs/transit/world_feed/date_time_helpers.hpp

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+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "3party/just_gtfs/just_gtfs.h"
+#include "3party/opening_hours/opening_hours.hpp"
+
+namespace transit
+{
+// Creates osmoh::Time object from GTFS Time |gtfsTime|.
+osmoh::Time GetTimeOsmoh(gtfs::Time const & gtfsTime);
+
+// Creates osmoh::RuleSequence with Modifier::Open and osmoh::Timespan with |start| - |end|
+// interval.
+osmoh::RuleSequence GetRuleSequenceOsmoh(gtfs::Time const & start, gtfs::Time const & end);
+
+// Converts week day |index| in range [0, 6] to the osmoh::Weekday object.
+osmoh::Weekday ConvertWeekDayIndexToOsmoh(size_t index);
+
+// Inclusive interval of days and corresponding Open/Closed status.
+struct WeekdaysInterval
+{
+  size_t m_start = 0;
+  size_t m_end = 0;
+  osmoh::RuleSequence::Modifier m_status = osmoh::RuleSequence::Modifier::DefaultOpen;
+};
+
+// Calculates open/closed intervals for |week|.
+std::vector<WeekdaysInterval> GetOpenCloseIntervals(std::vector<gtfs::CalendarAvailability> const & week);
+
+// Sets start or end |date| for |range|.
+void SetOpeningHoursRange(osmoh::MonthdayRange & range, gtfs::Date const & date, bool isStart);
+
+// Extracts open/closed service days ranges from |serviceDays| to |rules|.
+void GetServiceDaysOsmoh(gtfs::CalendarItem const & serviceDays, osmoh::TRuleSequences & rules);
+
+// Extracts open/closed exception service days ranges from |exceptionDays| to |rules|.
+void GetServiceDaysExceptionsOsmoh(gtfs::CalendarDates const & exceptionDays, osmoh::TRuleSequences & rules);
+
+// Adds |srcRules| to |dstRules| if they are not present.
+void MergeRules(osmoh::TRuleSequences & dstRules, osmoh::TRuleSequences const & srcRules);
+}  // namespace transit