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// vim:set sw=2 ts=2 sts et:
//
// Copyright 2024 Rutger Broekhoff. Licensed under the EUPL.
#include <iostream>
#include <string_view>
#include <unordered_map>
#include <vector>
#include "daterange.hpp"
#include "schedule.hpp"
using namespace std::string_view_literals;
void schedule(const Options &options, Kv1Records &records, Kv1Index &index) {
FILE *out = stdout;
if (options.output_file_path != "-"sv)
out = fopen(options.output_file_path, "wb");
if (!out) {
fprintf(stderr, "Open %s: %s\n", options.output_file_path, strerrordesc_np(errno));
exit(EXIT_FAILURE);
}
std::cerr << "Generating schedule for " << options.line_planning_number << std::endl;
std::unordered_multimap<std::string, Kv1PeriodGroupValidity> period_group_validities;
for (const auto &pegr : records.period_group_validities)
period_group_validities.insert({ pegr.key.period_group_code, pegr });
std::unordered_multimap<std::string, Kv1PublicJourney> public_journeys;
for (const auto &pujo : records.public_journeys)
public_journeys.insert({ pujo.key.timetable_version_code, pujo });
std::cout << "line_planning_number,journey_number,date,departure_time" << std::endl;
for (const auto &tive : records.timetable_versions) {
std::vector<DateRange> tive_pegrval_ranges;
auto pegrval_range = period_group_validities.equal_range(tive.key.period_group_code);
for (auto it = pegrval_range.first; it != pegrval_range.second; it++) {
const auto &[_, pegrval] = *it;
tive_pegrval_ranges.emplace_back(pegrval.key.valid_from, pegrval.valid_thru);
}
DateRangeSeq seq(tive_pegrval_ranges.begin(), tive_pegrval_ranges.end());
seq = seq.clampFrom(tive.valid_from);
if (tive.valid_thru)
seq = seq.clampThru(*tive.valid_thru);
for (const auto &range : seq) for (auto date : range) {
auto weekday = std::chrono::year_month_weekday(std::chrono::sys_days(date)).weekday();
auto pujo_range = public_journeys.equal_range(tive.key.timetable_version_code);
for (auto itt = pujo_range.first; itt != pujo_range.second; itt++) {
const auto &[_, pujo] = *itt;
if (pujo.key.line_planning_number == options.line_planning_number && pujo.key.day_type.size() == 7
&& pujo.key.day_type[weekday.iso_encoding() - 1] == static_cast<char>('0' + weekday.iso_encoding())) {
std::cout << pujo.key.line_planning_number << "," << pujo.key.journey_number << ","
<< date << "," << pujo.departure_time << std::endl;
}
}
}
}
if (options.output_file_path != "-"sv) fclose(out);
}
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