From 17a3ea880402338420699e03bcb24181e4ff3924 Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Thu, 2 May 2024 20:27:40 +0200
Subject: Initial commit

Based on dc4ba6a
---
 src/querykv1/schedule.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/querykv1/schedule.cpp

(limited to 'src/querykv1/schedule.cpp')

diff --git a/src/querykv1/schedule.cpp b/src/querykv1/schedule.cpp
new file mode 100644
index 0000000..2bcfe0a
--- /dev/null
+++ b/src/querykv1/schedule.cpp
@@ -0,0 +1,63 @@
+// vim:set sw=2 ts=2 sts et:
+
+#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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