new project structure

- use objects and inheritance - enabled combined version for drinking and loading bar without impacting any of them
2025-07-30 13:42:18 +02:00
parent 84a2a94064
commit eed441343c
8 changed files with 925 additions and 0 deletions
--- a/zeitlaeufer/src/main/java/de/szimnau/DrinkingBar.java
+++ b/zeitlaeufer/src/main/java/de/szimnau/DrinkingBar.java
@@ -0,0 +1,65 @@
+package de.szimnau;
+
+import de.szimnau.tools.CommonTools;
+import de.szimnau.tools.FormatTools;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.IOException;
+import java.math.BigDecimal;
+import java.nio.charset.StandardCharsets;
+import java.text.DecimalFormat;
+import java.time.LocalTime;
+import java.time.temporal.ChronoUnit;
+
+import static de.szimnau.tools.CommonTools.print;
+
+
+public class DrinkingBar extends AbstractLoadingBar {
+
+   private static final int MINS_PER_HALF_HOUR = CommonTools.MINS_PER_HOUR / 2;
+   private static final int MINUTES_BEFORE_PAUSE = 4 * CommonTools.MINS_PER_HOUR + MINS_PER_HALF_HOUR;
+   private static final int MINUTES_WITH_PAUSE = 6 * CommonTools.MINS_PER_HOUR;
+   private static final DecimalFormat LITER_FORMAT = new DecimalFormat("0.00");
+
+
+   protected DrinkingBar(LocalTime startTime) {
+      super(startTime, 8 * CommonTools.MINS_PER_HOUR + MINS_PER_HALF_HOUR);
+   }
+
+
+   public static void main(String[] args) throws IOException {
+      var br = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
+      print("Ankunftszeit: ");
+      var startTime = LocalTime.parse(br.readLine(), FormatTools.TIME_FORMATTER).truncatedTo(ChronoUnit.MINUTES);
+      long totalMinutes = 8 * CommonTools.MINS_PER_HOUR + MINS_PER_HALF_HOUR;
+      var db = new DrinkingBar(startTime);
+      db.showLoadingBar();
+   }
+
+
+   @Override
+   protected String fillLoadingBar(long passedMinutes, boolean progressive) {
+      long effectivePassedMinutes = passedMinutes;
+      if (passedMinutes > MINUTES_BEFORE_PAUSE && passedMinutes <= MINUTES_WITH_PAUSE) {
+         effectivePassedMinutes = MINUTES_BEFORE_PAUSE;
+      }
+      double currentLitres = 2.0 / getTotalMinutes() * effectivePassedMinutes + 0.25;
+      double printedLitres = currentLitres - (currentLitres % 0.25);
+      double currentProgressToNextStep = 100 / 0.25 * (currentLitres - printedLitres);
+      BigDecimal minutesToNextStep = getMinutesToNextStep(currentLitres);
+      String progressivePart = progressive ? "\r" : "";
+      return progressivePart + "Aktuelles Volumen: " + LITER_FORMAT.format(printedLitres) + "L - "
+         + FormatTools.PERCENTAGE_FORMAT.format(currentProgressToNextStep) + "% - "
+         + FormatTools.minutesToTimeString(minutesToNextStep);
+   }
+
+
+   private BigDecimal getMinutesToNextStep(double currentLitres) {
+      // berechne Liter benötigt bis zum nächsten 0.25er Schritt
+      double litresToNextStep = 0.25 - (currentLitres % 0.25);
+      // berechne Minuten benötigt für 1 Liter
+      double minutesPerLitre = getTotalMinutes() / 2.0;
+      // berechne Minuten benötigt bis zum nächsten 0.25er Schritt
+      return BigDecimal.valueOf((minutesPerLitre * litresToNextStep) + 1);
+   }
+}