Initial commit

time_tracking/models.py

@@ -0,0 +1,105 @@
+from django.db import models
+from django.contrib.auth import get_user_model
+
+User = get_user_model()
+
+
+class TimeEntry(models.Model):
+
+    class EntryType(models.TextChoices):
+        TRAVEL = "travel", "Anfahrt"
+        WORK = "work", "Arbeitszeit"
+
+    project = models.ForeignKey(
+        "projects.Project",
+        on_delete=models.CASCADE,
+        related_name="time_entries",
+        verbose_name="Projekt"
+    )
+
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name="time_entries",
+        verbose_name="Mitarbeiter"
+    )
+
+    entry_type = models.CharField(
+        max_length=20,
+        choices=EntryType.choices,
+        default=EntryType.WORK,
+        verbose_name="Typ"
+    )
+
+    activity = models.CharField(
+        max_length=255,
+        verbose_name="Tätigkeit",
+        blank=True,
+    )
+
+    start = models.DateTimeField(
+        verbose_name="Beginn"
+    )
+
+    end = models.DateTimeField(null=True, blank=True)
+
+    break_minutes = models.PositiveIntegerField(
+        default=0,
+        verbose_name="Pause (Minuten)"
+    )
+
+    note = models.TextField(
+        blank=True,
+        verbose_name="Notiz"
+    )
+
+    invoiced = models.BooleanField(default=False,verbose_name="Abgerechnet")
+
+    created_at = models.DateTimeField(
+        auto_now_add=True
+    )
+
+    updated_at = models.DateTimeField(
+        auto_now=True
+    )
+
+    class Meta:
+        verbose_name = "Zeiterfassung"
+        verbose_name_plural = "Zeiterfassungen"
+        ordering = ["-start"]
+
+    def __str__(self):
+        return f"{self.user} - {self.start:%d.%m.%Y} - {self.duration_hours} Stunden"
+
+    @property
+    def duration_minutes(self):
+
+        if not self.end:
+            return 0
+
+        duration = (self.end - self.start).total_seconds() / 60
+        return max(0, int(duration) - self.break_minutes)
+
+    @property
+    def duration_hours(self):
+
+        if not self.end:
+            return 0
+
+        return round(self.duration_minutes / 60, 2)
+
+    @property
+    def duration_minutes_total(self):
+        end = self.end or None
+        if not end:
+            return 0
+        return max(0, int((end - self.start).total_seconds() / 60) - self.break_minutes)
+
+    @property
+    def duration_hhmm(self):
+        total_minutes = self.duration_minutes_total
+
+        hours = total_minutes // 60
+        minutes = total_minutes % 60
+
+        return f"{hours:02d}:{minutes:02d}"