122 lines
3.6 KiB
Python
122 lines
3.6 KiB
Python
from django.db import models
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from django.utils import timezone
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from django.core.validators import MinValueValidator, MaxValueValidator
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class Institute(models.Model):
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name = models.CharField(max_length=100)
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def __str__(self):
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return self.name
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class Betriebskosten(models.Model):
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KOSTENTYP_CHOICES = [
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('sach', 'Sachkostöen'),
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('ln2', 'LN2'),
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('helium', 'Helium'),
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('inv', 'Inventar'),
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]
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buchungsdatum = models.DateField('Buchungsdatum')
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rechnungsnummer = models.CharField('Rechnungsnummer', max_length=50)
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kostentyp = models.CharField('Kostentyp', max_length=10, choices=KOSTENTYP_CHOICES)
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gas_volume = models.DecimalField('Gasvolumen (Liter)', max_digits=10, decimal_places=2, null=True, blank=True)
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betrag = models.DecimalField('Betrag (€)', max_digits=10, decimal_places=2)
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beschreibung = models.TextField('Beschreibung', blank=True)
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@property
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def price_per_liter(self):
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if self.kostentyp == 'helium' and self.gas_volume:
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return self.betrag / self.gas_volume
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return None
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def __str__(self):
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return f"{self.buchungsdatum} - {self.get_kostentyp_display()} - {self.betrag}€" # Fixed the missing quote
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class Client(models.Model):
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name = models.CharField(max_length=100)
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address = models.TextField()
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institute = models.ForeignKey(Institute, on_delete=models.CASCADE) # Remove null=True, blank=True
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def __str__(self):
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return f"{self.name} ({self.institute.name})"
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class ExcelEntry(models.Model):
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client = models.ForeignKey(Client, on_delete=models.CASCADE)
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date = models.DateField(default=timezone.now)
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pressure = models.DecimalField(
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max_digits=10,
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decimal_places=2,
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validators=[MinValueValidator(0)],
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default=0.00
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)
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purity = models.DecimalField(
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max_digits=5,
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decimal_places=2,
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validators=[MinValueValidator(0), MaxValueValidator(100)],
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default=0.00
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)
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notes = models.TextField(blank=True, null=True)
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date_joined = models.DateField(auto_now_add=True)
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# Manual input
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lhe_zus = models.DecimalField(
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max_digits=10,
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decimal_places=3,
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validators=[MinValueValidator(0)],
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default=0.0
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)
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druckkorrektur = models.DecimalField(
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max_digits=10,
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decimal_places=3,
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validators=[MinValueValidator(0)],
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default=1.0
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)
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# Auto-calculated values (saved)
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constant_300 = models.DecimalField(
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max_digits=10,
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decimal_places=3,
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default=300.0
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)
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korrig_druck = models.DecimalField(
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max_digits=12,
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decimal_places=6,
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default=0.0
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)
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nm3 = models.DecimalField(
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max_digits=12,
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decimal_places=6,
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default=0.0
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)
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lhe = models.DecimalField(
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max_digits=12,
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decimal_places=6,
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default=0.0
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)
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lhe_ges = models.DecimalField(
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max_digits=12,
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decimal_places=6,
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default=0.0
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)
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class SecondTableEntry(models.Model):
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client = models.ForeignKey(Client, on_delete=models.CASCADE)
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date = models.DateField(default=timezone.now)
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is_warm = models.BooleanField(default=False)
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lhe_delivery = models.CharField(max_length=100, blank=True, null=True)
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lhe_output = models.DecimalField(
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max_digits=10,
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decimal_places=2,
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validators=[MinValueValidator(0)],
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blank=True,
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null=True
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)
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notes = models.TextField(blank=True, null=True)
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date_joined = models.DateField(auto_now_add=True)
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def __str__(self):
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return f"{self.client.name} - {self.date}" |