40 lines
1.5 KiB
Python
40 lines
1.5 KiB
Python
from django.db import models
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from mptt.models import MPTTModel, TreeForeignKey
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from django.utils.text import slugify
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TYPE_CHOICES = (
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('Лист', 'Лист'),
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('Труба', 'Труба'),
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('Круг', 'Круг'),
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('Уголок', 'Уголок'),
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('Профиль', 'Профиль'),
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('Плита', 'Плита'),
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('Швеллер', 'Швеллер'),
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('Ребро', 'Ребро'),
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('Тонкий', 'Тонкий'),
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('Толстый', 'Толстый'),
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)
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class Part(models.Model):
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name = models.CharField(max_length=255)
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decimal_number = models.CharField(max_length=50, unique=True)
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type = models.CharField(max_length=50, choices=TYPE_CHOICES)
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thickness = models.FloatField(null=True, blank=True)
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length = models.FloatField(null=True, blank=True)
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weight = models.FloatField(null=True, blank=True)
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cut_length = models.FloatField(null=True, blank=True)
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number_of_punches = models.IntegerField(null=True, blank=True)
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slug = models.SlugField(unique=True, max_length=255)
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def save(self, *args, **kwargs):
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self.slug = slugify(f"{self.name}-{self.decimal_number}")
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super().save(*args, **kwargs)
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def __str__(self):
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return f"{self.name} ({self.decimal_number})"
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class ProductStructure(MPTTModel):
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item = models.ForeignKey(Part, on_delete=models.CASCADE, related_name='structures')
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quantity = models.FloatField()
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parent = TreeForeignKey('self', on_delete=models.CASCADE)
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