comfy/artel/store/models.py

129 wiersze
3.4 KiB
Python
Czysty Zwykły widok Historia

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from django.db import models
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from modelcluster.models import ClusterableModel
from modelcluster.fields import ParentalKey
from wagtail.admin.panels import (
FieldPanel,
InlinePanel
)
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from wagtail.models import (
Orderable,
Page
)
from wagtail import fields as wagtail_fields
from taggit.managers import TaggableManager
from taggit.models import Tag
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class ProductAuthor(models.Model):
name = models.CharField(max_length=255)
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# TODO - add author contact data
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def __str__(self):
return self.name
class ProductCategory(ClusterableModel):
name = models.CharField(max_length=255)
def __str__(self):
return self.name
panels = [
FieldPanel("name"),
InlinePanel("category_params")
]
class CategoryParamTypeChoices(models.TextChoices):
INT = "int"
STRING = "str"
FLOAT = "float"
class ProductCategoryParam(ClusterableModel):
category = ParentalKey(ProductCategory, on_delete=models.CASCADE, related_name="category_params")
key = models.CharField(max_length=200)
param_type = models.CharField(max_length=200, choices=CategoryParamTypeChoices.choices)
def __str__(self):
return self.key
class ProductTemplate(ClusterableModel):
category = models.ForeignKey(ProductCategory, on_delete=models.CASCADE)
author = models.ForeignKey(ProductAuthor, on_delete=models.CASCADE)
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title = models.CharField(max_length=255)
code = models.CharField(max_length=255)
description = models.TextField()
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tags = TaggableManager()
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def __str__(self):
return self.title
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def get_images(self):
return self.images.objects.all().values_list("image")
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panels = [
FieldPanel("category"),
FieldPanel("author"),
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FieldPanel("family"),
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FieldPanel('title'),
FieldPanel('code'),
FieldPanel('description'),
InlinePanel("images")
]
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class ProductImage(models.Model):
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template = ParentalKey(
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ProductTemplate, on_delete=models.CASCADE, related_name="images"
)
image = models.ImageField()
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class Product(ClusterableModel):
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template = models.ForeignKey(ProductTemplate, on_delete=models.CASCADE, related_name="products")
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price = models.FloatField()
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available = models.BooleanField(default=True)
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panels = [
FieldPanel("template"),
FieldPanel("price"),
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InlinePanel("param_values"),
InlinePanel("available")
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]
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@property
def title(self):
return f"{self.template.title} - {self.price}"
class TemplateParamValue(models.Model):
param = models.ForeignKey(ProductCategoryParam, on_delete=models.CASCADE)
product = ParentalKey(Product, on_delete=models.CASCADE, related_name="param_values")
value = models.CharField(max_length=255)
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class ProductListPage(Page):
# TODO add filters
description = wagtail_fields.RichTextField(blank=True)
tags = TaggableManager(blank=True)
def _get_items(self):
if self.tags:
return Product.objects.filter(available=True, template__tags__in=self.tags.all())
return Product.objects.filter(available=True)
def get_context(self, request):
context = super().get_context(request)
context["items"] = self._get_items()
return context
content_panels = Page.content_panels + [
FieldPanel("description"),
FieldPanel("tags")
]