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from django.db import models
from django.urls import reverse
from django.utils.html import format_html
from django.utils import timezone
from django.conf import settings
class Item(models.Model):
isbn = models.CharField(max_length=100, blank=True, null=True)
serial_number = models.CharField(max_length=100, blank=True, null=True)
ITEM_TYPES = (
(0, 'Book'),
(1, 'Apparel'),
(2, 'Gadget'),
(3, 'Furniture'),
)
item_type = models.IntegerField(choices=ITEM_TYPES, default=0)
title = models.CharField(max_length=200)
creator = models.CharField(max_length=200, blank=True, null=True)
creator_sort_last_name = models.CharField(max_length=200, blank=True, null=True)
creator_sort_first_name = models.CharField(max_length=200, blank=True, null=True)
current_price = models.DecimalField(max_digits=8, decimal_places=2, blank=True, null=True)
retail_price = models.DecimalField(max_digits=8, decimal_places=2, blank=True, null=True)
purchase_price = models.DecimalField(max_digits=8, decimal_places=2, blank=True, null=True)
amazon_url = models.CharField(max_length=400, blank=True, null=True)
image_url = models.CharField(max_length=400, blank=True, null=True)
image = models.FileField(upload_to='stuff/', null=True, blank=True)
item_format = models.CharField(max_length=255, blank=True, null=True)
date_released = models.DateTimeField(blank=True, null=True)
date_purchased = models.DateTimeField(blank=True, null=True, default=timezone.now)
date_added = models.DateTimeField(blank=True, null=True, default=timezone.now)
class Meta:
ordering = ['-date_added']
def __str__(self):
return self.title
@property
def get_previous_published(self):
return self.get_previous_by_date_added(status__exact=1)
@property
def get_next_published(self):
return self.get_next_by_date_added(status__exact=1)
@property
def get_previous_admin_url(self):
n = self.get_previous_by_date_added()
return reverse('admin:%s_%s_change' % (self._meta.app_label, self._meta.model_name), args=[n.id])
@property
def get_next_admin_url(self):
model = apps.get_model(app_label=self._meta.app_label, model_name=self._meta.model_name)
try:
return reverse('admin:%s_%s_change' % (self._meta.app_label, self._meta.model_name), args=[self.get_next_by_date_added().pk])
except model.DoesNotExist:
return ''
def get_image_url(self):
return '%s%s' % (settings.MEDIA_URL, self.image)
def admin_thumbnail(self):
return format_html('<img src="%s" width="100" style="width:100px">' % (self.get_image_url()))
admin_thumbnail.short_description = 'Thumbnail'
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