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spejstore-new/storage/models.py

113 lines
3.2 KiB
Python

from __future__ import unicode_literals
import uuid
import re
from django.db import models
from django.conf import settings
from django.contrib.auth.models import User
from django_hstore import hstore
from tree.fields import PathField
from tree.models import TreeModelMixin
import requests
STATES = (
('present', 'Present'),
('taken', 'Taken'),
('broken', 'Broken'),
('missing', 'Missing'),
)
class Category(models.Model):
name = models.CharField(max_length=127)
icon_id = models.CharField(max_length=64, null=True, blank=True)
def __str__(self):
return self.name
class Meta:
ordering = ['name']
# TODO label versioning
# Zapisywać w URL na naklejce jej wersję, aby można było łatwo wyłapać
# przedawnione informacje
# Also przechowywać "id" z qrkodów/barkodów w historycznej bazie.
# also qrcody w stylu //s/ID (żeby się resolvowało w sieci lokalnej)
# Also ID zawierające część name
class Item(models.Model, TreeModelMixin):
uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
parent = models.ForeignKey('self', null=True, blank=True)
path = PathField()
name = models.TextField()
description = models.TextField(blank=True, null=True)
state = models.CharField(max_length=31, choices=STATES, default=STATES[0][0])
categories = models.ManyToManyField(Category, blank=True)
owner = models.ForeignKey(User, null=True, blank=True, related_name='owned_items')
taken_by = models.ForeignKey(User, null=True, blank=True, related_name='taken_items')
taken_on = models.DateTimeField(blank=True, null=True)
taken_until = models.DateTimeField(blank=True, null=True)
props = hstore.DictionaryField(blank=True)
objects = hstore.HStoreManager()
def __str__(self):
return '- ' * (self.get_level() or 0) + self.name
def get_absolute_url(self):
from django.urls import reverse
return reverse('item-display', kwargs={'pk': str(self.pk)})
def get_or_create_label(self, **kwargs):
defaults = {
'id': re.sub('[^A-Z0-9]', '', self.name.upper())[:16],
}
defaults.update(kwargs)
obj, created = self.labels.get_or_create(**kwargs, defaults=defaults)
return obj
@property
def primary_category(self):
return next((c for c in self.categories.all() if c.icon_id), None)
class Meta:
ordering = ('path',)
class ItemImage(models.Model):
item = models.ForeignKey(Item, related_name='images')
image = models.ImageField()
def __str__(self):
return '{}'.format(self.image.name)
class Label(models.Model):
id = models.CharField(max_length=64, primary_key=True)
item = models.ForeignKey(Item, related_name='labels')
style = models.CharField(max_length=32, choices=(
('basic_99012_v1', 'Basic Dymo 89x36mm label'),
), default='basic_99012_v1')
created = models.DateTimeField(auto_now_add=True, blank=True)
def __str__(self):
return '{}'.format(self.id)
def print(self):
resp = requests.post(
'{}/api/1/print/{}'.format(settings.LABEL_API, self.id))
resp.raise_for_status()