131 lines
3.6 KiB
Python
131 lines
3.6 KiB
Python
from __future__ import unicode_literals
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import uuid
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import re
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from django.db import models
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from django.conf import settings
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from django.contrib.auth.models import User
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from django_hstore import hstore
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from tree.fields import PathField
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from tree.models import TreeModelMixin
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import requests
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STATES = (
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("present", "Present"),
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("taken", "Taken"),
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("broken", "Broken"),
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("missing", "Missing"),
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("depleted", "Depleted"),
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)
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class Category(models.Model):
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name = models.CharField(max_length=127)
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icon_id = models.CharField(max_length=64, null=True, blank=True)
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def __str__(self):
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return self.name
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class Meta:
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ordering = ["name"]
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verbose_name_plural = "categories"
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# TODO label versioning
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# Zapisywać w URL na naklejce jej wersję, aby można było łatwo wyłapać
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# przedawnione informacje
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# Also przechowywać "id" z qrkodów/barkodów w historycznej bazie.
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# also qrcody w stylu //s/ID (żeby się resolvowało w sieci lokalnej)
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# Also ID zawierające część name
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class Item(models.Model, TreeModelMixin):
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uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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parent = models.ForeignKey("self", null=True, blank=True)
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path = PathField()
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name = models.TextField()
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description = models.TextField(blank=True, null=True)
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state = models.CharField(max_length=31, choices=STATES, default=STATES[0][0])
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categories = models.ManyToManyField(Category, blank=True)
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owner = models.ForeignKey(User, null=True, blank=True, related_name="owned_items")
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taken_by = models.ForeignKey(
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User, null=True, blank=True, related_name="taken_items"
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)
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taken_on = models.DateTimeField(blank=True, null=True)
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taken_until = models.DateTimeField(blank=True, null=True)
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props = hstore.DictionaryField(blank=True)
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objects = hstore.HStoreManager()
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def short_id(self):
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# let's just hope we never have 4 294 967 296 things :)
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return str(self.pk)[:8] # collisions? what collisions?
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def __str__(self):
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return "- " * (self.get_level() or 0) + self.name
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def get_absolute_url(self):
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from django.urls import reverse
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return reverse("item-display", kwargs={"pk": str(self.pk)})
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def get_or_create_label(self, **kwargs):
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defaults = {
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"id": re.sub("[^A-Z0-9]", "", self.name.upper())[:16],
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}
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defaults.update(kwargs)
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obj, created = self.labels.get_or_create(**kwargs, defaults=defaults)
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return obj
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@property
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def primary_category(self):
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return next((c for c in self.categories.all() if c.icon_id), None)
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def print(self):
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# todo: deduplicate
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resp = requests.post(
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"{}/api/1/print/{}".format(settings.LABEL_API, self.short_id())
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)
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resp.raise_for_status()
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class Meta:
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ordering = ("path",)
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class ItemImage(models.Model):
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item = models.ForeignKey(Item, related_name="images")
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image = models.ImageField()
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def __str__(self):
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return "{}".format(self.image.name)
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class Label(models.Model):
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id = models.CharField(max_length=64, primary_key=True)
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item = models.ForeignKey(Item, related_name="labels")
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style = models.CharField(
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max_length=32,
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choices=(("basic_99012_v1", "Basic Dymo 89x36mm label"),),
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default="basic_99012_v1",
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)
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created = models.DateTimeField(auto_now_add=True, blank=True)
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def __str__(self):
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return "{}".format(self.id)
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def print(self):
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resp = requests.post("{}/api/1/print/{}".format(settings.LABEL_API, self.id))
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resp.raise_for_status()
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