149 lines
No EOL
5.3 KiB
Python
149 lines
No EOL
5.3 KiB
Python
from django.db import models
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from django_softdelete.models import SoftDeleteModel
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from authentication.models import ExtendedUser
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from inventory.models import Event, Item
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from django.db.models.signals import post_save, pre_save
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from django.dispatch import receiver
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STATE_CHOICES = (
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('pending_new', 'New'),
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('pending_open', 'Open'),
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('pending_shipping', 'Needs to be shipped'),
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('pending_physical_confirmation', 'Needs to be confirmed physically'),
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('pending_return', 'Needs to be returned'),
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('pending_postponed', 'Postponed'),
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('waiting_details', 'Waiting for details'),
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('waiting_pre_shipping', 'Waiting for Address/Shipping Info'),
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('closed_returned', 'Closed: Returned'),
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('closed_shipped', 'Closed: Shipped'),
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('closed_not_found', 'Closed: Not found'),
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('closed_not_our_problem', 'Closed: Not our problem'),
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('closed_duplicate', 'Closed: Duplicate'),
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('closed_timeout', 'Closed: Timeout'),
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('closed_spam', 'Closed: Spam'),
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('closed_nothing_missing', 'Closed: Nothing missing'),
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('closed_wtf', 'Closed: WTF'),
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('found_open', 'Item Found and stored externally'),
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('found_closed', 'Item Found and stored externally and closed'),
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)
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RELATION_STATUS_CHOICES = (
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('possible', 'Possible'),
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('confirmed', 'Confirmed'),
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('discarded', 'Discarded'),
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('provided', 'Provided'),
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)
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class IssueThread(SoftDeleteModel):
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id = models.AutoField(primary_key=True)
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uuid = models.CharField(max_length=255, unique=True, null=False, blank=False)
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name = models.CharField(max_length=255)
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event = models.ForeignKey(Event, null=True, on_delete=models.SET_NULL, related_name='issue_threads')
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manually_created = models.BooleanField(default=False)
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related_items = models.ManyToManyField(Item, through='ItemRelation')
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def short_uuid(self):
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return self.uuid[:8]
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@property
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def state(self):
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try:
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return self.state_changes.order_by('-timestamp').first().state
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except AttributeError:
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return 'none'
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@state.setter
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def state(self, value):
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if self.state == value:
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return
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self.state_changes.create(state=value)
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@property
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def assigned_to(self):
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try:
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return self.assignments.order_by('-timestamp').first().assigned_to
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except AttributeError:
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return None
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@assigned_to.setter
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def assigned_to(self, value):
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if self.assigned_to == value:
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return
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self.assignments.create(assigned_to=value)
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def __str__(self):
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return '[' + str(self.id) + '][' + self.short_uuid() + '] ' + self.name
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class Meta:
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permissions = [
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('send_mail', 'Can send mail'),
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('add_issuethread_manual', 'Can add issue thread manually'),
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('assign_issuethread', 'Can assign issue thread'),
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]
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@receiver(pre_save, sender=IssueThread)
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def set_uuid(sender, instance, **kwargs):
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import uuid
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if instance.uuid is None or instance.uuid == '':
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instance.uuid = str(uuid.uuid4())
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@receiver(post_save, sender=IssueThread)
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def create_issue_thread(sender, instance, created, **kwargs):
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if created:
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StateChange.objects.create(issue_thread=instance, state='pending_new')
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class Comment(models.Model):
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id = models.AutoField(primary_key=True)
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issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='comments')
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comment = models.TextField()
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timestamp = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return str(self.issue_thread) + ' comment #' + str(self.id)
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class StateChange(models.Model):
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id = models.AutoField(primary_key=True)
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issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='state_changes')
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state = models.CharField(max_length=255, choices=STATE_CHOICES, default='pending_new')
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timestamp = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return str(self.issue_thread) + ' state change to ' + self.state
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class Assignment(models.Model):
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id = models.AutoField(primary_key=True)
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issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='assignments')
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assigned_to = models.ForeignKey(ExtendedUser, on_delete=models.CASCADE, related_name='assigned_tickets')
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timestamp = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return str(self.issue_thread) + ' assigned to ' + self.assigned_to.username
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class ItemRelation(models.Model):
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id = models.AutoField(primary_key=True)
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issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='item_relations')
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item = models.ForeignKey(Item, on_delete=models.CASCADE, related_name='issues')
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timestamp = models.DateTimeField(auto_now_add=True)
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status = models.CharField(max_length=255, choices=RELATION_STATUS_CHOICES, default='possible')
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def __str__(self):
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return str(self.issue_thread) + ' related to ' + str(self.item)
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class ShippingCode(models.Model):
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id = models.AutoField(primary_key=True)
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issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='shipping_codes', null=True)
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code = models.CharField(max_length=255)
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timestamp = models.DateTimeField(auto_now_add=True)
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used_at = models.DateTimeField(null=True)
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def __str__(self):
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return str(self.issue_thread) + ' shipping code ' + self.code |