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72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
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"""models.py: messages extends"""
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import messages_extends
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from django.db import models
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from django.utils.encoding import force_str
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from django.contrib.messages import utils
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from django.conf import settings
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LEVEL_TAGS = utils.get_level_tags()
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class Message(models.Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True,
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on_delete=models.CASCADE)
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message = models.TextField()
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LEVEL_CHOICES = (
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(messages_extends.DEBUG_PERSISTENT, 'PERSISTENT DEBUG'),
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(messages_extends.INFO_PERSISTENT, 'PERSISTENT INFO'),
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(messages_extends.SUCCESS_PERSISTENT, 'PERSISTENT SUCCESS'),
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(messages_extends.WARNING_PERSISTENT, 'PERSISTENT WARNING'),
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(messages_extends.ERROR_PERSISTENT, 'PERSISTENT ERROR'),
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)
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level = models.IntegerField(choices=LEVEL_CHOICES)
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extra_tags = models.CharField(max_length=128)
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created = models.DateTimeField(auto_now_add=True)
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modified = models.DateTimeField(auto_now=True)
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read = models.BooleanField(default=False)
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expires = models.DateTimeField(null=True, blank=True)
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def __eq__(self, other):
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return isinstance(other, Message) and self.level == other.level and\
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self.message == other.message
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__hash__ = models.Model.__hash__
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def __str__(self):
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return force_str(self.message)
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def _prepare_message(self):
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"""
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Prepares the message for saving by forcing the ``message``
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and ``extra_tags`` and ``subject`` to unicode in case they are lazy translations.
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Known "safe" types (None, int, etc.) are not converted (see Django's
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``force_str`` implementation for details).
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"""
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self.message = force_str(self.message, strings_only=True)
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self.extra_tags = force_str(self.extra_tags, strings_only=True)
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def save(self, *args, **kwargs):
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self._prepare_message()
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super(Message, self).save(*args, **kwargs)
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def _get_tags(self):
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label_tag = force_str(LEVEL_TAGS.get(self.level, ''),
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strings_only=True)
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extra_tags = force_str(self.extra_tags, strings_only=True)
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if self.read:
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read_tag = "read"
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else:
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read_tag = "unread"
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if extra_tags and label_tag:
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return u' '.join([extra_tags, label_tag, read_tag])
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elif extra_tags:
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return u' '.join([extra_tags, read_tag])
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elif label_tag:
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return u' '.join([label_tag, read_tag])
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return read_tag
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tags = property(_get_tags)
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