2015-09-24 18:31:03 +02:00
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# -*- coding: utf-8 -*-
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"""
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Copyright 2015 Grégory Soutadé
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This file is part of Dénote.
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Dénote is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Dénote is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Dénote. If not, see <http://www.gnu.org/licenses/>.
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"""
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from datetime import datetime
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import re
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from django.db import models
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from django.contrib.auth.models import AbstractUser
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from django.http import HttpResponse
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2016-01-17 18:48:14 +01:00
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from django.db.models.signals import pre_init, post_init, pre_delete, post_delete
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from django.db.models.signals import pre_save, post_save
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from django.dispatch import receiver
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2015-09-24 18:31:03 +02:00
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import markdown2
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2016-01-18 11:36:19 +01:00
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from search import Search
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2015-09-24 18:31:03 +02:00
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class User(AbstractUser):
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hidden_categories = models.TextField(blank=True)
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def getPreference(self, name):
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if name == 'hidden_categories':
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return HttpResponse('{"hidden_categories" : [' + self.hidden_categories + ']}', 'application/json')
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else:
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raise Http404
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def setPreference(self, name, value):
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if name == 'hidden_categories':
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categories = []
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for c in value.split(','):
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if c == '-1' or \
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(c and Category.objects.filter(id=c).exists()):
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categories.append(c)
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self.hidden_categories = ','.join(categories)
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self.save()
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return HttpResponse('')
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else:
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raise Http404
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class Category(models.Model):
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author = models.ForeignKey(User, null=True, on_delete=models.CASCADE)
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name = models.CharField(max_length=50, unique=True, blank=False)
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class Note(models.Model):
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author = models.ForeignKey(User, null=False, on_delete=models.CASCADE)
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title = models.CharField(max_length=100, blank=False)
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long_summary = models.CharField(max_length=255)
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short_summary = models.CharField(max_length=255)
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text = models.TextField(blank=False)
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transformed_text = models.TextField()
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created_date = models.DateTimeField()
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modified_date = models.DateTimeField()
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visibility = models.IntegerField(default=0)
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category = models.ForeignKey(Category, null=True, on_delete=models.SET_NULL)
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def _wrap(self, text, limit, max_limit):
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if len(text) < limit: return text
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lower_limit = upper_limit = limit
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while text[lower_limit-1] != ' ' and\
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lower_limit > 1:
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lower_limit -= 1
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while text[upper_limit-1] != ' ' and\
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upper_limit < len(text):
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upper_limit += 1
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lower = limit - lower_limit
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upper = upper_limit - limit
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if lower > max_limit and upper > max_limit:
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cur_limit = limit + max_limit
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else:
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if lower < upper:
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cur_limit = limit - lower
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else:
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cur_limit = limit + upper
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if cur_limit and text[cur_limit-1] == ' ':
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cur_limit -= 1
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return text[:cur_limit] + '...'
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def _summarize(self):
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# Remove markup
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self.long_summary = re.sub(r'<[^>]+>', '', self.transformed_text)
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self.long_summary = re.sub(r'&[^;]+;', '', self.long_summary)
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# Remove return
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self.long_summary = re.sub(r'\n', ' ', self.long_summary)
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self.long_summary = re.sub(r'\r', ' ', self.long_summary)
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# Remove duplicated spaces
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self.long_summary = re.sub(r' [ ]+', ' ', self.long_summary)
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self.long_summary = self.long_summary.strip()
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self.short_summary = self.long_summary[:]
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self.long_summary = self._wrap(self.long_summary, 100, 5)
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self.short_summary = self._wrap(self.short_summary, 30, 5)
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def save(self):
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self.modified_date = datetime.now()
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self.transformed_text = markdown2.markdown(self.text, extras=['fenced-code-blocks'])
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self._summarize()
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2016-01-17 18:48:14 +01:00
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s = Search()
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2015-09-24 18:31:03 +02:00
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super(Note, self).save()
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2016-01-17 18:48:14 +01:00
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@receiver(post_save, sender=Note)
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def post_save_note_signal(sender, **kwargs):
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s = Search()
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s.edit_note(kwargs['instance'].id)
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@receiver(pre_delete, sender=Note)
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def pre_delete_note_signal(sender, **kwargs):
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s = Search()
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2016-01-26 19:31:32 +01:00
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s.delete_note(kwargs['instance'].id)
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2016-01-17 18:48:14 +01:00
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2015-09-24 18:31:03 +02:00
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def manage_category(user, cat_name):
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category = None
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if cat_name:
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category = Category.objects.filter(name=cat_name)
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# Create a new one
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if not category:
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if len(cat_name) > 50: cat_name = cat_name[:50]
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category = Category(author=user, name=cat_name)
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category.save()
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else:
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category = category[0]
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return category
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