121 lines
4.3 KiB
Python
121 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division, with_statement
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import re
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from django.db import models, transaction
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from django.contrib.auth.models import User, Group
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from django.db.models import Q
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from django.conf import settings
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import ox
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from ox.django import fields
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import managers
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from annotation.models import Annotation, get_matches
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from item.models import Item
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class Place(models.Model):
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'''
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Places are named locations, they should have geographical information attached to them.
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'''
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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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user = models.ForeignKey(User, null=True, related_name='places')
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name = models.CharField(max_length=1024)
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alternativeNames = fields.TupleField(default=[])
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name_sort = models.CharField(max_length=200)
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name_find = models.TextField(default='', editable=False)
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geoname = models.CharField(max_length=1024, unique=True)
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geoname_sort = models.CharField(max_length=1024, unique=True)
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countryCode = models.CharField(max_length=16, default='')
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wikipediaId = models.CharField(max_length=1000, blank=True)
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type = models.CharField(max_length=1000, default='')
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south = models.FloatField(default=0)
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west = models.FloatField(default=0)
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north = models.FloatField(default=0)
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east = models.FloatField(default=0)
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lat = models.FloatField(default=0)
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lng = models.FloatField(default=0)
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area = models.FloatField(default=0)
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matches = models.IntegerField(default=0)
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items = models.ManyToManyField(Item, blank=True, related_name='places')
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annotations = models.ManyToManyField(Annotation, blank=True, related_name='places')
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objects = managers.PlaceManager()
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class Meta:
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ordering = ('name_sort', )
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def __unicode__(self):
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return self.name
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def editable(self, user):
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if user and not user.is_anonymous() \
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and (self.user == user or user.get_profile().capability('canEditPlaces')):
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return True
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return False
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def get_id(self):
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return ox.toAZ(self.id)
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def json(self, keys=None, user=None):
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j = {
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'id': self.get_id(),
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'user': self.user.username,
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'editable': self.editable(user)
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}
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for key in ('created', 'modified',
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'name', 'alternativeNames', 'geoname', 'countryCode',
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'south', 'west', 'north', 'east',
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'lat', 'lng', 'area', 'matches', 'type'):
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if not keys or key in keys:
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j[key] = getattr(self, key)
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return j
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def get_matches(self):
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return get_matches(self, Place, 'place')
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@transaction.commit_on_success
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def update_matches(self):
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matches = self.get_matches()
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numberofmatches = matches.count()
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for i in self.annotations.exclude(id__in=matches):
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self.annotations.remove(i)
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for i in matches.exclude(id__in=self.annotations.all()):
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#need to check again since editEvent might have been called again
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if self.annotations.filter(id=i.id).count() == 0:
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self.annotations.add(i)
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ids = list(set([a.item.id for a in matches]))
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for i in self.items.exclude(id__in=ids):
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self.items.remove(i)
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for i in Item.objects.filter(id__in=ids).exclude(id__in=self.items.all()):
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if self.items.filter(id=i.id).count() == 0:
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self.items.add(i)
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if self.matches != numberofmatches:
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if numberofmatches:
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Place.objects.filter(id=self.id).update(matches=numberofmatches)
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else:
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self.matches = numberofmatches
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self.save()
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def save(self, *args, **kwargs):
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if not self.name_sort:
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self.name_sort = self.name #', '.join(self.name)
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self.geoname_sort = ', '.join(reversed(self.geoname.split(', ')))
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self.name_find = '|%s|'%'|'.join([self.name]+list(self.alternativeNames))
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#update center
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#self.lat = ox.location.center(self.south, self.north)
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#self.lng = ox.location.center(self.east, self.west)
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#update area
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#self.area= ox.location.area(self.south, self.west, self.north, self.east)
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super(Place, self).save(*args, **kwargs)
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