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import datetime
from django.template.defaultfilters import slugify
from django.contrib.gis.db import models
from django.contrib.auth.models import User
from django.utils import timezone
from locations.models import Location
def get_upload_path(self, filename):
return "images/bird-images/%s/%s" % (datetime.datetime.today().strftime("%Y"), filename)
# from http://aba.org/checklist/codes.html
ABA_CODES = (
(1, 'regular occurring - common'),
(2, 'regular occurring - less common'),
(3, 'rare'),
(4, 'casual'),
(5, 'accidental'),
(6, 'Cannot be found'),
)
class BirdClass(models.Model):
common_name = models.CharField(max_length=200)
scientific_name = models.CharField(max_length=200)
class Meta:
verbose_name_plural = 'Bird Class'
ordering = ["common_name",]
def __str__(self):
return self.common_name
class Bird(models.Model):
common_name = models.CharField(max_length=200)
slug = models.SlugField()
scientific_name = models.CharField(max_length=200)
code = models.IntegerField(choices=ABA_CODES, default=0)
bird_class = models.ForeignKey(BirdClass)
image = models.FileField(upload_to=get_upload_path, null=True, blank=True)
def __str__(self):
return self.common_name
def get_absolute_url(self):
return "/birds/%s" %(self.slug)
class Meta:
ordering = ["common_name",]
def save(self):
self.slug = slugify(self.common_name[:50])
super(Bird, self).save()
class BirdAudio(models.Model):
bird = models.ForeignKey(Bird, related_name='recordings')
audio = models.FileField(upload_to='audio/birds/')
recorder = models.CharField(max_length=200, null=True, blank=True)
pub_date = models.DateTimeField()
location = models.CharField(max_length=200, null=True, blank=True)
link = models.CharField(max_length=450, null=True, blank=True)
copyright = models.CharField(max_length=250, null=True, blank=True)
class Meta:
verbose_name_plural = 'Bird Audio'
ordering = ["bird",]
def __str__(self):
return self.bird.common_name
class BirdSighting(models.Model):
bird = models.ForeignKey(Bird)
point = models.PointField()
location = models.ForeignKey(Location, blank=True)
date = models.DateTimeField('Date', default=timezone.now)
image = models.FileField(upload_to=get_upload_path, null=True, blank=True)
seen_by = models.ManyToManyField(User)
class Meta:
verbose_name_plural = 'Bird Sighting'
@property
def state(self):
return self.location.state
@property
def country(self):
return self.location.state.country
@property
def region(self):
return self.location.state.country.lux_region
@property
def longitude(self):
'''Get the site's longitude.'''
return self.point.x
@property
def latitude(self):
'''Get the site's latitude.'''
return self.point.y
def __str__(self):
return self.bird.common_name
def save(self):
try:
self.location = Location.objects.filter(geometry__contains=self.point).get()
except Location.DoesNotExist:
raise forms.ValidationError("There is no location associated with that point, add it: %sadmin/locations/location/add/" % (settings.BASE_URL))
super(BirdSighting, self).save()
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