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from django.db import models
class Area(models.Model):
short_name = models.CharField(max_length=100)
name = models.CharField(max_length=200, blank=True, null=True)
description = models.TextField(blank=True,null=True)
parent = models.ForeignKey('Area', blank=True, null=True)
def __unicode__(self):
if self.parent:
return unicode(self.parent) + u" - " + unicode(self.short_name)
else:
return unicode(self.short_name)
def kat_area(self):
if self.short_name in ["1623", "1626"]:
return self.short_name
elif self.parent:
return self.parent.kat_area()
class CaveAndEntrance(models.Model):
cave = models.ForeignKey('Cave')
entrance = models.ForeignKey('Entrance')
entrance_letter = models.CharField(max_length=20,blank=True,null=True)
def __unicode__(self):
return unicode(self.cave) + unicode(self.entrance_letter)
class Cave(models.Model):
official_name = models.CharField(max_length=160)
area = models.ManyToManyField(Area, blank=True, null=True)
kataster_code = models.CharField(max_length=20,blank=True,null=True)
kataster_number = models.CharField(max_length=10,blank=True, null=True)
unofficial_number = models.CharField(max_length=30,blank=True, null=True)
entrances = models.ManyToManyField('Entrance', through='CaveAndEntrance')
explorers = models.TextField(blank=True,null=True)
underground_description = models.TextField(blank=True,null=True)
equipment = models.TextField(blank=True,null=True)
references = models.TextField(blank=True,null=True)
survey = models.TextField(blank=True,null=True)
kataster_status = models.TextField(blank=True,null=True)
underground_centre_line = models.TextField(blank=True,null=True)
notes = models.TextField(blank=True,null=True)
length = models.CharField(max_length=40,blank=True,null=True)
depth = models.CharField(max_length=40,blank=True,null=True)
extent = models.CharField(max_length=40,blank=True,null=True)
survex_file = models.CharField(max_length=100,blank=True,null=True)
def __unicode__(self):
if self.kataster_number:
if self.kat_area():
return self.kat_area() + u": " + self.kataster_number
else:
return unicode(l) + u": " + self.kataster_number
else:
if self.kat_area():
return self.kat_area() + u": " + self.unofficial_number
else:
return self.unofficial_number
def kat_area(self):
for a in self.area.all():
if a.kat_area():
return a.kat_area()
def entrances(self):
return CaveAndEntrance.objects.filter(cave=self)
def entrancelist(self):
rs = []
res = ""
for e in CaveAndEntrance.objects.filter(cave=self):
rs.append(e.entrance_letter)
rs.sort()
prevR = None
n = 0
for r in rs:
if prevR:
if chr(ord(prevR) + 1 ) == r:
prevR = r
n += 1
else:
if n == 0:
res += ", " + prevR
else:
res += "–" + prevR
else:
prevR = r
n = 0
res += r
if n == 0:
res += ", " + prevR
else:
res += "–" + prevR
return res
class OtherCaveName(models.Model):
name = models.CharField(max_length=160)
cave = models.ForeignKey(Cave)
def __unicode__(self):
return unicode(self.name)
class SurveyStation(models.Model):
name = models.CharField(max_length=200)
def __unicode__(self):
return unicode(self.name)
class Entrance(models.Model):
name = models.CharField(max_length=60, blank=True,null=True)
entrance_description = models.TextField(blank=True,null=True)
explorers = models.TextField(blank=True,null=True)
map_description = models.TextField(blank=True,null=True)
location_description = models.TextField(blank=True,null=True)
approach = models.TextField(blank=True,null=True)
underground_description = models.TextField(blank=True,null=True)
photo = models.TextField(blank=True,null=True)
MARKING_CHOICES = (
('P', 'Paint'),
('P?', 'Paint (?)'),
('T', 'Tag'),
('T?', 'Tag (?)'),
('R', 'Retagged'),
('S', 'Spit'),
('S?', 'Spit (?)'),
('U', 'Unmarked'),
('?', 'Unknown'))
marking = models.CharField(max_length=2, choices=MARKING_CHOICES)
marking_comment = models.TextField(blank=True,null=True)
FINDABLE_CHOICES = (
('?', 'To be confirmed ...'),
('S', 'Surveyed'),
('L', 'Lost'),
('R', 'Refindable'))
findability = models.CharField(max_length=1, choices=FINDABLE_CHOICES, blank=True, null=True)
findability_description = models.TextField(blank=True,null=True)
alt = models.TextField(blank=True, null=True)
northing = models.TextField(blank=True, null=True)
easting = models.TextField(blank=True, null=True)
tag_station = models.ForeignKey(SurveyStation, blank=True,null=True, related_name="tag_station")
exact_station = models.ForeignKey(SurveyStation, blank=True,null=True, related_name="exact_station")
other_station = models.ForeignKey(SurveyStation, blank=True,null=True, related_name="other_station")
other_description = models.TextField(blank=True,null=True)
bearings = models.TextField(blank=True,null=True)
def __unicode__(self):
a = CaveAndEntrance.objects.filter(entrance = self)
name = u''
if self.name:
name = unicode(self.name) + u' '
if len(a) == 1:
return name + unicode(a[0])
return name + unicode(a)
def marking_val(self):
for m in self.MARKING_CHOICES:
if m[0] == self.marking:
return m[1]
def findability_val(self):
for f in self.FINDABLE_CHOICES:
if f[0] == self.findability:
return f[1]
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