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from django.db import models
from django.conf import settings
import os
###########################################################
# These will allow browsing and editing of the survex data
###########################################################
# Needs to add:
# Equates
# reloading
class SurvexDirectory(models.Model):
path = models.CharField(max_length=200)
cave = models.ForeignKey('Cave', blank=True, null=True)
primarysurvexfile = models.ForeignKey('SurvexFile', related_name='primarysurvexfile', blank=True, null=True)
# could also include files in directory but not referenced
class Meta:
ordering = ('id',)
class SurvexFile(models.Model):
path = models.CharField(max_length=200)
survexdirectory = models.ForeignKey("SurvexDirectory", blank=True, null=True)
cave = models.ForeignKey('Cave', blank=True, null=True)
class Meta:
ordering = ('id',)
def exists(self):
fname = os.path.join(settings.SURVEX_DATA, self.path + ".svx")
return os.path.isfile(fname)
def OpenFile(self):
fname = os.path.join(settings.SURVEX_DATA, self.path + ".svx")
return open(fname)
def SetDirectory(self):
dirpath = os.path.split(self.path)[0]
survexdirectorylist = SurvexDirectory.objects.filter(cave=self.cave, path=dirpath)
if survexdirectorylist:
self.survexdirectory = survexdirectorylist[0]
else:
survexdirectory = SurvexDirectory(path=dirpath, cave=self.cave, primarysurvexfile=self)
survexdirectory.save()
self.survexdirectory = survexdirectory
self.save()
#
# Single SurvexBlock
#
class SurvexBlock(models.Model):
name = models.CharField(max_length=100)
parent = models.ForeignKey('SurvexBlock', blank=True, null=True)
text = models.TextField()
cave = models.ForeignKey('Cave', blank=True, null=True)
date = models.DateField(blank=True, null=True)
expedition = models.ForeignKey('Expedition', blank=True, null=True)
survexfile = models.ForeignKey("SurvexFile", blank=True, null=True)
begin_char = models.IntegerField() # code for where in the survex data files this block sits
survexpath = models.CharField(max_length=200) # the path for the survex stations
refscandir = models.CharField(max_length=100)
class Meta:
ordering = ('id',)
def __unicode__(self):
return self.name and unicode(self.name) or 'no name'
def GetPersonroles(self):
res = [ ]
for personrole in self.personrole_set.order_by('personexpedition'):
if res and res[-1]['person'] == personrole.personexpedition.person:
res[-1]['roles'] += ", " + str(personrole.role)
else:
res.append({'person':personrole.personexpedition.person, 'expeditionyear':personrole.personexpedition.expedition.year, 'roles':str(personrole.role)})
return res
class SurvexTitle(models.Model):
survexblock = models.ForeignKey('SurvexBlock')
title = models.CharField(max_length=200)
cave = models.ForeignKey('Cave', blank=True, null=True)
#
# member of a SurvexBlock
#
class PersonRole(models.Model):
survex_block = models.ForeignKey('SurvexBlock')
ROLE_CHOICES = (
('insts','Instruments'),
('dog','Other'),
('notes','Notes'),
('pics','Pictures'),
('tape','Tape measure'),
('useless','Useless'),
('helper','Helper'),
('disto','Disto'),
('consultant','Consultant'),
)
nrole = models.CharField(choices=ROLE_CHOICES, max_length=200, blank=True, null=True)
# increasing levels of precision
personname = models.CharField(max_length=100)
person = models.ForeignKey('Person', blank=True, null=True)
personexpedition = models.ForeignKey('PersonExpedition', blank=True, null=True)
persontrip = models.ForeignKey('PersonTrip', blank=True, null=True)
def __unicode__(self):
return unicode(self.person) + " - " + unicode(self.survex_block) + " - " + unicode(self.nrole)
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