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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:
# SurvexFile
# Equates
# reloading
#
# Single SurvexBlock
#
class SurvexBlock(models.Model):
name = models.CharField(max_length=100, blank=True, null=True)
parent = models.ForeignKey('SurvexBlock', blank=True, null=True)
text = models.TextField()
# non-useful representation of incomplete data
start_year = models.IntegerField(blank=True, null=True)
start_month = models.IntegerField(blank=True, null=True)
start_day = models.IntegerField(blank=True, null=True)
end_year = models.IntegerField(blank=True, null=True)
end_month = models.IntegerField(blank=True, null=True)
end_day = models.IntegerField(blank=True, null=True)
date = models.DateField(blank=True, null=True)
survexpath = models.CharField(max_length=100)
# superfluous
person = models.ManyToManyField('Person', through='PersonRole', blank=True, null=True)
# code for where in the survex data files this block sits
begin_file = models.CharField(max_length=200)
begin_char = models.IntegerField()
end_file = models.CharField(max_length=200, blank=True, null=True)
end_char = models.IntegerField(blank=True, null=True)
class Meta:
ordering = ('date', 'survexpath')
def __unicode__(self):
return self.name and unicode(self.name) or 'no name'
def filewithoutsvx(self):
return self.begin_file[:-4]
def filecontents(self):
f = os.path.join(settings.SURVEX_DATA, self.begin_file)
fin = open(f, "rb")
res = fin.read().decode("latin1")
fin.close()
return res
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
#
# Replace this with a choice string in PersonRole
#
class Role(models.Model):
name = models.CharField(max_length=50)
def __unicode__(self):
return unicode(self.name)
#
# member of a SurvexBlock
#
class PersonRole(models.Model):
survex_block = models.ForeignKey('SurvexBlock')
role = models.ForeignKey('Role') # to go
ROLE_CHOICES = (
('insts','Instruments'),
('dog','Other'),
('notes','Notes'),
('pics','Pictures'),
('tape','Tape measure'),
)
nrole = models.CharField(choices=ROLE_CHOICES, max_length=200, blank=True, null=True)
# increasing levels of precision
person = models.ForeignKey('Person')
personexpedition = models.ForeignKey('PersonExpedition')
persontrip = models.ForeignKey('PersonTrip', blank=True, null=True)
def __unicode__(self):
return unicode(self.person) + " - " + unicode(self.survex_block) + " - " + unicode(self.role)
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