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troggle/core/models/survex.py
2021-05-05 00:35:10 +01:00

204 lines
8.0 KiB
Python

import os
from urllib.parse import urljoin
import re
from django.db import models
from django.conf import settings
from django.urls import reverse
class SurvexDirectory(models.Model):
path = models.CharField(max_length=200)
cave = models.ForeignKey('Cave', blank=True, null=True,on_delete=models.SET_NULL)
primarysurvexfile = models.ForeignKey('SurvexFile', related_name='primarysurvexfile', blank=True, null=True,on_delete=models.SET_NULL)
# could also include files in directory but not referenced
class Meta:
ordering = ('id',)
verbose_name_plural = "Survex directories"
def __str__(self):
return "[SurvexDirectory:"+str(self.path) + "-" + str(self.primarysurvexfile.path) + "-" + str(self.cave)+"]"
class SurvexFile(models.Model):
path = models.CharField(max_length=200)
survexdirectory = models.ForeignKey("SurvexDirectory", blank=True, null=True,on_delete=models.SET_NULL)
cave = models.ForeignKey('Cave', blank=True, null=True,on_delete=models.SET_NULL)
class Meta:
ordering = ('id',)
# Don't change from the default as that breaks troggle webpages and internal referencing!
# def __str__(self):
# return "[SurvexFile:"+str(self.path) + "-" + str(self.survexdirectory) + "-" + str(self.cave)+"]"
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]
# pointless search every time we import a survex file if we know there are no duplicates..
# don't use this for initial import.
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()
def __str__(self):
return self.path
class SurvexStationLookUpManager(models.Manager):
def lookup(self, name):
blocknames, sep, stationname = name.rpartition(".")
return self.get(block = SurvexBlock.objects.lookup(blocknames),
name__iexact = stationname)
class SurvexStation(models.Model):
name = models.CharField(max_length=100)
block = models.ForeignKey('SurvexBlock', null=True,on_delete=models.SET_NULL)
# equate = models.ForeignKey('SurvexEquate', blank=True, null=True,on_delete=models.SET_NULL)
objects = SurvexStationLookUpManager()
x = models.FloatField(blank=True, null=True)
y = models.FloatField(blank=True, null=True)
z = models.FloatField(blank=True, null=True)
def path(self):
r = self.name
b = self.block
while True:
if b.name:
r = b.name + "." + r
if b.parent:
b = b.parent
else:
return r
class Meta:
ordering = ('id',)
def __str__(self):
return self.name and str(self.name) or 'no name'
#
# Single SurvexBlock
#
class SurvexBlockLookUpManager(models.Manager):
def lookup(self, name):
if name == "":
blocknames = []
else:
blocknames = name.split(".")
block = SurvexBlock.objects.get(parent=None, survexfile__path=settings.SURVEX_TOPNAME)
for blockname in blocknames:
block = SurvexBlock.objects.get(parent=block, name__iexact=blockname)
return block
class SurvexBlock(models.Model):
objects = SurvexBlockLookUpManager()
name = models.CharField(max_length=100)
title = models.CharField(max_length=200)
parent = models.ForeignKey('SurvexBlock', blank=True, null=True,on_delete=models.SET_NULL)
cave = models.ForeignKey('Cave', blank=True, null=True,on_delete=models.SET_NULL)
date = models.DateField(blank=True, null=True)
expeditionday = models.ForeignKey("ExpeditionDay", null=True,on_delete=models.SET_NULL)
expedition = models.ForeignKey('Expedition', blank=True, null=True,on_delete=models.SET_NULL)
survexfile = models.ForeignKey("SurvexFile", blank=True, null=True,on_delete=models.SET_NULL)
survexpath = models.CharField(max_length=200) # the path for the survex stations
scanswallet = models.ForeignKey("Wallet", null=True,on_delete=models.SET_NULL)
legsall = models.IntegerField(null=True) # summary data for this block
legslength = models.FloatField(null=True)
class Meta:
ordering = ('id',)
def __str__(self):
return "[SurvexBlock:"+ str(self.name) + "-path:" + \
str(self.survexpath) + "-cave:" + \
str(self.cave) + "]"
def __str__(self):
return self.name and str(self.name) or 'no name'
def isSurvexBlock(self): # Function used in templates
return True
def GetPersonroles(self):
'''
But apparently never used !?
'''
res = [ ]
for personrole in self.survexpersonrole_set.order_by('personexpedition'):
res.append({'person':personrole.personexpedition.person, 'expeditionyear':personrole.personexpedition.expedition.year})
return res
def DayIndex(self):
return list(self.expeditionday.survexblock_set.all()).index(self)
class SurvexPersonRole(models.Model):
survexblock = models.ForeignKey('SurvexBlock',on_delete=models.CASCADE)
# increasing levels of precision
personname = models.CharField(max_length=100)
person = models.ForeignKey('Person', blank=True, null=True,on_delete=models.SET_NULL)
personexpedition = models.ForeignKey('PersonExpedition', blank=True, null=True,on_delete=models.SET_NULL)
persontrip = models.ForeignKey('PersonTrip', blank=True, null=True,on_delete=models.SET_NULL)
expeditionday = models.ForeignKey("ExpeditionDay", null=True,on_delete=models.SET_NULL)
def __str__(self):
return str(self.person) + " - " + str(self.survexblock)
class Wallet(models.Model):
fpath = models.CharField(max_length=200)
walletname = models.CharField(max_length=200)
class Meta:
ordering = ('walletname',)
def get_absolute_url(self):
return urljoin(settings.URL_ROOT, reverse('singlewallet', kwargs={"path":re.sub("#", "%23", self.walletname)}))
def __str__(self):
return str(self.walletname) + " (Wallet)"
class SingleScan(models.Model):
ffile = models.CharField(max_length=200)
name = models.CharField(max_length=200)
wallet = models.ForeignKey("Wallet", null=True,on_delete=models.SET_NULL)
class Meta:
ordering = ('name',)
def get_absolute_url(self):
return urljoin(settings.URL_ROOT, reverse('scansingle', kwargs={"path":re.sub("#", "%23", self.wallet.walletname), "file":self.name}))
def __str__(self):
return "Survey Scan Image: " + str(self.name) + " in " + str(self.wallet)
class DrawingFile(models.Model):
dwgpath = models.CharField(max_length=200)
dwgname = models.CharField(max_length=200)
manywallets = models.ManyToManyField("Wallet") # implicitly links via folders to scans to SVX files
scans = models.ManyToManyField("SingleScan") # implicitly links via scans to SVX files
dwgcontains = models.ManyToManyField("DrawingFile") # case when its a frame type
filesize = models.IntegerField(default=0)
npaths = models.IntegerField(default=0)
survexfiles = models.ManyToManyField("SurvexFile") # direct link to SVX files - not populated yet
class Meta:
ordering = ('dwgpath',)
def __str__(self):
return "Drawing File: " + str(self.dwgname) + " (" + str(self.filesize) + " bytes)"