mirror of
https://expo.survex.com/repositories/troggle/.git
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233 lines
9.0 KiB
Python
233 lines
9.0 KiB
Python
import string
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import os
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import datetime
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import re
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import resource
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from subprocess import call
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from urllib.parse import urljoin
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from decimal import Decimal, getcontext
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getcontext().prec=2 #use 2 significant figures for decimal calculations
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import settings
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from django.db import models
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from django.contrib import admin
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from django.contrib.auth.models import User
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from django.contrib.contenttypes.models import ContentType
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from django.conf import settings
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from django.urls import reverse
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from django.template import Context, loader
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from django.core.files.storage import FileSystemStorage
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import troggle.core.models.survex
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from troggle.core.utils import get_process_memory
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"""This file declares TroggleModel which inherits from django.db.models.Model
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All TroggleModel and models.Model subclasses inherit persistence in the django relational database. This is known as
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the django Object Relational Mapping (ORM).
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There are more subclasses define in models_caves.py models_survex.py etc.
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"""
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#This class is for adding fields and methods which all of our models will have.
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class TroggleModel(models.Model):
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new_since_parsing = models.BooleanField(default=False, editable=False)
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non_public = models.BooleanField(default=False)
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def object_name(self):
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return self._meta.object_name
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def get_admin_url(self):
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return urljoin(settings.URL_ROOT, "/admin/core/" + self.object_name().lower() + "/" + str(self.pk))
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class Meta:
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abstract = True
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class DataIssue(TroggleModel):
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"""When importing cave data any validation problems produce a message which is
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recorded as a DataIssue. The django admin system automatically prodiuces a page listing
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these at /admin/core/dataissue/
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This is a use of the NOTIFICATION pattern:
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https://martinfowler.com/eaaDev/Notification.html
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We have replaced all assertions in the code with messages and local fix-ups or skips:
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https://martinfowler.com/articles/replaceThrowWithNotification.html
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"""
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date = models.DateTimeField(auto_now_add=True, blank=True)
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parser = models.CharField(max_length=50, blank=True, null=True)
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message = models.CharField(max_length=800, blank=True, null=True)
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url = models.CharField(max_length=300, blank=True, null=True) # link to offending object
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class Meta:
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ordering = ['date']
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def __str__(self):
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return f"{self.parser} - {self.message}"
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#
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# single Expedition, usually seen by year
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#
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class Expedition(TroggleModel):
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year = models.CharField(max_length=20, unique=True)
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name = models.CharField(max_length=100)
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logbookfile = models.CharField(max_length=100, blank=True, null=True)
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def __str__(self):
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return self.year
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class Meta:
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ordering = ('-year',)
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get_latest_by = 'year'
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def get_absolute_url(self):
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return urljoin(settings.URL_ROOT, reverse('expedition', args=[self.year]))
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# construction function. should be moved out
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def get_expedition_day(self, date):
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expeditiondays = self.expeditionday_set.filter(date=date)
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if expeditiondays:
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if len(expeditiondays) == 1:
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return expeditiondays[0]
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else:
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message =f'! - more than one datum in an expeditionday: {date}'
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DataIssue.objects.create(parser='expedition', message=message)
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return expeditiondays[0]
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res = ExpeditionDay(expedition=self, date=date)
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res.save()
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return res
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def day_min(self):
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res = self.expeditionday_set.all()
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return res and res[0] or None
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def day_max(self):
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res = self.expeditionday_set.all()
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return res and res[len(res) - 1] or None
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class ExpeditionDay(TroggleModel):
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expedition = models.ForeignKey("Expedition",on_delete=models.CASCADE)
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date = models.DateField()
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class Meta:
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ordering = ('date',)
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def GetPersonTrip(self, personexpedition):
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personexpeditions = self.persontrip_set.filter(expeditionday=self)
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return personexpeditions and personexpeditions[0] or None
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class Person(TroggleModel):
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"""single Person, can go on many years
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"""
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first_name = models.CharField(max_length=100)
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last_name = models.CharField(max_length=100)
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fullname = models.CharField(max_length=200)
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nickname = models.CharField(max_length=200)
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is_vfho = models.BooleanField(help_text="VFHO is the Vereines für Höhlenkunde in Obersteier, a nearby Austrian caving club.", default=False)
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mug_shot = models.CharField(max_length=100, blank=True,null=True)
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blurb = models.TextField(blank=True,null=True)
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#href = models.CharField(max_length=200)
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orderref = models.CharField(max_length=200) # for alphabetic
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user = models.OneToOneField(User, null=True, blank=True,on_delete=models.CASCADE) # not used now
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def get_absolute_url(self):
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return urljoin(settings.URL_ROOT,reverse('person',kwargs={'first_name':self.first_name,'last_name':self.last_name}))
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class Meta:
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verbose_name_plural = "People"
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ordering = ('orderref',) # "Wookey" makes too complex for: ('last_name', 'first_name')
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def __str__(self):
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if self.last_name:
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return f"{self.first_name} {self.last_name}"
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return self.first_name
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def notability(self):
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notability = Decimal(0)
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max_expo_val = 0
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max_expo_year = Expedition.objects.all().aggregate(models.Max('year'))
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max_expo_val = int(max_expo_year['year__max']) + 1
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for personexpedition in self.personexpedition_set.all():
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if not personexpedition.is_guest:
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notability += Decimal(1) / (max_expo_val - int(personexpedition.expedition.year))
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return notability
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def bisnotable(self):
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return self.notability() > Decimal(1)/Decimal(3)
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def surveyedleglength(self):
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return sum([personexpedition.surveyedleglength() for personexpedition in self.personexpedition_set.all()])
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def first(self):
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return self.personexpedition_set.order_by('-expedition')[0]
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def last(self):
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return self.personexpedition_set.order_by('expedition')[0]
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class PersonExpedition(TroggleModel):
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"""Person's attendance to one Expo
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"""
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expedition = models.ForeignKey(Expedition,on_delete=models.CASCADE)
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person = models.ForeignKey(Person,on_delete=models.CASCADE)
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slugfield = models.SlugField(max_length=50,blank=True, null=True) # 2022 to be used in future
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is_guest = models.BooleanField(default=False)
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COMMITTEE_CHOICES = (
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('leader','Expo leader'),
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('medical','Expo medical officer'),
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('treasurer','Expo treasurer'),
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('sponsorship','Expo sponsorship coordinator'),
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('research','Expo research coordinator'),
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)
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expo_committee_position = models.CharField(blank=True,null=True,choices=COMMITTEE_CHOICES,max_length=200)
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nickname = models.CharField(max_length=100,blank=True, null=True)
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def GetPersonroles(self):
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'''To do: excise the 'role' bit of this while retaining personrole
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which is used in some later logic
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But apparently never used !?
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'''
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res = [ ]
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for personrole in self.personrole_set.order_by('survexblock'):
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res.append({'date':personrole.survexblock.date, 'survexpath':personrole.survexblock.survexpath})
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# if res and res[-1]['survexpath'] == personrole.survexblock.survexpath:
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# res[-1]['roles'] += ", " + str(personrole.role)
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# else:
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# res.append({'date':personrole.survexblock.date, 'survexpath':personrole.survexblock.survexpath, 'roles':str(personrole.role)})
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return res
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class Meta:
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ordering = ('-expedition',)
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#order_with_respect_to = 'expedition'
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def __str__(self):
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return f"{self.person}: ({self.expedition})"
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#why is the below a function in personexpedition, rather than in person? - AC 14 Feb 09
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def name(self):
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if self.nickname:
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return f"{self.person.first_name} ({self.nickname}) {self.person.last_name}"
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if self.person.last_name:
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return f"{self.person.first_name} {self.person.last_name}"
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return self.person.first_name
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def get_absolute_url(self):
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return urljoin(settings.URL_ROOT, reverse('personexpedition',kwargs={'first_name':self.person.first_name,'last_name':self.person.last_name,'year':self.expedition.year}))
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def surveyedleglength(self):
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survexblocks = [personrole.survexblock for personrole in self.survexpersonrole_set.all() ]
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return sum([survexblock.legslength for survexblock in set(survexblocks)])
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# would prefer to return actual person trips so we could link to first and last ones
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def day_min(self):
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res = self.persontrip_set.aggregate(day_min=Min("expeditionday__date"))
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return res["day_min"]
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def day_max(self):
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res = self.persontrip_set.all().aggregate(day_max=models.Max("expeditionday__date"))
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return res["day_max"]
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