mirror of
https://expo.survex.com/repositories/troggle/.git
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260 lines
10 KiB
Python
260 lines
10 KiB
Python
import re
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from django.db.models import Q
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from django.shortcuts import render
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from django.views.generic.list import ListView
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import troggle.settings as settings
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from troggle.core.models.logbooks import LogbookEntry, PersonLogEntry, QM
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from troggle.core.models.survex import SurvexBlock, SurvexFile
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from troggle.core.models.troggle import Expedition, Person
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from troggle.core.models.wallets import Wallet
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from troggle.core.utils import TROG, current_expo
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from troggle.parsers.imports import import_logbook
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"""These views are for logbook items when they appear in an 'expedition' page
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and for persons: their individual pages and their perseonexpedition pages.
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It uses the global object TROG to hold some cached pages.
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"""
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todo = """- Fix the get_person_chronology() display bug.
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- Fix id= value preservation on editing
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"""
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def notablepersons(request):
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def notabilitykey(person):
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return person.notability()
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persons = Person.objects.all()
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# From what I can tell, "persons" seems to be the table rows, while "pcols" is the table columns. - AC 16 Feb 09
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pcols = []
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ncols = 4
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nc = int((len(persons) + ncols - 1) / ncols)
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for i in range(ncols):
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pcols.append(persons[i * nc : (i + 1) * nc])
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notablepersons = []
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# Needed recoding because of Django CVE-2021-45116
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for person in persons:
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if person.bisnotable():
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notablepersons.append(person)
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notablepersons.sort(key=notabilitykey, reverse=True)
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return render(
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request, "notablepersons.html", {"persons": persons, "pcols": pcols, "notablepersons": notablepersons}
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)
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def expedition(request, expeditionname):
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"""Returns a rendered page for one expedition, specified by the year e.g. '2019'.
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If page caching is enabled, it caches the dictionaries used to render the template page.
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This is not as difficult to understand as it looks.
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Yes there are many levels of indirection, with multiple trees being traversed at the same time.
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And the Django special syntax makes this hard for normal Python programmers.
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Remember that 'personexpedition__expedition' is interpreted by Django to mean the
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'expedition' object which is connected by a foreign key to the 'personexpedition'
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object, which is a field of the PersonLogEntry object:
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PersonLogEntry.objects.filter(personexpedition__expedition=expo)
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Queries are not evaluated to hit the database until a result is actually used. Django
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does lazy evaluation.
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"""
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current = current_expo() # creates new expo after 31st Dec.
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try:
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expo = Expedition.objects.get(year=int(expeditionname))
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except:
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message = (
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"Expedition not found - database apparently empty, you probably need to do a full re-import of all data."
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)
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return render(request, "errors/generic.html", {"message": message})
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ts = TROG["pagecache"]["expedition"] # not much use unless single user!
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if request.user.is_authenticated:
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logged_in = True
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if "reload" in request.GET:
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if expeditionname in ts:
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del ts[expeditionname] # clean out cache for page
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expo.logbookentry_set.all().delete()
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import_logbook(year=expo.year)
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else:
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logged_in = False
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if settings.CACHEDPAGES:
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if expeditionname in ts:
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# print('! - expo {expeditionanme} using cached page')
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return render(request, "expedition.html", {**ts[expeditionname], "logged_in": logged_in})
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expeditions = Expedition.objects.all() # top menu only, evaluated only when template renders
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entries = expo.logbookentry_set.all()
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blocks = expo.survexblock_set.all()
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dateditems = list(entries) + list(blocks) # evaluates the Django query and hits db
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dates = sorted(set([item.date for item in dateditems]))
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allpersonlogentries = PersonLogEntry.objects.filter(personexpedition__expedition=expo)
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personexpodays = []
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for personexpedition in expo.personexpedition_set.all():
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expotrips = allpersonlogentries.filter(personexpedition=personexpedition) # lazy
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expoblocks = blocks.filter(survexpersonrole__personexpedition=personexpedition)
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prow = []
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for date in dates:
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personentries = expotrips.filter(logbook_entry__date=date) # lazy
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personblocks = set(expoblocks.filter(date=date)) # not lazy
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pcell = {}
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pcell["personentries"] = personentries
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pcell["survexblocks"] = personblocks
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if issunday := (date.weekday() == 6): # WALRUS
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pcell["sunday"] = issunday
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prow.append(pcell)
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personexpodays.append({"personexpedition": personexpedition, "personrow": prow})
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ts[expeditionname] = {
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"year": int(expeditionname),
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"expedition": expo,
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"expeditions": expeditions,
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"personexpodays": personexpodays,
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"settings": settings,
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"dateditems": dateditems,
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"dates": dates,
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}
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TROG["pagecache"]["expedition"][expeditionname] = ts[expeditionname]
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return render(request, "expedition.html", {**ts[expeditionname], "logged_in": logged_in})
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class Expeditions_tsvListView(ListView):
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"""This uses the Django built-in shortcut mechanism
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It defaults to use a template with name <app-label>/<model-name>_list.html.
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https://www.agiliq.com/blog/2017/12/when-and-how-use-django-listview/
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https://developer.mozilla.org/en-US/docs/Learn/Server-side/Django/Generic_views
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Either a queryset variable or set_queryset() function is used, but not needed
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if you want all the obejcts of a particaulr type in which case just set model = <object>
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"""
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template_name = "core/expeditions_tsv_list.html" # if not present then uses core/expedition_list.html
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# queryset = Expedition.objects.all()
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# context_object_name = 'expedition'
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model = Expedition # equivalent to .objects.all() for a queryset
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class Expeditions_jsonListView(ListView):
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template_name = "core/expeditions_json_list.html"
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model = Expedition
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class QMs_jsonListView(ListView):
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template_name = "core/QMs_json_list.html"
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model = QM
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def person(request, slug=""):
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"""Now very much simpler with an unambiguous slug
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"""
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try:
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this_person = Person.objects.get(slug=slug)
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except:
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msg = f" Person '{slug=}' not found in database. DATABASE RESET required - ask a nerd."
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print(msg)
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return render(request, "errors/generic.html", {"message": msg})
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current_year = current_expo()
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return render(request, "person.html", {"person": this_person, "year": current_year})
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def get_person_chronology(personexpedition):
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"""
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This is just a nasty convoluted way of trying the make the template do more work than it is sensible to ask it to do.
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Rewrite more simply with the login in the python, not in Django template language (you bastard Curtis).
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"""
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res = {}
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for personlogentry in personexpedition.personlogentry_set.all():
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a = res.setdefault(personlogentry.logbook_entry.date, {})
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a.setdefault("personlogentries", []).append(personlogentry)
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for personrole in personexpedition.survexpersonrole_set.all():
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if personrole.survexblock.date: # avoid bad data from another bug
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a = res.setdefault(personrole.survexblock.date, {})
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a.setdefault("personroles", []).append(personrole.survexblock)
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# build up the tables
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rdates = sorted(list(res.keys()))
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res2 = []
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for rdate in rdates:
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personlogentries = res[rdate].get("personlogentries", [])
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personroles = res[rdate].get("personroles", [])
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for n in range(max(len(personlogentries), len(personroles))):
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res2.append(
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(
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(n == 0 and rdate or "--"),
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(n < len(personlogentries) and personlogentries[n]),
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(n < len(personroles) and personroles[n]),
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)
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)
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return res2
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def personexpedition(request, slug="", year=""):
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try:
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person = Person.objects.get(slug=slug)
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this_expedition = Expedition.objects.get(year=year)
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personexpedition = person.personexpedition_set.get(expedition=this_expedition)
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personchronology = get_person_chronology(personexpedition)
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current_year = current_expo()
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return render(
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request, "personexpedition.html", {"personexpedition": personexpedition, "personchronology": personchronology, "year": current_year}
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)
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except:
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msg = f" Person '{slug=}' or year '{year=}' not found in database. Please report this to a nerd."
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print(msg)
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return render(request, "errors/generic.html", {"message": msg})
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def logbookentry(request, date, slug):
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# start = time.time()
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trips = LogbookEntry.objects.filter(date=date) # all the trips not just this one
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this_logbookentry = trips.filter(date=date, slug=slug)
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if this_logbookentry:
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if len(this_logbookentry) > 1:
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# BUG
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return render(request, "object_list.html", {"object_list": this_logbookentry})
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else:
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# https://stackoverflow.com/questions/739776/how-do-i-do-an-or-filter-in-a-django-query
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wallets = Wallet.objects.filter(Q(survexblock__date=date) | Q(walletdate=date)).distinct()
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svxothers = SurvexFile.objects.filter(survexblock__date=date).distinct()
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this_logbookentry = this_logbookentry[0]
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# This is the only page that uses next_.. and prev_..
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# and it is calculated on the fly in the model
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return render(
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request,
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"logbookentry.html",
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{"logbookentry": this_logbookentry,"trips": trips, "svxothers": svxothers, "wallets": wallets},
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)
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else:
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msg = f' Logbook entry slug:"{slug}" not found in database on date:"{date}" '
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print(msg)
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return render(request, "errors/generic.html", {"message": msg})
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def get_people(request, expeditionslug):
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exp = Expedition.objects.get(year=expeditionslug)
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return render(request, "options.html", {"items": [(pe.slug, pe.name) for pe in exp.personexpedition_set.all()]})
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def get_logbook_entries(request, expeditionslug):
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exp = Expedition.objects.get(year=expeditionslug)
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return render(
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request, "options.html", {"items": [(le.slug, f"{le.date} - {le.title}") for le in exp.logbookentry_set.all()]}
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)
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