forked from expo/troggle
249 lines
9.9 KiB
Python
249 lines
9.9 KiB
Python
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
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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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"""
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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. Yes there are many levels of indirection, with multiple trees being traversed at the same time. And the Django special syntax
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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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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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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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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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ts = TROG["pagecache"]["expedition"] # not much use unless single user!
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if settings.CACHEDPAGES:
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len(TROG["pagecache"]["expedition"])
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# print(f'! - expo {expeditionname} CACHEDPAGES {nexpos} expo pages in cache.')
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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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"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(
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request,
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first_name="",
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last_name="",
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):
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try:
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this_person = Person.objects.get(first_name=first_name, last_name=last_name)
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except:
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message = f"Person not found '{first_name} {last_name}' - possibly Scottish? (See our <a href=\"/handbook/troggle/namesredesign.html\">Proposal to fix this</a>)"
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return render(request, "errors/generic.html", {"message": message})
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return render(request, "person.html", {"person": this_person})
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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, first_name="", last_name="", year=""):
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person = Person.objects.get(first_name=first_name, last_name=last_name)
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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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# for pc in personchronology:
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# print(pc)
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return render(
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request, "personexpedition.html", {"personexpedition": personexpedition, "personchronology": personchronology}
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)
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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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