Jungs.Django - Wie überprüft man, ob die ID in einer Tabellenspalte enthalten ist?
Ich möchte meine django Vorlage prüfen, ob request.user in irgendeiner Zeile der Spalte Benutzer in meiner Tabelle existiert LeagueMember. Die Art, wie ich sie gefunden habe, funktioniert nicht.
views.py
@login_required(login_url='login/')
def search_leagues(request):
if request.method == 'POST':
return redirect('join_league')
leagues = League.objects.all()
return render(request, 'search_leagues.html', { 'allleagues': leagues })
model.py
class League(models.Model):
league_owner = models.ForeignKey('auth.User')
league_name = models.CharField(max_length=30)
creation_date = models.DateTimeField()
def is_member(self):
member = LeagueMember.objects.get(league=self)
if member:
return True
else:
return False
class LeagueMember(models.Model):
league = models.ForeignKey('League', related_name='leaguemember_league')
user = models.ForeignKey('auth.User')
search_leagues.html
{% for league in allleagues %}
<tr>
<td class="center">{{ league.league_name }}</td>
<td class="center">{{ league.leaguemember_league.count}}/{{ league.leaguesettings_league.league_number_teams }}</td>
<td class="center">{{ league.leaguesettings_league.league_eligibility }}</td>
<td class="center">{{ league.leaguesettings_league.league_lifetime }}</td>
{% if request.user in league.leaguemember_league.user %}
DO SOMETHING!!!
{% else %}
{% if league.leaguemember_league.count < league.leaguesettings_league.league_number_teams %}
{% if league.leaguesettings_league.league_eligibility == "Private" %}
<form method="post" action="{% url 'joinleague' pk=league.id %}">
<td class="center"><a href="{% url 'joinleague' pk=league.id %}" class="btn btn-mini btn-warning">Soliticar</a></td>
</form>
{% elif league.leaguesettings_league.league_eligibility == "Public" %}
<form method="post" action="{% url 'joinleague' pk=league.id %}">
<td class="center"><a href="{% url 'joinleague' pk=league.id %}" class="btn btn-mini btn-info">Entrar</a></td>
</form>
{% endif %}
{% endif %}
{% endif %}
</tr>
{% endfor %}
Dieser Fehler in dieser Zeile ist:
{% if request.user in league.leaguemember_league.user %}
geht immer an ELSE Block
Danke alle