It doesn't work ... Actually, ManyToManyField is not null ... I get error
when i search a keyword that doesn't match with any user! ... For example,
first_name is 'Omid', when i search 'o' or 'm', search works fine and
return 'Omid', but, when i search 'k', i get PageNotFound error
On Wednesday, March 25, 2020 at 7:00:00 AM UTC+4:30, Motaz Hejaze wrote:
>
> Add null=True to manytomany field
>
>
> On Wed, 25 Mar 2020, 2:02 am omid jahadi, <omidj...@gmail.com
> <javascript:>> wrote:
>
>> Hello everybody! I want to search in a ManyToManyField in the
>> DetailView. It works fine if a user with the same query exist, but if there
>> isn't a user, i get page not found error.
>>
>> models.py:
>>
>> class agents(models.Model):
>> agent_type = models.ForeignKey(types, on_delete=models.SET_NULL,
>> blank=True, null=True)
>> name = models.CharField(max_length=100)
>> users = models.ManyToManyField(user_models.users, through='user_agent')
>>
>> views.py:
>>
>> class AgentDetailView(LoginRequiredMixin, generic.DetailView):
>> model = models.agents
>> template_name = 'agent/agent_detail.html'
>>
>> def get_queryset(self):
>> query = self.request.GET.get('q')
>> if query:
>> return
>> models.agents.objects.filter(Q(users__user__first_name__contains=query)
>> |
>> Q(users__user__last_name__contains=query)
>> |
>> Q(users__id_number__contains=query)
>> |
>> Q(users__mobile__contains=query))
>> else:
>> return models.agents.objects.all()
>>
>> agent_detail.html:
>>
>> <h1>name: {{ agents.name }}</h1>
>> <form method="GET" action="" id="searchform">
>> <input class="searchfield" id="searchbox" name="q" type="text"
>> placeholder="Search..."/>
>> <button name="search" type="submit" value="{{ request.GET.q
>> }}">Search</button>
>> </form>
>> {% if agents.users %}
>> <p><strong>Users:</strong>
>> <br>
>> {% for users in agents.users.all %}
>> <li>{{ users }}</li>
>> <hr>
>> {% endfor %}
>> </p>
>> {% else %}
>> <p>There are no user for this agent in database.</p>
>> {% endif %}
>>
>> --
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>>
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>> .
>>
>
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