Create team detail page

apps/participation/apps.py

@@ -1,5 +1,10 @@
 from django.apps import AppConfig
+from django.db.models.signals import post_save
 
 
 class ParticipationConfig(AppConfig):
     name = 'participation'
+
+    def ready(self):
+        from participation.signals import create_team_participation
+        post_save.connect(create_team_participation, "participation.Team")

apps/participation/signals.py

@@ -0,0 +1,5 @@
+from participation.models import Participation
+
+
+def create_team_participation(instance, **_):
+    Participation.objects.get_or_create(team=instance)

apps/participation/templates/participation/team_detail.html

@@ -0,0 +1,34 @@
+{% extends "base.html" %}
+
+{% load i18n %}
+
+{% block content %}
+{% trans "any" as any %}
+
+    <div class="card bg-light shadow">
+        <div class="card-header text-center">
+            <h4>{{ team.name }}</h4>
+        </div>
+    <div class="card-body">
+        <dl class="row">
+            <dt class="col-sm-6 text-right">{% trans "Name:" %}</dt>
+            <dd class="col-sm-6">{{ team.name }}</dd>
+
+            <dt class="col-sm-6 text-right">{% trans "Trigram:" %}</dt>
+            <dd class="col-sm-6">{{ team.trigram }}</dd>
+
+            <dt class="col-sm-6 text-right">{% trans "Access code:" %}</dt>
+            <dd class="col-sm-6">{{ team.access_code }}</dd>
+
+            <dt class="col-sm-6 text-right">{% trans "Coachs:" %}</dt>
+            <dd class="col-sm-6">{{ team.coachs.all|join:", "|default:any }}</dd>
+
+            <dt class="col-sm-6 text-right">{% trans "Participants:" %}</dt>
+            <dd class="col-sm-6">{{ team.students.all|join:", "|default:any }}</dd>
+
+            <dt class="col-sm-6 text-right">{% trans "Chosen problem:" %}</dt>
+            <dd class="col-sm-6">{{ team.participation.problem|default:any }}</dd>
+        </dl>
+    </div>
+    </div>
+{% endblock %}

apps/participation/urls.py

@@ -1,6 +1,6 @@
 from django.urls import path
 
-from .views import CreateTeamView, JoinTeamView
+from .views import CreateTeamView, JoinTeamView, MyTeamDetailView, TeamDetailView
 
 
 app_name = "participation"
@@ -8,4 +8,6 @@ app_name = "participation"
 urlpatterns = [
     path("create_team/", CreateTeamView.as_view(), name="create_team"),
     path("join_team/", JoinTeamView.as_view(), name="join_team"),
+    path("team/", MyTeamDetailView.as_view(), name="my_team_detail"),
+    path("team/<int:pk>/", TeamDetailView.as_view(), name="team_detail"),
 ]

apps/participation/views.py

@@ -1,8 +1,9 @@
 from django.contrib.auth.mixins import LoginRequiredMixin
+from django.core.exceptions import PermissionDenied
 from django.db import transaction
 from django.urls import reverse_lazy
 from django.utils.translation import gettext_lazy as _
-from django.views.generic import CreateView, FormView
+from django.views.generic import CreateView, FormView, DetailView, RedirectView
 
 from participation.forms import TeamForm, JoinTeamForm
 from participation.models import Team
@@ -58,3 +59,18 @@ class JoinTeamView(LoginRequiredMixin, FormView):
 
     def get_success_url(self):
         return reverse_lazy("index")
+
+
+class MyTeamDetailView(LoginRequiredMixin, RedirectView):
+    def get_redirect_url(self, *args, **kwargs):
+        user = self.request.user
+        registration = user.registration
+        if registration.participates:
+            if registration.team:
+                return reverse_lazy("participation:team_detail", args=(registration.team_id,))
+            raise PermissionDenied(_("You are not in a team."))
+        raise PermissionDenied(_("You don't participate, so you don't have any team."))
+
+
+class TeamDetailView(LoginRequiredMixin, DetailView):
+    model = Team

apps/registration/models.py

@@ -56,8 +56,7 @@ class Registration(PolymorphicModel):
         return isinstance(self, StudentRegistration) or isinstance(self, CoachRegistration)
 
     def __str__(self):
-        return _("registration of {first_name} {last_name}")\
-            .format(first_name=self.user.first_name, last_name=self.user.last_name)
+        return f"{self.user.first_name} {self.user.last_name}"
 
     class Meta:
         verbose_name = _("registration")