Add some properties to the models

apps/participation/models.py

@@ -171,6 +171,24 @@ class Tournament(models.Model):
         if qs.exists():
             return qs.get()
 
+    @property
+    def participations(self):
+        if self.final:
+            return Participation.objects.filter(final=True)
+        return self.participation_set
+
+    @property
+    def solutions(self):
+        if self.final:
+            return Solution.objects.filter(final_solution=True)
+        return Solution.objects.filter(participation__tournament=self)
+
+    @property
+    def syntheses(self):
+        if self.final:
+            return Synthesis.objects.filter(final_solution=True)
+        return Synthesis.objects.filter(participation__tournament=self)
+
     class Meta:
         verbose_name = _("tournament")
         verbose_name_plural = _("tournaments")
@@ -179,28 +197,6 @@ class Tournament(models.Model):
         ]
 
 
-class Pool(models.Model):
-    tournament = models.ForeignKey(
-        Tournament,
-        on_delete=models.CASCADE,
-        verbose_name=_("tournament"),
-    )
-
-    round = models.PositiveSmallIntegerField(
-        verbose_name=_("round"),
-    )
-
-    juries = models.ManyToManyField(
-        VolunteerRegistration,
-        verbose_name=_("juries"),
-        related_name="jury_in",
-    )
-
-    class Meta:
-        verbose_name = _("pool")
-        verbose_name_plural = _("pools")
-
-
 class Participation(models.Model):
     """
     The Participation model contains all data that are related to the participation:
@@ -266,6 +262,40 @@ class Participation(models.Model):
         verbose_name_plural = _("participations")
 
 
+class Pool(models.Model):
+    tournament = models.ForeignKey(
+        Tournament,
+        on_delete=models.CASCADE,
+        related_name="pools",
+        verbose_name=_("tournament"),
+    )
+
+    round = models.PositiveSmallIntegerField(
+        verbose_name=_("round"),
+    )
+
+    participations = models.ManyToManyField(
+        Participation,
+        related_name="pools",
+        verbose_name=_("participations"),
+    )
+
+    juries = models.ManyToManyField(
+        VolunteerRegistration,
+        related_name="jury_in",
+        verbose_name=_("juries"),
+    )
+
+    @property
+    def solutions(self):
+        return Solution.objects.filter(participation__in=self.participations, final_solution=self.tournament.final)
+
+    class Meta:
+        verbose_name = _("pool")
+        verbose_name_plural = _("pools")
+
+
+
 class Solution(models.Model):
     participation = models.ForeignKey(
         Participation,
@@ -307,6 +337,7 @@ class Synthesis(models.Model):
     pool = models.ForeignKey(
         Pool,
         on_delete=models.CASCADE,
+        related_name="syntheses",
         verbose_name=_("pool"),
     )