update project models and serializers

Evgeniy-Golodnykh · Aug 8, 2024 · 23af70d · 23af70d
1 parent 9b0094a
commit 23af70d
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Showing 6 changed files with 16 additions and 9 deletions.
diff --git a/blackfox/api/serializers.py b/blackfox/api/serializers.py
@@ -12,15 +12,15 @@ class BodyStatsDiarySerializer(serializers.ModelSerializer):
 
     class Meta:
         model = BodyStatsDiary
-        exclude = ['id',]
+        exclude = ['id']
 
 
 class FoodDiarySerializer(serializers.ModelSerializer):
     """A serializer to read FoodDiary instances."""
 
     class Meta:
         model = FoodDiary
-        exclude = ['id',]
+        exclude = ['id']
 
 
 class ProjectSerializer(serializers.ModelSerializer):
@@ -39,7 +39,7 @@ class ProjectSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Project
-        exclude = ['id',]
+        exclude = ['id']
 
 
 class CreateUpdateProjectSerializer(ProjectSerializer):
@@ -48,6 +48,13 @@ class CreateUpdateProjectSerializer(ProjectSerializer):
     user = serializers.PrimaryKeyRelatedField(queryset=User.objects)
     coach = serializers.PrimaryKeyRelatedField(queryset=User.objects)
 
+    def validate_user(self, value):
+        if Project.objects.filter(user=value).exists():
+            raise serializers.ValidationError(
+                'A project with this User already exists'
+            )
+        return value
+
     def to_representation(self, instance):
         request = self.context.get('request')
         context = {'request': request}

diff --git a/blackfox/db.sqlite3 b/blackfox/db.sqlite3
diff --git a/blackfox/training/migrations/0001_initial.py b/blackfox/training/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 3.2.16 on 2024-08-08 20:35
+# Generated by Django 3.2.16 on 2024-08-08 21:04
 
 import django.core.validators
 from django.db import migrations, models

diff --git a/blackfox/training/migrations/0002_initial.py b/blackfox/training/migrations/0002_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 3.2.16 on 2024-08-08 20:35
+# Generated by Django 3.2.16 on 2024-08-08 21:04
 
 from django.conf import settings
 from django.db import migrations, models
@@ -10,8 +10,8 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ('training', '0001_initial'),
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('training', '0001_initial'),
     ]
 
     operations = [
@@ -23,7 +23,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='project',
             name='user',
-            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='project_user', to=settings.AUTH_USER_MODEL, verbose_name='спортсмен'),
+            field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='project_user', to=settings.AUTH_USER_MODEL, verbose_name='спортсмен'),
         ),
         migrations.AddField(
             model_name='fooddiary',

diff --git a/blackfox/training/models.py b/blackfox/training/models.py
@@ -164,7 +164,7 @@ def __str__(self):
 
 
 class Project(models.Model):
-    user = models.ForeignKey(
+    user = models.OneToOneField(
         User,
         on_delete=models.CASCADE,
         verbose_name='спортсмен',

diff --git a/blackfox/users/migrations/0001_initial.py b/blackfox/users/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 3.2.16 on 2024-08-08 20:35
+# Generated by Django 3.2.16 on 2024-08-08 21:04
 
 import django.contrib.auth.models
 import django.contrib.auth.validators