I am using the built-in django user model. I keep getting the error django.db.utils.IntegrityError: FOREIGN KEY constraint failed
I did not use the user model in any other models and vice-versa.
models.py looks like this
from django.contrib.auth.models import User
from django.utils import timezone
from django.db.models import CharField
from django.db.models import BooleanField
from django.db.models import TextField
from django.db.models import DateTimeField
class Course(models.Model):
id = models.AutoField(primary_key=True)
name = CharField(max_length=100)
class Project(models.Model):
id = models.AutoField(primary_key=True)
desc = CharField(max_length=150)
name = CharField(max_length=50)
storyboard_file_path = TextField()
storyboard_completed = BooleanField(default=False)
filming_complete = BooleanField(default=False)
audio_complete = BooleanField(default=False)
production_complete = BooleanField(default=False)
aggregation_complete = BooleanField(default=False)
video_file_path = TextField()
final_review_complete = BooleanField(default=False)
course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name="projects", null=True, blank=True)
class Status(models.Model):
status_id = models.IntegerField(primary_key=True)
desc = CharField(max_length=150)
name = CharField(max_length=50)
class Event(models.Model):
project_id = models.ForeignKey(Project, on_delete=models.CASCADE, null=True, blank=True)
status_id = models.ForeignKey(Status, on_delete=models.CASCADE, null=True, blank=True)
datetime = models.DateTimeField(auto_now_add=True, blank=True)
serializers.py looks like this
from rest_framework import serializers
from .models import Event
from .models import Project
from .models import Course
from rest_framework_jwt.settings import api_settings
class UserSerializer(serializers.ModelSerializer):
class Meta:
model = User
fields = ('id',
"password",
"last_login",
"is_superuser",
"username",
"first_name",
"last_name",
"email",
"is_staff",
"is_active",
"date_joined",
"groups",
"user_permissions")
def create(self, validated_data):
password = validated_data.pop('password', None)
instance = self.Meta.model(**validated_data)
if password is not None:
instance.set_password(password)
instance.save()
return instance
def update(self, instance, validated_data):
for attr, value in validated_data.items():
if attr == 'password':
instance.set_password(value)
else:
setattr(instance, attr, value)
instance.save()
return instance
def get_jwt_token(user):
jwt_payload_handler = api_settings.JWT_PAYLOAD_HANDLER
jwt_encode_handler = api_settings.JWT_ENCODE_HANDLER
payload = jwt_payload_handler(user)
return jwt_encode_handler(payload)
class ProjectSerializer(serializers.ModelSerializer):
class Meta:
model = Project
fields = ('id', 'desc', 'name', 'storyboard_file_path',
'storyboard_completed', 'filming_complete', 'audio_complete',
'production_complete', 'aggregation_complete', 'video_file_path',
'final_review_complete', 'course')
def create(self, validated_data):
instance = self.Meta.model(**validated_data)
instance.save()
return instance
def update(self, instance, validated_data):
for attr, value in validated_data.items():
setattr(instance, attr, value)
instance.save()
return instance
class CouserSerializer(serializers.ModelSerializer):
projects = ProjectSerializer(many=True, read_only=True)
class Meta:
model = Course
fields = ('id', 'name', 'projects')
def create(self, validated_data):
instance = self.Meta.model(**validated_data)
instance.save()
return instance
I am trying to load in the fixture
{
"model": "auth.user",
"pk": 1,
"fields": {
"password": "pbkdf2_sha256$120000$V2isoXl1Q88l$sVuB+25I6UNNLY76Ti0EixAu/Ucimqi7rFpbadDzqzc=",
"last_login": null,
"is_superuser": true,
"username": "admin@admin.com",
"first_name": "Admin",
"last_name": "User",
"email": "admin@admin.com",
"is_staff": true,
"is_active": true,
"date_joined": "2019-04-16T00:16:13.252Z",
"groups": [1],
"user_permissions": []
}
},
{
"model": "auth.user",
"pk": 2,
"fields": {
"password": "pbkdf2_sha256$120000$6YHv5JMayFnN$+Y2TqedyjZq02kEw/0ZaXtyigzaH2+BRUIqqkSeAG90=",
"last_login": null,
"is_superuser": false,
"username": "content@content.com",
"first_name": "Content",
"last_name": "Manager",
"email": "content@content.com",
"is_staff": true,
"is_active": true,
"date_joined": "2019-04-16T00:19:01.130Z",
"groups": [2],
"user_permissions": []
}
}
]
I do not understand where this foreign key error is coming from. Any help would be appreciated.
It is probably the groups. Do those groups exist (before the users). If not you would get this error.
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