Add explicit primary keys

infoscreen/models.py

@@ -16,6 +16,7 @@ class InfoItem(models.Model):
     class __meta__:
         abstract = True
 
+    id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=255)
     # expire_date = None means never expiring item
     expire_date = models.DateTimeField(blank=True, null=True)
@@ -316,6 +317,7 @@ class ExternalImageInfoItem(InfoItem):
 class InfoInstance(models.Model):
     """Class for Info instance in Infoscreen."""
 
+    id = models.AutoField(primary_key=True)
     rotation = models.ForeignKey(
         "Rotation", related_name="instances", on_delete=models.CASCADE
     )
@@ -356,6 +358,7 @@ class InfoInstance(models.Model):
 class Rotation(models.Model):
     """Class for rotation model."""
 
+    id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=255)
 
     def get_dict(self):
@@ -388,6 +391,7 @@ class Rotation(models.Model):
 class ImageUploadForm(forms.Form):
     """Form used to handle imageuploads to infoscreen app."""
 
+    id = models.AutoField(primary_key=True)
     name = forms.CharField()
     image = forms.ImageField()
 
@@ -395,5 +399,6 @@ class ImageUploadForm(forms.Form):
 class UploadFileForm(forms.Form):
     """Form used for uploading file."""
 
+    id = models.AutoField(primary_key=True)
     name = forms.CharField()
     video = forms.FileField()