User and permission management

user_manager/forms.py

@@ -0,0 +1,46 @@
+from django import forms
+from django.contrib.auth.forms import UserCreationForm
+from django.contrib.auth.models import User
+from .models import UserAcl
+from django.core.exceptions import ValidationError
+
+
+class UserAclForm(UserCreationForm):
+    user_level = forms.ChoiceField(choices=UserAcl.user_level.field.choices, required=True, label="User Level")
+
+    class Meta(UserCreationForm.Meta):
+        model = User
+        fields = UserCreationForm.Meta.fields + ('user_level',)
+
+    def __init__(self, *args, **kwargs):
+        self.user_id = kwargs.pop('user_id', None)
+        super().__init__(*args, **kwargs)
+        if self.instance and self.instance.pk:
+            self.fields['password1'].required = False
+            self.fields['password2'].required = False
+            self.fields['username'].widget.attrs['readonly'] = True
+
+    def clean_username(self):
+        username = self.cleaned_data.get('username')
+        if User.objects.filter(username=username).exclude(pk=self.user_id).exists():
+            raise ValidationError("A user with that username already exists.")
+        return username
+
+    def save(self, commit=True):
+        user = super().save(commit=False)
+        new_password = self.cleaned_data.get("password1")
+        
+        if new_password:
+            user.set_password(new_password)
+            user.save()
+        else:
+            if not user.id:
+                user.save()
+
+        if commit:
+            user_acl, created = UserAcl.objects.update_or_create(
+                user=user, 
+                defaults={'user_level': self.cleaned_data.get('user_level')}
+            )
+
+        return user