Closes #11890: Sync/upload reports & scripts (#12059)

* Initial work on #11890

* Consolidate get_scripts() and get_reports() functions

* Introduce proxy models for script & report modules

* Add add/delete views for reports & scripts

* Add deletion links for modules

* Enable resolving scripts/reports from module class

* Remove get_modules() utility function

* Show results in report/script lists

* Misc cleanup

* Fix file uploads

* Support automatic migration for submodules

* Fix module child ordering

* Template cleanup

* Remove ManagedFile views

* Move is_script(), is_report() into extras.utils

* Fix URLs for nested reports & scripts

* Misc cleanup

netbox/core/forms/model_forms.py

@@ -3,12 +3,14 @@ import copy
 from django import forms
 
 from core.models import *
+from extras.forms.mixins import SyncedDataMixin
 from netbox.forms import NetBoxModelForm
 from netbox.registry import registry
 from utilities.forms import CommentField, get_field_value
 
 __all__ = (
     'DataSourceForm',
+    'ManagedFileForm',
 )
 
 
@@ -73,3 +75,37 @@ class DataSourceForm(NetBoxModelForm):
         self.instance.parameters = parameters
 
         return super().save(*args, **kwargs)
+
+
+class ManagedFileForm(SyncedDataMixin, NetBoxModelForm):
+    upload_file = forms.FileField(
+        required=False
+    )
+
+    fieldsets = (
+        ('File Upload', ('upload_file',)),
+        ('Data Source', ('data_source', 'data_file')),
+    )
+
+    class Meta:
+        model = ManagedFile
+        fields = ('data_source', 'data_file')
+
+    def clean(self):
+        super().clean()
+
+        if self.cleaned_data.get('upload_file') and self.cleaned_data.get('data_file'):
+            raise forms.ValidationError("Cannot upload a file and sync from an existing file")
+        if not self.cleaned_data.get('upload_file') and not self.cleaned_data.get('data_file'):
+            raise forms.ValidationError("Must upload a file or select a data file to sync")
+
+        return self.cleaned_data
+
+    def save(self, *args, **kwargs):
+        # If a file was uploaded, save it to disk
+        if self.cleaned_data['upload_file']:
+            self.instance.file_path = self.cleaned_data['upload_file'].name
+            with open(self.instance.full_path, 'wb+') as new_file:
+                new_file.write(self.cleaned_data['upload_file'].read())
+
+        return super().save(*args, **kwargs)