feat: upload file in contact form

apps/pages/forms.py

@@ -1,9 +1,13 @@
 from django import forms
+from django.core.exceptions import ValidationError
 
+from .contact_uploads import validate_contact_attachments
 from .models import ContactSubmission
 
 
 class ContactForm(forms.ModelForm):
+    attachments = forms.Field(required=False)
+
     class Meta:
         model = ContactSubmission
         fields = ["name", "title", "description", "email"]
@@ -22,3 +26,16 @@ class ContactForm(forms.ModelForm):
                 }
             ),
         }
+
+    def __init__(self, *args, file_list=None, **kwargs):
+        self.file_list = file_list
+        super().__init__(*args, **kwargs)
+
+    def clean(self):
+        cleaned_data = super().clean()
+        try:
+            cleaned_data["attachments"] = validate_contact_attachments(self.file_list)
+        except ValidationError as exc:
+            self.add_error("attachments", exc)
+            cleaned_data["attachments"] = []
+        return cleaned_data