Merge pull request #1900 from willhoh/main

Added check for bocked or pending domains. Fixes #1850

bookwyrm/forms.py

@@ -1,6 +1,7 @@
 """ using django model forms """
 import datetime
 from collections import defaultdict
+from urllib.parse import urlparse
 
 from django import forms
 from django.forms import ModelForm, PasswordInput, widgets, ChoiceField
@@ -227,6 +228,34 @@ class FileLinkForm(CustomForm):
         model = models.FileLink
         fields = ["url", "filetype", "availability", "book", "added_by"]
 
+    def clean(self):
+        """make sure the domain isn't blocked or pending"""
+        cleaned_data = super().clean()
+        url = cleaned_data.get("url")
+        filetype = cleaned_data.get("filetype")
+        book = cleaned_data.get("book")
+        domain = urlparse(url).netloc
+        if models.LinkDomain.objects.filter(domain=domain).exists():
+            status = models.LinkDomain.objects.get(domain=domain).status
+            if status == "blocked":
+                # pylint: disable=line-too-long
+                self.add_error(
+                    "url",
+                    _(
+                        "This domain is blocked. Please contact your administrator if you think this is an error."
+                    ),
+                )
+            elif models.FileLink.objects.filter(
+                url=url, book=book, filetype=filetype
+            ).exists():
+                # pylint: disable=line-too-long
+                self.add_error(
+                    "url",
+                    _(
+                        "This link with file type has already been added for this book. If it is not visible, the domain is still pending."
+                    ),
+                )
+
 
 class EditionForm(CustomForm):
     class Meta: