Updates models

bookwyrm/models/link.py

@@ -1,4 +1,6 @@
 """ outlink data """
+from urllib.parse import urlparse
+
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
@@ -12,12 +14,25 @@ class Link(ActivitypubMixin, BookWyrmModel):
     """a link to a website"""
 
     url = fields.URLField(max_length=255, activitypub_field="href")
+    domain = models.ForeignKey(
+        "LinkDomain", on_delete=models.PROTECT, null=True, blank=True
+    )
 
     activity_serializer = activitypub.Link
     reverse_unfurl = True
 
+    @property
+    def name(self):
+        """link name via the assocaited domain"""
+        return self.domain.name
+
     def save(self, *args, **kwargs):
         """create a link"""
+        # get or create the associated domain
+        if not self.domain:
+            domain = urlparse(self.url).netloc
+            self.domain, _ = LinkDomain.objects.get_or_create(domain=domain)
+
         # this is never broadcast, the owning model broadcasts an update
         if "broadcast" in kwargs:
             del kwargs["broadcast"]
@@ -43,7 +58,7 @@ StatusChoices = [
 class LinkDomain(BookWyrmModel):
     """List of domains used in links"""
 
-    domain = models.CharField(max_length=255)
+    domain = models.CharField(max_length=255, unique=True)
     status = models.CharField(max_length=50, choices=StatusChoices, default="pending")
     name = models.CharField(max_length=100)