[scrobbles] Add sharing of scrobbles

vrobbler/apps/scrobbles/models.py

@@ -18,6 +18,8 @@ from bricksets.models import BrickSet
 from charts.utils import build_charts
 from dataclass_wizard.errors import ParseError
 from django.conf import settings
+from scrobbles.constants import Visibility
+from scrobbles.sqids import encode_scrobble_share
 from django.contrib.auth import get_user_model
 from django.core.files import File
 from django.db import models
@@ -633,6 +635,18 @@ class ScrobbleQuerySet(models.QuerySet):
         )
 
 
+class ShareViewLog(TimeStampedModel):
+    scrobble = models.ForeignKey(
+        "Scrobble", on_delete=models.CASCADE, related_name="share_views"
+    )
+    ip_address = models.GenericIPAddressField(**BNULL)
+    user_agent = models.TextField(**BNULL)
+    referrer = models.URLField(max_length=2048, **BNULL)
+
+    def __str__(self):
+        return f"View of {self.scrobble} at {self.created}"
+
+
 class Scrobble(TimeStampedModel):
     """A scrobble tracks played media items by a user."""
 
@@ -694,6 +708,14 @@ class Scrobble(TimeStampedModel):
     media_type = models.CharField(
         max_length=20, choices=MediaType.choices, default=MediaType.VIDEO
     )
+    visibility = models.CharField(
+        max_length=10,
+        choices=Visibility.choices,
+        default=Visibility.PRIVATE,
+        db_index=True,
+    )
+    share_token_version = models.PositiveIntegerField(default=0)
+    share_view_count = models.PositiveIntegerField(default=0)
     user = models.ForeignKey(User, blank=True, null=True, on_delete=models.DO_NOTHING)
 
     # Time keeping
@@ -875,6 +897,16 @@ class Scrobble(TimeStampedModel):
             self.save(update_fields=["uuid"])
         return reverse("scrobbles:detail", kwargs={"uuid": self.uuid})
 
+    def get_share_url(self):
+        if self.visibility == Visibility.PRIVATE:
+            return None
+        sqid = encode_scrobble_share(self.id, self.share_token_version)
+        return reverse("scrobbles:shared-detail", kwargs={"sqid": sqid})
+
+    def regenerate_share_token(self):
+        self.share_token_version += 1
+        self.save(update_fields=["share_token_version"])
+
     def push_to_archivebox(self):
         pushable_media = hasattr(self.media_obj, "push_to_archivebox") and callable(
             self.media_obj.push_to_archivebox