Add asset groups and restrictions

core/models.py

@@ -410,7 +410,7 @@ class AssetGroup(models.Model):
     account = models.ForeignKey(Account, on_delete=models.CASCADE)
 
     # Dict like {"RUB": True, "USD": False}
-    allowed = models.JSONField(null=True, blank=True, default={})
+    allowed = models.JSONField(null=True, blank=True, default=dict)
 
     def __str__(self):
         return self.name
@@ -424,12 +424,20 @@ class AssetGroup(models.Model):
             truthy_values = [x for x in self.allowed.values() if x is True]
             return f"{len(truthy_values)}/{len(self.allowed)}"
 
+    @property
+    def restrictions(self):
+        """
+        Get the total number of restrictions for this group.
+        """
+        return self.assetrestriction_set.count()
+
 
 class AssetRestriction(models.Model):
     user = models.ForeignKey(User, on_delete=models.CASCADE)
     name = models.CharField(max_length=255)
     description = models.TextField(null=True, blank=True)
     pairs = models.CharField(max_length=4096, null=True, blank=True)
+    pairs_parsed = models.JSONField(null=True, blank=True)
 
     group = models.ForeignKey(
         AssetGroup, on_delete=models.CASCADE, null=True, blank=True