Add risk model and views

core/models.py

@@ -112,6 +112,9 @@ class Account(models.Model):
     supported_symbols = models.JSONField(default=list)
     instruments = models.JSONField(default=list)
     currency = models.CharField(max_length=255, null=True, blank=True)
+    riskmodel = models.ForeignKey(
+        "core.RiskModel", on_delete=models.SET_NULL, null=True, blank=True
+    )
 
     def __str__(self):
         name = f"{self.name} ({self.exchange})"
@@ -375,20 +378,11 @@ class NotificationSettings(models.Model):
         return f"Notification settings for {self.user}"
 
 
-# class Perms(models.Model):
-#     class Meta:
-#         permissions = (
-#             ("bypass_hashing", "Can bypass field hashing"),  #
-#             ("bypass_blacklist", "Can bypass the blacklist"),  #
-#             ("bypass_encryption", "Can bypass field encryption"),  #
-#             ("bypass_obfuscation", "Can bypass field obfuscation"),  #
-#             ("bypass_delay", "Can bypass data delay"),  #
-#             ("bypass_randomisation", "Can bypass data randomisation"),  #
-#             ("post_irc", "Can post to IRC"),
-#             ("post_discord", "Can post to Discord"),
-#             ("query_search", "Can search with query strings"),  #
-#             ("use_insights", "Can use the Insights page"),
-#             ("index_int", "Can use the internal index"),
-#             ("index_meta", "Can use the meta index"),
-#             ("restricted_sources", "Can access restricted sources"),
-#         )
+class RiskModel(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    name = models.CharField(max_length=255)
+    description = models.TextField(null=True, blank=True)
+    # Maximum amount of money to have lost from the initial balance to stop trading
+    maximum_loss_ratio = models.FloatField(default=0.05)
+    # Maximum amount of money to risk on all open trades
+    maximum_risk_ratio = models.FloatField(default=0.05)