Finish packaging and change to src-based packaging layout, replace caddy with haproxy for performance, and update docker-compose and Dockerfiles for new packaging.

src/pkmntrade_club/accounts/models.py

@@ -0,0 +1,70 @@
+from django.contrib.auth.models import AbstractUser
+from django.db import models
+from django.core.exceptions import ValidationError
+import re
+
+def validate_friend_code(value):
+    """Validate that friend code follows the format XXXX-XXXX-XXXX-XXXX where X is a digit."""
+    if not re.match(r'^\d{4}-\d{4}-\d{4}-\d{4}$', value):
+        raise ValidationError(
+            'Friend code must be in format XXXX-XXXX-XXXX-XXXX where X is a digit.'
+        )
+
+class CustomUser(AbstractUser):
+    default_friend_code = models.ForeignKey("FriendCode", on_delete=models.SET_NULL, null=True, blank=True)
+    show_friend_code_on_link_previews = models.BooleanField(
+        default=False,
+        verbose_name="Show Friend Code on Link Previews",
+        help_text="This will primarily affect share link previews on X, Discord, etc."
+    )
+    enable_email_notifications = models.BooleanField(
+        default=True,
+        verbose_name="Enable Email Notifications",
+        help_text="Receive trade notifications via email."
+    )
+    reputation_score = models.IntegerField(default=0)
+
+    def __str__(self):
+        return self.email
+
+    def set_default_friend_code(self, friend_code):
+        """Set a friend code as default if it belongs to the user."""
+        if friend_code.user != self:
+            raise ValidationError("Friend code does not belong to this user.")
+        self.default_friend_code = friend_code
+        self.save(update_fields=["default_friend_code"])
+
+    def remove_default_friend_code(self, friend_code):
+        """
+        If the given friend code is the current default,
+        assign another of the user's friend codes as default.
+        Raises ValidationError if it's the only friend code.
+        """
+        if self.default_friend_code == friend_code:
+            other_codes = self.friend_codes.exclude(pk=friend_code.pk)
+            if not other_codes.exists():
+                raise ValidationError("A user must always have a default friend code.")
+            self.default_friend_code = other_codes.first()
+            self.save(update_fields=["default_friend_code"])
+
+class FriendCode(models.Model):
+    friend_code = models.CharField(max_length=19, validators=[validate_friend_code])
+    in_game_name = models.CharField(max_length=14, null=False, blank=False)
+    user = models.ForeignKey(CustomUser, on_delete=models.PROTECT, related_name='friend_codes')
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def save(self, *args, **kwargs):
+        """
+        When a new friend code is saved,
+        if the user has no default friend code yet,
+        automatically set this as the default.
+        """
+        is_new = self.pk is None
+        super().save(*args, **kwargs)
+        if is_new and not self.user.default_friend_code:
+            self.user.default_friend_code = self
+            self.user.save(update_fields=["default_friend_code"])
+
+    def __str__(self):
+        return self.friend_code