aprhodite/models.py

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"""
models.py SQLAlchemy ORM models for SexyChat.
Tables
------
users Registered accounts
messages Encrypted PM history (user↔user and user↔AI)
"""
from datetime import datetime, timezone
from database import db
def _utcnow():
return datetime.now(timezone.utc)
class User(db.Model):
__tablename__ = "users"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False, index=True)
password_hash = db.Column(db.String(128), nullable=False)
email = db.Column(db.String(255), unique=True, nullable=True)
role = db.Column(db.String(10), default="user", nullable=False) # root, admin, mod, user
has_ai_access = db.Column(db.Boolean, default=False, nullable=False)
ai_messages_used = db.Column(db.Integer, default=0, nullable=False)
is_verified = db.Column(db.Boolean, default=False, nullable=False)
created_at = db.Column(db.DateTime, default=_utcnow, nullable=False)
sent_messages = db.relationship(
"Message", foreign_keys="Message.sender_id",
backref="sender", lazy="dynamic",
)
received_messages = db.relationship(
"Message", foreign_keys="Message.recipient_id",
backref="recipient", lazy="dynamic",
)
# Persistent "Ignore" list
ignoring = db.relationship(
"User",
secondary="user_ignores",
primaryjoin="User.id == UserIgnore.ignorer_id",
secondaryjoin="User.id == UserIgnore.ignored_id",
backref=db.backref("ignored_by", lazy="dynamic"),
lazy="dynamic"
)
def __repr__(self):
return f"<User {self.username!r}>"
class UserIgnore(db.Model):
__tablename__ = "user_ignores"
id = db.Column(db.Integer, primary_key=True)
ignorer_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
ignored_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
created_at = db.Column(db.DateTime, default=_utcnow, nullable=False)
__table_args__ = (
db.Index("ix_ignore_pair", "ignorer_id", "ignored_id", unique=True),
)
class Message(db.Model):
__tablename__ = "messages"
id = db.Column(db.Integer, primary_key=True)
sender_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
recipient_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
# AES-GCM ciphertext base64 encoded; server never stores plaintext
encrypted_content = db.Column(db.Text, nullable=False)
# AES-GCM nonce / IV base64 encoded (12 bytes → 16 chars)
nonce = db.Column(db.String(64), nullable=False)
timestamp = db.Column(db.DateTime, default=_utcnow, nullable=False)
__table_args__ = (
# Composite indices for the two common query patterns
db.Index("ix_msg_recipient_ts", "recipient_id", "timestamp"),
db.Index("ix_msg_sender_ts", "sender_id", "timestamp"),
)
def __repr__(self):
return f"<Message {self.sender_id}{self.recipient_id} @ {self.timestamp}>"
class Ban(db.Model):
"""Persisted ban entry survives server restarts."""
__tablename__ = "bans"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), nullable=False, index=True)
ip = db.Column(db.String(45), nullable=True, index=True)
reason = db.Column(db.String(255), nullable=True)
created_at = db.Column(db.DateTime, default=_utcnow, nullable=False)
class Mute(db.Model):
"""Persisted mute entry survives server restarts."""
__tablename__ = "mutes"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False, index=True)
created_at = db.Column(db.DateTime, default=_utcnow, nullable=False)
class VioletHistory(db.Model):
"""Per-user plaintext conversation history with Violet AI."""
__tablename__ = "violet_history"
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
role = db.Column(db.String(10), nullable=False) # 'user' or 'assistant'
text = db.Column(db.Text, nullable=False)
timestamp = db.Column(db.DateTime, default=_utcnow, nullable=False)
__table_args__ = (
db.Index("ix_violet_hist_user_ts", "user_id", "timestamp"),
)