83 lines
3.0 KiB
Python
83 lines
3.0 KiB
Python
"""
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models.py – SQLAlchemy ORM models for SexyChat.
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Tables
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------
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users – Registered accounts
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messages – Encrypted PM history (user↔user and user↔AI)
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"""
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from datetime import datetime
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from database import db
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class User(db.Model):
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__tablename__ = "users"
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(20), unique=True, nullable=False, index=True)
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password_hash = db.Column(db.String(128), nullable=False)
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email = db.Column(db.String(255), unique=True, nullable=True)
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has_ai_access = db.Column(db.Boolean, default=False, nullable=False)
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ai_messages_used = db.Column(db.Integer, default=0, nullable=False)
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is_verified = db.Column(db.Boolean, default=False, nullable=False)
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created_at = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
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sent_messages = db.relationship(
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"Message", foreign_keys="Message.sender_id",
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backref="sender", lazy="dynamic",
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)
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received_messages = db.relationship(
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"Message", foreign_keys="Message.recipient_id",
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backref="recipient", lazy="dynamic",
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)
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# Persistent "Ignore" list
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ignoring = db.relationship(
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"User",
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secondary="user_ignores",
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primaryjoin="User.id == UserIgnore.ignorer_id",
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secondaryjoin="User.id == UserIgnore.ignored_id",
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backref=db.backref("ignored_by", lazy="dynamic"),
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lazy="dynamic"
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)
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def __repr__(self):
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return f"<User {self.username!r}>"
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class UserIgnore(db.Model):
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__tablename__ = "user_ignores"
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id = db.Column(db.Integer, primary_key=True)
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ignorer_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
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ignored_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
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created_at = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
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__table_args__ = (
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db.Index("ix_ignore_pair", "ignorer_id", "ignored_id", unique=True),
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)
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class Message(db.Model):
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__tablename__ = "messages"
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id = db.Column(db.Integer, primary_key=True)
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sender_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
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recipient_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
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# AES-GCM ciphertext – base64 encoded; server never stores plaintext
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encrypted_content = db.Column(db.Text, nullable=False)
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# AES-GCM nonce / IV – base64 encoded (12 bytes → 16 chars)
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nonce = db.Column(db.String(64), nullable=False)
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timestamp = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
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__table_args__ = (
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# Composite indices for the two common query patterns
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db.Index("ix_msg_recipient_ts", "recipient_id", "timestamp"),
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db.Index("ix_msg_sender_ts", "sender_id", "timestamp"),
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)
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def __repr__(self):
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return f"<Message {self.sender_id}→{self.recipient_id} @ {self.timestamp}>"
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