Files
python-hiring-task/app/models.py
2025-07-03 10:01:56 +03:00

92 lines
2.4 KiB
Python

import uuid
from sqlalchemy import (
Boolean,
Column,
DateTime,
ForeignKey,
PrimaryKeyConstraint,
String,
)
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.database import Base
class User(Base):
__tablename__ = "users"
id = Column(
UUID(as_uuid=True), primary_key=True, index=True, default=uuid.uuid4
)
name = Column(String, nullable=False)
email = Column(String, unique=True, index=True, nullable=False)
password_hash = Column(String(60), nullable=False)
is_verified = Column(Boolean, default=False)
posts = relationship("Post", backref="user")
likes = relationship("Like", backref="user")
created_at = Column(DateTime(timezone=True), server_default=func.now())
updated_at = Column(DateTime(timezone=True), onupdate=func.now())
def __repr__(self):
return f"<User(id={self.id}, name={self.name}, email={self.email}, is_active={self.is_verified}>"
class Post(Base):
__tablename__ = "posts"
id = Column(
UUID(as_uuid=True), primary_key=True, index=True, default=uuid.uuid4
)
user_id = Column(
UUID(as_uuid=True),
ForeignKey("users.id", ondelete="CASCADE"),
nullable=False,
)
content = Column(String(512), nullable=False)
likes = relationship("Like", backref="post")
created_at = Column(
DateTime(timezone=True), server_default=func.now(), index=True
)
updated_at = Column(DateTime(timezone=True), onupdate=func.now())
@property
def time(self):
if self.updated_at:
return self.updated_at
return self.created_at
def __repr__(self):
return f"<Post(id={self.id}, content={self.content[:10]}>"
class Like(Base):
__tablename__ = "post_likes"
user_id = Column(
UUID(as_uuid=True),
ForeignKey("users.id", ondelete="CASCADE"),
nullable=False,
)
post_id = Column(
UUID(as_uuid=True),
ForeignKey("posts.id", ondelete="CASCADE"),
nullable=False,
)
created_at = Column(DateTime(timezone=True), server_default=func.now())
updated_at = Column(DateTime(timezone=True), onupdate=func.now())
__table_args__ = (PrimaryKeyConstraint("user_id", "post_id"),)
def __repr__(self):
return f"<Like(user_id={self.user_id}, post_id={self.post_id}>"