first commit

src/model/database_model/model.py

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+from sqlalchemy import Boolean, MetaData, create_engine, String, ForeignKey, Table, Column
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column,relationship
+
+
+engine = create_engine("sqlite:///DB/database.db", echo=True)
+
+'''remember as a boilerplate, or just cp/pst'''
+class Model(DeclarativeBase):
+    metadata = MetaData(naming_convention={
+        "ix": "ix_%(column_0_label)s",
+        "uq": "uq_%(table_name)s_%(column_0_name)s",
+        "ck": "ck_%(table_name)s_%(constraint_name)s",
+        "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
+        "pk": "pk_%(table_name)s",
+    })
+
+class User(Model):
+    __tablename__ = "users"
+    
+    id:Mapped[int] = mapped_column(primary_key=True)
+    name:Mapped[str] = mapped_column(String(64), index=True)
+    last_name:Mapped[str]=mapped_column(String(64), index=True)
+    middle_name:Mapped[str]=mapped_column(String(64), index=True)
+    email:Mapped[str]=mapped_column(String(255), index=True, unique=True)
+    status:Mapped[bool]=mapped_column(Boolean)
+    hashed_password:Mapped[str]=mapped_column(String(255))
+    
+    permissions:Mapped[list["Permissions"]]=relationship(secondary="user_permission", back_populates="user", lazy="selectin")
+    def __repr__(self) -> str:
+        return f"ID: {self.id}, Name: {self.name}, Status: {self.status}"
+    
+user_permission = Table(
+    "user_permission",
+    Model.metadata,
+    Column("user_id", ForeignKey("users.id"), primary_key=True),
+    Column("permission_id", ForeignKey("permissions.id"), primary_key=True),
+)
+
+class Permissions(Model):
+    __tablename__ = "permissions"
+    
+    id:Mapped[int]=mapped_column(primary_key=True, index=True)
+    permission:Mapped[str]=mapped_column(String(255), unique=True)
+    
+    user:Mapped[list['User']]=relationship(secondary="user_permission", back_populates="permissions")
+    def __repr__(self)->str:
+        return f"ID: {self.id}, Permissions: {self.permission}"