first commit

app/modules/license/models.py

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+from sqlalchemy import Column, Integer, String, DateTime, Index, Float, Boolean, Text, ForeignKey, Enum as SQLEnum
+from sqlalchemy.sql import func
+from sqlalchemy.orm import relationship
+from database import Base
+
+import enum
+
+
+
+class License(Base):
+    __tablename__ = "license"
+
+    id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
+    titular = Column(Integer, ForeignKey("users.id"), nullable=False)
+
+    begins_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
+    ends_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
+
+    token_license = Column(String(30), nullable=True)
+    location_id = Column(Integer, ForeignKey("location.id"), nullable=False)
+    client_id = Column(Integer, ForeignKey("clients.id"), nullable=False)
+    
+
+
+    #timestamsp
+    created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now(), nullable=True)
+    deleted_at = Column(DateTime(timezone=True), nullable=False)
+
+    #trace
+    created_by = Column(Integer, nullable=True)
+    updated_by = Column(Integer, nullable=True)
+    deleted_by = Column(Integer, nullable=True)
+
+    __table_arg__ = (
+        Index('idx_license_token', 'token_license'),
+        Index('idx_license_client', 'client_id'),
+        Index('idx_license_active', 'is_active'),
+        Index('idx_license_ends_at', 'ends_at'),
+    )
+
+    #Relations
+    client = relationship("Client", foreign_keys=[client_id], back_populates="license")
+    location = relationship("Locations", foreign_keys=[location_id], back_populates="licenses")
+    user = relationship("Users", foreign_keys=[titular], back_populates="licenses")