first commit

app/modules/suppliers/models.py

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+from sqlalchemy import Column, Integer, String, Index, DateTime, Float, Boolean, Text, ForeignKey, Enum as SQLEnum
+from sqlalchemy.sql import func
+from sqlalchemy.orm import relationship
+from database import Base
+
+import enum
+
+class SupplierType(str, enum.Enum):
+    NACIONAL = "nacional"
+    EXTRANJERO = "exttranjero"
+    GLOBAL = "global"
+
+
+class Suppliers(Base):
+    __tablename__ = "suppliers"
+    id = Column(Integer, primary_key=True, nullable=False)
+
+    #Identificacion
+    rfc = Column(String(60), nullable=False, unique=True)
+    email = Column(String(150), nullable=False, unique=True)
+
+    #Datos fiscales
+    short_name = Column(String(255), nullable=True)
+    razon_social = Column(String(255), nullable=False, index=True)
+    fiscal_number = Column(String(15), nullable=False, unique=True)
+    cellphone = Column(String(20), nullable=False)
+
+    supplier_type = Column(SQLEnum(SupplierType, name="suppliertype", create_type=True),
+                            nullable=False, default=SupplierType.NACIONAL)
+
+    location_id = Column(Integer, ForeignKey("location.id"), nullable=True)
+    is_active = Column(Boolean, default=True, 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=True)
+
+    #trace
+    created_by = Column(Integer, nullable=True)
+    updated_by = Column(Integer, nullable=True)
+    deleted_by = Column(Integer, nullable=True)
+
+    #index
+    __table_args__ = (
+        Index('idx_suppliers_client', 'client_id'),
+        Index('idx_suppliers_location', 'location_id'),
+        Index('idx_suppliers_type', 'supplier_type'),
+        Index('idx_suppliers_active', 'is_active'),
+    )
+
+    client = relationship("Client", foreign_keys=[client_id])
+    location = relationship("Locations", foreign_keys=[location_id])