Initial commit — multi-tenant filtering, port constraints, chart bbox

backend/models/org.py

@@ -0,0 +1,52 @@
+"""
+Organization models: Port, Company, BuoyOwnership
+Used for multi-client access control and per-port default views.
+"""
+from sqlalchemy import Column, String, Float, Boolean, DateTime, Text
+from sqlalchemy.sql import func
+from database import Base
+
+
+class Port(Base):
+    """Geographic port / region served by this deployment."""
+    __tablename__ = "ports"
+
+    id           = Column(String, primary_key=True)
+    name         = Column(String, nullable=False)
+    country      = Column(String, default="Colombia")
+    center_lat   = Column(Float, nullable=True)
+    center_lon   = Column(Float, nullable=True)
+    default_zoom = Column(Float, default=12.0)
+    chart_name   = Column(String, nullable=True)   # folder under charts/, e.g. "BAHÍA_DE_CARTAGENA"
+    activo       = Column(Boolean, default=True)
+    creado_en    = Column(DateTime, server_default=func.now())
+
+
+class Company(Base):
+    """Buoy-owner company (client).  Belongs to a home port."""
+    __tablename__ = "companies"
+
+    id            = Column(String, primary_key=True)
+    name          = Column(String, nullable=False)
+    port_id       = Column(String, nullable=True)   # FK → ports.id
+    contact_email = Column(String, nullable=True)
+    contact_phone = Column(String, nullable=True)
+    activa        = Column(Boolean, default=True)
+    notas         = Column(Text, nullable=True)
+    creado_en     = Column(DateTime, server_default=func.now())
+
+
+class BuoyOwnership(Base):
+    """
+    Which company owns (and monitors) a given Aid/MMSI.
+    A company user can see AIS/ATON real-time data only for buoys
+    listed in this table under their company_id.
+    """
+    __tablename__ = "buoy_ownership"
+
+    id         = Column(String, primary_key=True)
+    company_id = Column(String, nullable=False)   # FK → companies.id
+    aid_id     = Column(String, nullable=True)    # FK → aids.id  (nullable if aid not yet in DB)
+    mmsi       = Column(String, nullable=True)    # direct MMSI reference
+    notas      = Column(Text, nullable=True)
+    creado_en  = Column(DateTime, server_default=func.now())