ready for test

backend/src/models/mapping.py

@@ -19,6 +19,16 @@ import enum
 
 Base = declarative_base()
 
+# [DEF:ResourceType:Class]
+# @TIER: TRIVIAL
+# @PURPOSE: Enumeration of possible Superset resource types for ID mapping.
+class ResourceType(str, enum.Enum):
+    CHART = "chart"
+    DATASET = "dataset"
+    DASHBOARD = "dashboard"
+# [/DEF:ResourceType:Class]
+
+
 # [DEF:MigrationStatus:Class]
 # @TIER: TRIVIAL
 # @PURPOSE: Enumeration of possible migration job statuses.
@@ -70,6 +80,21 @@ class MigrationJob(Base):
     status = Column(SQLEnum(MigrationStatus), default=MigrationStatus.PENDING)
     replace_db = Column(Boolean, default=False)
     created_at = Column(DateTime(timezone=True), server_default=func.now())
-# [/DEF:MigrationJob:Class]
+# [DEF:ResourceMapping:Class]
+# @TIER: STANDARD
+# @PURPOSE: Maps a universal UUID for a resource to its actual ID on a specific environment.
+# @TEST_DATA: resource_mapping_record -> {'environment_id': 'prod-env-1', 'resource_type': 'chart', 'uuid': '123e4567-e89b-12d3-a456-426614174000', 'remote_integer_id': '42'}
+class ResourceMapping(Base):
+    __tablename__ = "resource_mappings"
+
+    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
+    environment_id = Column(String, ForeignKey("environments.id"), nullable=False)
+    resource_type = Column(SQLEnum(ResourceType), nullable=False)
+    uuid = Column(String, nullable=False)
+    remote_integer_id = Column(String, nullable=False)  # Stored as string to handle potentially large or composite IDs safely, though Superset usually uses integers.
+    resource_name = Column(String, nullable=True) # Used for UI display
+    last_synced_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+# [/DEF:ResourceMapping:Class]
 
 # [/DEF:backend.src.models.mapping:Module]
+