[NOTICKET][DB] add supported dbtype for frontend

src/api/v1/db_client.py

@@ -117,11 +117,122 @@ class DatabaseClientResponse(BaseModel):
     model_config = {"from_attributes": True}
 
 
+# ---------------------------------------------------------------------------
+# Supported DB types registry
+# ---------------------------------------------------------------------------
+
+_DB_TYPES: List[Dict[str, Any]] = [
+    {
+        "db_type": "postgres",
+        "display_name": "PostgreSQL",
+        "logo": "postgres",
+        "status": "active",
+        "message": None,
+        "fields": [
+            {"name": "host", "type": "string", "required": True, "default": None, "description": "Hostname or IP address"},
+            {"name": "port", "type": "integer", "required": False, "default": 5432, "description": "Port number"},
+            {"name": "database", "type": "string", "required": True, "default": None, "description": "Database name"},
+            {"name": "username", "type": "string", "required": True, "default": None, "description": "Database username"},
+            {"name": "password", "type": "string", "required": True, "default": None, "description": "Database password", "sensitive": True},
+            {"name": "ssl_mode", "type": "select", "required": False, "default": "require", "description": "SSL mode", "options": ["disable", "require", "verify-ca", "verify-full"]},
+        ],
+    },
+    {
+        "db_type": "mysql",
+        "display_name": "MySQL",
+        "logo": "mysql",
+        "status": "active",
+        "message": None,
+        "fields": [
+            {"name": "host", "type": "string", "required": True, "default": None, "description": "Hostname or IP address"},
+            {"name": "port", "type": "integer", "required": False, "default": 3306, "description": "Port number"},
+            {"name": "database", "type": "string", "required": True, "default": None, "description": "Database name"},
+            {"name": "username", "type": "string", "required": True, "default": None, "description": "Database username"},
+            {"name": "password", "type": "string", "required": True, "default": None, "description": "Database password", "sensitive": True},
+            {"name": "ssl", "type": "boolean", "required": False, "default": True, "description": "Enable SSL"},
+        ],
+    },
+    {
+        "db_type": "supabase",
+        "display_name": "Supabase",
+        "logo": "supabase",
+        "status": "active",
+        "message": None,
+        "fields": [
+            {"name": "host", "type": "string", "required": True, "default": None, "description": "Supabase database host"},
+            {"name": "port", "type": "integer", "required": False, "default": 5432, "description": "Port number (5432 direct, 6543 pooler)"},
+            {"name": "database", "type": "string", "required": False, "default": "postgres", "description": "Database name"},
+            {"name": "username", "type": "string", "required": True, "default": None, "description": "Database user"},
+            {"name": "password", "type": "string", "required": True, "default": None, "description": "Database password", "sensitive": True},
+            {"name": "ssl_mode", "type": "select", "required": False, "default": "require", "description": "SSL mode", "options": ["require", "verify-ca", "verify-full"]},
+        ],
+    },
+    {
+        "db_type": "sqlserver",
+        "display_name": "SQL Server",
+        "logo": "sqlserver",
+        "status": "inactive",
+        "message": "Coming soon",
+        "fields": [
+            {"name": "host", "type": "string", "required": True, "default": None, "description": "Hostname or IP address"},
+            {"name": "port", "type": "integer", "required": False, "default": 1433, "description": "Port number"},
+            {"name": "database", "type": "string", "required": True, "default": None, "description": "Database name"},
+            {"name": "username", "type": "string", "required": True, "default": None, "description": "Database username"},
+            {"name": "password", "type": "string", "required": True, "default": None, "description": "Database password", "sensitive": True},
+            {"name": "driver", "type": "string", "required": False, "default": None, "description": "ODBC driver name"},
+        ],
+    },
+    {
+        "db_type": "bigquery",
+        "display_name": "BigQuery",
+        "logo": "bigquery",
+        "status": "inactive",
+        "message": "Coming soon",
+        "fields": [
+            {"name": "project_id", "type": "string", "required": True, "default": None, "description": "GCP project ID"},
+            {"name": "dataset_id", "type": "string", "required": True, "default": None, "description": "BigQuery dataset name"},
+            {"name": "location", "type": "string", "required": False, "default": "US", "description": "Dataset location/region"},
+            {"name": "service_account_json", "type": "string", "required": True, "default": None, "description": "GCP Service Account key JSON", "sensitive": True},
+        ],
+    },
+    {
+        "db_type": "snowflake",
+        "display_name": "Snowflake",
+        "logo": "snowflake",
+        "status": "inactive",
+        "message": "Coming soon",
+        "fields": [
+            {"name": "account", "type": "string", "required": True, "default": None, "description": "Snowflake account identifier"},
+            {"name": "warehouse", "type": "string", "required": True, "default": None, "description": "Virtual warehouse name"},
+            {"name": "database", "type": "string", "required": True, "default": None, "description": "Database name"},
+            {"name": "schema", "type": "string", "required": False, "default": "PUBLIC", "description": "Schema name"},
+            {"name": "username", "type": "string", "required": True, "default": None, "description": "Snowflake username"},
+            {"name": "password", "type": "string", "required": True, "default": None, "description": "Snowflake password", "sensitive": True},
+            {"name": "role", "type": "string", "required": False, "default": None, "description": "Snowflake role"},
+        ],
+    },
+]
+
+
 # ---------------------------------------------------------------------------
 # Endpoints
 # ---------------------------------------------------------------------------
 
 
+@router.get(
+    "/database-clients/dbtypes",
+    summary="List supported database types",
+    response_description="All database types supported by DataEyond with their connection parameters.",
+)
+async def list_db_types():
+    """
+    Return every database type DataEyond can connect to, along with the
+    credential fields the frontend should render, a logo filename, and
+    an active/inactive status with an optional message.
+    """
+    return _DB_TYPES
+
+
 @router.post(
     "/database-clients",
     response_model=DatabaseClientResponse,
@@ -335,9 +446,14 @@ async def ingest_database_client(
     if client.user_id != user_id:
         raise HTTPException(status_code=403, detail="Access denied")
 
-    creds = decrypt_credentials_dict(client.credentials)
+    if client.status != "active":
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT,
+            detail="Cannot ingest from an inactive database connection.",
+        )
 
     try:
+        creds = decrypt_credentials_dict(client.credentials)
         with db_pipeline_service.engine_scope(
             db_type=client.db_type,
             credentials=creds,