add/delete cycle updates, shifting more to socketIO plus support for two device types

migrations/001_add_device_type.sql

@@ -0,0 +1,20 @@
+-- Migration: Add max_ports column to devices table to support different device types
+-- BlindMaster-C6: max_ports = 1 (single servo)
+-- BlindMaster Device: max_ports = 4 (multi-port)
+
+-- Add max_ports column with default value of 4 for existing devices
+ALTER TABLE devices 
+ADD COLUMN max_ports INTEGER NOT NULL DEFAULT 4;
+
+-- Add a check constraint to ensure max_ports is between 1 and 4
+ALTER TABLE devices 
+ADD CONSTRAINT devices_max_ports_check CHECK (max_ports >= 1 AND max_ports <= 4);
+
+-- For existing devices, you may want to set max_ports based on the number of peripherals
+-- Uncomment the following line if you want to auto-detect based on existing peripherals:
+-- UPDATE devices d SET max_ports = GREATEST(1, (SELECT COUNT(*) FROM peripherals p WHERE p.device_id = d.id));
+
+-- Create an index for faster queries
+CREATE INDEX idx_devices_max_ports ON devices(max_ports);
+
+COMMENT ON COLUMN devices.max_ports IS 'Maximum number of ports/peripherals this device supports (1 for C6, 4 for multi-port)';