Nexus upgrade design and refresh

modules/mining-checker/sql/migrations/003_timezone_utc.sql

@@ -0,0 +1,34 @@
+BEGIN;
+
+ALTER TABLE miningcheck_settings
+ADD COLUMN IF NOT EXISTS display_timezone VARCHAR(64);
+
+UPDATE miningcheck_settings
+SET display_timezone = 'Europe/Berlin'
+WHERE display_timezone IS NULL OR BTRIM(display_timezone) = '';
+
+UPDATE miningcheck_settings
+SET baseline_measured_at = ((baseline_measured_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
+WHERE baseline_measured_at IS NOT NULL;
+
+UPDATE miningcheck_cost_plans
+SET starts_at = ((starts_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
+WHERE starts_at IS NOT NULL;
+
+UPDATE miningcheck_measurements
+SET measured_at = ((measured_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
+WHERE measured_at IS NOT NULL;
+
+UPDATE miningcheck_payouts
+SET payout_at = ((payout_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
+WHERE payout_at IS NOT NULL;
+
+UPDATE miningcheck_purchased_miners
+SET purchased_at = ((purchased_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
+WHERE purchased_at IS NOT NULL;
+
+UPDATE miningcheck_fx_fetches
+SET fetched_at = ((fetched_at AT TIME ZONE 'Europe/Berlin') AT TIME ZONE 'UTC')
+WHERE fetched_at IS NOT NULL;
+
+COMMIT;