add ship views

src/migrations/Migration20240327134507.ts

@@ -0,0 +1,44 @@
+import { Migration } from '@mikro-orm/migrations'
+
+export class Migration20240327134507 extends Migration {
+  async up(): Promise<void> {
+    this.addSql(`DROP VIEW IF EXISTS ships_cargo;
+    DROP VIEW IF EXISTS ships_nav;
+    DROP VIEW IF EXISTS ships;
+    CREATE VIEW ships AS
+    
+        select
+          REPLACE(symbol, agent.data->>'symbol', registration->>'role') as ship, 
+          symbol,
+          nav->>'status' as status,
+          nav->'route'->'destination'->>'symbol' as destination_symbol, 
+          nav->'route'->'destination'->>'type' as destination_type, 
+          date_trunc('second', AGE((nav->'route'->>'arrival')::timestamp, NOW())) as arrival,
+          agent.reset_date
+        from
+          ship
+        JOIN
+          agent on agent.reset_date = ship.reset_date
+    ;
+    CREATE VIEW ships_nav AS
+    SELECT
+      ship,
+      CASE status WHEN 'IN_TRANSIT' THEN '🚀'
+                  WHEN 'DOCKED' THEN '🌕'
+                  ELSE '🌑' END as status,
+      destination_type || ' (' || destination_symbol || ')' as destination,
+      CASE status WHEN 'IN_TRANSIT' then arrival::text else '-' end as arrival,
+      reset_date
+    FROM
+      ships;
+    CREATE VIEW ships_cargo AS
+        select
+          symbol,
+          registration->>'role' as role, 
+          (cargo->>'units')::int as units, 
+          (cargo->>'capacity')::int as capacity, 
+          (cargo->>'units')::float/CASE (cargo->>'capacity')::int WHEN 0 THEN 1 ELSE (cargo->>'capacity')::int END as percent,
+          reset_date
+        from "ship"`)
+  }
+}