Add migration

Author: CarsonF

dbschema/migrations/00030.edgeql

@@ -0,0 +1,43 @@
+CREATE MIGRATION m1f6w2tfwomhiwhtzwnpraqfo24x3rnfcpnntt7nxe5f5l7utyjzpa
+    ONTO m1t7atw76jdjhcnrngoj5euzbz7qxve7dokvbhh4x5333yxm5klkwa
+{
+  CREATE MODULE Budget IF NOT EXISTS;
+  CREATE TYPE Budget::Record EXTENDING Project::Child {
+      CREATE REQUIRED LINK organization: default::Organization {
+          ON TARGET DELETE DELETE SOURCE;
+          SET readonly := true;
+      };
+      CREATE REQUIRED PROPERTY fiscalYear: std::int16 {
+          SET readonly := true;
+      };
+      CREATE PROPERTY amount: std::float32;
+  };
+  CREATE SCALAR TYPE Budget::Status EXTENDING enum<Pending, Current, Superceded, Rejected>;
+  CREATE TYPE default::Budget EXTENDING Project::Child {
+      CREATE LINK universalTemplate: default::File;
+      CREATE REQUIRED PROPERTY status: Budget::Status {
+          SET default := (Budget::Status.Pending);
+      };
+  };
+  ALTER TYPE Budget::Record {
+      CREATE REQUIRED LINK budget: default::Budget {
+          ON TARGET DELETE DELETE SOURCE;
+          SET readonly := true;
+      };
+      CREATE CONSTRAINT std::exclusive ON ((.budget, .fiscalYear, .organization));
+  };
+  ALTER TYPE default::Budget {
+      CREATE LINK records := (.<budget[IS Budget::Record]);
+  };
+  ALTER TYPE default::Project {
+      CREATE TRIGGER createBudgetOnInsert
+          AFTER INSERT 
+          FOR EACH DO (INSERT
+              default::Budget
+              {
+                  createdAt := std::datetime_of_statement(),
+                  project := __new__,
+                  projectContext := __new__.projectContext
+              });
+  };
+};