Initial commit

prisma/migrations/202604081200_accounting_periods/migration.sql

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+CREATE TYPE "ExpenseRecurrence" AS ENUM ('NONE', 'MONTHLY');
+
+CREATE TABLE "accounting_periods" (
+  "id" TEXT NOT NULL,
+  "name" TEXT NOT NULL,
+  "starts_at" TIMESTAMP(3) NOT NULL,
+  "ends_at" TIMESTAMP(3) NOT NULL,
+  "is_current" BOOLEAN NOT NULL DEFAULT false,
+  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updated_at" TIMESTAMP(3) NOT NULL,
+  CONSTRAINT "accounting_periods_pkey" PRIMARY KEY ("id")
+);
+
+CREATE UNIQUE INDEX "accounting_periods_name_key" ON "accounting_periods"("name");
+CREATE UNIQUE INDEX "accounting_periods_is_current_key" ON "accounting_periods"("is_current") WHERE "is_current" = true;
+
+INSERT INTO "accounting_periods" (
+  "id",
+  "name",
+  "starts_at",
+  "ends_at",
+  "is_current",
+  "created_at",
+  "updated_at"
+)
+VALUES (
+  'period_current',
+  CONCAT('Haushalt ', EXTRACT(YEAR FROM CURRENT_DATE)::text),
+  date_trunc('year', CURRENT_DATE)::timestamp(3),
+  (date_trunc('year', CURRENT_DATE) + interval '1 year' - interval '1 day')::timestamp(3),
+  true,
+  CURRENT_TIMESTAMP,
+  CURRENT_TIMESTAMP
+);
+
+ALTER TABLE "budgets" ADD COLUMN "period_id" TEXT;
+ALTER TABLE "expenses" ADD COLUMN "period_id" TEXT;
+ALTER TABLE "expenses" ADD COLUMN "recurrence" "ExpenseRecurrence" NOT NULL DEFAULT 'NONE';
+
+UPDATE "budgets"
+SET "period_id" = 'period_current';
+
+UPDATE "expenses"
+SET "period_id" = 'period_current';
+
+ALTER TABLE "budgets" ALTER COLUMN "period_id" SET NOT NULL;
+ALTER TABLE "expenses" ALTER COLUMN "period_id" SET NOT NULL;
+
+DROP INDEX "budgets_working_group_id_name_key";
+CREATE UNIQUE INDEX "budgets_working_group_id_period_id_name_key" ON "budgets"("working_group_id", "period_id", "name");
+
+ALTER TABLE "budgets"
+  ADD CONSTRAINT "budgets_period_id_fkey"
+  FOREIGN KEY ("period_id") REFERENCES "accounting_periods"("id")
+  ON DELETE RESTRICT ON UPDATE CASCADE;
+
+ALTER TABLE "expenses"
+  ADD CONSTRAINT "expenses_period_id_fkey"
+  FOREIGN KEY ("period_id") REFERENCES "accounting_periods"("id")
+  ON DELETE RESTRICT ON UPDATE CASCADE;