Initial commit

prisma/migrations/202604070001_init/migration.sql

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+CREATE TYPE "Role" AS ENUM ('ADMIN', 'FINANCE', 'MEMBER');
+CREATE TYPE "ApprovalType" AS ENUM ('CHAIR_A', 'CHAIR_B', 'FINANCE');
+CREATE TYPE "ApprovalStatus" AS ENUM ('PENDING', 'APPROVED');
+
+CREATE TABLE "working_groups" (
+  "id" TEXT NOT NULL,
+  "name" TEXT NOT NULL,
+  "total_budget" DECIMAL(10,2) NOT NULL,
+  "color_code" TEXT NOT NULL,
+  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updated_at" TIMESTAMP(3) NOT NULL,
+  CONSTRAINT "working_groups_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "users" (
+  "id" TEXT NOT NULL,
+  "name" TEXT NOT NULL,
+  "email" TEXT NOT NULL,
+  "password_hash" TEXT NOT NULL,
+  "role" "Role" NOT NULL,
+  "approval_preference" "ApprovalType",
+  "working_group_id" TEXT,
+  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updated_at" TIMESTAMP(3) NOT NULL,
+  CONSTRAINT "users_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "expenses" (
+  "id" TEXT NOT NULL,
+  "title" TEXT NOT NULL,
+  "amount" DECIMAL(10,2) NOT NULL,
+  "creator_id" TEXT NOT NULL,
+  "ag_id" TEXT NOT NULL,
+  "approval_status" "ApprovalStatus" NOT NULL DEFAULT 'PENDING',
+  "paid_at" TIMESTAMP(3),
+  "documented_at" TIMESTAMP(3),
+  "proof_url" TEXT,
+  "notes" TEXT,
+  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updated_at" TIMESTAMP(3) NOT NULL,
+  CONSTRAINT "expenses_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "approvals" (
+  "id" TEXT NOT NULL,
+  "expense_id" TEXT NOT NULL,
+  "user_id" TEXT NOT NULL,
+  "approval_type" "ApprovalType" NOT NULL,
+  "timestamp" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  CONSTRAINT "approvals_pkey" PRIMARY KEY ("id")
+);
+
+CREATE UNIQUE INDEX "working_groups_name_key" ON "working_groups"("name");
+CREATE UNIQUE INDEX "users_email_key" ON "users"("email");
+CREATE UNIQUE INDEX "approvals_expense_id_approval_type_key" ON "approvals"("expense_id", "approval_type");
+
+ALTER TABLE "users"
+  ADD CONSTRAINT "users_working_group_id_fkey"
+  FOREIGN KEY ("working_group_id") REFERENCES "working_groups"("id")
+  ON DELETE SET NULL ON UPDATE CASCADE;
+
+ALTER TABLE "expenses"
+  ADD CONSTRAINT "expenses_creator_id_fkey"
+  FOREIGN KEY ("creator_id") REFERENCES "users"("id")
+  ON DELETE RESTRICT ON UPDATE CASCADE;
+
+ALTER TABLE "expenses"
+  ADD CONSTRAINT "expenses_ag_id_fkey"
+  FOREIGN KEY ("ag_id") REFERENCES "working_groups"("id")
+  ON DELETE CASCADE ON UPDATE CASCADE;
+
+ALTER TABLE "approvals"
+  ADD CONSTRAINT "approvals_expense_id_fkey"
+  FOREIGN KEY ("expense_id") REFERENCES "expenses"("id")
+  ON DELETE CASCADE ON UPDATE CASCADE;
+
+ALTER TABLE "approvals"
+  ADD CONSTRAINT "approvals_user_id_fkey"
+  FOREIGN KEY ("user_id") REFERENCES "users"("id")
+  ON DELETE CASCADE ON UPDATE CASCADE;
+