♻️ Switch to turborepo (#532)

packages/database/prisma/migrations/20220329102907_add_links/migration.sql

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+-- Create nanoid function
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+CREATE OR REPLACE FUNCTION nanoid(size int DEFAULT 21)
+RETURNS text AS $$
+DECLARE
+  id text := '';
+  i int := 0;
+  urlAlphabet char(64) := 'ModuleSymbhasOwnPr-0123456789ABCDEFGHNRVfgctiUvz_KqYTJkLxpZXIjQW';
+  bytes bytea := gen_random_bytes(size);
+  byte int;
+  pos int;
+BEGIN
+  WHILE i < size LOOP
+    byte := get_byte(bytes, i);
+    pos := (byte & 63) + 1; -- + 1 because substr starts at 1 for some reason
+    id := id || substr(urlAlphabet, pos, 1);
+    i = i + 1;
+  END LOOP;
+  RETURN id;
+END
+$$ LANGUAGE PLPGSQL STABLE;
+
+-- CreateEnum
+CREATE TYPE "Role" AS ENUM ('admin', 'participant');
+
+-- CreateTable
+CREATE TABLE "Link" (
+    "urlId" TEXT NOT NULL,
+    "role" "Role" NOT NULL,
+    "pollId" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Link_pkey" PRIMARY KEY ("urlId")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Link_urlId_key" ON "Link"("urlId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Link_pollId_role_key" ON "Link"("pollId", "role");
+
+-- AddForeignKey
+ALTER TABLE "Link" ADD CONSTRAINT "Link_pollId_fkey" FOREIGN KEY ("pollId") REFERENCES "Poll"("urlId") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+INSERT INTO "Link" ("urlId", "pollId", "role") SELECT "urlId", "urlId", 'admin' as "role" FROM "Poll";
+INSERT INTO "Link" ("urlId", "pollId", "role") SELECT nanoid(), "urlId", 'participant' as "role" FROM "Poll";