93 lines
2.8 KiB
MySQL
93 lines
2.8 KiB
MySQL
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-- CreateTable
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CREATE TABLE "PollBlindVote" (
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"id" SERIAL NOT NULL,
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"created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
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"updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
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"itemId" INTEGER NOT NULL,
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"userId" INTEGER NOT NULL,
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CONSTRAINT "PollBlindVote_pkey" PRIMARY KEY ("id")
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);
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-- CreateIndex
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CREATE INDEX "PollBlindVote.userId_index" ON "PollBlindVote"("userId");
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-- CreateIndex
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CREATE UNIQUE INDEX "PollBlindVote.itemId_userId_unique" ON "PollBlindVote"("itemId", "userId");
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-- AddForeignKey
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ALTER TABLE "PollBlindVote" ADD CONSTRAINT "PollBlindVote_itemId_fkey" FOREIGN KEY ("itemId") REFERENCES "Item"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "PollBlindVote" ADD CONSTRAINT "PollBlindVote_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- migrate existing poll votes
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INSERT INTO "PollBlindVote" ("itemId", "userId")
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SELECT "itemId", "userId" FROM "PollVote";
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/*
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Warnings:
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- You are about to drop the column `userId` on the `PollVote` table. All the data in the column will be lost.
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*/
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-- DropForeignKey
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ALTER TABLE "PollVote" DROP CONSTRAINT "PollVote_userId_fkey";
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-- DropIndex
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DROP INDEX "PollVote.itemId_userId_unique";
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-- DropIndex
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DROP INDEX "PollVote.userId_index";
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-- AlterTable
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ALTER TABLE "PollVote" DROP COLUMN "userId";
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-- update `poll_vote` function to update both "PollVote" and "PollBlindVote" tables
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-- create poll vote
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-- if user hasn't already voted
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-- charges user item.pollCost
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-- adds POLL to ItemAct
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-- adds PollVote
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-- adds PollBlindVote
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CREATE OR REPLACE FUNCTION poll_vote(option_id INTEGER, user_id INTEGER)
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RETURNS "Item"
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LANGUAGE plpgsql
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AS $$
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DECLARE
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item "Item";
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option "PollOption";
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BEGIN
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PERFORM ASSERT_SERIALIZED();
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SELECT * INTO option FROM "PollOption" where id = option_id;
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IF option IS NULL THEN
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RAISE EXCEPTION 'INVALID_POLL_OPTION';
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END IF;
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SELECT * INTO item FROM "Item" where id = option."itemId";
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IF item IS NULL THEN
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RAISE EXCEPTION 'POLL_DOES_NOT_EXIST';
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END IF;
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IF item."userId" = user_id THEN
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RAISE EXCEPTION 'POLL_OWNER_CANT_VOTE';
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END IF;
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-- no longer check `PollVote` to see if a user has voted. Instead, check `PollBlindVote`
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IF EXISTS (SELECT 1 FROM "PollBlindVote" WHERE "itemId" = item.id AND "userId" = user_id) THEN
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RAISE EXCEPTION 'POLL_VOTE_ALREADY_EXISTS';
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END IF;
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PERFORM item_act(item.id, user_id, 'POLL', item."pollCost");
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INSERT INTO "PollVote" (created_at, updated_at, "itemId", "pollOptionId")
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VALUES (now_utc(), now_utc(), item.id, option_id);
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INSERT INTO "PollBlindVote" (created_at, updated_at, "itemId", "userId")
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VALUES (now_utc(), now_utc(), item.id, user_id);
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RETURN item;
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END;
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$$;
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