stacker.news/prisma/migrations/20230126214014_bounty_paid_.../migration.sql

123 lines
4.2 KiB
PL/PgSQL

-- This is an empty migration.
-- This is an empty migration.
CREATE OR REPLACE FUNCTION bounty_paid_after_act(item_id INTEGER, user_id INTEGER)
RETURNS INTEGER
LANGUAGE plpgsql
AS $$
DECLARE
root_id INTEGER;
item_bounty INTEGER;
sats_paid INTEGER;
BEGIN
PERFORM ASSERT_SERIALIZED();
-- get root item
SELECT "rootId" INTO root_id FROM "Item" WHERE id = item_id;
-- check if root item is 1. a bounty, 2. actor is the OP, 3. hasn't paid yet
SELECT bounty
INTO item_bounty
FROM "Item"
WHERE id = root_id
AND "userId" = user_id
AND ("bountyPaidTo" IS NULL OR item_id <> any ("bountyPaidTo"));
-- if it is get the bounty amount
IF item_bounty IS NOT NULL THEN
-- check if the cumulative sats sent to this item by user_id is >= to bounty
SELECT coalesce(sum("ItemAct"."msats"), 0)/1000
INTO sats_paid
FROM "ItemAct"
WHERE "ItemAct"."userId" = user_id
AND "ItemAct"."itemId" = item_id
AND "ItemAct".act IN ('TIP','FEE');
IF sats_paid >= item_bounty THEN
UPDATE "Item"
SET "bountyPaidTo" = array_append("bountyPaidTo", item_id)
WHERE id = root_id;
END IF;
END IF;
RETURN 0;
END;
$$;
-- This is an empty migration.
CREATE OR REPLACE FUNCTION item_act(item_id INTEGER, user_id INTEGER, act "ItemActType", act_sats INTEGER)
RETURNS INTEGER
LANGUAGE plpgsql
AS $$
DECLARE
user_msats BIGINT;
act_msats BIGINT;
fee_msats BIGINT;
item_act_id INTEGER;
referrer_id INTEGER;
BEGIN
PERFORM ASSERT_SERIALIZED();
act_msats := act_sats * 1000;
SELECT msats, "referrerId" INTO user_msats, referrer_id FROM users WHERE id = user_id;
IF act_msats > user_msats THEN
RAISE EXCEPTION 'SN_INSUFFICIENT_FUNDS';
END IF;
-- deduct msats from actor
UPDATE users SET msats = msats - act_msats WHERE id = user_id;
IF act = 'VOTE' THEN
RAISE EXCEPTION 'SN_UNSUPPORTED';
END IF;
IF act = 'TIP' THEN
-- call to influence weightedVotes ... we need to do this before we record the acts because
-- the priors acts are taken into account
PERFORM weighted_votes_after_tip(item_id, user_id, act_sats);
-- take 10% and insert as FEE
fee_msats := CEIL(act_msats * 0.1);
act_msats := act_msats - fee_msats;
INSERT INTO "ItemAct" (msats, "itemId", "userId", act, created_at, updated_at)
VALUES (fee_msats, item_id, user_id, 'FEE', now_utc(), now_utc())
RETURNING id INTO item_act_id;
-- add sats to actee's balance and stacked count
UPDATE users
SET msats = msats + act_msats, "stackedMsats" = "stackedMsats" + act_msats
WHERE id = (SELECT COALESCE("fwdUserId", "userId") FROM "Item" WHERE id = item_id)
RETURNING "referrerId" INTO referrer_id;
-- leave the rest as a tip
INSERT INTO "ItemAct" (msats, "itemId", "userId", act, created_at, updated_at)
VALUES (act_msats, item_id, user_id, 'TIP', now_utc(), now_utc());
-- call to denormalize sats and commentSats
PERFORM sats_after_tip(item_id, user_id, act_msats + fee_msats);
-- denormalize bounty paid
PERFORM bounty_paid_after_act(item_id, user_id);
ELSE -- BOOST, POLL, DONT_LIKE_THIS, STREAM
-- call to influence if DONT_LIKE_THIS weightedDownVotes
IF act = 'DONT_LIKE_THIS' THEN
-- make sure they haven't done this before
IF EXISTS (SELECT 1 FROM "ItemAct" WHERE "itemId" = item_id AND "userId" = user_id AND "ItemAct".act = 'DONT_LIKE_THIS') THEN
RAISE EXCEPTION 'SN_DUPLICATE';
END IF;
PERFORM weighted_downvotes_after_act(item_id, user_id, act_sats);
END IF;
INSERT INTO "ItemAct" (msats, "itemId", "userId", act, created_at, updated_at)
VALUES (act_msats, item_id, user_id, act, now_utc(), now_utc())
RETURNING id INTO item_act_id;
END IF;
-- they have a referrer and the referrer isn't the one tipping them
IF referrer_id IS NOT NULL AND user_id <> referrer_id THEN
PERFORM referral_act(referrer_id, item_act_id);
END IF;
RETURN 0;
END;
$$;