101 lines
3.7 KiB
PL/PgSQL
101 lines
3.7 KiB
PL/PgSQL
-- charge the user for the auction item
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CREATE OR REPLACE FUNCTION run_auction(item_id INTEGER) RETURNS void AS $$
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DECLARE
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bid INTEGER;
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user_id INTEGER;
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user_msats INTEGER;
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item_status "Status";
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status_updated_at timestamp(3);
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BEGIN
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PERFORM ASSERT_SERIALIZED();
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-- extract data we need
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SELECT "maxBid" * 1000, "userId", status, "statusUpdatedAt" INTO bid, user_id, item_status, status_updated_at FROM "Item" WHERE id = item_id;
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SELECT msats INTO user_msats FROM users WHERE id = user_id;
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-- 0 bid items expire after 30 days unless updated
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IF bid = 0 THEN
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IF item_status <> 'STOPPED' AND status_updated_at < now_utc() - INTERVAL '30 days' THEN
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UPDATE "Item" SET status = 'STOPPED', "statusUpdatedAt" = now_utc() WHERE id = item_id;
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END IF;
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RETURN;
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END IF;
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-- check if user wallet has enough sats
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IF bid > user_msats THEN
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-- if not, set status = NOSATS and statusUpdatedAt to now_utc if not already set
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IF item_status <> 'NOSATS' THEN
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UPDATE "Item" SET status = 'NOSATS', "statusUpdatedAt" = now_utc() WHERE id = item_id;
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END IF;
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ELSE
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-- if so, deduct from user
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UPDATE users SET msats = msats - bid WHERE id = user_id;
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-- create an item act
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INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
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VALUES (bid / 1000, item_id, user_id, 'STREAM', now_utc(), now_utc());
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-- update item status = ACTIVE and statusUpdatedAt = now_utc if NOSATS
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IF item_status = 'NOSATS' THEN
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UPDATE "Item" SET status = 'ACTIVE', "statusUpdatedAt" = now_utc() WHERE id = item_id;
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END IF;
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END IF;
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END;
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$$ LANGUAGE plpgsql;
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-- when creating free item, set freebie flag so can be optionally viewed
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CREATE OR REPLACE FUNCTION create_job(
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title TEXT, url TEXT, text TEXT, user_id INTEGER, job_bid INTEGER, job_company TEXT,
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job_location TEXT, job_remote BOOLEAN, job_upload_id INTEGER)
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RETURNS "Item"
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LANGUAGE plpgsql
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AS $$
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DECLARE
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item "Item";
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BEGIN
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PERFORM ASSERT_SERIALIZED();
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-- create item
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SELECT * INTO item FROM create_item(title, url, text, 0, NULL, user_id, NULL, '0');
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-- update by adding additional fields
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UPDATE "Item"
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SET "maxBid" = job_bid, company = job_company, location = job_location, remote = job_remote, "uploadId" = job_upload_id, "subName" = 'jobs'
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WHERE id = item.id RETURNING * INTO item;
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-- run_auction
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EXECUTE run_auction(item.id);
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RETURN item;
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END;
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$$;
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CREATE OR REPLACE FUNCTION update_job(item_id INTEGER,
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item_title TEXT, item_url TEXT, item_text TEXT, job_bid INTEGER, job_company TEXT,
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job_location TEXT, job_remote BOOLEAN, job_upload_id INTEGER, job_status "Status")
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RETURNS "Item"
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LANGUAGE plpgsql
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AS $$
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DECLARE
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user_msats INTEGER;
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item "Item";
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BEGIN
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PERFORM ASSERT_SERIALIZED();
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-- update item
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SELECT * INTO item FROM update_item(item_id, item_title, item_url, item_text, 0, NULL);
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IF item.status <> job_status THEN
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UPDATE "Item"
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SET "maxBid" = job_bid, company = job_company, location = job_location, remote = job_remote, "uploadId" = job_upload_id, status = job_status, "statusUpdatedAt" = now_utc()
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WHERE id = item.id RETURNING * INTO item;
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ELSE
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UPDATE "Item"
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SET "maxBid" = job_bid, company = job_company, location = job_location, remote = job_remote, "uploadId" = job_upload_id
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WHERE id = item.id RETURNING * INTO item;
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END IF;
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-- run_auction
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EXECUTE run_auction(item.id);
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RETURN item;
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END;
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$$; |