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denormalize user streak to avoid extra dip

This commit is contained in:
keyan 2023-02-03 14:40:30 -06:00
parent c1080ec4d7
commit 3a9994a9a6
5 changed files with 44 additions and 29 deletions
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9
api/resolvers/user.js
View File

@ -490,15 +490,6 @@ export default {
}
})
},
streak: async (user, args, { models }) => {
const res = await models.$queryRaw`
SELECT (now() at time zone 'America/Chicago')::date - "startedAt" AS days
FROM "Streak"
WHERE "userId" = ${user.id} AND "endedAt" IS NULL
`
return res.length ? res[0].days : null
},
stacked: async (user, { when }, { models }) => {
if (user.stacked) {
return user.stacked

2
prisma/migrations/20230203193108_streak_user_denorm/migration.sql Normal file
View File

@ -0,0 +1,2 @@
-- AlterTable
ALTER TABLE "users" ADD COLUMN "streak" INTEGER;

3
prisma/migrations/20230203193324_streak_update/migration.sql Normal file
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@ -0,0 +1,3 @@
UPDATE users set streak = (now() AT TIME ZONE 'America/Chicago')::date - "Streak"."startedAt"
FROM "Streak"
WHERE "endedAt" IS NULL AND users.id = "Streak"."userId";

3
prisma/schema.prisma
View File

@ -45,6 +45,9 @@ model User {
photoId Int?
photo Upload? @relation(fields: [photoId], references: [id])
// streak
streak Int?
// walkthrough
upvotePopover Boolean @default(false)
tipPopover Boolean @default(false)

56
worker/streak.js
View File

@ -13,33 +13,47 @@ function computeStreaks ({ models }) {
FROM
((SELECT "userId", floor(sum("ItemAct".msats)/1000) as sats_spent
FROM "ItemAct"
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date = (now() AT TIME ZONE 'America/Chicago' - interval '1 day')::date
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date >= (now() AT TIME ZONE 'America/Chicago' - interval '1 day')::date
GROUP BY "userId")
UNION ALL
(SELECT "userId", sats as sats_spent
FROM "Donation"
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date = (now() AT TIME ZONE 'America/Chicago' - interval '1 day')::date
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date >= (now() AT TIME ZONE 'America/Chicago' - interval '1 day')::date
)) spending
GROUP BY "userId"
HAVING sum(sats_spent) >= ${STREAK_THRESHOLD}
), existing_streaks (id) AS (
SELECT "userId"
FROM "Streak"
WHERE "Streak"."endedAt" IS NULL
), existing_streaks (id, started_at) AS (
SELECT "userId", "startedAt"
FROM "Streak"
WHERE "Streak"."endedAt" IS NULL
), new_streaks (id) AS (
SELECT day_streaks.id
FROM day_streaks
LEFT JOIN existing_streaks ON existing_streaks.id = day_streaks.id
WHERE existing_streaks.id IS NULL
SELECT day_streaks.id
FROM day_streaks
LEFT JOIN existing_streaks ON existing_streaks.id = day_streaks.id
WHERE existing_streaks.id IS NULL
), ending_streaks (id) AS (
SELECT existing_streaks.id
FROM existing_streaks
LEFT JOIN day_streaks ON existing_streaks.id = day_streaks.id
WHERE day_streaks.id IS NULL
), streak_insert AS (
INSERT INTO "Streak" ("userId", "startedAt", created_at, updated_at)
SELECT id, (now() AT TIME ZONE 'America/Chicago' - interval '1 day')::date, now_utc(), now_utc()
FROM new_streaks
SELECT existing_streaks.id
FROM existing_streaks
LEFT JOIN day_streaks ON existing_streaks.id = day_streaks.id
WHERE day_streaks.id IS NULL
), extending_streaks (id, started_at) AS (
SELECT existing_streaks.id, existing_streaks.started_at
FROM existing_streaks
JOIN day_streaks ON existing_streaks.id = day_streaks.id
),
-- a bunch of mutations
streak_insert AS (
INSERT INTO "Streak" ("userId", "startedAt", created_at, updated_at)
SELECT id, (now() AT TIME ZONE 'America/Chicago' - interval '1 day')::date, now_utc(), now_utc()
FROM new_streaks
), user_update_new_streaks AS (
UPDATE users SET streak = 1 FROM new_streaks WHERE new_streaks.id = users.id
), user_update_end_streaks AS (
UPDATE users SET streak = NULL FROM ending_streaks WHERE ending_streaks.id = users.id
), user_update_extend_streaks AS (
UPDATE users
SET streak = (now() AT TIME ZONE 'America/Chicago')::date - extending_streaks.started_at
FROM extending_streaks WHERE extending_streaks.id = users.id
)
UPDATE "Streak"
SET "endedAt" = (now() AT TIME ZONE 'America/Chicago' - interval '1 day')::date, updated_at = now_utc()
@ -73,17 +87,19 @@ function checkStreak ({ models }) {
FROM
((SELECT "userId", floor(sum("ItemAct".msats)/1000) as sats_spent
FROM "ItemAct"
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date = (now() AT TIME ZONE 'America/Chicago')::date
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date >= (now() AT TIME ZONE 'America/Chicago')::date
AND "userId" = ${Number(id)}
GROUP BY "userId")
UNION ALL
(SELECT "userId", sats as sats_spent
FROM "Donation"
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date = (now() AT TIME ZONE 'America/Chicago')::date
WHERE (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago')::date >= (now() AT TIME ZONE 'America/Chicago')::date
AND "userId" = ${Number(id)}
)) spending
GROUP BY "userId"
HAVING sum(sats_spent) >= ${STREAK_THRESHOLD}
), user_start_streak AS (
UPDATE users SET streak = 0 FROM streak_started WHERE streak_started.id = users.id
)
INSERT INTO "Streak" ("userId", "startedAt", created_at, updated_at)
SELECT id, (now() AT TIME ZONE 'America/Chicago')::date, now_utc(), now_utc()