2021-08-17 23:07:52 +00:00
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import { AuthenticationError } from 'apollo-server-micro'
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2021-09-06 22:36:08 +00:00
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import { decodeCursor, LIMIT, nextCursorEncoded } from '../../lib/cursor'
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2021-08-17 18:15:24 +00:00
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export default {
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Query: {
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notifications: async (parent, { cursor }, { me, models }) => {
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const decodedCursor = decodeCursor(cursor)
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2021-08-17 23:59:22 +00:00
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if (!me) {
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throw new AuthenticationError('you must be logged in')
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}
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2021-08-17 18:15:24 +00:00
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/*
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So that we can cursor over results, we union notifications together ...
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this requires we have the same number of columns in all results
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select "Item".id, NULL as earnedSats, "Item".created_at as created_at from
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"Item" JOIN "Item" p ON "Item"."parentId" = p.id AND p."userId" = 622 AND
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"Item"."userId" <> 622 UNION ALL select "Item".id, "Vote".sats as earnedSats,
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"Vote".created_at as created_at FROM "Item" LEFT JOIN "Vote" on
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"Vote"."itemId" = "Item".id AND "Vote"."userId" <> 622 AND "Vote".boost = false
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WHERE "Item"."userId" = 622 ORDER BY created_at DESC;
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Because we want to "collapse" time adjacent votes in the result
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select vote.id, sum(vote."earnedSats") as "earnedSats", max(vote.voted_at)
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as "createdAt" from (select "Item".*, "Vote".sats as "earnedSats",
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"Vote".created_at as voted_at, ROW_NUMBER() OVER(ORDER BY "Vote".created_at) -
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ROW_NUMBER() OVER(PARTITION BY "Item".id ORDER BY "Vote".created_at) as island
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FROM "Item" LEFT JOIN "Vote" on "Vote"."itemId" = "Item".id AND
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"Vote"."userId" <> 622 AND "Vote".boost = false WHERE "Item"."userId" = 622)
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as vote group by vote.id, vote.island order by max(vote.voted_at) desc;
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We can also "collapse" votes occuring within 1 hour intervals of each other
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(I haven't yet combined with the above collapsing method .. but might be
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overkill)
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select "Item".id, sum("Vote".sats) as earnedSats, max("Vote".created_at)
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as created_at, ROW_NUMBER() OVER(ORDER BY max("Vote".created_at)) - ROW_NUMBER()
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OVER(PARTITION BY "Item".id ORDER BY max("Vote".created_at)) as island FROM
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"Item" LEFT JOIN "Vote" on "Vote"."itemId" = "Item".id AND "Vote"."userId" <> 622
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AND "Vote".boost = false WHERE "Item"."userId" = 622 group by "Item".id,
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date_trunc('hour', "Vote".created_at) order by created_at desc;
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*/
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let notifications = await models.$queryRaw(`
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2021-08-20 00:13:32 +00:00
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SELECT ${ITEM_FIELDS}, "Item".created_at as "sortTime", NULL as "earnedSats",
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2021-09-02 22:22:00 +00:00
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false as mention
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FROM "Item"
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JOIN "Item" p ON "Item"."parentId" = p.id
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WHERE p."userId" = $1
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AND "Item"."userId" <> $1 AND "Item".created_at <= $2
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2021-08-17 18:15:24 +00:00
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UNION ALL
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2021-08-20 00:13:32 +00:00
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(SELECT ${ITEM_SUBQUERY_FIELDS}, max(subquery.voted_at) as "sortTime",
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2021-09-02 22:22:00 +00:00
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sum(subquery.sats) as "earnedSats", false as mention
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FROM
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(SELECT ${ITEM_FIELDS}, "Vote".created_at as voted_at, "Vote".sats,
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ROW_NUMBER() OVER(ORDER BY "Vote".created_at) -
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ROW_NUMBER() OVER(PARTITION BY "Item".id ORDER BY "Vote".created_at) as island
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FROM "Vote"
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JOIN "Item" on "Vote"."itemId" = "Item".id
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WHERE "Vote"."userId" <> $1
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AND "Vote".created_at <= $2
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AND "Vote".boost = false
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AND "Item"."userId" = $1) subquery
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GROUP BY ${ITEM_SUBQUERY_FIELDS}, subquery.island ORDER BY max(subquery.voted_at) desc)
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2021-08-18 23:00:54 +00:00
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UNION ALL
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2021-08-20 00:13:32 +00:00
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(SELECT ${ITEM_FIELDS}, "Mention".created_at as "sortTime", NULL as "earnedSats",
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2021-09-02 22:22:00 +00:00
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true as mention
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FROM "Mention"
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JOIN "Item" on "Mention"."itemId" = "Item".id
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JOIN "Item" p on "Item"."parentId" = p.id
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WHERE "Mention"."userId" = $1
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AND "Mention".created_at <= $2
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AND "Item"."userId" <> $1
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AND p."userId" <> $1)
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ORDER BY "sortTime" DESC
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OFFSET $3
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LIMIT ${LIMIT}`, me.id, decodedCursor.time, decodedCursor.offset)
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2021-08-17 18:15:24 +00:00
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notifications = notifications.map(n => {
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n.item = { ...n }
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return n
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})
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2021-08-17 23:59:22 +00:00
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2021-08-20 00:13:32 +00:00
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const { checkedNotesAt } = await models.user.findUnique({ where: { id: me.id } })
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2021-09-06 22:36:08 +00:00
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if (decodedCursor.offset === 0) {
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await models.user.update({ where: { id: me.id }, data: { checkedNotesAt: new Date() } })
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}
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2021-08-17 23:59:22 +00:00
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2021-08-17 18:15:24 +00:00
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return {
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2021-08-20 00:13:32 +00:00
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lastChecked: checkedNotesAt,
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2021-08-17 18:15:24 +00:00
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cursor: notifications.length === LIMIT ? nextCursorEncoded(decodedCursor) : null,
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notifications
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}
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}
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},
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Notification: {
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__resolveType: async (notification, args, { models }) =>
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2021-08-18 23:00:54 +00:00
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notification.earnedSats ? 'Votification' : (notification.mention ? 'Mention' : 'Reply')
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2021-08-17 18:15:24 +00:00
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}
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}
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const ITEM_SUBQUERY_FIELDS =
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`subquery.id, subquery."createdAt", subquery."updatedAt", subquery.title, subquery.text,
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subquery.url, subquery."userId", subquery."parentId", subquery.path`
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const ITEM_FIELDS =
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`"Item".id, "Item".created_at as "createdAt", "Item".updated_at as "updatedAt", "Item".title,
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2021-08-17 23:07:52 +00:00
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"Item".text, "Item".url, "Item"."userId", "Item"."parentId", ltree2text("Item"."path") AS path`
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