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avoid extra dip when getting users

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This commit is contained in:
keyan 2023-05-06 18:17:47 -05:00
parent 347a6a54d2
commit a97f8229b0
3 changed files with 84 additions and 48 deletions
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68
api/resolvers/item.js
View File

@ -28,12 +28,12 @@ async function comments (me, models, id, sort, root) {
}
const filter = await filterClause(me, models)
const [{ item_comments: comments }] = await models.$queryRaw('SELECT item_comments($1, $2, $3, $4)', Number(id), COMMENT_DEPTH_LIMIT, orderBy, filter)
const [{ item_comments: comments }] = await models.$queryRaw('SELECT item_comments($1, $2, $3, $4)', Number(id), COMMENT_DEPTH_LIMIT, filter, orderBy)
return comments
}
export async function getItem (parent, { id }, { me, models }) {
const [item] = await models.$queryRaw(`
const [item] = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE id = $1`, Number(id))
@ -98,7 +98,7 @@ export async function filterClause (me, models) {
}
// greeter mode includes freebies if feebies haven't been flagged
if (user.greeterMode) {
clause = 'AND (NOT "Item".freebie OR ("Item"."weightedVotes" - "Item"."weightedDownVotes" >= 0 AND "Item".freebie)'
clause = ' AND (NOT "Item".freebie OR ("Item"."weightedVotes" - "Item"."weightedDownVotes" >= 0 AND "Item".freebie)'
}
// always include if it's mine
@ -135,6 +135,15 @@ function recentClause (type) {
}
}
async function itemQueryWithUsers (models, query, ...args) {
return await models.$queryRaw(`
SELECT "Item".*, to_json(users.*) as user
FROM (
${query}
) "Item"
JOIN users ON "Item"."userId" = users.id`, ...args)
}
const subClause = (sub, num, table) => {
return sub ? ` AND ${table ? `${table}.` : ''}"subName" = $${num} ` : ''
}
@ -151,7 +160,7 @@ export default {
},
topItems: async (parent, { cursor, sort, when }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const items = await models.$queryRaw(`
const items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1
@ -168,7 +177,7 @@ export default {
},
topComments: async (parent, { cursor, sort, when }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const comments = await models.$queryRaw(`
const comments = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NOT NULL
@ -206,7 +215,7 @@ export default {
throw new UserInputError('no user has that name', { argumentName: 'name' })
}
items = await models.$queryRaw(`
items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "userId" = $1 AND "parentId" IS NULL AND created_at <= $2
@ -218,7 +227,7 @@ export default {
LIMIT ${LIMIT}`, user.id, decodedCursor.time, decodedCursor.offset)
break
case 'recent':
items = await models.$queryRaw(`
items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND created_at <= $1
@ -231,7 +240,7 @@ export default {
LIMIT ${LIMIT}`, decodedCursor.time, decodedCursor.offset, ...subArr)
break
case 'top':
items = await models.$queryRaw(`
items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1
@ -250,7 +259,7 @@ export default {
switch (subFull?.rankingType) {
case 'AUCTION':
items = await models.$queryRaw(`
items = await itemQueryWithUsers(models, `
SELECT *
FROM (
(${SELECT}
@ -280,7 +289,7 @@ export default {
// if there are 21 items, return them ... if not do the unrestricted query
// instead of doing this we should materialize a view ... but this is easier for now
if (decodedCursor.offset === 0) {
items = await models.$queryRaw(`
items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1 AND "Item".created_at > $3
@ -293,7 +302,7 @@ export default {
}
if (decodedCursor.offset !== 0 || items?.length < LIMIT) {
items = await models.$queryRaw(`
items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1
@ -307,7 +316,7 @@ export default {
if (decodedCursor.offset === 0) {
// get pins for the page and return those separately
pins = await models.$queryRaw(`SELECT rank_filter.*
pins = await itemQueryWithUsers(models, `SELECT rank_filter.*
FROM (
${SELECT},
rank() OVER (
@ -331,7 +340,7 @@ export default {
},
allItems: async (parent, { cursor }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const items = await models.$queryRaw(`
const items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
ORDER BY created_at DESC
@ -348,7 +357,7 @@ export default {
return me ? ` AND "userId" <> ${me.id} ` : ''
}
const items = await models.$queryRaw(`
const items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "Item"."weightedVotes" - "Item"."weightedDownVotes" <= -${ITEM_FILTER_THRESHOLD}
@ -367,7 +376,7 @@ export default {
return me ? ` AND "userId" <> ${me.id} ` : ''
}
const items = await models.$queryRaw(`
const items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "Item"."weightedVotes" - "Item"."weightedDownVotes" < 0
@ -384,7 +393,7 @@ export default {
freebieItems: async (parent, { cursor }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const items = await models.$queryRaw(`
const items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "Item".freebie
@ -406,16 +415,14 @@ export default {
})
}
const items = await models.$queryRaw(
`${SELECT}
const items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "userId" = $1
AND "bounty" IS NOT NULL
ORDER BY created_at DESC
OFFSET $2
LIMIT $3`,
user.id, decodedCursor.offset, limit || LIMIT
)
LIMIT $3`, user.id, decodedCursor.offset, limit || LIMIT)
return {
cursor: items.length === (limit || LIMIT) ? nextCursorEncoded(decodedCursor) : null,
@ -431,7 +438,7 @@ export default {
let comments, user
switch (sort) {
case 'recent':
comments = await models.$queryRaw(`
comments = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
JOIN "Item" root ON "Item"."rootId" = root.id
@ -452,7 +459,7 @@ export default {
throw new UserInputError('no user has that name', { argumentName: 'name' })
}
comments = await models.$queryRaw(`
comments = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE "userId" = $1 AND "parentId" IS NOT NULL
@ -463,10 +470,9 @@ export default {
LIMIT ${LIMIT}`, user.id, decodedCursor.time, decodedCursor.offset)
break
case 'top':
comments = await models.$queryRaw(`
comments = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
JOIN "Item" root ON "Item"."rootId" = root.id
WHERE "Item"."parentId" IS NOT NULL AND"Item"."deletedAt" IS NULL
AND "Item".created_at <= $1
${topClause(within)}
@ -492,7 +498,7 @@ export default {
throw new UserInputError('no user has that name', { argumentName: 'name' })
}
const items = await models.$queryRaw(`
const items = await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
JOIN "Bookmark" ON "Bookmark"."itemId" = "Item"."id" AND "Bookmark"."userId" = $1
@ -552,7 +558,7 @@ export default {
similar += '((\\?|#)%)?'
}
return await models.$queryRaw(`
return await itemQueryWithUsers(models, `
${SELECT}
FROM "Item"
WHERE LOWER(url) SIMILAR TO LOWER($1)
@ -880,8 +886,12 @@ export default {
return poll
},
user: async (item, args, { models }) =>
await models.user.findUnique({ where: { id: item.userId } }),
user: async (item, args, { models }) => {
if (item.user) {
return item.user
}
return await models.user.findUnique({ where: { id: item.userId } })
},
fwdUser: async (item, args, { models }) => {
if (!item.fwdUserId) {
return null

2
fragments/items.js
View File

@ -19,11 +19,11 @@ export const ITEM_FIELDS = gql`
otsHash
position
sats
upvotes
boost
bounty
bountyPaidTo
path
upvotes
meSats
meDontLike
meBookmark

26
prisma/migrations/20230506224746_comments_with_user/migration.sql Normal file
View File

@ -0,0 +1,26 @@
CREATE OR REPLACE FUNCTION item_comments(_item_id int, _level int, _where text, _order_by text)
RETURNS jsonb
LANGUAGE plpgsql STABLE PARALLEL SAFE AS
$$
DECLARE
result jsonb;
BEGIN
IF _level < 1 THEN
RETURN '[]'::jsonb;
END IF;
EXECUTE ''
|| 'SELECT COALESCE(jsonb_agg(sub), ''[]''::jsonb) AS comments '
|| 'FROM ( '
|| ' SELECT "Item".*, "Item".created_at AS "createdAt", "Item".updated_at AS "updatedAt", '
|| ' item_comments("Item".id, $2 - 1, $3, $4) AS comments, to_jsonb(users.*) as user '
|| ' FROM "Item" p '
|| ' JOIN "Item" ON "Item"."parentId" = p.id '
|| ' JOIN users ON users.id = "Item"."userId" '
|| ' WHERE p.id = $1 ' || _where || ' '
|| _order_by
|| ' ) sub'
INTO result USING _item_id, _level, _where, _order_by;
RETURN result;
END
$$;