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I dip you dip one db dip

This commit is contained in:
keyan 2023-05-06 20:25:00 -05:00
parent 1c608d42f4
commit 61d57056ed
2 changed files with 100 additions and 32 deletions
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95
api/resolvers/item.js
View File

@ -13,7 +13,7 @@ import { parse } from 'tldts'
import uu from 'url-unshort'
import { amountSchema, bountySchema, commentSchema, discussionSchema, jobSchema, linkSchema, pollSchema, ssValidate } from '../../lib/validate'
async function comments (me, models, id, sort, root) {
async function comments (me, models, id, sort) {
let orderBy
switch (sort) {
case 'top':
@ -28,12 +28,19 @@ 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, $4)', Number(id), COMMENT_DEPTH_LIMIT, filter, orderBy)
if (me) {
const [{ item_comments_with_me: comments }] = await models.$queryRaw(
'SELECT item_comments_with_me($1, $2, $3, $4, $5)', Number(id), Number(me.id), COMMENT_DEPTH_LIMIT, filter, orderBy)
return comments
}
const [{ item_comments: comments }] = await models.$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 itemQueryWithUsers(models, `
const [item] = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE id = $1`, Number(id))
@ -135,13 +142,34 @@ function recentClause (type) {
}
}
async function itemQueryWithUsers (models, query, ...args) {
return await models.$queryRaw(`
SELECT "Item".*, to_json(users.*) as user
FROM (
${query}
) "Item"
JOIN users ON "Item"."userId" = users.id`, ...args)
// this grabs all the stuff we need to display the item list and only
// hits the db once
async function itemQueryWithMeta (me, models, query, ...args) {
if (!me) {
return await models.$queryRaw(`
SELECT "Item".*, to_json(users.*) as user
FROM (
${query}
) "Item"
JOIN users ON "Item"."userId" = users.id`, ...args)
} else {
return await models.$queryRaw(`
SELECT "Item".*, to_json(users.*) as user, COALESCE("ItemAct"."meMsats", 0) as "meMsats",
COALESCE("ItemAct"."meDontLike", false) as "meDontLike", "Bookmark"."itemId" IS NOT NULL AS "meBookmark"
FROM (
${query}
) "Item"
JOIN users ON "Item"."userId" = users.id
LEFT JOIN "Bookmark" ON "Bookmark"."itemId" = "Item".id AND "Bookmark"."userId" = ${me.id}
LEFT JOIN LATERAL (
SELECT "itemId", sum("ItemAct".msats) FILTER (WHERE act = 'FEE' OR act = 'TIP') AS "meMsats",
bool_or(act = 'DONT_LIKE_THIS') AS "meDontLike"
FROM "ItemAct"
WHERE "ItemAct"."userId" = ${me.id}
AND "ItemAct"."itemId" = "Item".id
GROUP BY "ItemAct"."itemId"
) "ItemAct" ON true`, ...args)
}
}
const subClause = (sub, num, table) => {
@ -160,7 +188,7 @@ export default {
},
topItems: async (parent, { cursor, sort, when }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const items = await itemQueryWithUsers(models, `
const items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1
@ -177,7 +205,7 @@ export default {
},
topComments: async (parent, { cursor, sort, when }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const comments = await itemQueryWithUsers(models, `
const comments = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NOT NULL
@ -215,7 +243,7 @@ export default {
throw new UserInputError('no user has that name', { argumentName: 'name' })
}
items = await itemQueryWithUsers(models, `
items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "userId" = $1 AND "parentId" IS NULL AND created_at <= $2
@ -227,7 +255,7 @@ export default {
LIMIT ${LIMIT}`, user.id, decodedCursor.time, decodedCursor.offset)
break
case 'recent':
items = await itemQueryWithUsers(models, `
items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND created_at <= $1
@ -240,7 +268,7 @@ export default {
LIMIT ${LIMIT}`, decodedCursor.time, decodedCursor.offset, ...subArr)
break
case 'top':
items = await itemQueryWithUsers(models, `
items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1
@ -259,7 +287,7 @@ export default {
switch (subFull?.rankingType) {
case 'AUCTION':
items = await itemQueryWithUsers(models, `
items = await itemQueryWithMeta(me, models, `
SELECT *
FROM (
(${SELECT}
@ -289,7 +317,7 @@ 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 itemQueryWithUsers(models, `
items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1 AND "Item".created_at > $3
@ -302,7 +330,7 @@ export default {
}
if (decodedCursor.offset !== 0 || items?.length < LIMIT) {
items = await itemQueryWithUsers(models, `
items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "parentId" IS NULL AND "Item".created_at <= $1
@ -316,7 +344,7 @@ export default {
if (decodedCursor.offset === 0) {
// get pins for the page and return those separately
pins = await itemQueryWithUsers(models, `SELECT rank_filter.*
pins = await itemQueryWithMeta(me, models, `SELECT rank_filter.*
FROM (
${SELECT},
rank() OVER (
@ -340,7 +368,7 @@ export default {
},
allItems: async (parent, { cursor }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const items = await itemQueryWithUsers(models, `
const items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
ORDER BY created_at DESC
@ -357,7 +385,7 @@ export default {
return me ? ` AND "userId" <> ${me.id} ` : ''
}
const items = await itemQueryWithUsers(models, `
const items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "Item"."weightedVotes" - "Item"."weightedDownVotes" <= -${ITEM_FILTER_THRESHOLD}
@ -376,7 +404,7 @@ export default {
return me ? ` AND "userId" <> ${me.id} ` : ''
}
const items = await itemQueryWithUsers(models, `
const items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "Item"."weightedVotes" - "Item"."weightedDownVotes" < 0
@ -393,7 +421,7 @@ export default {
freebieItems: async (parent, { cursor }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const items = await itemQueryWithUsers(models, `
const items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "Item".freebie
@ -405,7 +433,7 @@ export default {
items
}
},
getBountiesByUserName: async (parent, { name, cursor, limit }, { models }) => {
getBountiesByUserName: async (parent, { name, cursor, limit }, { me, models }) => {
const decodedCursor = decodeCursor(cursor)
const user = await models.user.findUnique({ where: { name } })
@ -415,7 +443,7 @@ export default {
})
}
const items = await itemQueryWithUsers(models, `
const items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "userId" = $1
@ -438,7 +466,7 @@ export default {
let comments, user
switch (sort) {
case 'recent':
comments = await itemQueryWithUsers(models, `
comments = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
JOIN "Item" root ON "Item"."rootId" = root.id
@ -459,7 +487,7 @@ export default {
throw new UserInputError('no user has that name', { argumentName: 'name' })
}
comments = await itemQueryWithUsers(models, `
comments = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "userId" = $1 AND "parentId" IS NOT NULL
@ -470,7 +498,7 @@ export default {
LIMIT ${LIMIT}`, user.id, decodedCursor.time, decodedCursor.offset)
break
case 'top':
comments = await itemQueryWithUsers(models, `
comments = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE "Item"."parentId" IS NOT NULL AND"Item"."deletedAt" IS NULL
@ -498,7 +526,7 @@ export default {
throw new UserInputError('no user has that name', { argumentName: 'name' })
}
const items = await itemQueryWithUsers(models, `
const items = await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
JOIN "Bookmark" ON "Bookmark"."itemId" = "Item"."id" AND "Bookmark"."userId" = $1
@ -532,7 +560,7 @@ export default {
return res
},
dupes: async (parent, { url }, { models }) => {
dupes: async (parent, { url }, { me, models }) => {
const urlObj = new URL(ensureProtocol(url))
let uri = urlObj.hostname + urlObj.pathname
uri = uri.endsWith('/') ? uri.slice(0, -1) : uri
@ -558,7 +586,7 @@ export default {
similar += '((\\?|#)%)?'
}
return await itemQueryWithUsers(models, `
return await itemQueryWithMeta(me, models, `
${SELECT}
FROM "Item"
WHERE LOWER(url) SIMILAR TO LOWER($1)
@ -902,13 +930,14 @@ export default {
if (item.comments) {
return item.comments
}
return comments(me, models, item.id, item.pinId ? 'recent' : 'hot', item)
return comments(me, models, item.id, item.pinId ? 'recent' : 'hot')
},
wvotes: async (item) => {
return item.weightedVotes - item.weightedDownVotes
},
meSats: async (item, args, { me, models }) => {
if (!me) return 0
if (typeof item.meMsats === 'number') return msatsToSats(item.meMsats)
const { sum: { msats } } = await models.itemAct.aggregate({
sum: {
@ -932,6 +961,7 @@ export default {
},
meDontLike: async (item, args, { me, models }) => {
if (!me) return false
if (typeof item.meDontLike === 'boolean') return item.meDontLike
const dontLike = await models.itemAct.findFirst({
where: {
@ -945,6 +975,7 @@ export default {
},
meBookmark: async (item, args, { me, models }) => {
if (!me) return false
if (typeof item.meBookmark === 'boolean') return item.meBookmark
const bookmark = await models.bookmark.findUnique({
where: {

37
prisma/migrations/20230507005859_comments_func_meta/migration.sql Normal file
View File

@ -0,0 +1,37 @@
CREATE OR REPLACE FUNCTION item_comments_with_me(_item_id int, _me_id int, _level int, _where text, _order_by text)
RETURNS jsonb
LANGUAGE plpgsql STABLE PARALLEL SAFE AS
$$
DECLARE
result jsonb;
BEGIN
IF _level < 1 THEN
RETURN '[]'::jsonb;
END IF;
EXECUTE ''
|| 'SELECT COALESCE(jsonb_agg(sub), ''[]''::jsonb) AS comments '
|| 'FROM ( '
|| ' SELECT "Item".*, "Item".created_at AS "createdAt", "Item".updated_at AS "updatedAt", '
|| ' item_comments_with_me("Item".id, $5, $2 - 1, $3, $4) AS comments, to_jsonb(users.*) as user, '
|| ' COALESCE("ItemAct"."meMsats", 0) AS "meMsats", COALESCE("ItemAct"."meDontLike", false) AS "meDontLike", '
|| ' "Bookmark"."itemId" IS NOT NULL AS "meBookmark" '
|| ' FROM "Item" p '
|| ' JOIN "Item" ON "Item"."parentId" = p.id '
|| ' JOIN users ON users.id = "Item"."userId" '
|| ' LEFT JOIN "Bookmark" ON "Bookmark"."itemId" = "Item".id AND "Bookmark"."userId" = $5 '
|| ' LEFT JOIN LATERAL ( '
|| ' SELECT "itemId", sum("ItemAct".msats) FILTER (WHERE act = ''FEE'' OR act = ''TIP'') AS "meMsats", '
|| ' bool_or(act = ''DONT_LIKE_THIS'') AS "meDontLike" '
|| ' FROM "ItemAct" '
|| ' WHERE "ItemAct"."userId" = $5 '
|| ' AND "ItemAct"."itemId" = "Item".id '
|| ' GROUP BY "ItemAct"."itemId" '
|| ' ) "ItemAct" ON true '
|| ' WHERE p.id = $1 ' || _where || ' '
|| _order_by
|| ' ) sub'
INTO result USING _item_id, _level, _where, _order_by, _me_id;
RETURN result;
END
$$;