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retrieve user names without using slow dataloader

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This commit is contained in:
einhornimmond 2025-12-17 13:58:28 +01:00
parent c3acd21a67
commit 31a6b28c85
3 changed files with 25 additions and 26 deletions
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1
backend/package.json
View File

@ -60,7 +60,6 @@
"core": "*", "core": "*",
"cors": "^2.8.5", "cors": "^2.8.5",
"database": "*", "database": "*",
"dataloader": "^2.2.3",
"decimal.js-light": "^2.5.1", "decimal.js-light": "^2.5.1",
"dotenv": "^10.0.0", "dotenv": "^10.0.0",
"esbuild": "^0.25.2", "esbuild": "^0.25.2",

43
backend/src/graphql/resolver/ContributionResolver.ts
View File

@ -27,7 +27,6 @@ import {
getLastTransaction, getLastTransaction,
UserContact, UserContact,
} from 'database' } from 'database'
import DataLoader from 'dataloader'
import { Decimal } from 'decimal.js-light' import { Decimal } from 'decimal.js-light'
import { GraphQLResolveInfo } from 'graphql' import { GraphQLResolveInfo } from 'graphql'
import { getLogger } from 'log4js' import { getLogger } from 'log4js'
@ -375,28 +374,32 @@ export class ContributionResolver {
) )
const result = new ContributionListResult(count, dbContributions) const result = new ContributionListResult(count, dbContributions)
const dataLoader = new DataLoader(async (userIds: readonly number[]) => {
const uniqueUserIds = new Set<number>() const uniqueUserIds = new Set<number>()
userIds.forEach((userId) => uniqueUserIds.add(userId)) const addIfExist = (userId?: number | null) => {
const users = await findUserNamesByIds(Array.from(uniqueUserIds)) if (userId) {
return userIds.map((userId) => users.get(userId)) uniqueUserIds.add(userId)
}) }
}
const getNameById = (userId?: number | null) => {
if (userId) {
return users.get(userId)
}
return null
}
for (const contribution of result.contributionList) { for (const contribution of result.contributionList) {
if (contribution.confirmedBy) { addIfExist(contribution.confirmedBy)
contribution.confirmedByUserName = await dataLoader.load(contribution.confirmedBy) addIfExist(contribution.updatedBy)
} addIfExist(contribution.moderatorId)
if (contribution.updatedBy) { addIfExist(contribution.deletedBy)
contribution.updatedByUserName = await dataLoader.load(contribution.updatedBy) addIfExist(contribution.deniedBy)
}
if (contribution.moderatorId) {
contribution.moderatorUserName = await dataLoader.load(contribution.moderatorId)
}
if (contribution.deletedBy) {
contribution.deletedByUserName = await dataLoader.load(contribution.deletedBy)
}
if (contribution.deniedBy) {
contribution.deniedByUserName = await dataLoader.load(contribution.deniedBy)
} }
const users = await findUserNamesByIds(Array.from(uniqueUserIds))
for (const contribution of result.contributionList) {
contribution.confirmedByUserName = getNameById(contribution.confirmedBy)
contribution.updatedByUserName = getNameById(contribution.updatedBy)
contribution.moderatorUserName = getNameById(contribution.moderatorId)
contribution.deletedByUserName = getNameById(contribution.deletedBy)
contribution.deniedByUserName = getNameById(contribution.deniedBy)
} }
return result return result
} }

3
bun.lock
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@ -122,7 +122,6 @@
"core": "*", "core": "*",
"cors": "^2.8.5", "cors": "^2.8.5",
"database": "*", "database": "*",
"dataloader": "^2.2.3",
"decimal.js-light": "^2.5.1", "decimal.js-light": "^2.5.1",
"dotenv": "^10.0.0", "dotenv": "^10.0.0",
"esbuild": "^0.25.2", "esbuild": "^0.25.2",
@ -1809,8 +1808,6 @@
"database": ["database@workspace:database"], "database": ["database@workspace:database"],
"dataloader": ["dataloader@2.2.3", "", {}, "sha512-y2krtASINtPFS1rSDjacrFgn1dcUuoREVabwlOGOe4SdxenREqwjwjElAdwvbGM7kgZz9a3KVicWR7vcz8rnzA=="],
"date-fns": ["date-fns@2.30.0", "", { "dependencies": { "@babel/runtime": "^7.21.0" } }, "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw=="], "date-fns": ["date-fns@2.30.0", "", { "dependencies": { "@babel/runtime": "^7.21.0" } }, "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw=="],
"date-format": ["date-format@4.0.14", "", {}, "sha512-39BOQLs9ZjKh0/patS9nrT8wc3ioX3/eA/zgbKNopnF2wCqJEoxywwwElATYvRsXdnOxA/OQeQoFZ3rFjVajhg=="], "date-format": ["date-format@4.0.14", "", {}, "sha512-39BOQLs9ZjKh0/patS9nrT8wc3ioX3/eA/zgbKNopnF2wCqJEoxywwwElATYvRsXdnOxA/OQeQoFZ3rFjVajhg=="],