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Refactor isAuthor to use transaction function

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This commit is contained in:
mattwr18 2019-12-11 12:56:49 +01:00
parent ca9c58c06b
commit 73a5b394d6
1 changed files with 9 additions and 8 deletions
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17
backend/src/middleware/permissionsMiddleware.js
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@ -47,17 +47,18 @@ const isAuthor = rule({
if (!user) return false
const { id: resourceId } = args
const session = driver.session()
try {
const result = await session.run(
const authorReadTxPromise = session.readTransaction(async transaction => {
const authorTransactionResponse = await transaction.run(
`
MATCH (resource {id: $resourceId})<-[:WROTE]-(author {id: $userId})
RETURN author
`,
MATCH (resource {id: $resourceId})<-[:WROTE]-(author {id: $userId})
RETURN author
`,
{ resourceId, userId: user.id },
)
const [author] = result.records.map(record => {
return record.get('author')
})
return authorTransactionResponse.records.map(record => record.get('author'))
})
try {
const [author] = await authorReadTxPromise
return !!author
} finally {
session.close()