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Use transaction function in isUniqueFor

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This commit is contained in:
mattwr18 2019-12-11 13:26:18 +01:00
parent 73a5b394d6
commit cc0a33ec7d
1 changed files with 9 additions and 3 deletions
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12
backend/src/middleware/sluggifyMiddleware.js
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@ -4,10 +4,16 @@ const isUniqueFor = (context, type) => {
return async slug => { return async slug => {
const session = context.driver.session() const session = context.driver.session()
try { try {
const response = await session.run(`MATCH(p:${type} {slug: $slug }) return p.slug`, { const existingSlug = await session.readTransaction(transaction => {
slug, return transaction.run(
`
MATCH(p:${type} {slug: $slug })
RETURN p.slug
`,
{ slug },
)
}) })
return response.records.length === 0 return existingSlug.records.length === 0
} finally { } finally {
session.close() session.close()
} }