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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | 1x 1x 1x 1x 1x 1x 1x 6x 6x 6x 6x 1x 5x 4x 1x 3x 3x 3x 1x 1x 1x | const { DynamoDBClient } = require('@aws-sdk/client-dynamodb')
const { DynamoDBDocumentClient, DeleteCommand, GetCommand } = require('@aws-sdk/lib-dynamodb')
const { requirePermission } = require('../utils/requirePermission')
const client = new DynamoDBClient({})
const docClient = DynamoDBDocumentClient.from(client)
const CORS_HEADERS = {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
}
const unlinkEntityHandler = async (event) => {
try {
const entityId = event.pathParameters?.entityId
const flowId = event.requestContext?.authorizer?.claims?.['custom:flowId']
if (!entityId) {
return {
statusCode: 400,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'Missing entity id' })
}
}
// Verify the link exists before deleting
const existingLink = await docClient.send(
new GetCommand({
TableName: process.env.ENTITY_LINKS_TABLE_NAME,
Key: { flowId, entityId }
})
)
if (!existingLink.Item) {
return {
statusCode: 404,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'Link not found' })
}
}
await docClient.send(
new DeleteCommand({
TableName: process.env.ENTITY_LINKS_TABLE_NAME,
Key: { flowId, entityId }
})
)
console.log('[unlink] Entity unlinked:', { flowId, entityId })
return {
statusCode: 204,
headers: CORS_HEADERS,
body: ''
}
} catch (error) {
console.error('[unlink] Exception:', error.message, error.stack)
return {
statusCode: 500,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'Failed to unlink entity' })
}
}
}
exports.handler = requirePermission(unlinkEntityHandler, {
permission: 'entity:create'
})
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