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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 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | 1x 1x 1x 1x 1x 1x 1x 12x 12x 12x 12x 12x 12x 1x 11x 10x 1x 9x 9x 1x 8x 8x 8x 8x 5x 5x 5x 8x 2x 2x 8x 2x 2x 8x 1x 7x 7x 7x 6x 2x 2x | const { DynamoDBClient } = require('@aws-sdk/client-dynamodb')
const { DynamoDBDocumentClient, GetCommand, UpdateCommand } = require('@aws-sdk/lib-dynamodb')
const client = new DynamoDBClient({})
const ddb = DynamoDBDocumentClient.from(client)
const FLOWS_TABLE = process.env.FLOWS_TABLE_NAME
// CORS headers to include in all responses
const CORS_HEADERS = {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Headers':
'Content-Type,Authorization,X-Amz-Date,X-Api-Key,X-Amz-Security-Token',
'Access-Control-Allow-Methods': 'OPTIONS,GET,PUT,POST,DELETE'
}
exports.handler = async (event) => {
console.log('Update Flow Event:', JSON.stringify(event, null, 2))
try {
const flowId = event.pathParameters?.flowId
const userId = event.requestContext.authorizer.claims.sub
const body = JSON.parse(event.body || '{}')
if (!flowId) {
return {
statusCode: 400,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'Flow ID is required' })
}
}
// Fetch the flow
const getFlowResult = await ddb.send(
new GetCommand({
TableName: FLOWS_TABLE,
Key: { id: flowId }
})
)
if (!getFlowResult.Item) {
return {
statusCode: 404,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'Flow not found' })
}
}
const flow = getFlowResult.Item
// Only the owner can update the flow
if (flow.ownerId !== userId) {
return {
statusCode: 403,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'Only the flow owner can update it' })
}
}
// Build update expression
const updateExpressions = []
const expressionAttributeNames = {}
const expressionAttributeValues = {}
if (body.name) {
updateExpressions.push('#name = :name')
expressionAttributeNames['#name'] = 'name'
expressionAttributeValues[':name'] = body.name
}
if (body.defaultLanguage) {
updateExpressions.push('defaultLanguage = :defaultLanguage')
expressionAttributeValues[':defaultLanguage'] = body.defaultLanguage
}
if (body.enabledLanguages) {
updateExpressions.push('enabledLanguages = :enabledLanguages')
expressionAttributeValues[':enabledLanguages'] = body.enabledLanguages
}
if (updateExpressions.length === 0) {
return {
statusCode: 400,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'No fields to update' })
}
}
updateExpressions.push('updatedAt = :updatedAt')
expressionAttributeValues[':updatedAt'] = new Date().toISOString()
// Update the flow
const result = await ddb.send(
new UpdateCommand({
TableName: FLOWS_TABLE,
Key: { id: flowId },
UpdateExpression: `SET ${updateExpressions.join(', ')}`,
ExpressionAttributeNames:
Object.keys(expressionAttributeNames).length > 0 ? expressionAttributeNames : undefined,
ExpressionAttributeValues: expressionAttributeValues,
ReturnValues: 'ALL_NEW'
})
)
return {
statusCode: 200,
headers: CORS_HEADERS,
body: JSON.stringify(result.Attributes)
}
} catch (error) {
console.error('Error updating flow:', error)
return {
statusCode: 500,
headers: CORS_HEADERS,
body: JSON.stringify({ error: 'Failed to update flow', details: error.message })
}
}
}
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