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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | 3x 49x 24x 25x 25x 25x 11x 1x 10x 3x 3x 3x 1x 2x 1x 8x 9x 9x 4x 18x 8x 1x 7x 7x 1x 6x 2x 2x 2x 2x 1x 5x 6x 6x 1x 14x 3x | const { GetCommand } = require('@aws-sdk/lib-dynamodb')
async function validateFieldReference({
docClient,
field,
value,
flowId,
flowMembershipsTableName,
itemsTableName
}) {
if (value === undefined || value === null || value === '') {
return { valid: true }
}
// Normalise to array to handle both single and multi-value fields
const isMultiple = field.reference?.multiple === true
const values = isMultiple && Array.isArray(value) ? value : [value]
if (field.type === 'user') {
if (!flowMembershipsTableName) {
return {
valid: false,
error: 'INVALID_REFERENCE_VALUE',
fieldId: field.fieldId,
referenceType: 'user'
}
}
// Validate multi-value count constraints
if (isMultiple) {
const min = field.reference?.minValues
const max = field.reference?.maxValues
if (min !== undefined && values.length < min) {
return {
valid: false,
error: 'REFERENCE_MIN_VALUES',
fieldId: field.fieldId,
referenceType: 'user'
}
}
if (max !== undefined && values.length > max) {
return {
valid: false,
error: 'REFERENCE_MAX_VALUES',
fieldId: field.fieldId,
referenceType: 'user'
}
}
}
for (const userId of values) {
const membershipResult = await docClient.send(
new GetCommand({
TableName: flowMembershipsTableName,
Key: { userId, flowId }
})
)
if (!membershipResult.Item || membershipResult.Item.status !== 'active') {
return {
valid: false,
error: 'INVALID_REFERENCE_VALUE',
fieldId: field.fieldId,
referenceType: 'user'
}
}
}
}
if (field.type === 'entity_ref') {
if (!itemsTableName) {
return {
valid: false,
error: 'INVALID_REFERENCE_VALUE',
fieldId: field.fieldId,
referenceType: 'entity_ref'
}
}
const entityId = field.reference?.entityId
if (!entityId) {
return {
valid: false,
error: 'MISSING_REFERENCE_ENTITY',
fieldId: field.fieldId,
referenceType: 'entity_ref'
}
}
// Validate multi-value count constraints
if (isMultiple) {
const min = field.reference?.minValues
const max = field.reference?.maxValues
Iif (min !== undefined && values.length < min) {
return {
valid: false,
error: 'REFERENCE_MIN_VALUES',
fieldId: field.fieldId,
referenceType: 'entity_ref'
}
}
if (max !== undefined && values.length > max) {
return {
valid: false,
error: 'REFERENCE_MAX_VALUES',
fieldId: field.fieldId,
referenceType: 'entity_ref'
}
}
}
for (const itemId of values) {
const itemResult = await docClient.send(
new GetCommand({
TableName: itemsTableName,
Key: { entityId, id: itemId }
})
)
if (!itemResult.Item) {
return {
valid: false,
error: 'INVALID_REFERENCE_VALUE',
fieldId: field.fieldId,
referenceType: 'entity_ref'
}
}
}
}
return { valid: true }
}
module.exports = {
validateFieldReference
}
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