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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 | 1x 1x 1x 1x 1x 1x 1x 3x 2x 2x 1x 1x 28x 28x 28x 1x 27x 27x 26x 1x 25x 25x 1x 24x 23x 1x 22x 22x 1x 21x 21x 21x 33x 3x 2x 19x 31x 2x 2x 2x 2x 1x 18x 30x 30x 1x 17x 29x 2x 17x 17x 17x 2x 2x 1x | const { DynamoDBClient } = require('@aws-sdk/client-dynamodb')
const {
DynamoDBDocumentClient,
PutCommand,
GetCommand,
QueryCommand
} = require('@aws-sdk/lib-dynamodb')
const { randomUUID } = require('crypto')
const { authenticateRequest, hasPermission, canAccessEntity } = require('../shared/auth-helper')
const { validateFieldReference } = require('./reference-validation')
const client = new DynamoDBClient({})
const docClient = DynamoDBDocumentClient.from(client)
// Returns true when a field value should be treated as "not provided"
function isEmptyValue(value) {
if (value === undefined || value === null || value === '') return true
if (typeof value === 'object' && !Array.isArray(value)) {
return Object.keys(value).length === 0 || Object.values(value).every((v) => !v || v === '')
}
return false
}
const createItemHandler = async (event) => {
try {
// Authenticate — supports Cognito JWT (gateway or header) and API keys
const auth = await authenticateRequest(event)
if (!auth || auth.error) {
return {
statusCode: 401,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: auth?.error || 'Authentication required' })
}
}
Iif (!hasPermission(auth, 'items:write')) {
return {
statusCode: 403,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Permission denied: items:write required' })
}
}
const body = JSON.parse(event.body || '{}')
if (!body.data) {
return {
statusCode: 400,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Missing required fields: entityId, data' })
}
}
// entityId comes from path parameter; body.entityId kept for backward compatibility
const entityId = event.pathParameters?.entityId || body.entityId
if (!entityId) {
return {
statusCode: 400,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Missing entityId' })
}
}
// Verify entity exists and caller has access
const entityResult = await docClient.send(
new GetCommand({
TableName: process.env.ENTITIES_TABLE_NAME,
Key: { id: entityId }
})
)
if (!entityResult.Item) {
return {
statusCode: 404,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Entity not found' })
}
}
const entity = entityResult.Item
// canAccessEntity handles: public entities, flow ownership, API key allowedEntityIds
if (!canAccessEntity(auth, entity)) {
return {
statusCode: 403,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Access denied to this entity' })
}
}
// For API key with wildcard access, items belong to the entity's owner flow
const flowId =
auth.type === 'apikey' && (auth.allowedEntityIds || []).includes('*')
? entity.flowId
: auth.flowId
const fields = entity.fields || []
// Validate mandatory fields (boolean/workflow types are never required)
for (const field of fields) {
if (field.mandatory && !['boolean', 'workflow'].includes(field.type)) {
if (isEmptyValue(body.data[field.fieldId])) {
return {
statusCode: 400,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'MANDATORY_FIELD_MISSING', fieldId: field.fieldId })
}
}
}
}
// Check uniqueness for fields with unique: true
for (const field of fields) {
if (!field.unique) continue
const value = body.data[field.fieldId]
Iif (value === undefined || value === null || value === '') continue
const existing = await docClient.send(
new QueryCommand({
TableName: process.env.TABLE_NAME,
KeyConditionExpression: 'entityId = :eid',
FilterExpression: '#fieldId = :fieldValue',
ExpressionAttributeNames: { '#fieldId': field.fieldId },
ExpressionAttributeValues: { ':eid': entityId, ':fieldValue': value }
})
)
if (existing.Items && existing.Items.length > 0) {
return {
statusCode: 400,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'UNIQUE_FIELD_CONFLICT', fieldId: field.fieldId })
}
}
}
// Validate foreign-key style references against their target scope.
for (const field of fields) {
const referenceCheck = await validateFieldReference({
docClient,
field,
value: body.data[field.fieldId],
flowId,
flowMembershipsTableName: process.env.FLOW_MEMBERSHIPS_TABLE_NAME,
itemsTableName: process.env.TABLE_NAME
})
if (!referenceCheck.valid) {
return {
statusCode: 400,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({
error: referenceCheck.error,
fieldId: referenceCheck.fieldId,
referenceType: referenceCheck.referenceType
})
}
}
}
// Auto-assign startStateId for workflow fields — always enforced server-side.
// The create form never shows workflow fields, so no client value should be
// trusted here even if one was sent.
for (const field of fields) {
if (field.type === 'workflow' && field.workflowDefinition?.startStateId) {
body.data[field.fieldId] = field.workflowDefinition.startStateId
}
}
const item = {
entityId: entity.id,
id: randomUUID(),
flowId,
createdBy: auth.userId,
createdAt: new Date().toISOString(),
updatedAt: new Date().toISOString(),
...body.data
}
await docClient.send(
new PutCommand({
TableName: process.env.TABLE_NAME,
Item: item
})
)
return {
statusCode: 201,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify(item)
}
} catch (error) {
console.error('Error:', error)
return {
statusCode: 500,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Failed to create item' })
}
}
}
exports.handler = createItemHandler
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