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DeEskalator

Jun 19th, 2025

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18 hours

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/// Process an image and return the first table detected
func extractTable(from image: Data) async throws -> DocumentObservation.Container.Table {
// The Vision request.
let request = RecognizeDocumentsRequest()
// Perform the request on the image data and return the results.
let observations = try await request.perform(on: image)
// Get the first observation from the array.
guard let document = observations.first?.document else {
throw AppError.noDocument
}
// Extract the first table detected.
guard let table = document.tables.first else {
throw AppError.noTable
}
return table
}
/// Extract name, email addresses, and phone number from a table into a list of contacts.
private func parseTable(_ table: DocumentObservation.Container.Table) {
var foundItems = [Contact]()
// Iterate over each row in the table.
for row in table.rows {
// The contact name will be taken from the first column.
guard let firstCell = row.first else {
continue
}
// Extract the text content from the transcript.
let name = firstCell.content.text.transcript
// Look for emails and phone numbers in the remaining cells.
var detectedPhone: String? = nil
var detectedEmail: String? = nil
for cell in row.dropFirst() {
// Get all detected data in the cell, then match emails and phone numbers.
let allDetectedData = cell.content.text.detectedData
for data in allDetectedData {
switch data.match.details {
case .emailAddress(let email):
detectedEmail = email.emailAddress
case .phoneNumber(let phoneNumber):
detectedPhone = phoneNumber.phoneNumber
default:
break
}
}
}
// Create a contact if an email was detected.
if let email = detectedEmail {
let contact = Contact(name: name, email: email, phoneNumber: detectedPhone)
foundItems.append(contact)
}
}
contacts = foundItems
}

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