Function extractMessageBody

apps/sim/tools/gmail/utils.ts:151–186

(payload: any)

// Helper function to recursively extract message body from MIME parts
export function extractMessageBody(payload: any): string {
  // If the payload has a body with data, decode it
  if (payload.body?.data) {
    return Buffer.from(payload.body.data, 'base64').toString()
  }

  // If there are no parts, return empty string
  if (!payload.parts || !Array.isArray(payload.parts) || payload.parts.length === 0) {
    return ''
  }

  // First try to find a text/plain part
  const textPart = payload.parts.find((part: any) => part.mimeType === 'text/plain')
  if (textPart?.body?.data) {
    return Buffer.from(textPart.body.data, 'base64').toString()
  }

  // If no text/plain, try to find text/html
  const htmlPart = payload.parts.find((part: any) => part.mimeType === 'text/html')
  if (htmlPart?.body?.data) {
    return Buffer.from(htmlPart.body.data, 'base64').toString()
  }

  // If we have multipart/alternative or other complex types, recursively check parts
  for (const part of payload.parts) {
    if (part.parts) {
      const nestedBody = extractMessageBody(part)
      if (nestedBody) {
        return nestedBody
      }
    }
  }

  // If we couldn't find any text content, return empty string
  return ''
}

// Helper function to extract attachment information from message payload
export function extractAttachmentInfo(