Upload a file to LogicalDOC DMS using a REST post request

upload_doc.groovy

@Grapes([
  @Grab('org.slf4j:slf4j-simple:1.7.25'),
  @Grab('io.github.http-builder-ng:http-builder-ng-okhttp:1.0.4')
])

import groovyx.net.http.OkHttpBuilder
import groovyx.net.http.OkHttpEncoders
import groovyx.net.http.MultipartContent
import static groovyx.net.http.HttpBuilder.configure


String BASE_URL = '[HOST_ENDPOINT]'
String URI_DOC_UPLOAD = '/logicaldoc/services/rest/document/upload'


// Get list of folders
def folders = OkHttpBuilder.configure {
    request.uri = "${BASE_URL}/logicaldoc/services/rest/folder/listChildren?folderId=4"
    request.auth.basic 'admin', 'admin'
    request.contentType = 'application/json'
}.get()

println(folders)

File docFile = new File('/full/path/to/doc/document.pdf')


// Upload a file (okhttp)
def text = OkHttpBuilder.configure {
    request.uri = BASE_URL
    request.auth.basic '[USERNAME]', '[PASSWORD]'
//    request.encoder('application/pdf'){ ChainedHttpConfig config, ToServer req->
//        req.toServer(new FileInputStream(docFile))
//    }
}.post {
  request.uri.path = URI_DOC_UPLOAD
  request.contentType = 'multipart/form-data'
  request.body = MultipartContent.multipart {
    field 'folderId', '4'
    field 'filename', docFile.name
    field 'language', 'en'
    part 'filedata', 'filename', 'application/octet-stream', docFile
  }
  request.encoder 'multipart/form-data', OkHttpEncoders.&multipart
}

println(text)