Coverage Summary for Class: FileFormInput (kweb.html.fileUpload)

 package kweb.html.fileUpload
 
 
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonPrimitive
 import kweb.Element
 import kweb.util.random
 import mu.KotlinLogging
 import kotlin.math.abs
 
 private val logger = KotlinLogging.logger {}
 
 class FileFormInput {
 
     private lateinit var _inputElement: Element
 
     val inputElement: Element
         get() = _inputElement
 
 
     fun setInputElement(e: Element) {
         this._inputElement = e
     }
 
     fun setAccept(acceptedTypes: String): Unit {
         inputElement.browser.callJsFunction(
             """document.getElementById({}).accept = {};""",
             JsonPrimitive(inputElement.id),
             JsonPrimitive(acceptedTypes)
         )
     }
 
     fun isMultiSelect(isMultiple: Boolean): Unit {
         inputElement.browser.callJsFunction(
             "document.getElementById({}).multiple = {}", JsonPrimitive(inputElement.id), JsonPrimitive(isMultiple)
         )
     }
 
     fun onFileSelect(onFileSelectCallback: () -> Unit) {
         inputElement.on.change { _ ->
             onFileSelectCallback()
         }
     }
 
     fun retrieveFile(onFileRetrieveCallback: (FileUpload) -> Unit) {
         val callbackId = abs(random.nextInt())
 
         val js = """
                 let fd = document.getElementById({}).files[0]
                 let fr = new FileReader()
                 fr.readAsDataURL(fd)
                 fr.onload = function(){
                     callbackWs({}, {base64Content: fr.result, fileSize: fd.size, fileName: fd.name});
                 }
             """.trimIndent()
 
         inputElement.browser.callJsFunctionWithCallback(js, callbackId, callback = { result ->
             logger.info("Result is $result")
             onFileRetrieveCallback(Json.decodeFromString(FileUpload.serializer(), result.toString()))
         }, JsonPrimitive(inputElement.id), JsonPrimitive(callbackId))
         inputElement.creator?.onCleanup(true) {
             inputElement.browser.removeCallback(callbackId)
         }
     }
 }