Ajuste em formulário

script/eventos.js

@@ -29,9 +29,18 @@ const sendData = (form) => {
 
     const request = new XMLHttpRequest();
 
+    request.onreadystatechange = function() {
+        if (this.readyState == 4 && this.status == 200) {
+           alert(this.responseText)
+        }
+        else if(this.readyState >= 4) {
+           alert('ERRO: ' + this.responseText)    
+        }
+    }
+
     const precoFormatado = parseFloat(formData.get("preco").replace('.','').replace(',','.'))
 
-    const obj = {
+    const objeto = {
         titulo: formData.get("titulo"),
         data: formData.get("data"),
         capacidade: parseInt(formData.get("capacidade")),
@@ -39,9 +48,13 @@ const sendData = (form) => {
         categoria: parseInt(formData.get("categoria"))
     }
 
+    const url = 'http://hcbarros.bootcamp.dev.netuno.org:20190/services/evento-salvar'
+    request.open('POST', url)
+    request.setRequestHeader('Content-Type', 'application/json')
+			
+    request.send(JSON.stringify(objeto));
 
-    alert(JSON.stringify(obj))
-
+    return false
 }
 
 
@@ -58,7 +71,7 @@ const validator = (formData) => {
     }
 
     const date = new Date(formData.get("data"))
-    if(!isNaN(date.getTime())) {
+    if(isNaN(date.getTime())) {
         alert('Data inválida!')
         return false
     }