Added online bankdata validation

Layout/default/Order/Form.php

@@ -496,6 +496,12 @@
                         <input type="text" class="form-control" name="bank_account_bic" id="bank_account_bic" value="<?=$order->bank_account_bic?>" />
                       </div>
                     </div>
+                    
+                    <div class="form-group row">
+                      <label class="col-lg-2 col-form-label" for="bank_account_bic"></label>
+                      <div class="col-lg-10 alert alert-danger hidden" id="bank-error"></div>
+                    </div>
+                    
                   </div>
                 </div>
               </div>
@@ -1231,9 +1237,11 @@
   /*********************
   * Form validation
   */
-
+ 
+  var bankdata_valid = false;
+ 
   // iban validation
-  function validateIban(iban) {
+  function validateIbanFormat(iban) {
     if(!iban) {
       return false;
     }
@@ -1270,6 +1278,59 @@
     }
   }
   
+  function validateIbanBic(iban, bic) {
+    if(!iban) return false;
+    iban = iban.toUpperCase().replace(/\s+/, '');
+    
+    $.post("<?=self::getUrl("Address", "api")?>", {
+        do: "validateIbanBic",
+        iban: iban,
+        bic: bic
+      },
+      function(success) {
+        if(success.status == "OK") {
+          var data = success.result;
+          $("#bank-error").hide();
+          $("#bank-error").text("");
+          
+          if(data.iban_correct && !data.iban_sus && data.bic_correct) {
+            bankdata_valid = true;
+            $('#orderForm').submit();
+            return;
+          }
+          
+          var bank_error = [];
+          
+          if(!data.iban_correct) {
+            $("#bank_account_iban").addClass("invalid");
+            bank_error.push("Ungültige IBAN!");
+          }
+          if(data.iban_sus) {
+            $("#bank_account_iban").addClass("invalid");
+            bank_error.push("IBAN verdächtig (" + data.iban_sus + ")!");
+          }
+          if(!data.bic_correct) {
+            $("#bank_account_bic").addClass("invalid");
+            bank_error.push("Ungültige BIC!");
+            if(Array.isArray(data.bic)) {
+              bank_error.push(" Mögliche korrekte BIC: " + data.bic.join(", "));
+            }
+          }
+          
+          $("#bank-error").html(bank_error.join("<br />\n"));
+          $("#bank-error").show();
+          
+          
+        } else {
+          $("#bank-error").text("Beim Validieren der Bankdaten ist ein Fehler aufgetreten.");
+        }
+      },
+      "json"
+    );
+    
+    
+    return false;
+  }
   
   
   function validateOrderForm() {
@@ -1349,16 +1410,23 @@
     }*/
 
     // check bankdaten
-    if($('#billing_type').val() == "sepa") {
+    if($('#billing_type').val() == "sepa" && !bankdata_valid) {
       checkEmpty.push("bank_account_bank");
       checkEmpty.push("bank_account_owner");
       checkEmpty.push("bank_account_bic");
 
-      if(!validateIban($("#bank_account_iban").val())) {
+      $("#bank_account_iban").removeClass("invalid");
+      $("#bank_account_bic").removeClass("invalid");
+
+      if(!validateIbanFormat($("#bank_account_iban").val())) {
         $("#bank_account_iban").addClass("invalid");
         $("#iban_error").show();
         error = true;
       }
+      
+      if(!validateIbanBic($("#bank_account_iban").val(), $("#bank_account_bic").val())) {
+        error = true;
+      }
     }
     
     // owner_id & billingaddress_id