Fixed creating new Contracts

Layout/default/Contract/Form.php

@@ -118,6 +118,18 @@
                         </div>
                       </div>
 
+                        <div class="form-group row">
+                            <label class="col-lg-2 col-form-label" for="vatgroup_id">Umsatzsteuergruppe</label>
+                            <div class="col-lg-10">
+                                <select class="form-control" name="vatgroup_id" id="vatgroup_id">
+                                    <?php foreach(VatgroupModel::getAll() as $vatgroup): ?>
+                                        <option value="<?=$vatgroup->id?>"><?=$vatgroup->name?></option>
+                                    <?php endforeach; ?>
+
+                                </select>
+                            </div>
+                        </div>
+
                       <div class="form-group row">
                         <label class="col-lg-2 col-form-label" for="price">Preis</label>
                         <div class="col-lg-10">
@@ -408,6 +420,7 @@
           if(success.status != "OK") return;
           
           p = success.result.product;
+          $("#vatgroup_id").val(p.vatgroup_id);
           $("#price").val(p.price);
           $("#price_setup").val(p.price_setup);
           $("#price_nne").val(p.price_nne);