refactorise la génération de la facture au format Pdf, presente la facture aquittée.

Yavsc/Views/Shared/Components/Bill/Default.cshtml

@@ -1,8 +1,7 @@
 
 @model IBillable
 <div class="bill">
-@{ var fi = BillingHelpers.GetBillInfo(ViewBag.BillingCode,Model.Id); }
-@if (fi.Exists) {
+@if (ViewBag.BillFileInfo.Exists) {
 <a class="btn btn-link" href="~/api/bill/facture-@(ViewBag.BillingCode)-@(Model.Id).pdf" >La facture au format Pdf</a>
 } else {
 <form action="~/api/bill/genpdf/@ViewBag.BillingCode/@Model.Id" method="POST">

Yavsc/Views/Shared/Components/PayPalButton/Default.cshtml

@@ -15,12 +15,14 @@
     <text> : 
 
     </text>
-      <label>
-      <input type="checkbox" checked="@Model.Regularisation.IsOk()" disabled/> 
+      <label>@Model.GetIsAcquitted()
+      <input type="checkbox" checked="@Model.GetIsAcquitted()" disabled/> 
       <a asp-controller="Manage" asp-action="PaymentInfo" asp-route-id="@Model.Regularisation.CreationToken">@Model.Regularisation.CreationToken</a>
       </label>
 
-} else {
+} 
+
+@if (!Model.GetIsAcquitted()) {
 <div id="paypalzone"></div>
 <script>
 var CREATE_PAYMENT_URL = '@ViewBag.CreatePaymentUrl';

Yavsc/Views/Shared/DisplayTemplates/HairCutQuery.cshtml

@@ -1,15 +1,4 @@
 @model HairCutQuery
-@{
-    var paid = false;
-    if (Model.PaymentId!=null) {
-        if (Model.Regularisation!=null) {
-            if (Model.Regularisation.IsOk()) {
-                paid=true;
-            } 
-        }
-    }
-    
-}
 <dl class="dl-horizontal">
 <dt>@Html.DisplayNameFor(m=>m.Prestation)
 </dt>
@@ -33,7 +22,7 @@
 </dd>
 <dt>@SR["La facture"]
 </dt>
-<dd>@await Component.InvokeAsync("Bill", "Brush", Model, OutputFormat.Html, true, paid )
+<dd>@await Component.InvokeAsync("Bill", "Brush", Model, OutputFormat.Html, true)
 </dd>
 <dt>@Html.DisplayNameFor(m=>m.Regularisation)</dt>
 <dd>