Update status codes (#307)

* Extra error info when connecting to server

* Adds accessors for various types of status codes

* Cleanup / refactor stock status codes

- No longer need to duplicate these on the app

* improvements to purchase order list

- Add option to show closed orders
- Render order status

* Add purchase order status to order detail widget

* Update release notes

* Cleanup for imports

* linting fixes

lib/widget/purchase_order_detail.dart

@@ -66,6 +66,8 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
   Future<void> request(BuildContext context) async {
     await order.reload();
 
+    await api.PurchaseOrderStatus.load();
+
     lines = await order.getLineItems();
 
     completedLines = 0;
@@ -112,6 +114,12 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
           title: Text(order.reference),
           subtitle: Text(order.description),
           leading: supplier == null ? null : InvenTreeAPI().getImage(supplier.thumbnail, width: 40, height: 40),
+          trailing: Text(
+            api.PurchaseOrderStatus.label(order.status),
+            style: TextStyle(
+              color: api.PurchaseOrderStatus.color(order.status)
+            ),
+          )
         )
     );
 

lib/widget/purchase_order_list.dart

@@ -125,11 +125,19 @@ class _PaginatedPurchaseOrderListState extends PaginatedSearchState<PaginatedPur
     "target_date": L10().targetDate,
   };
 
+  @override
+  Map<String, Map<String, dynamic>> get filterOptions => {
+    "outstanding": {
+      "label": L10().outstanding,
+      "help_text": L10().outstandingOrderDetail,
+      "tristate": true,
+    }
+  };
+
   @override
   Future<InvenTreePageResponse?> requestPage(int limit, int offset, Map<String, String> params) async {
 
-    params["outstanding"] = "true";
-
+    await InvenTreeAPI().PurchaseOrderStatus.load();
     final page = await InvenTreePurchaseOrder().listPaginated(limit, offset, filters: params);
 
     return page;
@@ -151,7 +159,12 @@ class _PaginatedPurchaseOrderListState extends PaginatedSearchState<PaginatedPur
         width: 40,
         height: 40,
       ),
-      trailing: Text("${order.lineItemCount}"),
+      trailing: Text(
+        InvenTreeAPI().PurchaseOrderStatus.label(order.status),
+        style: TextStyle(
+          color: InvenTreeAPI().PurchaseOrderStatus.color(order.status),
+        ),
+      ),
       onTap: () async {
         Navigator.push(
           context,

lib/widget/stock_detail.dart

@@ -211,6 +211,8 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
   @override
   Future<void> request(BuildContext context) async {
 
+    await api.StockStatus.load();
+
     stockShowHistory = await InvenTreeSettingsManager().getValue(INV_STOCK_SHOW_HISTORY, false) as bool;
 
     final bool result = widget.item.pk > 0 && await widget.item.reload();
@@ -565,9 +567,9 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
         subtitle: Text("${widget.item.partDescription}"),
         leading: InvenTreeAPI().getImage(widget.item.partImage),
         trailing: Text(
-            widget.item.statusLabel(),
+          api.StockStatus.label(widget.item.status),
           style: TextStyle(
-            color: widget.item.statusColor
+            color: api.StockStatus.color(widget.item.status),
           )
         ),
         onTap: () async {

lib/widget/stock_item_history.dart

@@ -33,7 +33,7 @@ class _StockItemHistoryDisplayState extends RefreshableState<StockItemHistoryWid
 
     history.clear();
 
-    InvenTreeStockItemHistory().list(filters: {"item": "${item.pk}"}).then((List<InvenTreeModel> results) {
+    await InvenTreeStockItemHistory().list(filters: {"item": "${item.pk}"}).then((List<InvenTreeModel> results) {
       for (var result in results) {
         if (result is InvenTreeStockItemHistory) {
           history.add(result);

lib/widget/stock_list.dart

@@ -95,6 +95,9 @@ class _PaginatedStockItemListState extends PaginatedSearchState<PaginatedStockIt
   @override
   Future<InvenTreePageResponse?> requestPage(int limit, int offset, Map<String, String> params) async {
 
+    // Ensure StockStatus codes are loaded
+    await InvenTreeAPI().StockStatus.load();
+
     final page = await InvenTreeStockItem().listPaginated(
       limit,
       offset,
@@ -120,7 +123,7 @@ class _PaginatedStockItemListState extends PaginatedSearchState<PaginatedStockIt
       trailing: Text("${item.displayQuantity}",
         style: TextStyle(
           fontWeight: FontWeight.bold,
-          color: item.statusColor,
+          color: InvenTreeAPI().StockStatus.color(item.status),
         ),
       ),
       onTap: () {