From f058cefad20af2dfcd38e1b595dc887f64180129 Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Tue, 13 Jul 2021 00:17:35 +1000
Subject: [PATCH] Fixes for double.tryParse

---
 lib/inventree/part.dart  | 6 +++---
 lib/inventree/stock.dart | 2 +-
 lib/widget/fields.dart   | 3 +--
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/inventree/part.dart b/lib/inventree/part.dart
index c0cef5dc..4cc4b127 100644
--- a/lib/inventree/part.dart
+++ b/lib/inventree/part.dart
@@ -199,10 +199,10 @@ class InvenTreePart extends InvenTreeModel {
   }
 
     // Get the number of stock on order for this Part
-    double get onOrder => double.tryParse(jsondata['ordering']) ?? 0;
+    double get onOrder => double.tryParse(jsondata['ordering'].toString()) ?? 0;
 
     // Get the stock count for this Part
-    double get inStock => double.tryParse(jsondata['in_stock']) ?? 0;
+    double get inStock => double.tryParse(jsondata['in_stock'].toString()) ?? 0;
 
     String get inStockString {
 
@@ -214,7 +214,7 @@ class InvenTreePart extends InvenTreeModel {
     }
 
     // Get the number of units being build for this Part
-    double get building => double.tryParse(jsondata['building']) ?? 0;
+    double get building => double.tryParse(jsondata['building'].toString()) ?? 0;
 
     // Get the number of BOM items in this Part (if it is an assembly)
     int get bomItemCount => (jsondata['bom_items'] ?? 0) as int;
diff --git a/lib/inventree/stock.dart b/lib/inventree/stock.dart
index d730be74..0f03f2bf 100644
--- a/lib/inventree/stock.dart
+++ b/lib/inventree/stock.dart
@@ -344,7 +344,7 @@ class InvenTreeStockItem extends InvenTreeModel {
 
   String get serialNumber => jsondata['serial'] ?? "";
 
-  double get quantity => double.tryParse(jsondata['quantity']) ?? 0;
+  double get quantity => double.tryParse(jsondata['quantity'].toString()) ?? 0;
 
   String get quantityString {
 
diff --git a/lib/widget/fields.dart b/lib/widget/fields.dart
index a1487ffc..0572f2b6 100644
--- a/lib/widget/fields.dart
+++ b/lib/widget/fields.dart
@@ -155,9 +155,8 @@ class QuantityField extends TextFormField {
 
           if (value != null && value.isEmpty) return L10().quantityEmpty;
 
-          double quantity = double.tryParse(value ?? '0') ?? 0;
+          double quantity = double.tryParse(value.toString()) ?? 0;
 
-          if (quantity == null) return L10().quantityInvalid;
           if (quantity <= 0) return L10().quantityPositive;
           if ((max != null) && (quantity > max)) return "Quantity must not exceed ${max}";