Adds support for currency display (#277)

* Adds a helper function for rendering currency data

* Update helper functions for StockItem model

* Render purchasePrice correctly for stockitem

* Use currency_formatter library instead of money_formatter

* Add total price display for purchase order

* icon fix

assets/release_notes.md

@@ -4,6 +4,7 @@
 ### 0.10.2 - March 2023
 ---
 
+- Adds support for proper currency rendering
 - Fix icon for supplier part detail widget
 
 ### 0.10.1 - February 2023 

lib/helpers.dart

@@ -8,6 +8,7 @@
  */
 
 import "dart:io";
+import "package:currency_formatter/currency_formatter.dart";
 
 import "package:audioplayers/audioplayers.dart";
 import "package:one_context/one_context.dart";
@@ -77,3 +78,23 @@ Future<void> playAudioFile(String path) async {
   final player = AudioPlayer();
   player.play(AssetSource(path));
 }
+
+
+/*
+ * Helper function for rendering a money / currency object as a String
+ */
+String renderCurrency(double? amount, String currency, {int decimals = 2}) {
+
+  if (amount == null) return "-";
+  if (amount.isInfinite || amount.isNaN) return "-";
+
+  CurrencyFormatterSettings backupSettings = CurrencyFormatterSettings(
+    symbol: "\$",
+    symbolSide: SymbolSide.left,
+  );
+
+  return CurrencyFormatter.format(
+    amount,
+    CurrencyFormatter.majors[currency.toLowerCase()] ?? backupSettings
+  );
+}

lib/inventree/purchase_order.dart

@@ -89,6 +89,18 @@ class InvenTreePurchaseOrder extends InvenTreeModel {
 
   bool get isFailed => status == PO_STATUS_CANCELLED || status == PO_STATUS_LOST || status == PO_STATUS_RETURNED;
 
+  double? get totalPrice {
+    String price = (jsondata["total_price"] ?? "") as String;
+
+    if (price.isEmpty) {
+      return null;
+    } else {
+      return double.tryParse(price);
+    }
+  }
+
+  String get totalPriceCurrency => (jsondata["total_price_currency"] ?? "") as String;
+
   Future<List<InvenTreePOLineItem>> getLineItems() async {
 
     final results = await InvenTreePOLineItem().list(

lib/inventree/stock.dart

@@ -206,6 +206,8 @@ class InvenTreeStockItem extends InvenTreeModel {
       },
       "status": {},
       "batch": {},
+      "purchase_price": {},
+      "purchase_price_currency": {},
       "packaging": {},
       "link": {},
     };
@@ -284,13 +286,21 @@ class InvenTreeStockItem extends InvenTreeModel {
 
   int get partId => (jsondata["part"] ?? -1) as int;
   
-  String get purchasePrice => (jsondata["purchase_price"] ?? "") as String;
+  double? get purchasePrice {
+    String pp = (jsondata["purchase_price"] ?? "") as String;
+
+    if (pp.isEmpty) {
+      return null;
+    } else {
+      return double.tryParse(pp);
+    }
+  }
+
+  String get purchasePriceCurrency => (jsondata["purchase_price_currency"] ?? "") as String;
 
   bool get hasPurchasePrice {
-
+    double? pp = purchasePrice;
-    String pp = purchasePrice;
+    return pp != null && pp > 0;
-
-    return pp.isNotEmpty && pp.trim() != "-";
   }
 
   int get purchaseOrderId => (jsondata["purchase_order"] ?? -1) as int;
@@ -299,321 +309,321 @@ class InvenTreeStockItem extends InvenTreeModel {
 
   bool get isBuilding => (jsondata["is_building"] ?? false) as bool;
 
-  // Date of last update
+    // Date of last update
-  DateTime? get updatedDate {
+    DateTime? get updatedDate {
-    if (jsondata.containsKey("updated")) {
+      if (jsondata.containsKey("updated")) {
-      return DateTime.tryParse((jsondata["updated"] ?? "") as String);
+        return DateTime.tryParse((jsondata["updated"] ?? "") as String);
-    } else {
+      } else {
-      return null;
+        return null;
-    }
+      }
-  }
-
-  String get updatedDateString {
-    var _updated = updatedDate;
-
-    if (_updated == null) {
-      return "";
     }
 
-    final DateFormat _format = DateFormat("yyyy-MM-dd");
+    String get updatedDateString {
+      var _updated = updatedDate;
 
-    return _format.format(_updated);
+      if (_updated == null) {
-  }
+        return "";
+      }
 
-  DateTime? get stocktakeDate {
+      final DateFormat _format = DateFormat("yyyy-MM-dd");
-    if (jsondata.containsKey("stocktake_date")) {
-      return DateTime.tryParse((jsondata["stocktake_date"] ?? "") as String);
-    } else {
-      return null;
-    }
-  }
 
-  String get stocktakeDateString {
+      return _format.format(_updated);
-    var _stocktake = stocktakeDate;
-
-    if (_stocktake == null) {
-      return "";
     }
 
-    final DateFormat _format = DateFormat("yyyy-MM-dd");
+    DateTime? get stocktakeDate {
-
+      if (jsondata.containsKey("stocktake_date")) {
-    return _format.format(_stocktake);
+        return DateTime.tryParse((jsondata["stocktake_date"] ?? "") as String);
-  }
+      } else {
-
+        return null;
-  String get partName {
+      }
-
-    String nm = "";
-
-    // Use the detailed part information as priority
-    if (jsondata.containsKey("part_detail")) {
-      nm = (jsondata["part_detail"]["full_name"] ?? "") as String;
     }
 
-    // Backup if first value fails
+    String get stocktakeDateString {
-    if (nm.isEmpty) {
+      var _stocktake = stocktakeDate;
-      nm = (jsondata["part__name"] ?? "") as String;
+
+      if (_stocktake == null) {
+        return "";
+      }
+
+      final DateFormat _format = DateFormat("yyyy-MM-dd");
+
+      return _format.format(_stocktake);
     }
 
-    return nm;
+    String get partName {
-  }
 
-  String get partDescription {
+      String nm = "";
-    String desc = "";
 
-    // Use the detailed part description as priority
+      // Use the detailed part information as priority
-    if (jsondata.containsKey("part_detail")) {
+      if (jsondata.containsKey("part_detail")) {
-      desc = (jsondata["part_detail"]["description"] ?? "") as String;
+        nm = (jsondata["part_detail"]["full_name"] ?? "") as String;
+      }
+
+      // Backup if first value fails
+      if (nm.isEmpty) {
+        nm = (jsondata["part__name"] ?? "") as String;
+      }
+
+      return nm;
     }
 
-    if (desc.isEmpty) {
+    String get partDescription {
-      desc = (jsondata["part__description"] ?? "") as String;
+      String desc = "";
+
+      // Use the detailed part description as priority
+      if (jsondata.containsKey("part_detail")) {
+        desc = (jsondata["part_detail"]["description"] ?? "") as String;
+      }
+
+      if (desc.isEmpty) {
+        desc = (jsondata["part__description"] ?? "") as String;
+      }
+
+      return desc;
     }
 
-    return desc;
+    String get partImage {
-  }
+      String img = "";
 
-  String get partImage {
+      if (jsondata.containsKey("part_detail")) {
-    String img = "";
+        img = (jsondata["part_detail"]["thumbnail"] ?? "") as String;
+      }
 
-    if (jsondata.containsKey("part_detail")) {
+      if (img.isEmpty) {
-      img = (jsondata["part_detail"]["thumbnail"] ?? "") as String;
+        img = (jsondata["part__thumbnail"] ?? "") as String;
+      }
+
+      return img;
     }
 
-    if (img.isEmpty) {
+    /*
-      img = (jsondata["part__thumbnail"] ?? "") as String;
-    }
-
-    return img;
-  }
-
-  /*
    * Return the Part thumbnail for this stock item.
    */
-  String get partThumbnail {
+    String get partThumbnail {
 
-    String thumb = "";
+      String thumb = "";
 
-    thumb = (jsondata["part_detail"]?["thumbnail"] ?? "") as String;
+      thumb = (jsondata["part_detail"]?["thumbnail"] ?? "") as String;
 
-    // Use "image" as a backup
+      // Use "image" as a backup
-    if (thumb.isEmpty) {
+      if (thumb.isEmpty) {
-      thumb = (jsondata["part_detail"]?["image"] ?? "") as String;
+        thumb = (jsondata["part_detail"]?["image"] ?? "") as String;
+      }
+
+      // Try a different approach
+      if (thumb.isEmpty) {
+        thumb = (jsondata["part__thumbnail"] ?? "") as String;
+      }
+
+      // Still no thumbnail? Use the "no image" image
+      if (thumb.isEmpty) thumb = InvenTreeAPI.staticThumb;
+
+      return thumb;
     }
 
-    // Try a different approach
+    int get supplierPartId => (jsondata["supplier_part"] ?? -1) as int;
-    if (thumb.isEmpty) {
+
-      thumb = (jsondata["part__thumbnail"] ?? "") as String;
+    String get supplierImage {
+      String thumb = "";
+
+      if (jsondata.containsKey("supplier_part_detail")) {
+        thumb = (jsondata["supplier_part_detail"]?["supplier_detail"]?["image"] ?? "") as String;
+      } else if (jsondata.containsKey("supplier_detail")) {
+        thumb = (jsondata["supplier_detail"]["image"] ?? "") as String;
+      }
+
+      return thumb;
     }
 
-    // Still no thumbnail? Use the "no image" image
+    String get supplierName {
-    if (thumb.isEmpty) thumb = InvenTreeAPI.staticThumb;
+      String sname = "";
 
-    return thumb;
+      if (jsondata.containsKey("supplier_detail")) {
-  }
+        sname = (jsondata["supplier_detail"]["supplier_name"] ?? "") as String;
+      }
 
-  int get supplierPartId => (jsondata["supplier_part"] ?? -1) as int;
+      return sname;
-
-  String get supplierImage {
-    String thumb = "";
-
-    if (jsondata.containsKey("supplier_part_detail")) {
-      thumb = (jsondata["supplier_part_detail"]?["supplier_detail"]?["image"] ?? "") as String;
-    } else if (jsondata.containsKey("supplier_detail")) {
-      thumb = (jsondata["supplier_detail"]["image"] ?? "") as String;
     }
 
-    return thumb;
+    String get units {
-  }
+      return (jsondata["part_detail"]?["units"] ?? "") as String;
-
-  String get supplierName {
-    String sname = "";
-
-    if (jsondata.containsKey("supplier_detail")) {
-      sname = (jsondata["supplier_detail"]["supplier_name"] ?? "") as String;
     }
 
-    return sname;
+    String get supplierSKU {
-  }
+      String sku = "";
 
-  String get units {
+      if (jsondata.containsKey("supplier_part_detail")) {
-    return (jsondata["part_detail"]?["units"] ?? "") as String;
+        sku = (jsondata["supplier_part_detail"]["SKU"] ?? "") as String;
-  }
+      }
 
-  String get supplierSKU {
+      return sku;
-    String sku = "";
-
-    if (jsondata.containsKey("supplier_part_detail")) {
-      sku = (jsondata["supplier_part_detail"]["SKU"] ?? "") as String;
     }
 
-    return sku;
+    String get serialNumber => (jsondata["serial"] ?? "") as String;
-  }
 
-  String get serialNumber => (jsondata["serial"] ?? "") as String;
+    double get quantity => double.tryParse(jsondata["quantity"].toString()) ?? 0;
 
-  double get quantity => double.tryParse(jsondata["quantity"].toString()) ?? 0;
+    String quantityString({bool includeUnits = false}){
 
-  String quantityString({bool includeUnits = false}){
+      String q = "";
 
-    String q = "";
+      if (allocated > 0) {
+        q += simpleNumberString(available);
+        q += " / ";
+      }
 
-    if (allocated > 0) {
+      q += simpleNumberString(quantity);
-      q += simpleNumberString(available);
+
-      q += " / ";
+      if (includeUnits && units.isNotEmpty) {
+        q += " ${units}";
+      }
+
+      return q;
     }
 
-    q += simpleNumberString(quantity);
+    double get allocated => double.tryParse(jsondata["allocated"].toString()) ?? 0;
 
-    if (includeUnits && units.isNotEmpty) {
+    double get available => quantity - allocated;
-      q += " ${units}";
+
+    int get locationId => (jsondata["location"] ?? -1) as int;
+
+    bool isSerialized() => serialNumber.isNotEmpty && quantity.toInt() == 1;
+
+    String serialOrQuantityDisplay() {
+      if (isSerialized()) {
+        return "SN ${serialNumber}";
+      } else if (allocated > 0) {
+        return "${available} / ${quantity}";
+      } else {
+        return simpleNumberString(quantity);
+      }
     }
 
-    return q;
+    String get locationName {
-  }
+      String loc = "";
 
-  double get allocated => double.tryParse(jsondata["allocated"].toString()) ?? 0;
+      if (locationId == -1 || !jsondata.containsKey("location_detail")) return "Unknown Location";
 
-  double get available => quantity - allocated;
+      loc = (jsondata["location_detail"]["name"] ?? "") as String;
 
-  int get locationId => (jsondata["location"] ?? -1) as int;
+      // Old-style name
+      if (loc.isEmpty) {
+        loc = (jsondata["location__name"] ?? "") as String;
+      }
 
-  bool isSerialized() => serialNumber.isNotEmpty && quantity.toInt() == 1;
+      return loc;
-
-  String serialOrQuantityDisplay() {
-    if (isSerialized()) {
-      return "SN ${serialNumber}";
-    } else if (allocated > 0) {
-      return "${available} / ${quantity}";
-    } else {
-      return simpleNumberString(quantity);
-    }
-  }
-
-  String get locationName {
-    String loc = "";
-
-    if (locationId == -1 || !jsondata.containsKey("location_detail")) return "Unknown Location";
-
-    loc = (jsondata["location_detail"]["name"] ?? "") as String;
-
-    // Old-style name
-    if (loc.isEmpty) {
-      loc = (jsondata["location__name"] ?? "") as String;
     }
 
-    return loc;
+    String get locationPathString {
-  }
 
-  String get locationPathString {
+      if (locationId == -1 || !jsondata.containsKey("location_detail")) return L10().locationNotSet;
 
-    if (locationId == -1 || !jsondata.containsKey("location_detail")) return L10().locationNotSet;
+      String _loc = (jsondata["location_detail"]["pathstring"] ?? "") as String;
 
-    String _loc = (jsondata["location_detail"]["pathstring"] ?? "") as String;
+      if (_loc.isNotEmpty) {
-
+        return _loc;
-    if (_loc.isNotEmpty) {
+      } else {
-      return _loc;
+        return locationName;
-    } else {
+      }
-      return locationName;
     }
-  }
 
-  String get displayQuantity {
+    String get displayQuantity {
-    // Display either quantity or serial number!
+      // Display either quantity or serial number!
 
-    if (serialNumber.isNotEmpty) {
+      if (serialNumber.isNotEmpty) {
-      return "SN: $serialNumber";
+        return "SN: $serialNumber";
-    } else {
+      } else {
-      return simpleNumberString(quantity);
+        return simpleNumberString(quantity);
+      }
     }
-  }
 
-  @override
+    @override
-  InvenTreeModel createFromJson(Map<String, dynamic> json) {
+    InvenTreeModel createFromJson(Map<String, dynamic> json) {
-    return InvenTreeStockItem.fromJson(json);
+      return InvenTreeStockItem.fromJson(json);
-  }
+    }
 
-  /*
+    /*
    * Perform stocktake action:
    *
    * - Add
    * - Remove
    * - Count
    */
-  Future<bool> adjustStock(String endpoint, double q, {String? notes, int? location}) async {
+    Future<bool> adjustStock(String endpoint, double q, {String? notes, int? location}) async {
 
-    // Serialized stock cannot be adjusted (unless it is a "transfer")
+      // Serialized stock cannot be adjusted (unless it is a "transfer")
-    if (isSerialized() && location == null) {
+      if (isSerialized() && location == null) {
-      return false;
+        return false;
+      }
+
+      // Cannot handle negative stock
+      if (q < 0) {
+        return false;
+      }
+
+      Map<String, dynamic> data = {};
+
+      data = {
+        "items": [
+          {
+            "pk": "${pk}",
+            "quantity": "${quantity}",
+          }
+        ],
+        "notes": notes ?? "",
+      };
+
+      if (location != null) {
+        data["location"] = location;
+      }
+
+      var response = await api.post(
+        endpoint,
+        body: data,
+      );
+
+      return response.isValid() && (response.statusCode == 200 || response.statusCode == 201);
     }
 
-    // Cannot handle negative stock
+    Future<bool> countStock(double q, {String? notes}) async {
-    if (q < 0) {
+
-      return false;
+      final bool result = await adjustStock("/stock/count/", q, notes: notes);
+
+      return result;
     }
 
-    Map<String, dynamic> data = {};
+    Future<bool> addStock(double q, {String? notes}) async {
 
-    data = {
+      final bool result = await adjustStock("/stock/add/", q, notes: notes);
-      "items": [
-        {
-          "pk": "${pk}",
-          "quantity": "${quantity}",
-        }
-      ],
-      "notes": notes ?? "",
-    };
 
-    if (location != null) {
+      return result;
-      data["location"] = location;
     }
 
-    var response = await api.post(
+    Future<bool> removeStock(double q, {String? notes}) async {
-      endpoint,
-      body: data,
-    );
 
-    return response.isValid() && (response.statusCode == 200 || response.statusCode == 201);
+      final bool result = await adjustStock("/stock/remove/", q, notes: notes);
-  }
 
-  Future<bool> countStock(double q, {String? notes}) async {
+      return result;
-
-    final bool result = await adjustStock("/stock/count/", q, notes: notes);
-
-    return result;
-  }
-
-  Future<bool> addStock(double q, {String? notes}) async {
-
-    final bool result = await adjustStock("/stock/add/", q, notes: notes);
-
-    return result;
-  }
-
-  Future<bool> removeStock(double q, {String? notes}) async {
-
-    final bool result = await adjustStock("/stock/remove/", q, notes: notes);
-
-    return result;
-  }
-
-  Future<bool> transferStock(int location, {double? quantity, String? notes}) async {
-
-    double q = this.quantity;
-
-    if (quantity != null) {
-      q = quantity;
     }
 
-    final bool result = await adjustStock(
+    Future<bool> transferStock(int location, {double? quantity, String? notes}) async {
-      "/stock/transfer/",
-      q,
-      notes: notes,
-      location: location,
-    );
 
-    return result;
+      double q = this.quantity;
+
+      if (quantity != null) {
+        q = quantity;
+      }
+
+      final bool result = await adjustStock(
+        "/stock/transfer/",
+        q,
+        notes: notes,
+        location: location,
+      );
+
+      return result;
+    }
   }
-}
 
 
 /*

lib/l10n/app_en.arb

@@ -1180,6 +1180,9 @@
   "tokenMissingFromResponse": "Access token missing from response",
   "@tokenMissingFromResponse": {},
 
+  "totalPrice": "Total Price",
+  "@totalPrice": {},
+
   "transfer": "Transfer",
   "@transfer": {
     "description": "transfer"

lib/widget/purchase_order_detail.dart

@@ -158,6 +158,14 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
       },
     ));
 
+    tiles.add(ListTile(
+      title: Text(L10().totalPrice),
+      leading: FaIcon(FontAwesomeIcons.dollarSign),
+      trailing: Text(
+        renderCurrency(widget.order.totalPrice, widget.order.totalPriceCurrency)
+      ),
+    ));
+
     tiles.add(ListTile(
       title: Text(L10().received),
       leading: FaIcon(FontAwesomeIcons.clipboardCheck, color: COLOR_CLICK),
@@ -407,7 +415,7 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
       onTap: onTabSelectionChanged,
       items: [
         BottomNavigationBarItem(
-          icon: FaIcon(FontAwesomeIcons.info),
+          icon: FaIcon(FontAwesomeIcons.circleInfo),
           label: L10().details
         ),
         BottomNavigationBarItem(

lib/widget/stock_detail.dart

@@ -4,6 +4,7 @@ import "package:font_awesome_flutter/font_awesome_flutter.dart";
 
 import "package:inventree/app_colors.dart";
 import "package:inventree/barcode.dart";
+import "package:inventree/helpers.dart";
 import "package:inventree/l10.dart";
 import "package:inventree/api.dart";
 import "package:inventree/api_form.dart";
@@ -675,7 +676,9 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
         ListTile(
           title: Text(L10().purchasePrice),
           leading: FaIcon(FontAwesomeIcons.dollarSign),
-          trailing: Text(widget.item.purchasePrice),
+          trailing: Text(
+            renderCurrency(widget.item.purchasePrice, widget.item.purchasePriceCurrency)
+          )
         )
       );
     }

pubspec.lock

@@ -257,6 +257,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
+  currency_formatter:
+    dependency: "direct main"
+    description:
+      name: currency_formatter
+      sha256: "24034a969f21a55071b1cf835655c1fb1fd94e3acd498a77283e945002591fb6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   datetime_picker_formfield:
     dependency: "direct main"
     description:
@@ -1034,6 +1042,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      sha256: "06866290206d196064fd61df4c7aea1ffe9a4e7c4ccaa8fcded42dd41948005d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
   url_launcher:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -11,6 +11,7 @@ dependencies:
   cached_network_image: ^3.2.0            # Download and cache remote images
   camera: ^0.10.3                         # Camera
   cupertino_icons: ^1.0.3
+  currency_formatter: ^2.0.0
   datetime_picker_formfield: ^2.0.0       # Date / time picker
   device_info_plus: ^8.0.0                # Information about the device
   dropdown_search: ^5.0.5                 # Dropdown autocomplete form fields