Merge pull request #92 from inventree/stock-history

Stock history

lib/app_settings.dart

@@ -18,6 +18,7 @@ const String INV_SOUNDS_SERVER = "serverSounds";
 const String INV_PART_SUBCATEGORY = "partSubcategory";
 
 const String INV_STOCK_SUBLOCATION = "stockSublocation";
+const String INV_STOCK_SHOW_HISTORY = "stockShowHistory";
 
 const String INV_REPORT_ERRORS = "reportErrors";
 

lib/inventree/stock.dart

@@ -56,6 +56,67 @@ class InvenTreeStockItemTestResult extends InvenTreeModel {
 }
 
 
+class InvenTreeStockItemHistory extends InvenTreeModel {
+
+  InvenTreeStockItemHistory() : super();
+
+  InvenTreeStockItemHistory.fromJson(Map<String, dynamic> json) : super.fromJson(json);
+
+  @override
+  InvenTreeModel createFromJson(Map<String, dynamic> json) {
+    return InvenTreeStockItemHistory.fromJson(json);
+  }
+
+  @override
+  String get URL => "stock/track/";
+
+  @override
+  Map<String, String> defaultListFilters() {
+
+    // By default, order by decreasing date
+    return {
+      "ordering": "-date",
+    };
+  }
+
+  DateTime? get date {
+    if (jsondata.containsKey("date")) {
+      return DateTime.tryParse((jsondata["date"] ?? "") as String);
+    } else {
+      return null;
+    }
+  }
+
+  String get dateString {
+    var d = date;
+
+    if (d == null) {
+      return "";
+    }
+
+    return DateFormat("yyyy-MM-dd").format(d);
+  }
+
+  String get label => (jsondata["label"] ?? "") as String;
+
+  String get quantityString {
+    Map<String, dynamic> deltas = (jsondata["deltas"] ?? {}) as Map<String, dynamic>;
+
+    // Serial number takes priority here
+    if (deltas.containsKey("serial")) {
+      var serial = (deltas["serial"] ?? "") as String;
+      return "# ${serial}";
+    } else if (deltas.containsKey("quantity")) {
+      double q = (deltas["quantity"] ?? 0) as double;
+
+      return simpleNumberString(q);
+    } else {
+      return "";
+    }
+  }
+}
+
+
 class InvenTreeStockItem extends InvenTreeModel {
 
   InvenTreeStockItem() : super();

lib/l10n

@@ -1 +1 @@
-Subproject commit a66dab998bc92b3cceed70aaffc92ffa8b5da836
+Subproject commit 10ae8c64e0754206e21b06531186375e247c796d

lib/settings/app_settings.dart

@@ -28,6 +28,7 @@ class _InvenTreeAppSettingsState extends State<InvenTreeAppSettingsWidget> {
 
   // Stock settings
   bool stockSublocation = false;
+  bool stockShowHistory = false;
 
   bool reportErrors = true;
 
@@ -48,6 +49,7 @@ class _InvenTreeAppSettingsState extends State<InvenTreeAppSettingsWidget> {
     partSubcategory = await InvenTreeSettingsManager().getValue(INV_PART_SUBCATEGORY, true) as bool;
 
     stockSublocation = await InvenTreeSettingsManager().getValue(INV_STOCK_SUBLOCATION, true) as bool;
+    stockShowHistory = await InvenTreeSettingsManager().getValue(INV_STOCK_SHOW_HISTORY, false) as bool;
 
     reportErrors = await InvenTreeSettingsManager().getValue(INV_REPORT_ERRORS, true) as bool;
 
@@ -109,6 +111,20 @@ class _InvenTreeAppSettingsState extends State<InvenTreeAppSettingsWidget> {
                 },
               ),
             ),
+            ListTile(
+              title: Text(L10().stockItemHistory),
+              subtitle: Text(L10().stockItemHistoryDetail),
+              leading: FaIcon(FontAwesomeIcons.history),
+              trailing: Switch(
+                value: stockShowHistory,
+                onChanged: (bool value) {
+                  InvenTreeSettingsManager().setValue(INV_STOCK_SHOW_HISTORY, value);
+                  setState(() {
+                    stockShowHistory = value;
+                  });
+                },
+              ),
+            ),
             /* Sound Settings */
             Divider(height: 3),
             ListTile(

lib/widget/stock_detail.dart

@@ -16,12 +16,14 @@ import "package:inventree/widget/part_detail.dart";
 import "package:inventree/widget/progress.dart";
 import "package:inventree/widget/refreshable_state.dart";
 import "package:inventree/widget/snacks.dart";
+import "package:inventree/widget/stock_item_history.dart";
 import "package:inventree/widget/stock_item_test_results.dart";
 import "package:inventree/widget/stock_notes.dart";
 import "package:inventree/l10.dart";
 import "package:inventree/helpers.dart";
 import "package:inventree/api.dart";
 import "package:inventree/api_form.dart";
+import "package:inventree/app_settings.dart";
 
 
 class StockDetailWidget extends StatefulWidget {
@@ -50,6 +52,8 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
   final _countStockKey = GlobalKey<FormState>();
   final _moveStockKey = GlobalKey<FormState>();
 
+  bool stockShowHistory = false;
+
   @override
   List<Widget> getAppBarActions(BuildContext context) {
 
@@ -105,6 +109,8 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
     final bool result = await item.reload();
 
+    stockShowHistory = await InvenTreeSettingsManager().getValue(INV_STOCK_SHOW_HISTORY, false) as bool;
+
     // Could not load this stock item for some reason
     // Perhaps it has been depleted?
     if (!result || item.pk == -1) {
@@ -861,24 +867,24 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
     // TODO - Is this stock item linked to a PurchaseOrder?
 
-    // TODO - Re-enable stock item history display
-    /*
-    if (item.trackingItemCount > 0) {
+    if (stockShowHistory && item.trackingItemCount > 0) {
       tiles.add(
         ListTile(
           title: Text(L10().history),
-          leading: FaIcon(FontAwesomeIcons.history),
+          leading: FaIcon(FontAwesomeIcons.history, color: COLOR_CLICK),
           trailing: Text("${item.trackingItemCount}"),
           onTap: () {
-            // TODO: Load tracking history
-
-            // TODO: Push tracking history page to the route
-
+            Navigator.push(
+              context,
+              MaterialPageRoute(
+                builder: (context) => StockItemHistoryWidget(item))
+              ).then((ctx) {
+                refresh(context);
+            });
           },
         )
       );
     }
-     */
 
     // Notes field
     tiles.add(

lib/widget/stock_item_history.dart

@@ -0,0 +1,78 @@
+
+
+import "package:flutter/cupertino.dart";
+import "package:flutter/material.dart";
+
+import "package:inventree/widget/refreshable_state.dart";
+import "package:inventree/l10.dart";
+import "package:inventree/inventree/stock.dart";
+import "package:inventree/inventree/model.dart";
+
+
+class StockItemHistoryWidget extends StatefulWidget {
+
+  const StockItemHistoryWidget(this.item, {Key? key}) : super(key: key);
+
+  final InvenTreeStockItem item;
+
+  @override
+  _StockItemHistoryDisplayState createState() => _StockItemHistoryDisplayState(item);
+}
+
+
+class _StockItemHistoryDisplayState extends RefreshableState<StockItemHistoryWidget> {
+
+  _StockItemHistoryDisplayState(this.item);
+
+  final InvenTreeStockItem item;
+
+  @override
+  String getAppBarTitle(BuildContext context) => L10().stockItemHistory;
+
+  List<InvenTreeStockItemHistory> history = [];
+
+  @override
+  Future<void> request(BuildContext refresh) async {
+
+    history.clear();
+
+    InvenTreeStockItemHistory().list(filters: {"item": "${item.pk}"}).then((List<InvenTreeModel> results) {
+      for (var result in results) {
+        if (result is InvenTreeStockItemHistory) {
+          history.add(result);
+        }
+      }
+
+      // Refresh
+      setState(() {
+      });
+    });
+  }
+
+  @override
+  Widget getBody(BuildContext context) {
+    return ListView(
+      children: ListTile.divideTiles(
+        context: context,
+        tiles: historyList(),
+      ).toList()
+    );
+  }
+
+  List<Widget> historyList() {
+    List<Widget> tiles = [];
+
+    for (var entry in history) {
+      tiles.add(
+        ListTile(
+          leading: Text(entry.dateString),
+          trailing: entry.quantityString.isNotEmpty ? Text(entry.quantityString) : null,
+          title: Text(entry.label),
+          subtitle: entry.notes.isNotEmpty ? Text(entry.notes) : null,
+        )
+      );
+    }
+
+    return tiles;
+  }
+}