Parameters refactor (#738)

* refactor attachment code into its own file

* Add getters

* Remove custom models for each type of attachment

* Refactor existing widgets

* Fix double camera open bug

* Add check for modern parameter API

* Add generic parameter type

* Remove old code

* Remove dead code

* Refactor previous widget

* Remove unused imports

* Refactor common code

* format

* Update release notes

* Helper func to render parameters list tile

* Display parameters on part page

* parameters for company

* Supplier more model types:

- ManufacturerPart
- SupplierPart
- PurchaseOrder
- SalesOrder

* dart format

* Fix image prefix

* Remove unused import

* Adjust API version

lib/widget/part/part_detail.dart

@@ -5,6 +5,7 @@ import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
 import "package:inventree/app_colors.dart";
 import "package:inventree/barcode/barcode.dart";
 import "package:inventree/inventree/attachment.dart";
+import "package:inventree/inventree/parameter.dart";
 import "package:inventree/l10.dart";
 import "package:inventree/helpers.dart";
 
@@ -16,10 +17,10 @@ import "package:inventree/preferences.dart";
 
 import "package:inventree/widget/attachment_widget.dart";
 import "package:inventree/widget/link_icon.dart";
+import "package:inventree/widget/parameter_widget.dart";
 import "package:inventree/widget/part/bom_list.dart";
 import "package:inventree/widget/part/part_list.dart";
 import "package:inventree/widget/notes_widget.dart";
-import "package:inventree/widget/part/part_parameter_widget.dart";
 import "package:inventree/widget/part/part_pricing.dart";
 import "package:inventree/widget/progress.dart";
 import "package:inventree/widget/part/category_display.dart";
@@ -50,13 +51,11 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
 
   InvenTreeStockLocation? defaultLocation;
 
-  int parameterCount = 0;
-
   bool allowLabelPrinting = false;
-  bool showParameters = false;
   bool showBom = false;
   bool showPricing = false;
 
+  int parameterCount = 0;
   int attachmentCount = 0;
   int bomCount = 0;
   int usedInCount = 0;
@@ -153,10 +152,6 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       INV_PART_SHOW_PRICING,
       true,
     );
-    showParameters = await InvenTreeSettingsManager().getBool(
-      INV_PART_SHOW_PARAMETERS,
-      true,
-    );
     showBom = await InvenTreeSettingsManager().getBool(INV_PART_SHOW_BOM, true);
     allowLabelPrinting = await InvenTreeSettingsManager().getBool(
       INV_ENABLE_LABEL_PRINTING,
@@ -213,15 +208,30 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
     }
 
     // Request the number of attachments
-    InvenTreeAttachment()
-        .countAttachments(InvenTreePart.MODEL_TYPE, part.pk)
-        .then((int value) {
-          if (mounted) {
-            setState(() {
-              attachmentCount = value;
-            });
-          }
-        });
+    if (api.supportsModernAttachments) {
+      InvenTreeAttachment()
+          .countAttachments(InvenTreePart.MODEL_TYPE, part.pk)
+          .then((int value) {
+            if (mounted) {
+              setState(() {
+                attachmentCount = value;
+              });
+            }
+          });
+    }
+
+    // Request the number of parameters
+    if (api.supportsModernParameters) {
+      InvenTreeParameter()
+          .countParameters(InvenTreePart.MODEL_TYPE, part.pk)
+          .then((int value) {
+            if (mounted) {
+              setState(() {
+                parameterCount = value;
+              });
+            }
+          });
+    }
 
     // If show pricing information?
     if (showPricing) {
@@ -599,6 +609,18 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       ),
     );
 
+    ListTile? parameterTile = ShowParametersItem(
+      context,
+      InvenTreePart.MODEL_TYPE,
+      part.pk,
+      parameterCount,
+      part.canEdit,
+    );
+
+    if (parameterTile != null) {
+      tiles.add(parameterTile);
+    }
+
     ListTile? attachmentTile = ShowAttachmentsItem(
       context,
       InvenTreePart.MODEL_TYPE,
@@ -705,10 +727,6 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
   List<Widget> getTabIcons(BuildContext context) {
     List<Widget> icons = [Tab(text: L10().details), Tab(text: L10().stock)];
 
-    if (showParameters) {
-      icons.add(Tab(text: L10().parameters));
-    }
-
     return icons;
   }
 
@@ -721,11 +739,6 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       ),
       PaginatedStockItemList({"part": part.pk.toString()}),
     ];
-
-    if (showParameters) {
-      tabs.add(PaginatedParameterList({"part": part.pk.toString()}));
-    }
-
     return tabs;
   }
 }

lib/widget/part/part_parameter_widget.dart

@@ -1,140 +0,0 @@
-import "package:flutter/material.dart";
-import "package:inventree/inventree/model.dart";
-
-import "package:inventree/l10.dart";
-import "package:inventree/inventree/part.dart";
-import "package:inventree/widget/paginator.dart";
-import "package:inventree/widget/progress.dart";
-import "package:inventree/widget/refreshable_state.dart";
-
-/*
- * Widget for displaying a list of parameters associated with a given Part instance
- */
-class PartParameterWidget extends StatefulWidget {
-  const PartParameterWidget(this.part);
-
-  final InvenTreePart part;
-
-  @override
-  _ParameterWidgetState createState() => _ParameterWidgetState();
-}
-
-class _ParameterWidgetState extends RefreshableState<PartParameterWidget> {
-  _ParameterWidgetState();
-
-  @override
-  String getAppBarTitle() {
-    return L10().parameters;
-  }
-
-  @override
-  List<Widget> appBarActions(BuildContext context) {
-    return [];
-  }
-
-  @override
-  Widget getBody(BuildContext context) {
-    Map<String, String> filters = {"part": widget.part.pk.toString()};
-
-    return Column(children: [Expanded(child: PaginatedParameterList(filters))]);
-  }
-}
-
-/*
- * Widget for displaying a paginated list of Part parameters
- */
-class PaginatedParameterList extends PaginatedSearchWidget {
-  const PaginatedParameterList(Map<String, String> filters)
-    : super(filters: filters);
-
-  @override
-  String get searchTitle => L10().parameters;
-
-  @override
-  _PaginatedParameterState createState() => _PaginatedParameterState();
-}
-
-class _PaginatedParameterState
-    extends PaginatedSearchState<PaginatedParameterList> {
-  _PaginatedParameterState() : super();
-
-  @override
-  String get prefix => "parameters_";
-
-  @override
-  Map<String, String> get orderingOptions => {};
-
-  @override
-  Map<String, Map<String, dynamic>> get filterOptions => {
-    // TODO
-  };
-
-  @override
-  Future<InvenTreePageResponse?> requestPage(
-    int limit,
-    int offset,
-    Map<String, String> params,
-  ) async {
-    final page = await InvenTreePartParameter().listPaginated(
-      limit,
-      offset,
-      filters: params,
-    );
-
-    return page;
-  }
-
-  Future<void> editParameter(InvenTreePartParameter parameter) async {
-    // Checkbox values are handled separately
-    if (parameter.is_checkbox) {
-      return;
-    } else {
-      parameter.editForm(
-        context,
-        L10().editParameter,
-        onSuccess: (data) async {
-          updateSearchTerm();
-        },
-      );
-    }
-  }
-
-  @override
-  Widget buildItem(BuildContext context, InvenTreeModel model) {
-    InvenTreePartParameter parameter = model as InvenTreePartParameter;
-
-    String title = parameter.name;
-
-    if (parameter.units.isNotEmpty) {
-      title += " [${parameter.units}]";
-    }
-
-    return ListTile(
-      title: Text(title),
-      subtitle: Text(parameter.description),
-      trailing: parameter.is_checkbox
-          ? Switch(
-              value: parameter.as_bool,
-              onChanged: (bool value) {
-                if (parameter.canEdit) {
-                  showLoadingOverlay();
-                  parameter.update(values: {"data": value.toString()}).then((
-                    value,
-                  ) async {
-                    hideLoadingOverlay();
-                    updateSearchTerm();
-                  });
-                }
-              },
-            )
-          : Text(parameter.value),
-      onTap: parameter.is_checkbox
-          ? null
-          : () async {
-              if (parameter.canEdit) {
-                editParameter(parameter);
-              }
-            },
-    );
-  }
-}