Merge pull request #1 from HendrikRauh/login-with-token

Implement token-based login method

.envrc

@@ -0,0 +1,9 @@
+# When nix is available, use the flake for environment management
+if command -v nix &> /dev/null; then
+    if type use_flake &> /dev/null; then
+        use flake
+    else
+        echo "Falling back to nix develop (nix-direnv not available)"
+        eval "$(nix develop --print-env 2>/dev/null || echo 'echo Failed to load nix environment')"
+    fi
+fi

.gitignore

@@ -1,4 +1,5 @@
 # Miscellaneous
+*.bak
 *.class
 *.log
 *.pyc
@@ -6,6 +7,7 @@
 .DS_Store
 .atom/
 .buildlog/
+.direnv/
 .history
 .svn/
 

assets/release_notes.md

@@ -1,9 +1,16 @@
-### x.xx.x - Month Year
+## 0.22.1 - February 2026
 ---
 
+- Fixes bug related to fetching images from remote URLs
+
+### 0.22.0 - February 2026
+---
+
+- Display overall part requirements on part detail view
 - Support display of custom status codes
 - Fix default values for list sorting
-
+- Fix bug related to null values in list filters
+- Updated translations
 
 ### 0.21.2 - January 2026
 ---

flake.lock

@@ -0,0 +1,78 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1769170682,
+        "narHash": "sha256-oMmN1lVQU0F0W2k6OI3bgdzp2YOHWYUAw79qzDSjenU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c5296fdd05cfa2c187990dd909864da9658df755",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-flutter": {
+      "locked": {
+        "lastModified": 1751285371,
+        "narHash": "sha256-/hDU+2AUeFFu5qGHO/UyFMc4UG/x5Cw5uXO36KGTk6c=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b9c03fbbaf84d85bb28eee530c7e9edc4021ca1b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b9c03fbbaf84d85bb28eee530c7e9edc4021ca1b",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-flutter": "nixpkgs-flutter"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,113 @@
+{
+  description = "InvenTree App Development Environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs-flutter.url = "github:NixOS/nixpkgs/b9c03fbbaf84d85bb28eee530c7e9edc4021ca1b";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      nixpkgs-flutter,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config = {
+            allowUnfree = true;
+            android_sdk.accept_license = true;
+          };
+          overlays = [
+            (final: prev: {
+              flutter-pkg = import (self.inputs.nixpkgs-flutter) { inherit system; };
+            })
+          ];
+        };
+
+        androidSdk =
+          (pkgs.androidenv.composeAndroidPackages {
+            platformVersions = [
+              "35"
+              "34"
+            ];
+            buildToolsVersions = [
+              "35.0.0"
+              "34.0.0"
+            ];
+            includeNDK = true;
+            ndkVersions = [ "26.1.10909125" ];
+            cmakeVersions = [ "3.22.1" ];
+          }).androidsdk;
+
+        linuxOptionals = with pkgs; [
+          gtk3
+          glib
+          pcre
+          libepoxy
+          libxkbcommon
+          dbus
+          at-spi2-core
+          file
+        ];
+
+        fvmScript = ''
+          case "$1" in
+            use)
+              echo "✓ Using Flutter from Nix ($(flutter --version | head -n1))"
+              exit 0
+              ;;
+            flutter)
+              shift
+              exec flutter "$@"
+              ;;
+            dart)
+              shift
+              exec dart "$@"
+              ;;
+            *)
+              echo "fvm wrapper: command '$1' not implemented (using Nix-managed Flutter)" >&2
+              exit 1
+              ;;
+          esac
+        '';
+        fvm-wrapper = pkgs.writeShellScriptBin "fvm" fvmScript;
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs =
+            with pkgs;
+            [
+              flutter-pkg.flutter
+              fvm-wrapper
+              jdk17
+              android-tools
+              gradle
+              python3
+              python3Packages.invoke
+              jq
+              git
+              curl
+              unzip
+              which
+            ]
+            ++ lib.optionals stdenv.isLinux linuxOptionals;
+
+          shellHook = ''
+            export ANDROID_HOME="${androidSdk}/libexec/android-sdk"
+            export ANDROID_SDK_ROOT="$ANDROID_HOME"
+            export PATH="$ANDROID_HOME/platform-tools:$ANDROID_HOME/tools/bin:$PATH"
+            export JAVA_HOME="${pkgs.jdk17}"
+            export GRADLE_OPTS="-Dorg.gradle.project.android.aapt2FromMavenOverride=$ANDROID_HOME/build-tools/35.0.0/aapt2"
+          '';
+
+          LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath (with pkgs; linuxOptionals);
+        };
+      }
+    );
+}

lib/api.dart

@@ -163,6 +163,7 @@ class InvenTreeFileService extends FileService {
  *
  * InvenTree implements token-based authentication, which is
  * initialised using a username:password combination.
+ * Alternatively, an existing token provided by the user can be used for authentication.
  */
 
 /*
@@ -213,30 +214,27 @@ class InvenTreeAPI {
     return url;
   }
 
-  String _makeUrl(String url) {
-    // Strip leading slash
-    if (url.startsWith("/")) {
-      url = url.substring(1, url.length);
+  // Resolve a relative or absolute URL
+  String _makeUrl(String url, {String base = ""}) {
+    final baseUri = Uri.parse(base.isNotEmpty ? base : baseUrl);
+    final pathUri = Uri.parse(url);
+
+    // If path is absolute (has scheme), ignore base
+    if (pathUri.hasScheme) {
+      return pathUri.toString();
     }
 
-    // Prevent double-slash
-    url = url.replaceAll("//", "/");
-
-    return baseUrl + url;
+    return baseUri.resolveUri(pathUri).toString();
   }
 
-  String get apiUrl => _makeUrl("/api/");
-
-  String get imageUrl => _makeUrl("/image/");
-
   String makeApiUrl(String endpoint) {
-    if (endpoint.startsWith("/api/") || endpoint.startsWith("api/")) {
-      return _makeUrl(endpoint);
-    } else {
-      return _makeUrl("/api/${endpoint}");
-    }
+    String apiBase = makeUrl("/api/");
+
+    return _makeUrl(endpoint, base: apiBase);
   }
 
+  String get apiUrl => makeApiUrl("");
+
   String makeUrl(String endpoint) => _makeUrl(endpoint);
 
   UserProfile? profile;
@@ -353,6 +351,9 @@ class InvenTreeAPI {
   // Supports separate search against "supplier" / "customer" / "manufacturer"
   bool get supportsSplitCompanySearch => apiVersion >= 315;
 
+  // Supports "requirements" information for specific part
+  bool get supportsPartRequirements => apiVersion >= 350;
+
   // Does the server support the "modern" (consolidated) parameter API?
   // Ref: https://github.com/inventree/InvenTree/pull/10699
   bool get supportsModernParameters => apiVersion >= 429;
@@ -540,6 +541,40 @@ class InvenTreeAPI {
     }
   }
 
+  Future<APIResponse> checkToken(UserProfile userProfile, String token) async {
+    debug("Checking token @ ${_URL_ME}");
+
+    userProfile.token = token;
+    profile = userProfile;
+
+    final response = await get(_URL_ME);
+
+    if (!response.successful()) {
+      switch (response.statusCode) {
+        case 401:
+        case 403:
+          showServerError(
+            apiUrl,
+            L10().serverAuthenticationError,
+            L10().invalidToken,
+          );
+        default:
+          showStatusCodeError(apiUrl, response.statusCode);
+      }
+
+      debug("Request failed: STATUS ${response.statusCode}");
+
+      // reset token
+      userProfile.token = "";
+      profile = userProfile;
+    } else {
+      // save token
+      await UserProfileDBManager().updateProfile(userProfile);
+    }
+
+    return response;
+  }
+
   /*
    * Fetch a token from the server,
    * with a temporary authentication header
@@ -1140,7 +1175,7 @@ class InvenTreeAPI {
    * Perform a request to link a custom barcode to a particular item
    */
   Future<bool> linkBarcode(Map<String, String> body) async {
-    HttpClientRequest? request = await apiRequest("/barcode/link/", "POST");
+    HttpClientRequest? request = await apiRequest("barcode/link/", "POST");
 
     if (request == null) {
       return false;
@@ -1159,7 +1194,7 @@ class InvenTreeAPI {
    * Perform a request to unlink a custom barcode from a particular item
    */
   Future<bool> unlinkBarcode(Map<String, dynamic> body) async {
-    HttpClientRequest? request = await apiRequest("/barcode/unlink/", "POST");
+    HttpClientRequest? request = await apiRequest("barcode/unlink/", "POST");
 
     if (request == null) {
       return false;

lib/inventree/part.dart

@@ -214,6 +214,27 @@ class InvenTreePart extends InvenTreeModel {
         });
   }
 
+  // Request requirements information for this part
+  Future<InvenTreePartRequirements?> getRequirements() async {
+    try {
+      final response = await InvenTreeAPI().get(
+        "/api/part/${pk}/requirements/",
+      );
+      if (response.isValid()) {
+        final requirementsData = response.data;
+
+        if (requirementsData is Map<String, dynamic>) {
+          return InvenTreePartRequirements.fromJson(requirementsData);
+        }
+      }
+    } catch (e, stackTrace) {
+      print("Exception while fetching requirements data for part $pk: $e");
+      sentryReportError("getRequirements", e, stackTrace);
+    }
+
+    return null;
+  }
+
   // Request pricing data for this part
   Future<InvenTreePartPricing?> getPricing() async {
     try {
@@ -437,6 +458,43 @@ class InvenTreePart extends InvenTreeModel {
       InvenTreePart.fromJson(json);
 }
 
+/*
+ * Class representing requirements information for a given Part instance.
+ */
+class InvenTreePartRequirements extends InvenTreeModel {
+  InvenTreePartRequirements() : super();
+
+  InvenTreePartRequirements.fromJson(Map<String, dynamic> json)
+    : super.fromJson(json);
+
+  @override
+  List<String> get rolesRequired => ["part"];
+
+  @override
+  InvenTreeModel createFromJson(Map<String, dynamic> json) =>
+      InvenTreePartRequirements.fromJson(json);
+
+  // Data accessors
+  double get canBuild => getDouble("can_build");
+
+  double get ordering => getDouble("ordering");
+
+  double get building => getDouble("building");
+
+  double get scheduledToBuild => getDouble("scheduled_to_build");
+
+  double get requiredForBuildOrders => getDouble("required_for_build_orders");
+
+  double get allocatedToBuildOrders => getDouble("allocated_to_build_orders");
+
+  double get requiredForSalesOrders => getDouble("required_for_sales_orders");
+
+  double get allocatedToSalesOrders => getDouble("allocated_to_sales_orders");
+}
+
+/*
+ * Class representing pricing information for a given Part instance.
+ */
 class InvenTreePartPricing extends InvenTreeModel {
   InvenTreePartPricing() : super();
 

lib/inventree/stock.dart

@@ -534,19 +534,19 @@ class InvenTreeStockItem extends InvenTreeModel {
   }
 
   Future<bool> countStock(double q, {String? notes}) async {
-    final bool result = await adjustStock("/stock/count/", q, notes: notes);
+    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);
+    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);
+    final bool result = await adjustStock("stock/remove/", q, notes: notes);
 
     return result;
   }
@@ -563,7 +563,7 @@ class InvenTreeStockItem extends InvenTreeModel {
     }
 
     final bool result = await adjustStock(
-      "/stock/transfer/",
+      "stock/transfer/",
       q,
       notes: notes,
       location: location,

lib/l10n/app_en.arb

@@ -68,6 +68,12 @@
   "allocatedStock": "Allocated Stock",
   "@allocatedStock": {},
 
+  "allocatedToBuildOrders": "Allocated to Build Orders",
+  "@allocatedToBuildOrders": {},
+
+  "allocatedToSalesOrders": "Allocated to Sales Orders",
+  "@allocatedToSalesOrders": {},
+
   "appReleaseNotes": "Display app release notes",
   "@appReleaseNotes": {},
 
@@ -226,6 +232,12 @@
   "cameraInternalDetail": "Use internal camera to read barcodes",
   "@cameraInternalDetail": {},
 
+  "canBuild": "Can Build",
+  "@canBuild": {},
+
+  "canBuildDetail": "Can be produced with current stock",
+  "@canBuildDetail": {},
+
   "cancel": "Cancel",
   "@cancel": {
     "description": "Cancel"
@@ -418,6 +430,9 @@
   "enterPassword": "Enter password",
   "@enterPassword": {},
 
+  "enterToken": "Enter API token",
+  "@enterToken": {},
+
   "enterUsername": "Enter username",
   "@enterUsername": {},
 
@@ -665,6 +680,9 @@
   "invalidSupplierPart": "Invalid Supplier Part",
   "@invalidSupplierPart": {},
 
+  "invalidToken": "Invalid token",
+  "@invalidToken": {},
+
   "invalidUsernamePassword": "Invalid username / password combination",
   "@invalidUsernamePassword": {},
 
@@ -770,6 +788,9 @@
   "login": "Login",
   "@login": {},
 
+  "loginMethod": "Login method",
+  "@loginMethod": {},
+
   "loginEnter": "Enter login details",
   "@loginEnter": {},
 
@@ -936,6 +957,12 @@
   "partPricingSettingDetail": "Display part pricing information",
   "@pricingSettingDetail": {},
 
+  "partRequirements": "Part Requirements",
+  "@partRequirements": {},
+
+  "partRequirementsSettingDetail": "Display part requirements",
+  "@partRequirementsSettingDetail": {},
+
   "partSettings": "Part Settings",
   "@partSettings": {},
 
@@ -1535,6 +1562,9 @@
   "stockLocations": "Stock Locations",
   "@stockLocations": {},
 
+  "stockSettings": "Stock Settings",
+  "@stockSettings": {},
+
   "stockTopLevel": "Top level stock location",
   "@stockTopLevel": {},
 
@@ -1644,6 +1674,12 @@
   "toggleTorch": "Toggle Torch",
   "@toggleTorch": {},
 
+  "token": "Token",
+  "@token": {},
+
+  "tokenEmpty": "Token cannot be empty",
+  "@tokenEmpty": {},
+
   "tokenError": "Token Error",
   "@tokenError": {},
 
@@ -1720,6 +1756,9 @@
   "username": "Username",
   "@username": {},
 
+  "usernameAndPassword": "Username & Password",
+  "@usernameAndPassword": {},
+
   "usernameEmpty": "Username cannot be empty",
   "@usernameEmpty": {},
 

lib/preferences.dart

@@ -34,6 +34,7 @@ const String INV_LABEL_DEFAULT_PLUGIN = "defaultLabelPlugin";
 // Part settings
 const String INV_PART_SHOW_BOM = "partShowBom";
 const String INV_PART_SHOW_PRICING = "partShowPricing";
+const String INV_PART_SHOW_REQUIREMENTS = "partShowRequirements";
 
 // Stock settings
 const String INV_STOCK_SHOW_HISTORY = "stockShowHistory";

lib/settings/login.dart

@@ -8,6 +8,8 @@ import "package:inventree/api.dart";
 import "package:inventree/widget/dialogs.dart";
 import "package:inventree/widget/progress.dart";
 
+enum LoginMethod { credentials, token }
+
 class InvenTreeLoginWidget extends StatefulWidget {
   const InvenTreeLoginWidget(this.profile) : super();
 
@@ -22,9 +24,12 @@ class _InvenTreeLoginState extends State<InvenTreeLoginWidget> {
 
   String username = "";
   String password = "";
+  String token = "";
 
   bool _obscured = true;
 
+  LoginMethod _method = LoginMethod.credentials;
+
   String error = "";
 
   // Attempt login
@@ -44,12 +49,19 @@ class _InvenTreeLoginState extends State<InvenTreeLoginWidget> {
 
       showLoadingOverlay();
 
-      // Attempt login
-      final response = await InvenTreeAPI().fetchToken(
-        widget.profile,
-        username,
-        password,
-      );
+      final APIResponse response;
+
+      if (_method == LoginMethod.credentials) {
+        // Attempt login
+        response = await InvenTreeAPI().fetchToken(
+          widget.profile,
+          username,
+          password,
+        );
+      } else {
+        // Check token validity
+        response = await InvenTreeAPI().checkToken(widget.profile, token);
+      }
 
       hideLoadingOverlay();
 
@@ -123,55 +135,120 @@ class _InvenTreeLoginState extends State<InvenTreeLoginWidget> {
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
               ...before,
-              TextFormField(
-                decoration: InputDecoration(
-                  labelText: L10().username,
-                  labelStyle: TextStyle(fontWeight: FontWeight.bold),
-                  hintText: L10().enterUsername,
-                ),
-                initialValue: "",
-                keyboardType: TextInputType.text,
-                onSaved: (value) {
-                  username = value?.trim() ?? "";
-                },
-                validator: (value) {
-                  if (value == null || value.trim().isEmpty) {
-                    return L10().usernameEmpty;
-                  }
-
-                  return null;
-                },
-              ),
-              TextFormField(
-                decoration: InputDecoration(
-                  labelText: L10().password,
-                  labelStyle: TextStyle(fontWeight: FontWeight.bold),
-                  hintText: L10().enterPassword,
-                  suffixIcon: IconButton(
-                    icon: _obscured
-                        ? Icon(TablerIcons.eye)
-                        : Icon(TablerIcons.eye_off),
-                    onPressed: () {
-                      setState(() {
-                        _obscured = !_obscured;
-                      });
-                    },
+              // Dropdown to select login method
+              Padding(
+                padding: EdgeInsets.symmetric(vertical: 8),
+                child: DropdownButtonFormField<LoginMethod>(
+                  value: _method,
+                  decoration: InputDecoration(
+                    labelText: L10().loginMethod,
+                    labelStyle: TextStyle(fontWeight: FontWeight.bold),
                   ),
+                  items: [
+                    DropdownMenuItem(
+                      child: Text(L10().usernameAndPassword),
+                      value: LoginMethod.credentials,
+                    ),
+                    DropdownMenuItem(
+                      child: Text(L10().token),
+                      value: LoginMethod.token,
+                    ),
+                  ],
+                  onChanged: (val) {
+                    setState(() {
+                      _method = val ?? LoginMethod.credentials;
+                      error = "";
+                    });
+                  },
                 ),
-                initialValue: "",
-                keyboardType: TextInputType.visiblePassword,
-                obscureText: _obscured,
-                onSaved: (value) {
-                  password = value?.trim() ?? "";
-                },
-                validator: (value) {
-                  if (value == null || value.trim().isEmpty) {
-                    return L10().passwordEmpty;
-                  }
-
-                  return null;
-                },
               ),
+
+              // Show fields depending on selected login method
+              if (_method == LoginMethod.credentials) ...[
+                TextFormField(
+                  key: ValueKey("input-username"),
+                  decoration: InputDecoration(
+                    labelText: L10().username,
+                    labelStyle: TextStyle(fontWeight: FontWeight.bold),
+                    hintText: L10().enterUsername,
+                  ),
+                  initialValue: "",
+                  keyboardType: TextInputType.text,
+                  onSaved: (value) {
+                    username = value?.trim() ?? "";
+                  },
+                  validator: (value) {
+                    if (value == null || value.trim().isEmpty) {
+                      return L10().usernameEmpty;
+                    }
+
+                    return null;
+                  },
+                ),
+                TextFormField(
+                  key: ValueKey("input-password"),
+                  decoration: InputDecoration(
+                    labelText: L10().password,
+                    labelStyle: TextStyle(fontWeight: FontWeight.bold),
+                    hintText: L10().enterPassword,
+                    suffixIcon: IconButton(
+                      icon: _obscured
+                          ? Icon(TablerIcons.eye)
+                          : Icon(TablerIcons.eye_off),
+                      onPressed: () {
+                        setState(() {
+                          _obscured = !_obscured;
+                        });
+                      },
+                    ),
+                  ),
+                  initialValue: "",
+                  keyboardType: TextInputType.visiblePassword,
+                  obscureText: _obscured,
+                  onSaved: (value) {
+                    password = value?.trim() ?? "";
+                  },
+                  validator: (value) {
+                    if (value == null || value.trim().isEmpty) {
+                      return L10().passwordEmpty;
+                    }
+
+                    return null;
+                  },
+                ),
+              ] else ...[
+                TextFormField(
+                  key: ValueKey("input-token"),
+                  decoration: InputDecoration(
+                    labelText: L10().token,
+                    labelStyle: TextStyle(fontWeight: FontWeight.bold),
+                    hintText: L10().enterToken,
+                    suffixIcon: IconButton(
+                      icon: _obscured
+                          ? Icon(TablerIcons.eye)
+                          : Icon(TablerIcons.eye_off),
+                      onPressed: () {
+                        setState(() {
+                          _obscured = !_obscured;
+                        });
+                      },
+                    ),
+                  ),
+                  initialValue: "",
+                  keyboardType: TextInputType.visiblePassword,
+                  obscureText: _obscured,
+                  onSaved: (value) {
+                    token = value?.trim() ?? "";
+                  },
+                  validator: (value) {
+                    if (value == null || value.trim().isEmpty) {
+                      return L10().tokenEmpty;
+                    }
+
+                    return null;
+                  },
+                ),
+              ],
               ...after,
             ],
           ),

lib/settings/part_settings.dart

@@ -15,9 +15,7 @@ class _InvenTreePartSettingsState extends State<InvenTreePartSettingsWidget> {
 
   bool partShowBom = true;
   bool partShowPricing = true;
-  bool stockShowHistory = false;
-  bool stockShowTests = false;
-  bool stockConfirmScan = false;
+  bool partShowRequirements = false;
 
   @override
   void initState() {
@@ -35,16 +33,8 @@ class _InvenTreePartSettingsState extends State<InvenTreePartSettingsWidget> {
       INV_PART_SHOW_PRICING,
       true,
     );
-    stockShowHistory = await InvenTreeSettingsManager().getBool(
-      INV_STOCK_SHOW_HISTORY,
-      false,
-    );
-    stockShowTests = await InvenTreeSettingsManager().getBool(
-      INV_STOCK_SHOW_TESTS,
-      true,
-    );
-    stockConfirmScan = await InvenTreeSettingsManager().getBool(
-      INV_STOCK_CONFIRM_SCAN,
+    partShowRequirements = await InvenTreeSettingsManager().getBool(
+      INV_PART_SHOW_REQUIREMENTS,
       false,
     );
 
@@ -94,54 +84,19 @@ class _InvenTreePartSettingsState extends State<InvenTreePartSettingsWidget> {
                 },
               ),
             ),
-            Divider(),
             ListTile(
-              title: Text(L10().stockItemHistory),
-              subtitle: Text(L10().stockItemHistoryDetail),
-              leading: Icon(TablerIcons.history),
+              title: Text(L10().partRequirements),
+              subtitle: Text(L10().partRequirementsSettingDetail),
+              leading: Icon(TablerIcons.list),
               trailing: Switch(
-                value: stockShowHistory,
+                value: partShowRequirements,
                 onChanged: (bool value) {
                   InvenTreeSettingsManager().setValue(
-                    INV_STOCK_SHOW_HISTORY,
+                    INV_PART_SHOW_REQUIREMENTS,
                     value,
                   );
                   setState(() {
-                    stockShowHistory = value;
-                  });
-                },
-              ),
-            ),
-            ListTile(
-              title: Text(L10().testResults),
-              subtitle: Text(L10().testResultsDetail),
-              leading: Icon(TablerIcons.test_pipe),
-              trailing: Switch(
-                value: stockShowTests,
-                onChanged: (bool value) {
-                  InvenTreeSettingsManager().setValue(
-                    INV_STOCK_SHOW_TESTS,
-                    value,
-                  );
-                  setState(() {
-                    stockShowTests = value;
-                  });
-                },
-              ),
-            ),
-            ListTile(
-              title: Text(L10().confirmScan),
-              subtitle: Text(L10().confirmScanDetail),
-              leading: Icon(TablerIcons.qrcode),
-              trailing: Switch(
-                value: stockConfirmScan,
-                onChanged: (bool value) {
-                  InvenTreeSettingsManager().setValue(
-                    INV_STOCK_CONFIRM_SCAN,
-                    value,
-                  );
-                  setState(() {
-                    stockConfirmScan = value;
+                    partShowRequirements = value;
                   });
                 },
               ),

lib/settings/settings.dart

@@ -1,5 +1,6 @@
 import "package:flutter/material.dart";
 import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
+import "package:inventree/settings/stock_settings.dart";
 import "package:package_info_plus/package_info_plus.dart";
 
 import "package:inventree/app_colors.dart";
@@ -119,6 +120,20 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
                 );
               },
             ),
+            ListTile(
+              title: Text(L10().stock),
+              subtitle: Text(L10().stockSettings),
+              leading: Icon(TablerIcons.packages, color: COLOR_ACTION),
+              trailing: LinkIcon(),
+              onTap: () {
+                Navigator.push(
+                  context,
+                  MaterialPageRoute(
+                    builder: (context) => InvenTreeStockSettingsWidget(),
+                  ),
+                );
+              },
+            ),
             ListTile(
               title: Text(L10().purchaseOrder),
               subtitle: Text(L10().purchaseOrderSettings),

lib/settings/stock_settings.dart

@@ -0,0 +1,110 @@
+import "package:flutter/material.dart";
+import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
+import "package:inventree/app_colors.dart";
+import "package:inventree/l10.dart";
+import "package:inventree/preferences.dart";
+
+class InvenTreeStockSettingsWidget extends StatefulWidget {
+  @override
+  _InvenTreeStockSettingsState createState() => _InvenTreeStockSettingsState();
+}
+
+class _InvenTreeStockSettingsState extends State<InvenTreeStockSettingsWidget> {
+  _InvenTreeStockSettingsState();
+
+  bool stockShowHistory = false;
+  bool stockShowTests = false;
+  bool stockConfirmScan = false;
+
+  @override
+  void initState() {
+    super.initState();
+    loadSettings();
+  }
+
+  Future<void> loadSettings() async {
+    stockShowHistory = await InvenTreeSettingsManager().getBool(
+      INV_STOCK_SHOW_HISTORY,
+      false,
+    );
+    stockShowTests = await InvenTreeSettingsManager().getBool(
+      INV_STOCK_SHOW_TESTS,
+      true,
+    );
+    stockConfirmScan = await InvenTreeSettingsManager().getBool(
+      INV_STOCK_CONFIRM_SCAN,
+      false,
+    );
+
+    if (mounted) {
+      setState(() {});
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(L10().stockSettings),
+        backgroundColor: COLOR_APP_BAR,
+      ),
+      body: Container(
+        child: ListView(
+          children: [
+            ListTile(
+              title: Text(L10().stockItemHistory),
+              subtitle: Text(L10().stockItemHistoryDetail),
+              leading: Icon(TablerIcons.history),
+              trailing: Switch(
+                value: stockShowHistory,
+                onChanged: (bool value) {
+                  InvenTreeSettingsManager().setValue(
+                    INV_STOCK_SHOW_HISTORY,
+                    value,
+                  );
+                  setState(() {
+                    stockShowHistory = value;
+                  });
+                },
+              ),
+            ),
+            ListTile(
+              title: Text(L10().testResults),
+              subtitle: Text(L10().testResultsDetail),
+              leading: Icon(TablerIcons.test_pipe),
+              trailing: Switch(
+                value: stockShowTests,
+                onChanged: (bool value) {
+                  InvenTreeSettingsManager().setValue(
+                    INV_STOCK_SHOW_TESTS,
+                    value,
+                  );
+                  setState(() {
+                    stockShowTests = value;
+                  });
+                },
+              ),
+            ),
+            ListTile(
+              title: Text(L10().confirmScan),
+              subtitle: Text(L10().confirmScanDetail),
+              leading: Icon(TablerIcons.qrcode),
+              trailing: Switch(
+                value: stockConfirmScan,
+                onChanged: (bool value) {
+                  InvenTreeSettingsManager().setValue(
+                    INV_STOCK_CONFIRM_SCAN,
+                    value,
+                  );
+                  setState(() {
+                    stockConfirmScan = value;
+                  });
+                },
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/widget/paginator.dart

@@ -61,6 +61,14 @@ abstract class PaginatedSearchState<T extends PaginatedSearchWidget>
       backup,
     );
 
+    if (result == "null") {
+      if (tristate) {
+        return null;
+      } else {
+        return backup;
+      }
+    }
+
     return result;
   }
 
@@ -69,7 +77,7 @@ abstract class PaginatedSearchState<T extends PaginatedSearchWidget>
     final String settings_key = "${prefix}filter_${key}";
 
     if (value == null) {
-      await InvenTreeSettingsManager().removeValue(settings_key);
+      await InvenTreeSettingsManager().setValue(settings_key, "null");
     } else {
       await InvenTreeSettingsManager().setValue(settings_key, value);
     }

lib/widget/part/bom_list.dart

@@ -123,10 +123,22 @@ class _PaginatedBomListState extends PaginatedSearchState<PaginatedBomList> {
 
   @override
   Map<String, Map<String, dynamic>> get filterOptions => {
+    "sub_part_active": {
+      "label": L10().filterActive,
+      "help_text": L10().filterActiveDetail,
+      "tristate": true,
+      "default": true,
+    },
     "sub_part_assembly": {
       "label": L10().filterAssembly,
       "help_text": L10().filterAssemblyDetail,
     },
+    "sub_part_virtual": {
+      "label": L10().filterVirtual,
+      "help_text": L10().filterVirtualDetail,
+      "tristate": true,
+      "default": true,
+    },
   };
 
   @override

lib/widget/part/part_detail.dart

@@ -54,6 +54,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
   bool allowLabelPrinting = false;
   bool showBom = false;
   bool showPricing = false;
+  bool showRequirements = false;
 
   int parameterCount = 0;
   int attachmentCount = 0;
@@ -62,6 +63,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
   int variantCount = 0;
 
   InvenTreePartPricing? partPricing;
+  InvenTreePartRequirements? partRequirements;
 
   @override
   String getAppBarTitle() => L10().partDetails;
@@ -148,6 +150,12 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
     final bool result = await part.reload();
 
     // Load page settings from local storage
+
+    showRequirements = await InvenTreeSettingsManager().getBool(
+      INV_PART_SHOW_REQUIREMENTS,
+      false,
+    );
+
     showPricing = await InvenTreeSettingsManager().getBool(
       INV_PART_SHOW_PRICING,
       true,
@@ -233,6 +241,23 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
           });
     }
 
+    // If show requirements information?
+    if (showRequirements && api.supportsPartRequirements) {
+      part.getRequirements().then((InvenTreePartRequirements? requirements) {
+        if (mounted) {
+          setState(() {
+            partRequirements = requirements;
+          });
+        }
+      });
+    } else {
+      if (mounted) {
+        setState(() {
+          partRequirements = null;
+        });
+      }
+    }
+
     // If show pricing information?
     if (showPricing) {
       part.getPricing().then((InvenTreePartPricing? pricing) {
@@ -242,6 +267,12 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
           });
         }
       });
+    } else {
+      if (mounted) {
+        setState(() {
+          partPricing = null;
+        });
+      }
     }
 
     // Request the number of BOM items
@@ -434,6 +465,103 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       );
     }
 
+    // Part "requirements"
+    if (showRequirements &&
+        api.supportsPartRequirements &&
+        partRequirements != null) {
+      // Assembly parts
+      if (part.isAssembly) {
+        // Scheduled to build
+        if (partRequirements!.building > 0 ||
+            partRequirements!.scheduledToBuild > 0) {
+          tiles.add(
+            ListTile(
+              title: Text(L10().building),
+              subtitle: ProgressBar(
+                partRequirements!.building,
+                maximum: partRequirements!.scheduledToBuild,
+              ),
+              leading: Icon(TablerIcons.tools),
+              trailing: ProgressText(
+                partRequirements!.building,
+                maximum: partRequirements!.scheduledToBuild,
+              ),
+            ),
+          );
+        }
+
+        // Can build
+        if (part.isActive) {
+          tiles.add(
+            ListTile(
+              title: Text(L10().canBuild),
+              subtitle: Text(L10().canBuildDetail),
+              trailing: LargeText(
+                simpleNumberString(partRequirements!.canBuild),
+              ),
+              leading: Icon(TablerIcons.check),
+            ),
+          );
+        }
+      }
+
+      // Build requirements
+      if (partRequirements!.requiredForBuildOrders > 0 ||
+          partRequirements!.allocatedToBuildOrders > 0) {
+        tiles.add(
+          ListTile(
+            title: Text(L10().allocatedToBuildOrders),
+            subtitle: ProgressBar(
+              partRequirements!.allocatedToBuildOrders,
+              maximum: partRequirements!.requiredForBuildOrders,
+            ),
+            trailing: ProgressText(
+              partRequirements!.allocatedToBuildOrders,
+              maximum: partRequirements!.requiredForBuildOrders,
+            ),
+            leading: Icon(TablerIcons.tools),
+          ),
+        );
+      }
+
+      // Sales requirements
+      if (part.isSalable) {
+        if (partRequirements!.requiredForSalesOrders > 0 ||
+            partRequirements!.allocatedToSalesOrders > 0) {
+          tiles.add(
+            ListTile(
+              title: Text(L10().allocatedToSalesOrders),
+              subtitle: ProgressBar(
+                partRequirements!.allocatedToSalesOrders,
+                maximum: partRequirements!.requiredForSalesOrders,
+              ),
+              trailing: ProgressText(
+                partRequirements!.allocatedToSalesOrders,
+                maximum: partRequirements!.requiredForSalesOrders,
+              ),
+              leading: Icon(TablerIcons.truck_delivery),
+            ),
+          );
+        }
+      }
+
+      // Ordering stats
+      if (part.isPurchaseable && partRequirements!.ordering > 0) {
+        // On order
+        tiles.add(
+          ListTile(
+            title: Text(L10().onOrder),
+            subtitle: Text(L10().onOrderDetails),
+            leading: Icon(TablerIcons.shopping_cart),
+            trailing: LargeText("${part.onOrderString}"),
+            onTap: () {
+              // TODO - Order views
+            },
+          ),
+        );
+      }
+    }
+
     if (showPricing && partPricing != null) {
       String pricing = formatPriceRange(
         partPricing?.overallMin,
@@ -462,22 +590,6 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       );
     }
 
-    // Tiles for "purchaseable" parts
-    if (part.isPurchaseable) {
-      // On order
-      tiles.add(
-        ListTile(
-          title: Text(L10().onOrder),
-          subtitle: Text(L10().onOrderDetails),
-          leading: Icon(TablerIcons.shopping_cart),
-          trailing: LargeText("${part.onOrderString}"),
-          onTap: () {
-            // TODO - Order views
-          },
-        ),
-      );
-    }
-
     // Tiles for an "assembly" part
     if (part.isAssembly) {
       if (showBom && bomCount > 0) {

lib/widget/progress.dart

@@ -3,6 +3,8 @@ import "dart:io";
 import "package:flutter/material.dart";
 import "package:flutter_overlay_loader/flutter_overlay_loader.dart";
 import "package:inventree/app_colors.dart";
+import "package:inventree/helpers.dart";
+import "package:inventree/widget/link_icon.dart";
 import "package:one_context/one_context.dart";
 
 /*
@@ -25,6 +27,15 @@ Widget ProgressBar(double value, {double maximum = 1.0}) {
   );
 }
 
+Widget ProgressText(double value, {double maximum = 1.0}) {
+  Color textColor = value < maximum ? COLOR_WARNING : COLOR_SUCCESS;
+
+  String v = simpleNumberString(value);
+  String m = simpleNumberString(maximum);
+
+  return LargeText("${v} / ${m}", color: textColor);
+}
+
 /*
  * Construct a circular progress indicator
  */

pubspec.yaml

@@ -1,7 +1,7 @@
 name: inventree
 description: InvenTree stock management
 
-version: 0.21.2+108
+version: 0.22.1+110
 
 environment:
   sdk: ^3.8.1

test/api_test.dart

@@ -23,6 +23,27 @@ void main() {
     assert(await UserProfileDBManager().selectProfileByName(testServerName));
   });
 
+  // Ensure that generated URLs are correct
+  group("URL Tests:", () {
+    test("Generate URLs", () async {
+      UserProfile profile = await setupServerProfile();
+      var api = InvenTreeAPI();
+
+      api.profile = profile;
+
+      Map<String, String> tests = {
+        "": "http://localhost:8000/api/",
+        "barcode/": "http://localhost:8000/api/barcode/",
+        "https://remote-server.com/media/image.png":
+            "https://remote-server.com/media/image.png",
+      };
+
+      for (var test in tests.entries) {
+        expect(api.makeApiUrl(test.key), equals(test.value));
+      }
+    });
+  });
+
   group("Login Tests:", () {
     test("Disconnected", () async {
       // Test that calling disconnect() does the right thing

update-flutter-nix.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+# This script adjusts flake.nix to use the flutter version
+# pinned in .fvmrc. It fetches the appropriate commit hash.
+
+set -euo pipefail
+
+for cmd in jq curl sed nix; do
+  command -v $cmd >/dev/null 2>&1 || { echo "Error: $cmd is not installed!"; exit 1; }
+done
+
+if [ ! -f .fvmrc ]; then
+  echo ".fvmrc file not found!"
+  exit 1
+fi
+
+FLUTTER_VERSION=$(jq -r .flutter .fvmrc)
+echo "Requested Flutter version: $FLUTTER_VERSION"
+
+API_URL="https://search.devbox.sh/v2/pkg?name=flutter"
+RELEASES_JSON=$(curl -s "$API_URL")
+
+ALL_VERSIONS=$(echo "$RELEASES_JSON" | jq -r '.releases[].version' | sort -V)
+
+FOUND_VERSION=$(echo "$ALL_VERSIONS" | awk -v v="$FLUTTER_VERSION" '$0 >= v { print; exit }')
+
+if [ -z "$FOUND_VERSION" ]; then
+  echo "Error: No matching Flutter version found."
+  exit 1
+fi
+
+if [ "$FOUND_VERSION" != "$FLUTTER_VERSION" ]; then
+  echo "Note: Exact version not found, using version $FOUND_VERSION instead."
+fi
+
+COMMIT=$(echo "$RELEASES_JSON" | jq -r --arg v "$FOUND_VERSION" '.releases[] | select(.version==$v) | .platforms[] | select(.system=="x86_64-linux") | .commit_hash' | head -n 1)
+
+if [ -z "$COMMIT" ] || [ "$COMMIT" == "null" ]; then
+  echo "Error: No commit hash found for version $FOUND_VERSION and platform x86_64-linux."
+  exit 1
+fi
+
+echo "Found commit: $COMMIT (Version: $FOUND_VERSION)"
+
+
+sed -i.bak "s|nixpkgs-flutter.url = \"github:NixOS/nixpkgs/[a-f0-9]*\";|nixpkgs-flutter.url = \"github:NixOS/nixpkgs/$COMMIT\";|" flake.nix
+
+nix flake update nixpkgs-flutter
+
+if command -v direnv >/dev/null 2>&1; then
+  direnv reload
+fi
+
+echo "Success! flake.nix now uses the commit for Flutter $FLUTTER_VERSION (or higher)."