feat: 5203 - "add receipt" and "add price tags", even offline or not found

packages/smooth_app/lib/l10n/app_en.arb

@@ -1710,6 +1710,11 @@
     "prices_send_n_prices": "{count,plural, =1{Send the price} other{Send {count} prices}}",
     "prices_add_an_item": "Add an item",
     "prices_add_a_price": "Add a price",
+    "prices_add_a_receipt": "Add a receipt",
+    "prices_add_price_tags": "Add price tags",
+    "prices_barcode_search_not_found": "Product not found",
+    "prices_barcode_search_none_yet": "No product yet",
+    "prices_barcode_search_question": "Do you want to look for this product?",
     "prices_barcode_search_title": "Product search",
     "prices_barcode_search_running": "Looking for {barcode}",
     "@prices_barcode_search_running": {
@@ -1781,6 +1786,7 @@
     "prices_amount_price_normal": "Price",
     "prices_amount_price_discounted": "Discounted price",
     "prices_amount_price_not_discounted": "Original price",
+    "prices_amount_no_product": "One product is missing!",
     "prices_amount_price_incorrect": "Incorrect value",
     "prices_amount_price_mandatory": "Mandatory value",
     "prices_currency_subtitle": "Currency",

packages/smooth_app/lib/l10n/app_fr.arb

@@ -1678,6 +1678,11 @@
     "prices_send_n_prices": "{count,plural, =1{Envoyer le prix} other{Envoyer {count} prix}}",
     "prices_add_an_item": "Ajouter un article",
     "prices_add_a_price": "Ajouter un prix",
+    "prices_add_a_receipt": "Ajouter un ticket de caisse",
+    "prices_add_price_tags": "Ajouter des étiquettes de prix",
+    "prices_barcode_search_not_found": "Produit non trouvé",
+    "prices_barcode_search_none_yet": "Pas encore de produit",
+    "prices_barcode_search_question": "Voulez-vous chercher ce produit ?",
     "prices_barcode_search_title": "Recherche de produit",
     "prices_barcode_search_running": "À la recherche de {barcode}",
     "@prices_barcode_search_running": {
@@ -1749,6 +1754,7 @@
     "prices_amount_price_normal": "Prix",
     "prices_amount_price_discounted": "Prix en promo",
     "prices_amount_price_not_discounted": "Prix d'origine",
+    "prices_amount_no_product": "Il manque un produit !",
     "prices_amount_price_incorrect": "Valeur incorrecte",
     "prices_amount_price_mandatory": "Valeur obligatoire",
     "prices_currency_subtitle": "Devise",

packages/smooth_app/lib/pages/preferences/user_preferences_account.dart

@@ -18,10 +18,12 @@ import 'package:smooth_app/pages/preferences/user_preferences_item.dart';
 import 'package:smooth_app/pages/preferences/user_preferences_list_tile.dart';
 import 'package:smooth_app/pages/preferences/user_preferences_page.dart';
 import 'package:smooth_app/pages/prices/get_prices_model.dart';
+import 'package:smooth_app/pages/prices/price_meta_product.dart';
 import 'package:smooth_app/pages/prices/price_user_button.dart';
 import 'package:smooth_app/pages/prices/prices_page.dart';
 import 'package:smooth_app/pages/prices/prices_proofs_page.dart';
 import 'package:smooth_app/pages/prices/prices_users_page.dart';
+import 'package:smooth_app/pages/prices/product_price_add_page.dart';
 import 'package:smooth_app/pages/product/common/product_query_page_helper.dart';
 import 'package:smooth_app/pages/user_management/login_page.dart';
 import 'package:smooth_app/query/paged_product_query.dart';
@@ -237,6 +239,24 @@ class UserPreferencesAccount extends AbstractUserPreferences {
         ),
         Icons.receipt,
       ),
+      _getListTile(
+        appLocalizations.prices_add_a_receipt,
+        () async => ProductPriceAddPage.showProductPage(
+          context: context,
+          product: PriceMetaProduct.empty(),
+          proofType: ProofType.receipt,
+        ),
+        Icons.add_shopping_cart,
+      ),
+      _getListTile(
+        appLocalizations.prices_add_price_tags,
+        () async => ProductPriceAddPage.showProductPage(
+          context: context,
+          product: PriceMetaProduct.empty(),
+          proofType: ProofType.priceTag,
+        ),
+        Icons.add_shopping_cart,
+      ),
       _getListTile(
         appLocalizations.all_search_prices_latest_title,
         () async => Navigator.of(context).push(

packages/smooth_app/lib/pages/prices/get_prices_model.dart

@@ -33,6 +33,7 @@ class GetPricesModel {
         addButton: () async => ProductPriceAddPage.showProductPage(
           context: context,
           product: product,
+          proofType: ProofType.priceTag,
         ),
         enableCountButton: false,
       );

packages/smooth_app/lib/pages/prices/price_amount_card.dart

@@ -5,8 +5,10 @@ import 'package:smooth_app/generic_lib/design_constants.dart';
 import 'package:smooth_app/generic_lib/widgets/smooth_card.dart';
 import 'package:smooth_app/pages/prices/price_amount_field.dart';
 import 'package:smooth_app/pages/prices/price_amount_model.dart';
+import 'package:smooth_app/pages/prices/price_meta_product.dart';
 import 'package:smooth_app/pages/prices/price_model.dart';
 import 'package:smooth_app/pages/prices/price_product_list_tile.dart';
+import 'package:smooth_app/pages/prices/price_product_search_page.dart';
 
 /// Card that displays the amounts (discounted or not) for price adding.
 class PriceAmountCard extends StatefulWidget {
@@ -36,6 +38,7 @@ class _PriceAmountCardState extends State<PriceAmountCard> {
   @override
   Widget build(BuildContext context) {
     final AppLocalizations appLocalizations = AppLocalizations.of(context);
+    final bool isEmpty = widget.model.product.barcode.isEmpty;
     return SmoothCard(
       child: Column(
         children: <Widget>[
@@ -45,13 +48,32 @@ class _PriceAmountCardState extends State<PriceAmountCard> {
           ),
           PriceProductListTile(
             product: widget.model.product,
-            trailingIconData: widget.total == 1 ? null : Icons.clear,
-            onPressed: widget.total == 1
-                ? null
-                : () {
-                    widget.priceModel.priceAmountModels.removeAt(widget.index);
-                    widget.refresh.call();
-                  },
+            trailingIconData: isEmpty
+                ? Icons.edit
+                : widget.total == 1
+                    ? null
+                    : Icons.clear,
+            onPressed: isEmpty
+                ? () async {
+                    final PriceMetaProduct? product =
+                        await Navigator.of(context).push<PriceMetaProduct>(
+                      MaterialPageRoute<PriceMetaProduct>(
+                        builder: (BuildContext context) =>
+                            const PriceProductSearchPage(),
+                      ),
+                    );
+                    if (product == null) {
+                      return;
+                    }
+                    setState(() => widget.model.product = product);
+                  }
+                : widget.total == 1
+                    ? null
+                    : () {
+                        widget.priceModel.priceAmountModels
+                            .removeAt(widget.index);
+                        widget.refresh.call();
+                      },
           ),
           SmoothLargeButtonWithIcon(
             icon: widget.model.promo

packages/smooth_app/lib/pages/prices/price_amount_model.dart

@@ -33,13 +33,17 @@ class PriceAmountModel {
       );
 
   String? checkParameters(final BuildContext context) {
+    final AppLocalizations appLocalizations = AppLocalizations.of(context);
+    if (product.barcode.isEmpty) {
+      return appLocalizations.prices_amount_no_product;
+    }
     _checkedPaidPrice = validateDouble(_paidPrice)!;
     _checkedPriceWithoutDiscount = null;
     if (promo) {
       if (_priceWithoutDiscount.isNotEmpty) {
         _checkedPriceWithoutDiscount = validateDouble(_priceWithoutDiscount);
         if (_checkedPriceWithoutDiscount == null) {
-          return AppLocalizations.of(context).prices_amount_price_incorrect;
+          return appLocalizations.prices_amount_price_incorrect;
         }
       }
     }

packages/smooth_app/lib/pages/prices/price_meta_product.dart

@@ -1,25 +1,81 @@
+import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:openfoodfacts/openfoodfacts.dart';
+import 'package:smooth_app/generic_lib/widgets/images/smooth_image.dart';
+import 'package:smooth_app/generic_lib/widgets/smooth_product_image.dart';
 import 'package:smooth_app/helpers/product_cards_helper.dart';
 
 /// Meta version of a product, coming from OFF or from Prices.
 class PriceMetaProduct {
-  PriceMetaProduct.product(Product this.product) : priceProduct = null;
-  PriceMetaProduct.priceProduct(PriceProduct this.priceProduct)
-      : product = null;
+  PriceMetaProduct.product(final Product product)
+      : _product = product,
+        _priceProduct = null,
+        _barcode = null;
+  PriceMetaProduct.priceProduct(final PriceProduct priceProduct)
+      : _product = null,
+        _priceProduct = priceProduct,
+        _barcode = null;
+  PriceMetaProduct.empty()
+      : _product = null,
+        _priceProduct = null,
+        _barcode = null;
+  PriceMetaProduct.unknown(final String barcode)
+      : _product = null,
+        _priceProduct = null,
+        _barcode = barcode;
 
-  final Product? product;
-  final PriceProduct? priceProduct;
+  final Product? _product;
+  final PriceProduct? _priceProduct;
+  final String? _barcode;
 
-  String get barcode =>
-      product != null ? product!.barcode! : priceProduct!.code;
+  // TODO(monsieurtanuki): refine this test
+  bool get isValid => barcode.length >= 8;
 
-  String getName(final AppLocalizations appLocalizations) => product != null
-      ? getProductNameAndBrands(
-          product!,
-          appLocalizations,
-        )
-      : priceProduct!.name ?? priceProduct!.code;
+  String get barcode {
+    if (_product != null) {
+      return _product.barcode!;
+    }
+    if (_priceProduct != null) {
+      return _priceProduct.code;
+    }
+    return _barcode ?? '';
+  }
 
-  String? get imageUrl => product != null ? null : priceProduct!.imageURL;
+  String getName(final AppLocalizations appLocalizations) {
+    if (_product != null) {
+      return getProductNameAndBrands(
+        _product,
+        appLocalizations,
+      );
+    }
+    if (_priceProduct != null) {
+      return _priceProduct.name ?? _priceProduct.code;
+    }
+    if (barcode.isEmpty) {
+      return appLocalizations.prices_barcode_search_none_yet;
+    }
+    return appLocalizations.prices_barcode_search_not_found;
+  }
+
+  Widget getImageWidget(final double size) {
+    if (_product != null) {
+      return SmoothMainProductImage(
+        product: _product,
+        width: size,
+        height: size,
+      );
+    }
+    if (_priceProduct != null) {
+      final String? imageURL = _priceProduct.imageURL;
+      return SmoothImage(
+        width: size,
+        height: size,
+        imageProvider: imageURL == null ? null : NetworkImage(imageURL),
+      );
+    }
+    return SmoothImage(
+      width: size,
+      height: size,
+    );
+  }
 }

packages/smooth_app/lib/pages/prices/price_product_list_tile.dart

@@ -1,8 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:smooth_app/generic_lib/design_constants.dart';
-import 'package:smooth_app/generic_lib/widgets/images/smooth_image.dart';
-import 'package:smooth_app/generic_lib/widgets/smooth_product_image.dart';
 import 'package:smooth_app/pages/prices/price_meta_product.dart';
 
 /// Displays a meta product with an action button, as a ListTile.
@@ -28,19 +26,7 @@ class PriceProductListTile extends StatelessWidget {
       children: <Widget>[
         SizedBox(
           width: size,
-          child: product.product != null
-              ? SmoothMainProductImage(
-                  product: product.product!,
-                  width: size,
-                  height: size,
-                )
-              : SmoothImage(
-                  width: size,
-                  height: size,
-                  imageProvider: product.imageUrl == null
-                      ? null
-                      : NetworkImage(product.imageUrl!),
-                ),
+          child: product.getImageWidget(size),
         ),
         const SizedBox(width: SMALL_SPACE),
         Expanded(

packages/smooth_app/lib/pages/prices/price_product_search_page.dart

@@ -7,6 +7,7 @@ import 'package:smooth_app/data_models/fetched_product.dart';
 import 'package:smooth_app/database/dao_product.dart';
 import 'package:smooth_app/database/local_database.dart';
 import 'package:smooth_app/generic_lib/design_constants.dart';
+import 'package:smooth_app/generic_lib/dialogs/smooth_alert_dialog.dart';
 import 'package:smooth_app/generic_lib/loading_dialog.dart';
 import 'package:smooth_app/generic_lib/widgets/smooth_back_button.dart';
 import 'package:smooth_app/generic_lib/widgets/smooth_text_form_field.dart';
@@ -50,6 +51,8 @@ class _PriceProductSearchPageState extends State<PriceProductSearchPage> {
   @override
   Widget build(BuildContext context) {
     final AppLocalizations appLocalizations = AppLocalizations.of(context);
+    final PriceMetaProduct priceMetaProduct =
+        _product ?? PriceMetaProduct.unknown(_controller.text);
     // TODO(monsieurtanuki): add WillPopScope2
     return SmoothScaffold(
       appBar: SmoothAppBar(
@@ -80,13 +83,13 @@ class _PriceProductSearchPageState extends State<PriceProductSearchPage> {
               prefixIcon: const Icon(CupertinoIcons.barcode),
               textInputAction: TextInputAction.search,
             ),
-            if (_product != null)
+            if (priceMetaProduct.isValid)
               Padding(
                 padding: const EdgeInsets.symmetric(vertical: LARGE_SPACE),
                 child: PriceProductListTile(
-                  product: _product!,
+                  product: priceMetaProduct,
                   trailingIconData: Icons.check_circle,
-                  onPressed: () => Navigator.of(context).pop(_product),
+                  onPressed: () => Navigator.of(context).pop(priceMetaProduct),
                 ),
               ),
           ],
@@ -167,6 +170,7 @@ class _PriceProductSearchPageState extends State<PriceProductSearchPage> {
       setState(() => _product = PriceMetaProduct.product(product));
       return;
     }
+    setState(() {});
   }
 
   Future<void> _onFieldSubmitted(final BuildContext context) async {
@@ -187,6 +191,7 @@ class _PriceProductSearchPageState extends State<PriceProductSearchPage> {
   }
 
   Future<void> _scan(final BuildContext context) async {
+    final AppLocalizations appLocalizations = AppLocalizations.of(context);
     final String? barcode = await Navigator.of(context).push<String>(
       MaterialPageRoute<String>(
         builder: (BuildContext context) => const PriceScanPage(),
@@ -206,6 +211,26 @@ class _PriceProductSearchPageState extends State<PriceProductSearchPage> {
     if (!context.mounted) {
       return;
     }
+    final bool? accepts = await showDialog(
+      context: context,
+      builder: (final BuildContext context) => SmoothAlertDialog(
+        body: Text(appLocalizations.prices_barcode_search_question),
+        neutralAction: SmoothActionButton(
+          text: appLocalizations.cancel,
+          onPressed: () => Navigator.of(context).pop(false),
+        ),
+        positiveAction: SmoothActionButton(
+          text: appLocalizations.yes,
+          onPressed: () => Navigator.of(context).pop(true),
+        ),
+      ),
+    );
+    if (!context.mounted) {
+      return;
+    }
+    if (accepts != true) {
+      return;
+    }
     await _onFieldSubmitted(context);
   }
 }

packages/smooth_app/lib/pages/prices/prices_card.dart

@@ -96,6 +96,7 @@ class PricesCard extends StatelessWidget {
                 onPressed: () async => ProductPriceAddPage.showProductPage(
                   context: context,
                   product: PriceMetaProduct.product(product),
+                  proofType: ProofType.priceTag,
                 ),
               ),
             ),