feat: added search

lib/data/repositories/book_instance_repository.dart

@@ -3,6 +3,7 @@ import 'package:seshat/domain/models/bal.dart';
 import 'package:seshat/domain/models/book.dart';
 import 'package:seshat/domain/models/book_instance.dart';
 import 'package:seshat/domain/models/owner.dart';
+import 'package:seshat/domain/models/search_result.dart';
 import 'package:seshat/utils/result.dart';
 
 class BookInstanceRepository {
@@ -15,6 +16,14 @@ class BookInstanceRepository {
     return await _apiClient.getBookInstanceByEAN(balId, ean);
   }
 
+  Future<Result<List<SearchResult>>> getBySearch(
+    int balId,
+    String title,
+    String author,
+  ) async {
+    return await _apiClient.getBookInstanceBySearch(balId, title, author);
+  }
+
   Future<Result<BookInstance>> sendBook(
     Book book,
     Owner owner,

lib/data/services/api_client.dart

@@ -8,6 +8,7 @@ import 'package:seshat/domain/models/bal.dart';
 import 'package:seshat/domain/models/book.dart';
 import 'package:seshat/domain/models/book_instance.dart';
 import 'package:seshat/domain/models/owner.dart';
+import 'package:seshat/domain/models/search_result.dart';
 import 'package:seshat/utils/command.dart';
 import 'package:seshat/utils/result.dart';
 
@@ -284,6 +285,36 @@ class ApiClient {
  * =============================
 */
 
+  Future<Result<List<SearchResult>>> getBookInstanceBySearch(
+    int balId,
+    String title,
+    String author,
+  ) async {
+    final client = Client();
+    try {
+      final headers = await _getHeaders({"Content-Type": "application/json"});
+      final body = jsonEncode({"title": title, "author": author});
+      debugPrint("\n\n\n\n$body\n\n\n\n");
+      final response = await client.post(
+        Uri.parse("https://$apiBasePath/bal/${balId.toString()}/search"),
+        headers: headers,
+        body: body,
+      );
+      if (response.statusCode == 200) {
+        final json = jsonDecode(response.body) as List<dynamic>;
+        debugPrint("\n\n\n\nJSON : $json\n\n\n\n");
+        return Result.ok(json.map((el) => SearchResult.fromJSON(el)).toList());
+      } else {
+        throw "Unknown Error";
+      }
+    } catch (e) {
+      debugPrint("\n\n\n\nERROR: ${e.toString()}\n\n\n\n");
+      return Result.error(Exception("API $e"));
+    } finally {
+      client.close();
+    }
+  }
+
   Future<Result<List<BookInstance>>> getBookInstanceByEAN(
     int balId,
     int ean,

lib/domain/models/search_result.dart

@@ -0,0 +1,16 @@
+import 'package:seshat/domain/models/book.dart';
+import 'package:seshat/domain/models/book_instance.dart';
+
+class SearchResult {
+  SearchResult(this.instance, this.book);
+  BookInstance instance;
+  Book book;
+
+  factory SearchResult.fromJSON(Map<String, dynamic> json) {
+    BookInstance instance = BookInstance.fromJSON(json["book_instance"]);
+
+    Book book = Book.fromJSON(json["book"]);
+
+    return SearchResult(instance, book);
+  }
+}

lib/ui/sell_page/view_model/sell_view_model.dart

@@ -9,6 +9,7 @@ import 'package:seshat/domain/models/book.dart';
 import 'package:seshat/domain/models/book_instance.dart';
 import 'package:seshat/domain/models/book_stack.dart';
 import 'package:seshat/domain/models/owner.dart';
+import 'package:seshat/domain/models/search_result.dart';
 import 'package:seshat/utils/command.dart';
 import 'package:seshat/utils/result.dart';
 
@@ -93,7 +94,54 @@ class SellViewModel extends ChangeNotifier {
     notifyListeners();
   }
 
+  Future<void> searchBook(String title, String author) async {
+    Bal? bal = await _balRepository.ongoingBal();
+    isScanLoaded = false;
+    _scannedBooks.clear();
+
+    final result = await _bookInstanceRepository.getBySearch(
+      bal!.id,
+      title,
+      author,
+    );
+    switch (result) {
+      case Ok():
+        for (SearchResult searchResult in result.value) {
+          if (searchResult.instance.available == false) {
+            continue;
+          }
+          if (_soldBooks
+              .where((book) => book.instance.id == searchResult.instance.id)
+              .isNotEmpty) {
+            continue;
+          }
+          Owner owner;
+          final result2 = await _ownerRepository.getOwnerById(
+            searchResult.instance.ownerId,
+          );
+          switch (result2) {
+            case Ok():
+              owner = result2.value;
+              break;
+            case Error():
+              continue;
+          }
+          _scannedBooks.add(
+            BookStack(searchResult.book, searchResult.instance, owner),
+          );
+        }
+        break;
+      case Error():
+        break;
+    }
+
+    isScanLoaded = true;
+    notifyListeners();
+    return;
+  }
+
   Future<void> scanBook(BarcodeCapture barcode) async {
+    isScanLoaded = false;
     int ean = int.parse(barcode.barcodes.first.rawValue!);
     Bal? bal = await _balRepository.ongoingBal();
     _scannedBooks.clear();
@@ -101,6 +149,17 @@ class SellViewModel extends ChangeNotifier {
     final result = await _bookInstanceRepository.getByEan(bal!.id, ean);
     switch (result) {
       case Ok():
+        Book book;
+        final result2 = await _bookRepository.getBookById(
+          result.value.first.bookId,
+        );
+        switch (result2) {
+          case Ok():
+            book = result2.value;
+            break;
+          case Error():
+            return;
+        }
         for (BookInstance instance in result.value) {
           if (instance.available == false) {
             continue;
@@ -110,15 +169,6 @@ class SellViewModel extends ChangeNotifier {
               .isNotEmpty) {
             continue;
           }
-          Book book;
-          final result2 = await _bookRepository.getBookById(instance.bookId);
-          switch (result2) {
-            case Ok():
-              book = result2.value;
-              break;
-            case Error():
-              continue;
-          }
           Owner owner;
           final result3 = await _ownerRepository.getOwnerById(instance.ownerId);
           switch (result3) {

lib/ui/sell_page/widgets/manual_scan_popup.dart

@@ -1,46 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:mobile_scanner/mobile_scanner.dart';
-import 'package:seshat/ui/sell_page/view_model/sell_view_model.dart';
-
-class ManualScanPopup extends StatelessWidget {
-  const ManualScanPopup({
-    super.key,
-    required this.viewModel,
-    required this.controller,
-  });
-
-  final SellViewModel viewModel;
-  final MobileScannerController controller;
-
-  @override
-  Widget build(BuildContext context) {
-    return AlertDialog(
-      title: Text("Recherche manuelle"),
-      content: Column(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          TextField(
-            decoration: InputDecoration(
-              labelText: "Rechercher",
-              suffixIcon: IconButton(
-                onPressed: () {},
-                icon: Icon(Icons.arrow_forward),
-              ),
-              border: OutlineInputBorder(),
-            ),
-          ),
-          SizedBox(height: 200),
-        ],
-      ),
-      actions: [
-        TextButton(
-          onPressed: () {
-            controller.start();
-            Navigator.of(context).pop();
-          },
-          child: Text("Annuler"),
-        ),
-      ],
-    );
-  }
-}

lib/ui/sell_page/widgets/manual_search_popup.dart

@@ -0,0 +1,75 @@
+import 'package:flutter/material.dart';
+import 'package:seshat/ui/sell_page/view_model/sell_view_model.dart';
+import 'package:seshat/ui/sell_page/widgets/sell_choice_popup.dart';
+
+class ManualSearchPopup extends StatefulWidget {
+  const ManualSearchPopup({super.key, required this.viewModel});
+
+  final SellViewModel viewModel;
+
+  @override
+  State<ManualSearchPopup> createState() => _ManualSearchPopupState();
+}
+
+class _ManualSearchPopupState extends State<ManualSearchPopup> {
+  String? title = "";
+  String? author = "";
+
+  @override
+  Widget build(BuildContext context) {
+    GlobalKey<FormState> _form = GlobalKey<FormState>();
+
+    return AlertDialog(
+      title: Text("Recherche manuelle"),
+      content: Form(
+        key: _form,
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            TextFormField(
+              decoration: InputDecoration(
+                labelText: "Titre",
+                border: OutlineInputBorder(),
+              ),
+              onSaved: (newValue) => setState(() {
+                title = newValue;
+              }),
+            ),
+            SizedBox(height: 10),
+            TextFormField(
+              decoration: InputDecoration(
+                labelText: "Auteur",
+                border: OutlineInputBorder(),
+              ),
+              onSaved: (newValue) => setState(() {
+                author = newValue;
+              }),
+            ),
+          ],
+        ),
+      ),
+      actions: [
+        TextButton(
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+          child: Text("Annuler"),
+        ),
+
+        ElevatedButton(
+          onPressed: () {
+            _form.currentState!.save();
+            Navigator.of(context).pop();
+            showDialog(
+              context: context,
+              builder: (context) =>
+                  SellChoicePopup(viewModel: widget.viewModel),
+            );
+            widget.viewModel.searchBook(title ?? "", author ?? "");
+          },
+          child: Text("Rechercher"),
+        ),
+      ],
+    );
+  }
+}

lib/ui/sell_page/widgets/scan_screen.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/svg.dart';
 import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:seshat/ui/sell_page/view_model/sell_view_model.dart';
-import 'package:seshat/ui/sell_page/widgets/manual_scan_popup.dart';
+import 'package:seshat/ui/sell_page/widgets/manual_search_popup.dart';
 import 'package:seshat/ui/sell_page/widgets/sell_choice_popup.dart';
 
 class ScanScreen extends StatefulWidget {
@@ -78,10 +78,8 @@ class _ScanScreenState extends State<ScanScreen> {
                   showDialog(
                     context: context,
                     barrierDismissible: false,
-                    builder: (context) => ManualScanPopup(
+                    builder: (context) =>
-                      viewModel: widget.viewModel,
+                        ManualSearchPopup(viewModel: widget.viewModel),
-                      controller: controller,
-                    ),
                   );
                 },
                 child: Text("Vendre un livre sans scanner"),