fix: overflow + owner managment error

lib/ui/add_page/view_model/add_view_model.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:logging/logging.dart';
 import 'package:mobile_scanner/mobile_scanner.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/utils/result.dart';
 
@@ -12,6 +11,12 @@ class AddViewModel extends ChangeNotifier {
 
   final _log = Logger("AddViewModel");
 
+  /*
+ * ====================
+ * =====[ OWNERS ]=====
+ * ====================
+*/
+
   Owner? _currentOwner;
   Owner? get currentOwner => _currentOwner;
   set currentOwner(Owner? owner) {
@@ -19,48 +24,22 @@ class AddViewModel extends ChangeNotifier {
     notifyListeners();
   }
 
-  List<Owner> _owners = [];
+  final List<Owner> _owners = [];
-  //   Owner(
-  //     firstName: "Jean",
-  //     lastName: "Henri",
-  //     contact: "contact@gmail.com",
-  //     id: 1,
-  //   ),
-  //   Owner(
-  //     firstName: "Jeanette",
-  //     lastName: "Henriette",
-  //     contact: "contact@gmail.com",
-  //     id: 2,
-  //   ),
-  //   Owner(
-  //     firstName: "Jacques",
-  //     lastName: "Gerard",
-  //     contact: "contact@gmail.com",
-  //     id: 3,
-  //   ),
-  //   Owner(
-  //     firstName: "Jacquelines",
-  //     lastName: "Geraldine",
-  //     contact: "contact@gmail.com",
-  //     id: 4,
-  //   ),
-  //   Owner(
-  //     firstName: "Louis",
-  //     lastName: "Valentin",
-  //     contact: "contact@gmail.com",
-  //     id: 5,
-  //   ),
-  //   Owner(
-  //     firstName: "Louise",
-  //     lastName: "Valentine",
-  //     contact: "contact@gmail.com",
-  //     id: 6,
-  //   ),
-  // ];
 
   List<Owner>? get owners => _owners;
+
   Owner addOwner(String firstName, String lastName, String contact) {
-    _owners!.add(
+    if (_owners.isEmpty) {
+      _owners.add(
+        Owner(
+          firstName: firstName,
+          lastName: lastName,
+          contact: contact,
+          id: 1,
+        ),
+      );
+    } else {
+      _owners.add(
         Owner(
           firstName: firstName,
           lastName: lastName,
@@ -68,6 +47,7 @@ class AddViewModel extends ChangeNotifier {
           id: _owners.last.id + 1,
         ),
       );
+    }
     notifyListeners();
     return Owner(
       firstName: firstName,
@@ -77,6 +57,12 @@ class AddViewModel extends ChangeNotifier {
     );
   }
 
+  /*
+ * ===================
+ * =====[ PRICE ]=====
+ * ===================
+*/
+
   bool _askPrice = true;
   bool get askPrice => _askPrice;
   set askPrice(bool newValue) {
@@ -84,6 +70,14 @@ class AddViewModel extends ChangeNotifier {
     notifyListeners();
   }
 
+  /*
+ * =================================
+ * =====[ BOOKS AND INSTANCES ]=====
+ * =================================
+*/
+
+  /// Sends an api request with a [bacorde], then gets the [Book] that was
+  /// either created or retrieved. Sens the [Book] back wrapped in a [Result].
   Future<Result<Book>> scanBook(BarcodeCapture barcode) async {
     return Result.ok(
       Book(
@@ -96,5 +90,8 @@ class AddViewModel extends ChangeNotifier {
     );
   }
 
-  // Result<BookInstance> sendBook() {};
+  /// Sens an api request with
+  // Result<BookInstance> newBookInstance() {
+
+  // };
 }

lib/ui/add_page/widgets/add_page.dart

@@ -38,6 +38,18 @@ class _AddPageState extends State<AddPage> {
           MobileScanner(
             controller: controller,
             onDetect: (barcodes) async {
+              if (widget.viewModel.currentOwner == null) {
+                ScaffoldMessenger.of(context).showSnackBar(
+                  SnackBar(
+                    content: Text(
+                      "Attention : vous devez choisir un·e propriétaire",
+                    ),
+                    behavior: SnackBarBehavior.floating,
+                  ),
+                );
+                return;
+              }
+
               void setPrice(num newPrice) async {
                 setState(() {
                   price = newPrice;
@@ -68,13 +80,16 @@ class _AddPageState extends State<AddPage> {
             },
           ),
           SafeArea(
+            child: SingleChildScrollView(
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.center,
+                mainAxisSize: MainAxisSize.min,
                 children: [
                   Center(
                     child: Card(
                       margin: EdgeInsets.symmetric(horizontal: 50),
                       child: Column(
+                        mainAxisSize: MainAxisSize.min,
                         children: [
                           ListenableBuilder(
                             listenable: widget.viewModel,
@@ -114,17 +129,29 @@ class _AddPageState extends State<AddPage> {
                       ),
                     ),
                   ),
-                Expanded(child: SizedBox()),
+                  SizedBox(height: 100),
                   SvgPicture.asset('assets/scan-overlay.svg'),
-                Expanded(child: SizedBox()),
+                ],
-                TextButton(
+              ),
+            ),
+          ),
+          SafeArea(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.end,
+              children: [
+                Center(
+                  child: TextButton(
                     style: ButtonStyle(
                       backgroundColor: WidgetStatePropertyAll(theme.cardColor),
                     ),
-                  onPressed: () =>
+                    onPressed: () => _formDialogBuilder(
-                      _formDialogBuilder(context, controller, widget.viewModel),
+                      context,
+                      controller,
+                      widget.viewModel,
+                    ),
                     child: Text("Enregistrer manuellement"),
                   ),
+                ),
               ],
             ),
           ),

lib/ui/add_page/widgets/confirmation_popup.dart

@@ -30,6 +30,7 @@ class _ConfirmationPopupState extends State<ConfirmationPopup> {
       title: Text("Prix"),
       content: Form(
         key: _formKey,
+        child: SingleChildScrollView(
           child: Column(
             mainAxisSize: MainAxisSize.min,
             crossAxisAlignment: CrossAxisAlignment.stretch,
@@ -95,6 +96,7 @@ class _ConfirmationPopupState extends State<ConfirmationPopup> {
             ],
           ),
         ),
+      ),
       actions: [
         TextButton(
           onPressed: () {

lib/ui/add_page/widgets/owner_popup.dart

@@ -29,7 +29,8 @@ class _OwnerPopupState extends State<OwnerPopup> {
       listenable: widget.viewModel,
       builder: (context, child) => AlertDialog(
         title: Center(child: Text("Propriétaire du livre")),
-        content: Column(
+        content: SingleChildScrollView(
+          child: Column(
             mainAxisAlignment: MainAxisAlignment.center,
             mainAxisSize: MainAxisSize.min,
             children: [
@@ -157,6 +158,7 @@ class _OwnerPopupState extends State<OwnerPopup> {
                     ),
             ],
           ),
+        ),
 
         actions: [
           TextButton(