refabrique du model d'erreurs

ZicMoove/ZicMoove/Pages/EstimatePages/EditBillingLinePage.xaml.cs

@@ -4,17 +4,28 @@ using ZicMoove.ViewModels.EstimateAndBilling;
 using System;
 using System.Collections.Generic;
 using Xamarin.Forms;
+using ZicMoove.Model.Workflow;
 
 namespace ZicMoove.Pages
 {
     public partial class EditBillingLinePage : ContentPage
     {
-        public EditBillingLinePage(BillingLineViewModel model)
+        public void Initialize()
         {
             InitializeComponent();
-            foreach
-                (string du in Enum.GetNames(typeof(BillingLineViewModel.DurationUnits)))
+            foreach (string du in Enum.GetNames(typeof(BillingLineViewModel.DurationUnits)))
                 picker.Items.Add(du);
+            BindingContext = new BillingLineViewModel(new BillingLine());
+        }
+
+        public EditBillingLinePage()
+        {
+            Initialize();
+        }
+
+        public EditBillingLinePage(BillingLineViewModel model)
+        {
+            Initialize();
             BindingContext = model;
         }
 

ZicMoove/ZicMoove/Pages/EstimatePages/EditEstimatePage.xaml.cs

@@ -22,25 +22,16 @@ namespace ZicMoove.Pages
         public EditEstimatePage(EditEstimateViewModel model)
         {
             BindingContext = model;
-            Model.CheckCommand = new Action<Estimate, ViewModels.Validation.ModelState>(
-                (e, m) =>
-                {
-                    foreach (var line in model.Bill)
-                    {
-                        line.Check();
-                        if (!line.ViewModelState.IsValid)
-                            model.ViewModelState.AddError("Bill", "invalid line");
-                    }
-                });
 
             InitializeComponent();
-            Model.Check();
         }
 
         protected override void OnBindingContextChanged()
         {
             base.OnBindingContextChanged();
-            ((EditEstimateViewModel)BindingContext).PropertyChanged += EditEstimatePage_PropertyChanged;
+            if (Model == null) return;
+            Model.PropertyChanged += EditEstimatePage_PropertyChanged;
+            Model.Check();
         }
 
         private void EditEstimatePage_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)

ZicMoove/ZicMoove/ViewModels/EstimateAndBilling/BillingLineViewModel.cs

@@ -16,15 +16,6 @@ namespace ZicMoove.ViewModels.EstimateAndBilling
 
         public BillingLineViewModel(BillingLine data): base(data)
         {
-            CheckCommand = new Action<BillingLine, ModelState>(
-                (l,s) => {
-                    if (string.IsNullOrWhiteSpace(l.Description))
-                    {
-                        s.AddError("Description",Strings.NoDescription);
-                    }
-                    if (l.UnitaryCost < 0) { s.AddError("UnitaryCost", Strings.InvalidValue); }
-                    if (l.Count < 0) { s.AddError("Count", Strings.InvalidValue); }
-                });
             SyncData();
         }
 
@@ -39,7 +30,7 @@ namespace ZicMoove.ViewModels.EstimateAndBilling
                 description = Data.Description;
                 unitaryCostText = Data.UnitaryCost.ToString("G", CultureInfo.InvariantCulture);
             }
-            CheckCommand(Data, ViewModelState);
+            Check();
         }
 
         protected override void OnPropertyChanged(PropertyChangedEventArgs e)
@@ -51,6 +42,17 @@ namespace ZicMoove.ViewModels.EstimateAndBilling
             }
         }
 
+        public override void Check()
+        {
+            ModelState.Clear();
+            if (string.IsNullOrWhiteSpace(Data.Description))
+            {
+                ModelState.AddError("Description", Strings.NoDescription);
+            }
+            if (Data.UnitaryCost < 0) { ModelState.AddError("UnitaryCost", Strings.InvalidValue); }
+            if (Data.Count < 0) { ModelState.AddError("Count", Strings.InvalidValue); }
+        }
+
         private int count;
         public int Count
         {

ZicMoove/ZicMoove/ViewModels/EstimateAndBilling/EditEstimateViewModel.cs

@@ -12,6 +12,7 @@ namespace ZicMoove.ViewModels.EstimateAndBilling
     using Model.Social;
     using Validation;
     using Model.Musical;
+    using System;
 
     public class EditEstimateViewModel : EditingViewModel<Estimate>
     {
@@ -52,7 +53,7 @@ namespace ZicMoove.ViewModels.EstimateAndBilling
             NotifyPropertyChanged("Query");
             NotifyPropertyChanged("CLient");
             NotifyPropertyChanged("ModelState");
-            
+            Check();
         }
 
         protected override void OnPropertyChanged(PropertyChangedEventArgs e)
@@ -76,6 +77,30 @@ namespace ZicMoove.ViewModels.EstimateAndBilling
             NotifyPropertyChanged("ViewModelState");
         }
 
+        public override void Check()
+        {
+            ModelState.Clear();
+            if (Data == null) return;
+            if (string.IsNullOrWhiteSpace(Data.Title))
+                ModelState.AddError("Title", "Spécifier un titre");
+            if (string.IsNullOrWhiteSpace(Data.Description))
+                ModelState.AddError("Description", "Veuillez décrire l'objet de cette facture");
+            if (Data.Bill==null)
+                ModelState.AddError("Bill", "Veuillez ajouter au moins une ligne de facture");
+            else
+            {
+                if (Data.Bill.Count==0)
+                    ModelState.AddError("Bill", "Veuillez ajouter au moins une ligne de facture");
+                var ilc = (Bill.Count(l => !l.ModelState.IsValid));
+                if (ilc > 0)
+                {
+                    var pluriel = (ilc > 1) ? "les lignes" : "la ligne";
+                    ModelState.AddError("Bill", "Veuillez corriger {pluriel} de facture");
+                }
+            }
+            NotifyPropertyChanged("ModelState");
+        }
+
         [JsonIgnore]
         public ObservableCollection<string> AttachedFiles
         {

ZicMoove/ZicMoove/ViewModels/Validation/EditingViewModel.cs

@@ -9,16 +9,14 @@ namespace ZicMoove.ViewModels.Validation
     /// Used to make the DataManager know how
     /// to sync local and remote data
     /// </summary>
-    public class EditingViewModel<DataType>: ViewModel
+    public abstract class EditingViewModel<DataType>: ViewModel
     {
-        [JsonIgnore]
-        public Action<DataType, ModelState> CheckCommand { set; get; }
 
         public DataType Data { get; set; }
 
-        private ModelState viewModelState = new ModelState();
+        private ViewModelState viewModelState = new ViewModelState();
 
-        public ModelState ViewModelState
+        public ViewModelState ModelState
         {
             get
             {
@@ -26,29 +24,28 @@ namespace ZicMoove.ViewModels.Validation
             }
             set
             {
-                base.SetProperty<ModelState>(ref viewModelState, value);
+                base.SetProperty<ViewModelState>(ref viewModelState, value);
             }
         }
 
         public EditingViewModel(DataType data)
         {
             this.Data = data;
-            ViewModelState = new ModelState();
+            ModelState = new ViewModelState();
         }
 
         protected override void OnPropertyChanged(PropertyChangedEventArgs e)
         {
             base.OnPropertyChanged(e);
+            if (e.PropertyName != "ModelState")
                 Check();
         }
-        public virtual void Check()
-        {
-            if (CheckCommand != null)
-            {
-                ViewModelState.Clear();
-                CheckCommand(Data, ViewModelState);
-            }
-        }
+        /// <summary>
+        /// Must compute the ModelState property
+        /// from the Data one.
+        /// </summary>
+        public abstract void Check();
+
         /* NOTE : I had a dream.
 
 bool existsRemotely;

ZicMoove/ZicMoove/ViewModels/Validation/ViewModelState.cs

@@ -8,15 +8,15 @@ using Xamarin.Forms;
 
 namespace ZicMoove.ViewModels.Validation
 {
-    public class ModelState : BindableObject
+    public class ViewModelState : BindableObject
     {
         public static readonly BindableProperty IsValidProperty =
-            BindableProperty.Create("IsValid", typeof(bool), typeof(ModelState), false);
+            BindableProperty.Create("IsValid", typeof(bool), typeof(ViewModelState), false);
 
         public static readonly BindableProperty ErrorsProperty =
-           BindableProperty.Create("Errors", typeof(Dictionary<string,List<InputError>>), typeof(ModelState), null);
+           BindableProperty.Create("Errors", typeof(Dictionary<string,List<InputError>>), typeof(ViewModelState), null);
 
-        public ModelState()
+        public ViewModelState()
         {
            Errors = new Dictionary<string, List<InputError>>();
         }

ZicMoove/ZicMoove/ViewModels/WorkFlow/WorkflowBookViewModel.cs

@@ -15,5 +15,10 @@ namespace ZicMoove.ViewModels.WorkFlow
         public WorkflowBookViewModel(BookQuery data) : base(data)
         {
         }
+
+        public override void Check()
+        {
+            throw new NotImplementedException();
+        }
     }
 }