From c1f0c66283724a5e10243a2d06abbfd765180c04 Mon Sep 17 00:00:00 2001
From: Yan Maniez <yanmaniez@hotmail.com>
Date: Sat, 25 Aug 2018 23:06:46 +0200
Subject: [PATCH] Deeeeeeep search ;)

---
 AideDeJeu/AideDeJeu/AideDeJeu.csproj          |  3 ++
 AideDeJeu/AideDeJeu/Models/Items.cs           |  5 ++
 .../ViewModels/DeepSearchViewModel.cs         | 43 +++++++++++++++
 .../AideDeJeu/ViewModels/MainViewModel.cs     | 40 ++++++++++++++
 AideDeJeu/AideDeJeu/ViewModels/Navigator.cs   |  7 +--
 AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml | 52 +++++++++++++++++++
 .../AideDeJeu/Views/DeepSearchPage.xaml.cs    | 37 +++++++++++++
 7 files changed, 181 insertions(+), 6 deletions(-)
 create mode 100644 AideDeJeu/AideDeJeu/ViewModels/DeepSearchViewModel.cs
 create mode 100644 AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml
 create mode 100644 AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml.cs

diff --git a/AideDeJeu/AideDeJeu/AideDeJeu.csproj b/AideDeJeu/AideDeJeu/AideDeJeu.csproj
index 2674d123..f0ce4357 100644
--- a/AideDeJeu/AideDeJeu/AideDeJeu.csproj
+++ b/AideDeJeu/AideDeJeu/AideDeJeu.csproj
@@ -332,6 +332,9 @@
   </ItemGroup>
 
   <ItemGroup>
+    <EmbeddedResource Update="Views\DeepSearchPage.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
     <EmbeddedResource Update="Views\MainNavigationPage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
diff --git a/AideDeJeu/AideDeJeu/Models/Items.cs b/AideDeJeu/AideDeJeu/Models/Items.cs
index e52d01f3..0d8983f1 100644
--- a/AideDeJeu/AideDeJeu/Models/Items.cs
+++ b/AideDeJeu/AideDeJeu/Models/Items.cs
@@ -15,6 +15,11 @@ namespace AideDeJeuLib
             _Items = items;
         }
 
+        public Items(IEnumerable<Item> items)
+        {
+            _Items = items.ToList();
+        }
+
         public Items()
         {
             _Items = new List<Item>();
diff --git a/AideDeJeu/AideDeJeu/ViewModels/DeepSearchViewModel.cs b/AideDeJeu/AideDeJeu/ViewModels/DeepSearchViewModel.cs
new file mode 100644
index 00000000..f66ede94
--- /dev/null
+++ b/AideDeJeu/AideDeJeu/ViewModels/DeepSearchViewModel.cs
@@ -0,0 +1,43 @@
+using AideDeJeuLib;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Xamarin.Forms;
+
+namespace AideDeJeu.ViewModels
+{
+    public class DeepSearchViewModel : BaseViewModel
+    {
+        private Command<string> _SearchCommand = null;
+        public ICommand SearchCommand
+        {
+            get
+            {
+                return _SearchCommand ?? (_SearchCommand = new Command<string>(async (searchText) => await ExecuteSearchCommandAsync(searchText)));
+            }
+        }
+
+        public async Task ExecuteSearchCommandAsync(string searchText)
+        {
+            Main.IsLoading = true;
+            await Task.Run(async () => await Main.PreloadAllItemsAsync());
+            Items = await Task.Run(async () => await Main.DeepSearchAllItemsAsync(searchText));
+            Main.IsLoading = false;
+        }
+
+        public IEnumerable<MainViewModel.SearchedItem> _Items = null;
+        public IEnumerable<MainViewModel.SearchedItem> Items
+        {
+            get
+            {
+                return _Items;
+            }
+            set
+            {
+                SetProperty(ref _Items, value);
+            }
+        }
+    }
+}
diff --git a/AideDeJeu/AideDeJeu/ViewModels/MainViewModel.cs b/AideDeJeu/AideDeJeu/ViewModels/MainViewModel.cs
index 7a926b4f..ee72b5b7 100644
--- a/AideDeJeu/AideDeJeu/ViewModels/MainViewModel.cs
+++ b/AideDeJeu/AideDeJeu/ViewModels/MainViewModel.cs
@@ -85,6 +85,46 @@ namespace AideDeJeu.ViewModels
             }
         }
 
+        public class SearchedItem
+        {
+            public string Preview { get; set; }
+            public Item Item { get; set; }
+        }
+
+        public async Task<IEnumerable<SearchedItem>> DeepSearchAllItemsAsync(string searchText)
+        {
+            List<SearchedItem> primaryItems = new List<SearchedItem>();
+            List<SearchedItem> secondaryItems = new List<SearchedItem>();
+            var cleanSearchText = Tools.Helpers.RemoveDiacritics(searchText).ToLower();
+            foreach (var allItem in _AllItems)
+            {
+                foreach(var item in allItem.Value.Anchors)
+                {
+                    var name = item.Value.Name;
+                    var cleanName = Tools.Helpers.RemoveDiacritics(name).ToLower();
+                    if (cleanName.Contains(cleanSearchText))
+                    {
+                        primaryItems.Add(new SearchedItem() { Item = item.Value, Preview = name });
+                    }
+                    else
+                    {
+                        var markdown = item.Value.Markdown;
+                        var cleanMarkdown = Tools.Helpers.RemoveDiacritics(markdown).ToLower();
+                        if (cleanMarkdown.Contains(cleanSearchText))
+                        {
+                            int position = cleanMarkdown.IndexOf(cleanSearchText);
+                            int startPosition = Math.Max(0, position - 30);
+                            int endPosition = Math.Min(markdown.Length, position + searchText.Length + 30);
+                            var preview = markdown.Substring(startPosition, endPosition - startPosition - 1);
+                            secondaryItems.Add(new SearchedItem() { Item = item.Value, Preview = preview });
+                        }
+                    }
+                }
+            }
+            primaryItems.AddRange(secondaryItems);
+            return primaryItems;
+        }
+
         public async Task<Item> GetItemFromDataAsync(string source, string anchor)
         {
             //await Task.Delay(3000);
diff --git a/AideDeJeu/AideDeJeu/ViewModels/Navigator.cs b/AideDeJeu/AideDeJeu/ViewModels/Navigator.cs
index 2c5e9abb..ec7c960a 100644
--- a/AideDeJeu/AideDeJeu/ViewModels/Navigator.cs
+++ b/AideDeJeu/AideDeJeu/ViewModels/Navigator.cs
@@ -48,12 +48,7 @@ namespace AideDeJeu.ViewModels
 
         public async Task GotoDeepSearchPageAsync()
         {
-            Main.IsLoading = true;
-            // à remplacer par gros chargement
-            await Task.Run(async () => await Main.PreloadAllItemsAsync());
-            //await Task.Run(async () => await Task.Delay(5000));
-            Main.IsLoading = false;
-            //await Navigation.PushAsync(new Views.DeepSearchPage());
+            await Navigation.PushAsync(new Views.DeepSearchPage());
         }
 
         public async Task GotoItemDetailPageAsync(Item item)
diff --git a/AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml b/AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml
new file mode 100644
index 00000000..ac57802d
--- /dev/null
+++ b/AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage 
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    x:Class="AideDeJeu.Views.DeepSearchPage"
+    xmlns:tools="clr-namespace:AideDeJeu.Tools" 
+    x:Name="This" 
+    BackgroundColor="{StaticResource bgtan}" >
+    <ContentPage.ToolbarItems>
+        <ToolbarItem Name="DeepSearch" Text="Rechercher..." Order="Primary" Icon="crystal_ball.png" Command="{Binding Main.Navigator.DeepSearchCommand}" />
+        <ToolbarItem Name="About" Text="À propos de..." Order="Secondary" Icon="wooden_sign.png" Command="{Binding Main.Navigator.AboutCommand}" />
+    </ContentPage.ToolbarItems>
+    <ContentPage.Content>
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="*" />
+            </Grid.RowDefinitions>
+            <SearchBar Grid.Column="0" Grid.Row="0" x:Name="SearchBar" HeightRequest="42" SearchCommand="{Binding SearchCommand}" SearchCommandParameter="{Binding Text, Source={x:Reference SearchBar}}">
+                <!--<SearchBar.Behaviors>
+                    <tools:TextChangedBehavior />
+                </SearchBar.Behaviors>-->
+            </SearchBar>
+            <ListView Grid.Column="0" Grid.Row="1" x:Name="ItemsListView" ItemsSource="{Binding Items}" VerticalOptions="FillAndExpand" HasUnevenRows="true" CachingStrategy="RecycleElement" SelectedItem="{Binding SelectedItem}" ItemTapped="ItemsListView_ItemTapped">
+                <ListView.ItemTemplate>
+                    <DataTemplate>
+                        <ViewCell AutomationProperties.IsInAccessibleTree="True" AutomationId="machin" AutomationProperties.Name="hop">
+                            <StackLayout Padding="10" Orientation="Vertical">
+                                <Label Text="{Binding Preview}" LineBreakMode="WordWrap" Style="{DynamicResource subsubsection}" FontSize="16" />
+                                <Label Text="{Binding Item.Name}" LineBreakMode="WordWrap" Style="{DynamicResource subsubsection}" FontSize="12" />
+                            </StackLayout>
+                        </ViewCell>
+                    </DataTemplate>
+                </ListView.ItemTemplate>
+            </ListView>
+            <ActivityIndicator 
+                    Grid.Column="0" Grid.Row="0" 
+                    VerticalOptions="StartAndExpand"
+                    HorizontalOptions="End"
+                    Color="{StaticResource titlered}"
+                    IsRunning="{Binding BindingContext.Main.IsLoading, Source={x:Reference This}}" 
+                    IsVisible="{Binding BindingContext.Main.IsLoading, Source={x:Reference This}}">
+                <ActivityIndicator.WidthRequest>
+                    <OnPlatform x:TypeArguments="x:Double" iOS="50" WinPhone="400" Android="50" />
+                </ActivityIndicator.WidthRequest>
+                <ActivityIndicator.HeightRequest>
+                    <OnPlatform x:TypeArguments="x:Double" iOS="50" WinPhone="10" Android="50" />
+                </ActivityIndicator.HeightRequest>
+            </ActivityIndicator>
+        </Grid>
+    </ContentPage.Content>
+</ContentPage>
\ No newline at end of file
diff --git a/AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml.cs b/AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml.cs
new file mode 100644
index 00000000..c3e362e0
--- /dev/null
+++ b/AideDeJeu/AideDeJeu/Views/DeepSearchPage.xaml.cs
@@ -0,0 +1,37 @@
+using AideDeJeu.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace AideDeJeu.Views
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	public partial class DeepSearchPage : ContentPage
+	{
+        MainViewModel Main
+        {
+            get
+            {
+                return DependencyService.Get<MainViewModel>();
+            }
+        }
+
+        public DeepSearchPage ()
+		{
+			InitializeComponent ();
+
+            BindingContext = new DeepSearchViewModel();
+		}
+
+        private async void ItemsListView_ItemTapped(object sender, ItemTappedEventArgs e)
+        {
+            var searchedItem = e.Item as MainViewModel.SearchedItem;
+            await Main.Navigator.GotoItemDetailPageAsync(searchedItem.Item);
+        }
+    }
+}
\ No newline at end of file