From c33d8e3a4e3aa8f2233d2d7e09a736ac617b072b Mon Sep 17 00:00:00 2001
From: Max Holleman <max.holleman@hotmail.nl>
Date: Wed, 17 May 2023 16:03:04 +0200
Subject: [PATCH] Working on UI

---
 SharpRss/RssService.cs                   |  8 ++--
 WebSharpRSS/Models/FeedStateContainer.cs | 17 +++++++++
 WebSharpRSS/Pages/Index.razor            | 48 +++++++++++++++++++++++-
 WebSharpRSS/Program.cs                   |  1 +
 WebSharpRSS/Shared/SideGuide.razor       | 33 ++++++++++++----
 5 files changed, 93 insertions(+), 14 deletions(-)
 create mode 100644 WebSharpRSS/Models/FeedStateContainer.cs

diff --git a/SharpRss/RssService.cs b/SharpRss/RssService.cs
index e6c13c7..c24a071 100644
--- a/SharpRss/RssService.cs
+++ b/SharpRss/RssService.cs
@@ -17,6 +17,8 @@ namespace SharpRss
             /// - Database
             /// - File
             /// - Memory
+            combined.UnionWith(feedSet);
+            combined.UnionWith(feedSet2);
         }
 
         private static HashSet<FeedModel> feedSet = new HashSet<FeedModel>()
@@ -29,6 +31,7 @@ namespace SharpRss
             new FeedModel("https://journals.plos.org/plosone/feed/atom"),
             new FeedModel("https://itsfoss.com/feed")
         };
+        private static HashSet<FeedModel> combined = new HashSet<FeedModel>();
         
         HashSet<CategoryModel> set = new HashSet<CategoryModel>()
         {
@@ -43,10 +46,7 @@ namespace SharpRss
 
         public async Task<HashSet<FeedModel>> GetAllFeeds()
         {
-            HashSet<FeedModel> fSet = new HashSet<FeedModel>();
-            fSet.UnionWith(feedSet);
-            fSet.UnionWith(feedSet2);
-            return fSet;
+            return combined;
         }
 
 
diff --git a/WebSharpRSS/Models/FeedStateContainer.cs b/WebSharpRSS/Models/FeedStateContainer.cs
new file mode 100644
index 0000000..4f2cce2
--- /dev/null
+++ b/WebSharpRSS/Models/FeedStateContainer.cs
@@ -0,0 +1,17 @@
+using SharpRss.Models;
+
+namespace WebSharpRSS.Models
+{
+    public class FeedStateContainer
+    {
+        public HashSet<FeedModel> Feeds { get; set; }
+        public event Action StateChanged;
+        public void SetValue(HashSet<FeedModel> feedSet)
+        {
+            Feeds = feedSet;
+            Invoke();
+        }
+
+        private void Invoke() => StateChanged?.Invoke();
+    }
+}
diff --git a/WebSharpRSS/Pages/Index.razor b/WebSharpRSS/Pages/Index.razor
index 2f95661..4ad8a17 100644
--- a/WebSharpRSS/Pages/Index.razor
+++ b/WebSharpRSS/Pages/Index.razor
@@ -1,8 +1,52 @@
 @page "/"
-@inject RssService _rssService 
+@using CodeHollow.FeedReader;
+@using SharpRss.Models;
+@using WebSharpRSS.Models;
 
+@inject RssService _rssService;
+@inject FeedStateContainer _stateContainer;
 
+<MudGrid Spacing="3" Justify="Justify.FlexStart">
+    @if (Feeds != null)
+    {
+        foreach (var feedItem in _items)
+        {
+            <MudItem>
+                <MudCard>
+                    <MudCardContent>
+                        <MudText>@feedItem.Title</MudText>
+                        <MudText Typo="Typo.body2">@feedItem.Description</MudText>
+                        <MudText Typo="Typo.overline">@feedItem.PublishingDateString</MudText>
+                    </MudCardContent>
+                </MudCard>
+            </MudItem>
+        }
+    }
+</MudGrid>
 
 @code {
-    
+    [Parameter]
+    public HashSet<FeedModel>? Feeds { get; set; }
+
+    private HashSet<FeedItem> _items = new HashSet<FeedItem>();
+    protected override async void OnInitialized()
+    {
+        UpdateFeeds();
+        _stateContainer.StateChanged += FeedsChanged;
+    }
+    private void FeedsChanged()
+    {
+        UpdateFeeds();
+        InvokeAsync(StateHasChanged);
+    }
+
+    private void UpdateFeeds()
+    {
+        Feeds = _stateContainer.Feeds;
+        if (Feeds == null) return;
+        foreach (var feedmodel in Feeds)
+        {
+            _items = feedmodel.Base.Items.OrderBy(x => x.PublishingDate).ToHashSet();
+        }
+    }
 }
\ No newline at end of file
diff --git a/WebSharpRSS/Program.cs b/WebSharpRSS/Program.cs
index af892e4..ec61f9f 100644
--- a/WebSharpRSS/Program.cs
+++ b/WebSharpRSS/Program.cs
@@ -18,6 +18,7 @@ var builder = WebApplication.CreateBuilder(args);
 builder.Services.AddRazorPages();
 builder.Services.AddServerSideBlazor();
 builder.Services.AddTransient<RssService>();
+builder.Services.AddSingleton<FeedStateContainer>();
 builder.Services.AddMudServices(config =>
 {
     config.SnackbarConfiguration.PositionClass = Defaults.Classes.Position.BottomRight;
diff --git a/WebSharpRSS/Shared/SideGuide.razor b/WebSharpRSS/Shared/SideGuide.razor
index 97cf19e..5a1dc86 100644
--- a/WebSharpRSS/Shared/SideGuide.razor
+++ b/WebSharpRSS/Shared/SideGuide.razor
@@ -6,16 +6,13 @@
 @using ToolQit.Extensions;
 
 @inject NavigationManager _navManager;
+@inject FeedStateContainer _stateContainer;
 @inject RssService _rssService
 
 <MudStack Spacing="2">
-    @*<MudNavMenu>
-        <MudNavLink Href="/" Icon="@Icons.Material.Filled.Home">Home</MudNavLink>
-    </MudNavMenu>
-    <MudDivider DividerType="DividerType.FullWidth"/>*@
-    <MudTreeView Items="Categories" @bind-SelectedValue="SelectedItem" @bind-ActivatedItem="ActivatedItem" Hover="true">
+    <MudTreeView Items="Categories" @bind-SelectedValue="SelectedItem" Hover="true">
         <ItemTemplate>
-            <MudTreeViewItem @bind-Expanded="@context.IsExpanded" Items="@context.Feeds">
+            <MudTreeViewItem @bind-Expanded="@context.IsExpanded" Items="@context.Feeds" Value="@context">
                 <Content>
                     <div style="display: grid; grid-template-columns: 1fr auto; align-items: center; width: 100%">
                         <div style="justify-self: start;" class="d-flex align-center">
@@ -42,8 +39,27 @@
 
 @code {
     public HashSet<TreeItemData> Categories = new HashSet<TreeItemData>();
-    private TreeItemData? ActivatedItem { get; set; }
-    private TreeItemData? SelectedItem { get; set; }
+    private TreeItemData? _selecteditem;
+    private TreeItemData? SelectedItem 
+    {
+        get => _selecteditem;
+        set
+        {
+            _selecteditem = value;
+            ItemClicked();
+        }
+    }
+    private void ItemClicked()
+    {
+        if (SelectedItem == null) return;
+        if (SelectedItem.FeedModel != null)
+            _stateContainer.SetValue(new HashSet<FeedModel>() { SelectedItem.FeedModel });
+        if (SelectedItem.Feeds != null)
+        {
+
+        }
+        //_navManager.NavigateTo("/");
+    }
     protected override async void OnInitialized()
     {
         Log.Verbose("Loading guide data...");
@@ -51,6 +67,7 @@
         HashSet<CategoryModel> cats = await _rssService.GetCategories();
         await Task.Run(() => Categories.UnionWith(cats.Select(x => new TreeItemData(x)).ToHashSet()));
 
+        StateHasChanged();
         Log.Verbose(" Guide initialized!");
         //await Task.Run(() => Categories = cats.Select(x => new TreeItemData(x)).ToHashSet());
     }