From 89c5536610c87b2b6d147d85aff7230066af346d Mon Sep 17 00:00:00 2001
From: Ivan Yaremenchuk <trooper982@gmail.com>
Date: Fri, 26 Aug 2022 13:13:40 -0500
Subject: [PATCH] Add BasicComponent, BasicLayout and AppState

---
 NftFaucetRadzen/Components/BasicComponent.cs |  37 ++++++
 NftFaucetRadzen/Components/BasicLayout.cs    |  33 +++++
 NftFaucetRadzen/Components/CardList.razor    |   1 +
 NftFaucetRadzen/Components/CardList.razor.cs |   4 +-
 NftFaucetRadzen/Models/RefreshMediator.cs    |  19 +++
 NftFaucetRadzen/Models/ScopedAppState.cs     |  11 ++
 NftFaucetRadzen/Models/StateStorage.cs       |   6 +
 NftFaucetRadzen/Pages/Network.razor          |  18 +--
 NftFaucetRadzen/Pages/Network.razor.cs       | 121 +++++++++----------
 NftFaucetRadzen/Program.cs                   |   4 +-
 NftFaucetRadzen/Shared/MainLayout.razor      |   2 +-
 NftFaucetRadzen/Shared/NavMenu.razor         |   6 +-
 NftFaucetRadzen/Shared/NavMenu.razor.cs      |  10 ++
 13 files changed, 192 insertions(+), 80 deletions(-)
 create mode 100644 NftFaucetRadzen/Components/BasicComponent.cs
 create mode 100644 NftFaucetRadzen/Components/BasicLayout.cs
 create mode 100644 NftFaucetRadzen/Models/RefreshMediator.cs
 create mode 100644 NftFaucetRadzen/Models/ScopedAppState.cs
 create mode 100644 NftFaucetRadzen/Models/StateStorage.cs
 create mode 100644 NftFaucetRadzen/Shared/NavMenu.razor.cs

diff --git a/NftFaucetRadzen/Components/BasicComponent.cs b/NftFaucetRadzen/Components/BasicComponent.cs
new file mode 100644
index 0000000..719542d
--- /dev/null
+++ b/NftFaucetRadzen/Components/BasicComponent.cs
@@ -0,0 +1,37 @@
+using Microsoft.AspNetCore.Components;
+using NftFaucetRadzen.Models;
+using NftFaucetRadzen.Options;
+
+namespace NftFaucetRadzen.Components;
+
+public abstract class BasicComponent : ComponentBase
+{
+    [Inject]
+    protected NavigationManager UriHelper { get; set; }
+
+    [Inject]
+    protected ScopedAppState AppState { get; set; }
+
+    [Inject]
+    protected RefreshMediator RefreshMediator { get; set; }
+
+    [Inject]
+    protected Settings Settings { get; set; }
+
+    protected override void OnInitialized()
+    {
+        RefreshMediator.StateChanged += async () => await InvokeAsync(StateHasChangedSafe);
+    }
+
+    protected void StateHasChangedSafe()
+    {
+        try
+        {
+            InvokeAsync(StateHasChanged);
+        }
+        catch (Exception)
+        {
+            // ignored
+        }
+    }
+}
diff --git a/NftFaucetRadzen/Components/BasicLayout.cs b/NftFaucetRadzen/Components/BasicLayout.cs
new file mode 100644
index 0000000..c06979e
--- /dev/null
+++ b/NftFaucetRadzen/Components/BasicLayout.cs
@@ -0,0 +1,33 @@
+using Microsoft.AspNetCore.Components;
+using NftFaucetRadzen.Models;
+
+namespace NftFaucetRadzen.Components;
+
+public abstract class BasicLayout : LayoutComponentBase
+{
+    [Inject]
+    protected NavigationManager UriHelper { get; set; }
+
+    [Inject]
+    protected ScopedAppState AppState { get; set; }
+
+    [Inject]
+    protected RefreshMediator RefreshMediator { get; set; }
+
+    protected override void OnInitialized()
+    {
+        RefreshMediator.StateChanged += async () => await InvokeAsync(StateHasChangedSafe);
+    }
+
+    protected void StateHasChangedSafe()
+    {
+        try
+        {
+            InvokeAsync(StateHasChanged);
+        }
+        catch (Exception)
+        {
+            // ignored
+        }
+    }
+}
diff --git a/NftFaucetRadzen/Components/CardList.razor b/NftFaucetRadzen/Components/CardList.razor
index cb32faf..4b31206 100644
--- a/NftFaucetRadzen/Components/CardList.razor
+++ b/NftFaucetRadzen/Components/CardList.razor
@@ -1,4 +1,5 @@
 @using NftFaucetRadzen.Models
+@inherits BasicComponent
 
 <RadzenDataList WrapItems="true" Data="@Data" TItem="CardListItem" >
     <Template Context="cardListItem">
diff --git a/NftFaucetRadzen/Components/CardList.razor.cs b/NftFaucetRadzen/Components/CardList.razor.cs
index 79f34d9..730065e 100644
--- a/NftFaucetRadzen/Components/CardList.razor.cs
+++ b/NftFaucetRadzen/Components/CardList.razor.cs
@@ -3,7 +3,7 @@ using NftFaucetRadzen.Models;
 
 namespace NftFaucetRadzen.Components;
 
-public partial class CardList
+public partial class CardList : BasicComponent
 {
     [Parameter] public CardListItem[] Data { get; set; }
     [Parameter] public CardListItem[] SelectedItems { get; set; }
@@ -34,6 +34,6 @@ public partial class CardList
         }
         SelectedItems = selectedItems.ToArray();
         await SelectedItemsChanged.InvokeAsync(SelectedItems);
-        StateHasChanged();
+        RefreshMediator.NotifyStateHasChangedSafe();
     }
 }
diff --git a/NftFaucetRadzen/Models/RefreshMediator.cs b/NftFaucetRadzen/Models/RefreshMediator.cs
new file mode 100644
index 0000000..63dac75
--- /dev/null
+++ b/NftFaucetRadzen/Models/RefreshMediator.cs
@@ -0,0 +1,19 @@
+namespace NftFaucetRadzen.Models;
+
+public class RefreshMediator
+{
+    public delegate void StateChangedDelegate();
+    public event StateChangedDelegate StateChanged;
+
+    public void NotifyStateHasChangedSafe()
+    {
+        try
+        {
+            StateChanged?.Invoke();
+        }
+        catch (Exception)
+        {
+            // ignored
+        }
+    }
+}
diff --git a/NftFaucetRadzen/Models/ScopedAppState.cs b/NftFaucetRadzen/Models/ScopedAppState.cs
new file mode 100644
index 0000000..26a3a0c
--- /dev/null
+++ b/NftFaucetRadzen/Models/ScopedAppState.cs
@@ -0,0 +1,11 @@
+namespace NftFaucetRadzen.Models;
+
+public class ScopedAppState
+{
+    public StateStorage Storage { get; private set; } = new();
+
+    public void Reset()
+    {
+        Storage = new StateStorage();
+    }
+}
diff --git a/NftFaucetRadzen/Models/StateStorage.cs b/NftFaucetRadzen/Models/StateStorage.cs
new file mode 100644
index 0000000..62f4bad
--- /dev/null
+++ b/NftFaucetRadzen/Models/StateStorage.cs
@@ -0,0 +1,6 @@
+namespace NftFaucetRadzen.Models;
+
+public class StateStorage
+{
+    public CardListItem[] SelectedNetworks { get; set; }
+}
diff --git a/NftFaucetRadzen/Pages/Network.razor b/NftFaucetRadzen/Pages/Network.razor
index 59f3a8e..2a13312 100644
--- a/NftFaucetRadzen/Pages/Network.razor
+++ b/NftFaucetRadzen/Pages/Network.razor
@@ -1,4 +1,5 @@
 @page "/network"
+@inherits BasicComponent
 
 <PageTitle>Network</PageTitle>
 <RadzenContent Container="main">
@@ -6,30 +7,29 @@
     <RadzenTabs RenderMode="TabRenderMode.Client">
         <Tabs>
             <RadzenTabsItem Text="Ethereum">
-                <CardList Data="@EthereumNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@EthereumNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
             <RadzenTabsItem Text="Polygon">
-                <CardList Data="@PolygonNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@PolygonNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
             <RadzenTabsItem Text="Bsc">
-                <CardList Data="@BscNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@BscNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
             <RadzenTabsItem Text="Optimism">
-                <CardList Data="@OptimismNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@OptimismNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
             <RadzenTabsItem Text="Moonbase">
-                <CardList Data="@MoonbaseNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@MoonbaseNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
             <RadzenTabsItem Text="Arbitrum">
-                <CardList Data="@ArbitrumNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@ArbitrumNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
             <RadzenTabsItem Text="Avalanche">
-                <CardList Data="@AvalancheNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@AvalancheNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
             <RadzenTabsItem Text="Solana">
-                <CardList Data="@SolanaNetworks" @bind-SelectedItems="@SelectedNetworks" />
+                <CardList Data="@SolanaNetworks" @bind-SelectedItems="@AppState.Storage.SelectedNetworks" />
             </RadzenTabsItem>
-            
         </Tabs>
     </RadzenTabs>
 </RadzenContent>
diff --git a/NftFaucetRadzen/Pages/Network.razor.cs b/NftFaucetRadzen/Pages/Network.razor.cs
index 6d78084..c50b066 100644
--- a/NftFaucetRadzen/Pages/Network.razor.cs
+++ b/NftFaucetRadzen/Pages/Network.razor.cs
@@ -1,75 +1,66 @@
 using Microsoft.JSInterop;
 using Microsoft.AspNetCore.Components;
+using NftFaucetRadzen.Components;
 using NftFaucetRadzen.Models;
 using NftFaucetRadzen.Models.Enums;
-using NftFaucetRadzen.Options;
 using Radzen;
 
-namespace NftFaucetRadzen.Pages
+namespace NftFaucetRadzen.Pages;
+
+public partial class Network : BasicComponent
 {
-    public partial class Network
+    [Inject]
+    protected IJSRuntime JSRuntime { get; set; }
+
+    [Inject]
+    protected DialogService DialogService { get; set; }
+
+    [Inject]
+    protected TooltipService TooltipService { get; set; }
+
+    [Inject]
+    protected ContextMenuService ContextMenuService { get; set; }
+
+    [Inject]
+    protected NotificationService NotificationService { get; set; }
+
+    protected override void OnInitialized()
     {
-        [Inject]
-        protected IJSRuntime JSRuntime { get; set; }
-
-        [Inject]
-        protected NavigationManager NavigationManager { get; set; }
-
-        [Inject]
-        protected DialogService DialogService { get; set; }
-
-        [Inject]
-        protected TooltipService TooltipService { get; set; }
-
-        [Inject]
-        protected ContextMenuService ContextMenuService { get; set; }
-
-        [Inject]
-        protected NotificationService NotificationService { get; set; }
-
-        [Inject]
-        protected Settings Settings { get; set; }
-
-        protected override void OnInitialized()
-        {
-            EthereumNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Ethereum).Select(MapCardListItem).ToArray();
-            PolygonNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Polygon).Select(MapCardListItem).ToArray();
-            BscNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Bsc).Select(MapCardListItem).ToArray();
-            OptimismNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Optimism).Select(MapCardListItem).ToArray();
-            MoonbaseNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Moonbase).Select(MapCardListItem).ToArray();
-            ArbitrumNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Arbitrum).Select(MapCardListItem).ToArray();
-            AvalancheNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Avalanche).Select(MapCardListItem).ToArray();
-            SolanaNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Solana).Select(MapCardListItem).ToArray();
-        }
-
-        protected CardListItem[] EthereumNetworks { get; private set; }
-        protected CardListItem[] PolygonNetworks { get; private set; }
-        protected CardListItem[] BscNetworks { get; private set; }
-        protected CardListItem[] OptimismNetworks { get; private set; }
-        protected CardListItem[] MoonbaseNetworks { get; private set; }
-        protected CardListItem[] ArbitrumNetworks { get; private set; }
-        protected CardListItem[] AvalancheNetworks { get; private set; }
-        protected CardListItem[] SolanaNetworks { get; private set; }
-
-        public CardListItem[] SelectedNetworks { get; set; }
-
-        private static CardListItem MapCardListItem(NetworkModel model)
-            => new CardListItem
-            {
-                ImageName = model.ImageName,
-                Header = model.Name,
-                IsDisabled = !model.IsSupported,
-                Properties = new[]
-                {
-                    new CardListItemProperty { Name = "ChainID", Value = model.ChainId?.ToString() },
-                    new CardListItemProperty { Name = "Currency", Value = model.Currency },
-                },
-                Badges = new[]
-                {
-                    !model.IsSupported ? new CardListItemBadge { Style = BadgeStyle.Light, Text = "Not Supported" } : null,
-                    !model.IsTestnet ? new CardListItemBadge { Style = BadgeStyle.Danger, Text = "Mainnet" } : null,
-                    model.IsDeprecated ? new CardListItemBadge { Style = BadgeStyle.Warning, Text = "Deprecated" } : null,
-                }.Where(x => x != null).ToArray(),
-            };
+        EthereumNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Ethereum).Select(MapCardListItem).ToArray();
+        PolygonNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Polygon).Select(MapCardListItem).ToArray();
+        BscNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Bsc).Select(MapCardListItem).ToArray();
+        OptimismNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Optimism).Select(MapCardListItem).ToArray();
+        MoonbaseNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Moonbase).Select(MapCardListItem).ToArray();
+        ArbitrumNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Arbitrum).Select(MapCardListItem).ToArray();
+        AvalancheNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Avalanche).Select(MapCardListItem).ToArray();
+        SolanaNetworks = Settings.Networks.Where(x => x.Type == NetworkType.Solana).Select(MapCardListItem).ToArray();
     }
+
+    protected CardListItem[] EthereumNetworks { get; private set; }
+    protected CardListItem[] PolygonNetworks { get; private set; }
+    protected CardListItem[] BscNetworks { get; private set; }
+    protected CardListItem[] OptimismNetworks { get; private set; }
+    protected CardListItem[] MoonbaseNetworks { get; private set; }
+    protected CardListItem[] ArbitrumNetworks { get; private set; }
+    protected CardListItem[] AvalancheNetworks { get; private set; }
+    protected CardListItem[] SolanaNetworks { get; private set; }
+
+    private static CardListItem MapCardListItem(NetworkModel model)
+        => new CardListItem
+        {
+            ImageName = model.ImageName,
+            Header = model.Name,
+            IsDisabled = !model.IsSupported,
+            Properties = new[]
+            {
+                new CardListItemProperty { Name = "ChainID", Value = model.ChainId?.ToString() },
+                new CardListItemProperty { Name = "Currency", Value = model.Currency },
+            },
+            Badges = new[]
+            {
+                !model.IsSupported ? new CardListItemBadge { Style = BadgeStyle.Light, Text = "Not Supported" } : null,
+                !model.IsTestnet ? new CardListItemBadge { Style = BadgeStyle.Danger, Text = "Mainnet" } : null,
+                model.IsDeprecated ? new CardListItemBadge { Style = BadgeStyle.Warning, Text = "Deprecated" } : null,
+            }.Where(x => x != null).ToArray(),
+        };
 }
diff --git a/NftFaucetRadzen/Program.cs b/NftFaucetRadzen/Program.cs
index e2f8771..e38ed63 100644
--- a/NftFaucetRadzen/Program.cs
+++ b/NftFaucetRadzen/Program.cs
@@ -1,6 +1,7 @@
 using Microsoft.AspNetCore.Components.Web;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
 using NftFaucetRadzen;
+using NftFaucetRadzen.Models;
 using NftFaucetRadzen.Options;
 using Radzen;
 
@@ -14,7 +15,8 @@ builder.Configuration.Bind(settings);
 builder.Services.AddSingleton(settings);
 
 builder.Services.AddScoped(sp => new HttpClient {BaseAddress = new Uri(builder.HostEnvironment.BaseAddress)});
-
+builder.Services.AddScoped<ScopedAppState>();
+builder.Services.AddScoped<RefreshMediator>();
 builder.Services.AddScoped<DialogService>();
 builder.Services.AddScoped<NotificationService>();
 builder.Services.AddScoped<TooltipService>();
diff --git a/NftFaucetRadzen/Shared/MainLayout.razor b/NftFaucetRadzen/Shared/MainLayout.razor
index 47aabf7..8b0fce7 100644
--- a/NftFaucetRadzen/Shared/MainLayout.razor
+++ b/NftFaucetRadzen/Shared/MainLayout.razor
@@ -1,4 +1,4 @@
-@inherits LayoutComponentBase
+@inherits BasicLayout
 
 <div class="page">
     <div class="sidebar">
diff --git a/NftFaucetRadzen/Shared/NavMenu.razor b/NftFaucetRadzen/Shared/NavMenu.razor
index f8e89d6..dbf1507 100644
--- a/NftFaucetRadzen/Shared/NavMenu.razor
+++ b/NftFaucetRadzen/Shared/NavMenu.razor
@@ -1,4 +1,6 @@
-<div class="top-row ps-3 navbar navbar-dark">
+@inherits BasicComponent
+
+<div class="top-row ps-3 navbar navbar-dark">
     <div class="container-fluid">
         <a class="navbar-brand" href="">NftFaucetRadzen</a>
         <button title="Navigation menu" class="navbar-toggler" @onclick="ToggleNavMenu">
@@ -11,7 +13,7 @@
     <nav class="flex-column">
         <div class="nav-item px-3">
             <NavLink class="nav-link" href="network">
-                <span class="oi oi-wifi" aria-hidden="true"></span> Network
+                <span class="oi oi-wifi" aria-hidden="true"></span> @("Network" + (SelectedNetworkName != null ? $" ({SelectedNetworkName})" : string.Empty))
             </NavLink>
         </div>
         <div class="nav-item px-3">
diff --git a/NftFaucetRadzen/Shared/NavMenu.razor.cs b/NftFaucetRadzen/Shared/NavMenu.razor.cs
new file mode 100644
index 0000000..3b08156
--- /dev/null
+++ b/NftFaucetRadzen/Shared/NavMenu.razor.cs
@@ -0,0 +1,10 @@
+using Microsoft.AspNetCore.Components;
+using NftFaucetRadzen.Components;
+using NftFaucetRadzen.Models;
+
+namespace NftFaucetRadzen.Shared;
+
+public partial class NavMenu : BasicComponent
+{
+    protected string SelectedNetworkName => AppState.Storage.SelectedNetworks?.FirstOrDefault()?.Header;
+}