chore: refactor Caddyfile editor duplication

CaddyManager/Components/Pages/Caddy/CaddyReverseProxies/CaddyReverseProxiesPage.razor

@@ -29,7 +29,8 @@
          @bind-SelectedValues="_selectedCaddyConfigurations">
     @foreach (var (index, caddyConfig) in _availableCaddyConfigurations.Index())
     {
-        <CaddyReverseProxyItem ConfigurationInfo="@caddyConfig" OnCaddyRestartRequired="@RestartCaddy"/>
+        <CaddyReverseProxyItem ConfigurationInfo="@caddyConfig" OnCaddyRestartRequired="@RestartCaddy"
+                               OnCaddyfileDuplicateRequested="@HandleDuplicateRequest"/>
         
         @if (index < _availableCaddyConfigurations.Count - 1)
         {

CaddyManager/Components/Pages/Caddy/CaddyReverseProxies/CaddyReverseProxiesPage.razor.cs

@@ -42,6 +42,26 @@ public partial class CaddyReverseProxiesPage : ComponentBase
     /// </summary>
     /// <returns></returns>
     private async Task NewReverseProxy()
+    {
+        await ShowCaddyfileEditorDialog(string.Empty);
+    }
+
+    /// <summary>
+    /// Method to handle duplication of a Caddyfile from the editor dialog.
+    /// </summary>
+    /// <param name="content">The content of the Caddyfile to duplicate.</param>
+    private async Task HandleDuplicateRequest(string content)
+    {
+        await ShowCaddyfileEditorDialog(string.Empty, content);
+    }
+
+    /// <summary>
+    /// Helper to show the Caddyfile editor dialog
+    /// </summary>
+    /// <param name="fileName">The file name to open</param>
+    /// <param name="initialContent">The initial content of the file</param>
+    /// <returns></returns>
+    private async Task ShowCaddyfileEditorDialog(string fileName, string initialContent = "")
     {
         var dialog = await DialogService.ShowAsync<CaddyfileEditorComponent>("New configuration",
             options: new DialogOptions
@@ -50,7 +70,8 @@ public partial class CaddyReverseProxiesPage : ComponentBase
                 MaxWidth = MaxWidth.Medium
             }, parameters: new DialogParameters<CaddyfileEditorComponent>
             {
-                { p => p.FileName, string.Empty }
+                { p => p.FileName, fileName },
+                { p => p.InitialContent, initialContent }
             });
 
         _ = await dialog.Result;

CaddyManager/Components/Pages/Caddy/CaddyReverseProxies/CaddyReverseProxyItem.razor.cs

@@ -17,6 +17,9 @@ public partial class CaddyReverseProxyItem : ComponentBase
     [Parameter]
     public EventCallback OnCaddyRestartRequired { get; set; }
     
+    [Parameter]
+    public EventCallback<string> OnCaddyfileDuplicateRequested { get; set; }
+
     [Parameter]
     public CaddyConfigurationInfo ConfigurationInfo { get; set; } = null!;
     
@@ -35,10 +38,11 @@ public partial class CaddyReverseProxyItem : ComponentBase
         var dialog = await DialogService.ShowAsync<CaddyfileEditor.CaddyfileEditor>("Caddy file", options: new DialogOptions
         {
             FullWidth = true,
-            MaxWidth = MudBlazor.MaxWidth.Medium,
-        }, parameters: new MudBlazor.DialogParameters
+            MaxWidth = MaxWidth.Medium,
+        }, parameters: new DialogParameters<CaddyfileEditor.CaddyfileEditor>
         {
-            { "FileName", ConfigurationInfo.FileName }
+            { p => p.FileName, ConfigurationInfo.FileName },
+            { p => p.OnDuplicate, EventCallback.Factory.Create(this, OnCaddyfileDuplicateRequested) }
         });
 
         var result = await dialog.Result;

CaddyManager/Components/Pages/Caddy/CaddyfileEditor/CaddyfileEditor.razor

@@ -17,7 +17,7 @@
         <MudButton OnClick="Cancel">Cancel</MudButton>
         @if (!IsNew)
         {
-            <MudButton Color="Color.Tertiary" OnClick="Duplicate">Duplicate</MudButton>
+            <MudButton OnClick="Duplicate">Duplicate</MudButton>
         }
         <MudButton Color="Color.Primary" OnClick="Submit">Save</MudButton>
         <MudButton Color="Color.Secondary" OnClick="SaveAndRestart">Save & Restart</MudButton>

CaddyManager/Components/Pages/Caddy/CaddyfileEditor/CaddyfileEditor.razor.cs

@@ -17,6 +17,11 @@ public partial class CaddyfileEditor : ComponentBase
 
     [CascadingParameter] private IMudDialogInstance MudDialog { get; set; } = null!;
 
+    /// <summary>
+    /// Callback to be invoked when the Caddyfile is duplicated.
+    /// </summary>
+    [Parameter] public EventCallback<string> OnDuplicate { get; set; }
+
     /// <summary>
     /// Determines if the Caddy configuration file is new
     /// </summary>
@@ -135,17 +140,8 @@ public partial class CaddyfileEditor : ComponentBase
     {
         var content = await _codeEditor.GetValue();
 
-        MudDialog.Close(DialogResult.Ok(false));
+        await OnDuplicate.InvokeAsync(content);
 
-        await DialogService.ShowAsync<CaddyfileEditor>("New configuration",
-            options: new DialogOptions
-            {
-                FullWidth = true,
-                MaxWidth = MaxWidth.Medium
-            }, parameters: new DialogParameters<CaddyfileEditor>
-            {
-                { p => p.FileName, string.Empty },
-                { p => p.InitialContent, content }
-            });
+        MudDialog.Close(DialogResult.Ok(false));
     }
 }