feat: support delete selected configurations

CaddyManager/Components/Pages/ReverseProxies/ReverseProxiesPage.razor

@@ -8,7 +8,8 @@
                OnClick="NewReverseProxy">New...
     </MudButton>
     <MudButton Variant="Variant.Filled" Color="Color.Error" StartIcon="@Icons.Material.Filled.Delete"
-               Disabled="@(_selectedCaddyConfigurations.Count <= 0)">Delete
+               Disabled="@(_selectedCaddyConfigurations.Count <= 0)"
+               OnClick="Delete">Delete
     </MudButton>
 </MudContainer>
 <MudList T="string" Style="padding-top: 16px;" SelectionMode="SelectionMode.MultiSelection"

CaddyManager/Components/Pages/ReverseProxies/ReverseProxiesPage.razor.cs

@@ -15,6 +15,9 @@ public partial class ReverseProxiesPage : ComponentBase
     [Inject]
     private IDialogService DialogService { get; set; } = null!;
     
+    [Inject]
+    private ISnackbar Snackbar { get; set; } = null!;
+
     protected override void OnAfterRender(bool firstRender)
     {
         if (firstRender)
@@ -55,4 +58,21 @@ public partial class ReverseProxiesPage : ComponentBase
         _availableCaddyConfigurations = CaddyService.GetExistingCaddyConfigurations();
         StateHasChanged();
     }
+    
+    private void Delete()
+    {
+        var response = CaddyService.DeleteCaddyConfigurations(_selectedCaddyConfigurations.ToList());
+        
+        _selectedCaddyConfigurations = _selectedCaddyConfigurations.Except(response.DeletedConfigurations).ToList();
+        
+        if (response.Success)
+        {
+            Snackbar.Add("Configuration(s) deleted successfully", Severity.Success);
+            Refresh();
+        }
+        else
+        {
+            Snackbar.Add(response.Message, Severity.Error);
+        }
+    }
 }

CaddyManager/Contracts/Caddy/ICaddyService.cs

@@ -40,4 +40,11 @@ public interface ICaddyService
     /// <param name="content"></param>
     /// <returns></returns>
     CaddyOperationResponse SaveCaddyGlobalConfiguration(string content);
+
+    /// <summary>
+    /// Method to delete the given Caddy configurations by name
+    /// </summary>
+    /// <param name="configurationNames"></param>
+    /// <returns></returns>
+    CaddyDeleteOperationResponse DeleteCaddyConfigurations(List<string> configurationNames);
 }

CaddyManager/Models/Caddy/CaddyDeleteOperationResponse.cs

@@ -0,0 +1,12 @@
+namespace CaddyManager.Models.Caddy;
+
+/// <summary>
+/// Class to wrap the response of a Caddy delete operation
+/// </summary>
+public class CaddyDeleteOperationResponse : CaddyOperationResponse
+{
+    /// <summary>
+    /// List of configurations that were successfully deleted
+    /// </summary>
+    public List<string> DeletedConfigurations { get; set; } = [];
+}

CaddyManager/Services/CaddyService.cs

@@ -21,6 +21,7 @@ public class CaddyService(IConfigurationsService configurationsService) : ICaddy
         return Directory.GetFiles(Configurations.ConfigDir)
             .Where(filePath => Path.GetFileName(filePath) != CaddyGlobalConfigName)
             .Select(Path.GetFileNameWithoutExtension)
+            .Order()
             .ToList()!;
     }
 
@@ -92,4 +93,41 @@ public class CaddyService(IConfigurationsService configurationsService) : ICaddy
             FileName = CaddyGlobalConfigName,
             Content = content
         });
+
+    /// <inheritdoc />
+    public CaddyDeleteOperationResponse DeleteCaddyConfigurations(List<string> configurationNames)
+    {
+        var failed = new List<string>();
+        
+        foreach (var configurationName in configurationNames)
+        {
+            var filePath = Path.Combine(Configurations.ConfigDir,
+                configurationName == CaddyGlobalConfigName ? CaddyGlobalConfigName : $"{configurationName}.caddy");
+
+            if (File.Exists(filePath))
+            {
+                try
+                {
+                    File.Delete(filePath);
+                }
+                catch
+                {
+                    failed.Add(configurationName);
+                }
+            }
+            else
+            {
+                failed.Add(configurationName);
+            }
+        }
+        
+        return new CaddyDeleteOperationResponse
+        {
+            Success = failed.Count == 0,
+            Message = failed.Count == 0
+                ? "Configuration(s) deleted successfully"
+                : $"Failed to delete the following configuration(s): {string.Join(", ", failed)}",
+            DeletedConfigurations = configurationNames.Except(failed).ToList()
+        };
+    }
 }