[frontend/components] Add blocking state to FollowButton

Iceshrimp.Frontend/Components/FollowButton.razor

@@ -1,10 +1,12 @@
 @using Iceshrimp.Assets.PhosphorIcons
+@using Iceshrimp.Frontend.Core.Miscellaneous
 @using Iceshrimp.Frontend.Core.Services
 @using Iceshrimp.Frontend.Localization
 @using Iceshrimp.Shared.Schemas.Web
 @using Microsoft.Extensions.Localization
 @inject IStringLocalizer<Localization> Loc;
 @inject ApiService                     Api;
+@inject GlobalComponentSvc             Global;
 @if (_buttonType == ButtonType.Self) return;
 
 <span class="follow-button">
@@ -34,6 +36,12 @@
                     <Icon Name="Icons.X" class="icon"/>
                 </button>
                 break;
+            case ButtonType.Blocking:
+                <button @onclick="Action" class="btn">
+                    <span class="text">@Loc["Unblock"]</span>
+                    <Icon Name="Icons.Prohibit" class="icon"/>
+                </button>
+                break;
         }
 </span>
 
@@ -54,10 +62,13 @@
         FollowBack,
         FollowLocked,
         CancelRequest,
+        Blocking,
         Self
     }
 
     private async Task Action()
+    {
+        try
         {
             switch (_buttonType)
             {
@@ -68,6 +79,14 @@
                 case ButtonType.Unfollow or ButtonType.CancelRequest:
                     await Unfollow();
                     break;
+                case ButtonType.Blocking:
+                    await Unblock();
+                    break;
+            }
+        }
+        catch (ApiException e)
+        {
+            await Global.NoticeDialog?.Display(e.Response.Message ?? Loc["An unknown error occurred"], NoticeDialog.NoticeType.Error)!;
         }
     }
 
@@ -90,6 +109,14 @@
         StateHasChanged();
     }
 
+    private async Task Unblock()
+    {
+        await Api.Users.UnblockUserAsync(User.Id);
+        UserProfile.Relations -= (int)Relations.Blocking;
+        ChooseButton();
+        StateHasChanged();
+    }
+
     private void ChooseButton()
     {
         if (UserProfile.Relations == Relations.None)
@@ -112,6 +139,11 @@
             _buttonType = ButtonType.CancelRequest;
         }
 
+        if (UserProfile.Relations.HasFlag(Relations.Blocking))
+        {
+            _buttonType = ButtonType.Blocking;
+        }
+
         if (UserProfile.Relations.HasFlag(Relations.Self))
         {
             _buttonType = ButtonType.Self;