From 8c50211efb1a426ce2d2beb7a04e9a1a835582ba Mon Sep 17 00:00:00 2001
From: pancakes <trypancakes@tutanota.com>
Date: Sat, 29 Mar 2025 14:03:40 +1000
Subject: [PATCH] [backend/razor] Add UI for setting instance banner

---
 .../Core/Services/InstanceService.cs             |  7 ++++---
 Iceshrimp.Backend/Core/Services/MetaService.cs   |  1 +
 Iceshrimp.Backend/Pages/Admin/Metadata.razor     | 16 +++++++++++++---
 .../Pages/Shared/RootComponent.razor             |  4 ++--
 4 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/Iceshrimp.Backend/Core/Services/InstanceService.cs b/Iceshrimp.Backend/Core/Services/InstanceService.cs
index 4e7043eb..3e18c5aa 100644
--- a/Iceshrimp.Backend/Core/Services/InstanceService.cs
+++ b/Iceshrimp.Backend/Core/Services/InstanceService.cs
@@ -277,9 +277,10 @@ public class InstanceService(
 		return rule;
 	}
 
-	public async Task<string?> GetInstanceImageAsync()
+	public async Task<(string?, string?)> GetInstanceImageAsync()
 	{
-		var iconId = await meta.GetAsync(MetaEntity.IconFileId);
-		return await db.DriveFiles.Where(p => p.Id == iconId).Select(p => p.RawAccessUrl).FirstOrDefaultAsync();
+		var (iconId, bannerId) = await meta.GetManyAsync(MetaEntity.IconFileId, MetaEntity.BannerFileId);
+		return (await db.DriveFiles.Where(p => p.Id == iconId).Select(p => p.RawAccessUrl).FirstOrDefaultAsync(),
+		        await db.DriveFiles.Where(p => p.Id == bannerId).Select(p => p.RawAccessUrl).FirstOrDefaultAsync());
 	}
 }
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Core/Services/MetaService.cs b/Iceshrimp.Backend/Core/Services/MetaService.cs
index 7579fa4a..5dfd045b 100644
--- a/Iceshrimp.Backend/Core/Services/MetaService.cs
+++ b/Iceshrimp.Backend/Core/Services/MetaService.cs
@@ -81,6 +81,7 @@ public static class MetaEntity
 	public static readonly NullableStringMeta AdminContactEmail   = new("admin_contact_email");
 	public static readonly NullableStringMeta ThemeColor          = new("theme_color");
 	public static readonly NullableStringMeta IconFileId          = new("icon_file_id");
+	public static readonly NullableStringMeta BannerFileId        = new("banner_file_id");
 }
 
 public class Meta<T>(
diff --git a/Iceshrimp.Backend/Pages/Admin/Metadata.razor b/Iceshrimp.Backend/Pages/Admin/Metadata.razor
index adce1be8..52125af5 100644
--- a/Iceshrimp.Backend/Pages/Admin/Metadata.razor
+++ b/Iceshrimp.Backend/Pages/Admin/Metadata.razor
@@ -13,6 +13,8 @@
 <EditForm FormName="update-metadata" Model="Model" OnSubmit="@OnSubmit" enctype="multipart/form-data">
     <label for="icon">Icon</label>
     <InputFile name="Model.IconFile" id="icon" accept="image/*"/>
+    <label for="banner">Banner</label>
+    <InputFile name="Model.BannerFile" id="banner" accept="image/*"/>
     <label for="name">Instance name</label>
     <InputText @bind-Value="@Model.Name" id="name" placeholder="Shrimp & friends"/>
     <label for="desc">Instance description</label>
@@ -38,6 +40,7 @@
         public string?    AdminContact { get; set; }
         public string?    ThemeColor   { get; set; }
         public IFormFile? IconFile     { get; set; }
+        public IFormFile? BannerFile   { get; set; }
 
         public void Canonicalize()
         {
@@ -58,6 +61,8 @@
                 ThemeColor = null;
             if (!IconFile?.ContentType.StartsWith("image/") ?? false)
                 IconFile = null;
+            if (!BannerFile?.ContentType.StartsWith("image/") ?? false)
+                BannerFile = null;
         }
     }
 
@@ -81,14 +86,19 @@
         await Meta.SetAsync(MetaEntity.AdminContactEmail, Model.AdminContact);
         await Meta.SetAsync(MetaEntity.ThemeColor, Model.ThemeColor);
 
+        var ia = await SystemUser.GetInstanceActorAsync();
         if (Model.IconFile != null)
         {
-            var ia  = await SystemUser.GetInstanceActorAsync();
-            var req = new DriveFileCreationRequest { Filename = Model.IconFile.Name, IsSensitive = false, MimeType = Model.IconFile.ContentType };
-
+            var req  = new DriveFileCreationRequest { Filename = Model.IconFile.Name, IsSensitive = false, MimeType = Model.IconFile.ContentType };
             var file = await Drive.StoreFileAsync(Model.IconFile.OpenReadStream(), ia, req);
             await Meta.SetAsync(MetaEntity.IconFileId, file.Id);
         }
+        if (Model.BannerFile != null)
+        {
+            var req  = new DriveFileCreationRequest { Filename = Model.BannerFile.Name, IsSensitive = false, MimeType = Model.BannerFile.ContentType };
+            var file = await Drive.StoreFileAsync(Model.BannerFile.OpenReadStream(), ia, req);
+            await Meta.SetAsync(MetaEntity.BannerFileId, file.Id);
+        }
 
         ReloadPage();
     }
diff --git a/Iceshrimp.Backend/Pages/Shared/RootComponent.razor b/Iceshrimp.Backend/Pages/Shared/RootComponent.razor
index da8594b4..162521e7 100644
--- a/Iceshrimp.Backend/Pages/Shared/RootComponent.razor
+++ b/Iceshrimp.Backend/Pages/Shared/RootComponent.razor
@@ -72,8 +72,8 @@
     {
         _user = Context.GetUser();
 
-        _instanceName = await Meta.GetAsync(MetaEntity.InstanceName);
-        _instanceIcon = await InstanceSvc.GetInstanceImageAsync();
+        _instanceName      = await Meta.GetAsync(MetaEntity.InstanceName);
+        (_instanceIcon, _) = await InstanceSvc.GetInstanceImageAsync();
 
         if (Context.GetEndpoint()?.Metadata.GetMetadata<RequireAuthorizationAttribute>() == null)
             return;