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14 lines
1.1 KiB
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# AvatarHelper
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> **File:** `src/EchoHub.Client/Services/AvatarHelper.cs`
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> **Kind:** class
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```csharp
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internal static class AvatarHelper
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```
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AvatarHelper provides a single entry point to upload an avatar from either a local file path or a remote URL by converting the target into a `Stream`, then delegating the actual upload to `ApiClient.UploadAvatarAsync`. It abstracts away the file I/O and HTTP fetch logic, ensuring callers don't need to manage streams or HTTP requests themselves. It returns the server's ASCII art response as a `string?` and guarantees the `Stream` is disposed after the upload.
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## Remarks
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AvatarHelper isolates avatar uploading behind a focused API, so higher-level code doesn't need to know whether the source is a local file or a URL. It accepts either a local path or an HTTP(S) URL, resolves a valid `fileName` (defaulting to `avatar.png` when the URL doesn't supply one), and streams the content to `ApiClient.UploadAvatarAsync`. The helper ensures proper resource management by disposing the `Stream` after the upload, and it centralizes the cross-cutting concern of avatar uploads to a single place. |