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7.1 IImageUrlFetcher

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Add IImageUrlFetcher with HttpClient-backed implementation that enforces
UrlFetch.TimeoutSeconds, MaxRedirects, and MaxBytes. Surfaces failures as
ImageFetchException so the URL-ingestion endpoint can map them to 502.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Fritiof Hedman
2026-06-07 15:51:16 +02:00
parent d94009690c
commit 3bef27b286
5 changed files with 140 additions and 1 deletions
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IMPLEMENTATION.md
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@@ -177,7 +177,7 @@ Each type lives in `src/FrameProcessor/Domain/`. Tests in `tests/FrameProcessor.
## Phase 7 — URL-fetch ingestion
### [ ] 7.1 `IImageUrlFetcher`
### [x] 7.1 `IImageUrlFetcher`
- Constructor takes `HttpClient` (via `IHttpClientFactory`) configured with `UrlFetch.TimeoutSeconds` and `MaxRedirects`.
- `Task<Stream> FetchAsync(Uri, CancellationToken)` — streams response, aborts if content exceeds `MaxBytes`.
- Throws a typed exception (`ImageFetchException`) for timeout / non-2xx / too-large / redirect-loop.