daniel-c-harvey
c084efa78e
Mint a first-party localStorage anonId, thread it onto play/share beacons, persist it via EventController, and add all-time distinct-listener counts (site/track/release). Storage columns + indexes already existed from 16.1.
42 lines
1.5 KiB
C#
42 lines
1.5 KiB
C#
using Microsoft.JSInterop;
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namespace DeepDrftPublic.Client.Services;
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/// <summary>
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/// Production <see cref="IAnonIdProvider"/> over the <c>window.DeepDrftAnonId</c> TS interop. Reads the
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/// first-party <c>localStorage</c> GUID once and caches it for the session, so the synchronous emit paths
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/// read it with no JS hop. Scoped (per-session) like the other telemetry collaborators; the underlying
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/// token itself outlives the session in <c>localStorage</c> — the cache just avoids repeated interop.
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/// </summary>
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public sealed class AnonIdProvider : IAnonIdProvider
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{
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private readonly IJSRuntime _js;
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private bool _loaded;
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public AnonIdProvider(IJSRuntime js)
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{
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_js = js;
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}
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public string? Current { get; private set; }
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public async ValueTask EnsureLoadedAsync()
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{
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if (_loaded) return;
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try
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{
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// The module returns null when localStorage is unavailable; we store that null and still
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// mark loaded so we don't retry every emit. A genuine interop failure (module not yet
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// imported, prerender) is caught below and leaves _loaded false so a later warm can succeed.
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Current = await _js.InvokeAsync<string?>("DeepDrftAnonId.get");
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_loaded = true;
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}
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catch
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{
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// Interop unavailable (prerender / module not loaded). Leave Current null and unloaded so a
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// subsequent warm retries — telemetry simply omits the id until then.
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}
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}
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}
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