feat(cms): medium-aware Add Track on Release Archive tabs (8.E)

Add Track now appears on every Release Archive tab and pre-selects the upload form's medium via ?medium=… (ALL→Cut); the selector stays user-changeable on landing.
2026-06-13 22:33:33 -04:00
parent 4b9e6531fd
commit c6ef641ab9
2 changed files with 49 additions and 1 deletions
@@ -130,6 +130,25 @@
    private ReleaseType _releaseType = ReleaseType.Single;
    private ReleaseMedium _medium = ReleaseMedium.Cut;

+    // Optional pre-select from the Add-Track buttons (§8.E): /tracks/upload?medium=session lands the
+    // form already in Session mode. A seed only — the medium selector stays user-changeable after load.
+    // Unrecognised/absent values fall through to the Cut default (same defensive posture as the API's
+    // TrackController.UploadTrack medium parse).
+    [SupplyParameterFromQuery(Name = "medium")] public string? MediumParam { get; set; }
+
+    protected override void OnInitialized()
+    {
+        // Seed the medium from the query param so a pre-selected upload form (e.g. the Sessions tab's
+        // Add Track) lands already showing that medium's conditional fields. Goes through OnMediumChanged
+        // so the single-track collapse runs identically to a user selector change.
+        if (!string.IsNullOrWhiteSpace(MediumParam)
+            && Enum.TryParse<ReleaseMedium>(MediumParam, ignoreCase: true, out var medium)
+            && Enum.IsDefined(medium))
+        {
+            OnMediumChanged(medium);
+        }
+    }
+
    // Switching to a single-track medium collapses any multi-track selection to the first row so the
    // single-track invariant holds before submit. The predicate reads the same MediumRules cardinality
    // declaration the upload service enforces, so the form and the domain cannot drift.