cli,tui,web: share traditional+offline pl-drop via render.EffectiveVersions; -v/--version any position

1 files changed, 13 insertions, 0 deletions

diff --git a/internal/render/render.go b/internal/render/render.go
index 6bccc65..265ed18 100644
--- a/internal/render/render.go
+++ b/internal/render/render.go
@@ -225,6 +225,19 @@ func OfflineVersions(versions []string) []string {
 	return out
 }
 
+// EffectiveVersions is the version set actually loadable for a request: "pl"
+// (the niedziela.pl modern scrape) is dropped -- substituting "wuj" if it was
+// the only Polish column, via OfflineVersions -- whenever the scrape is
+// unavailable: offline (never fetch) OR the traditional lectionary
+// (missalemeum, which has no niedziela.pl scrape). Shared by cli, tui and web
+// so all three binaries treat traditional/offline versions identically.
+func EffectiveVersions(versions []string, lectionary string, offline bool) []string {
+	if offline || lectionary == "traditional" {
+		return OfflineVersions(versions)
+	}
+	return versions
+}
+
 // Compare lays the versions of one reading section out as parallel columns,
 // side by side, wrapped to fit width. Ports render_compare. lang selects the
 // column-header label language (see GatherVersion).