liturgy: carry the observed rank on DayInfo

3 files changed, 36 insertions, 0 deletions

diff --git a/internal/liturgy/section.go b/internal/liturgy/section.go
index dcca7b5..485a45f 100644
--- a/internal/liturgy/section.go
+++ b/internal/liturgy/section.go
@@ -33,4 +33,9 @@ type DayInfo struct {
 	// Colour is the normalized liturgical colour: "white", "green",
 	// "violet", "red", "rose", or "" when unknown/unmapped.
 	Colour string
+	// Rank is the normalized liturgical rank of the observed celebration:
+	// the Ordinary Form's "ferial", "optional", "memorial", "feast",
+	// "solemnity", or the 1962 form's "class-1".."class-4",
+	// "commemoration". Empty when the day carries no rank.
+	Rank string
 }
diff --git a/internal/readings/offline.go b/internal/readings/offline.go
index d0b8942..2f96c14 100644
--- a/internal/readings/offline.go
+++ b/internal/readings/offline.go
@@ -116,6 +116,7 @@ func dayInfo(cfg config.Config, day calendar.LiturgicalDay) liturgy.DayInfo {
 	return liturgy.DayInfo{
 		Name:   celebrationName(cfg, day.Observed),
 		Colour: string(day.Colour),
+		Rank:   string(day.Observed.Rank),
 	}
 }
 
diff --git a/internal/readings/partids_test.go b/internal/readings/partids_test.go
new file mode 100644
index 0000000..68f5ec0
--- /dev/null
+++ b/internal/readings/partids_test.go
@@ -0,0 +1,30 @@
+package readings
+
+import (
+	"testing"
+
+	"github.com/lukaszkasprzak/lectio/internal/config"
+)
+
+// The day header must carry the rank, not just name and colour: the app's
+// calendar rows and the CLI's day line both display it.
+func TestDayInfoCarriesRank(t *testing.T) {
+	cases := []struct {
+		date, lect, wantRank string
+	}{
+		// 2026-08-01 is the memorial of St Alphonsus Liguori in the OF.
+		{"2026-08-01", "new", "memorial"},
+		// 2026-12-25 is a solemnity.
+		{"2026-12-25", "new", "solemnity"},
+	}
+	for _, c := range cases {
+		cfg := config.Config{UILanguage: "en", Lectionary: c.lect, All: true}
+		_, info, err := Load(cfg, Options{Date: c.date, All: true})
+		if err != nil {
+			t.Fatalf("%s: load: %v", c.date, err)
+		}
+		if info.Rank != c.wantRank {
+			t.Errorf("%s: rank = %q, want %q", c.date, info.Rank, c.wantRank)
+		}
+	}
+}