From 378926240f34759116b19e078d2b2504965f5329 Mon Sep 17 00:00:00 2001
From: Lukasz Kasprzak <lukas@labunix.xyz>
Date: Fri, 24 Jul 2026 16:56:07 +0200
Subject: export: month calendar PDF (A4 landscape, Monday-first grid, feast
 name + gospel ref + liturgical colour per day); cli --calendar YYYY-MM; web
 /calendar + link; readings.GospelCitation; v0.23.0

---
 internal/readings/readings.go | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'internal/readings')

diff --git a/internal/readings/readings.go b/internal/readings/readings.go
index 047e901..49c9adc 100644
--- a/internal/readings/readings.go
+++ b/internal/readings/readings.go
@@ -57,6 +57,31 @@ func Load(cfg config.Config, opts Options) ([]liturgy.Section, liturgy.DayInfo,
 	return filterParts(secs, cfg, opts.All), info, nil
 }
 
+// GospelCitation returns the gospel's scripture reference from loaded sections:
+// the section tagged "ewangelia" (modern) or "evangelium" (traditional), else
+// the first section; preferring its Citation, else the reference parsed from its
+// heading. Used by the month-calendar export (and mirrors the CLI helper).
+func GospelCitation(secs []liturgy.Section) string {
+	pick := func(s liturgy.Section) string {
+		if s.Citation != "" {
+			return s.Citation
+		}
+		if c, err := liturgy.ExtractCitation(s.Heading); err == nil {
+			return c
+		}
+		return ""
+	}
+	for _, s := range secs {
+		if s.PartID == "ewangelia" || s.PartID == "evangelium" {
+			return pick(s)
+		}
+	}
+	if len(secs) > 0 {
+		return pick(secs[0])
+	}
+	return ""
+}
+
 // filterParts keeps only the gospel when !all (PartID "ewangelia" modern or
 // "evangelium" traditional). When all and the lectionary is traditional, it
 // keeps only the scripture readings (isTraditionalReading) -- dropping
-- 
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