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package calfeed
import (
"time"
"github.com/lukaszkasprzak/lectio/internal/calendar"
"github.com/lukaszkasprzak/lectio/internal/naming"
)
// Build computes the day list from..to inclusive (calendar.Compute per date)
// and maps it to the wire model. readings is injected -- the caller passes
// caldata.Readings -- so calfeed never imports internal/caldata.
func Build(from, to time.Time, uiLang string, sel calendar.Selection, layers []calendar.Layer, readings func(date time.Time, day calendar.LiturgicalDay) []calendar.Reading) []DayView {
var days []DayView
for d := from; !d.After(to); d = d.AddDate(0, 0, 1) {
day := calendar.Compute(d, sel, layers)
others := make([]CelView, 0, len(day.Others))
for _, o := range day.Others {
others = append(others, celView(uiLang, o))
}
var rs []ReadingView
for _, r := range readings(d, day) {
rs = append(rs, ReadingView{Part: r.Part, Citation: r.Citation})
}
days = append(days, DayView{
Date: d.Format("2006-01-02"),
Season: string(day.Season),
Week: day.Week,
Weekday: day.Weekday.String(),
Colour: string(day.Colour),
Observed: celView(uiLang, day.Observed),
Others: others,
Cycles: Cycles{Sunday: day.SundayCycle, Weekday: day.WeekdayCycle},
Readings: rs,
})
}
return days
}
// celView maps a calendar.Celebration to its wire view.
func celView(uiLang string, c calendar.Celebration) CelView {
return CelView{
Slug: c.Slug,
Name: celebrationName(uiLang, c),
Rank: string(c.Rank),
Class: int(c.Class),
}
}
// celebrationName resolves c's name in uiLang via naming.CelebrationName
// (name.<lang> -> English -> Latin -> humanized slug), then "(feria)" for an
// unnamed temporal day.
func celebrationName(uiLang string, c calendar.Celebration) string {
if n := naming.CelebrationName(uiLang, c); n != "" {
return n
}
return "(feria)"
}
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