90 lines
1.7 KiB
Go

package calendar
import (
"ArinDash/config"
"sort"
"time"
"github.com/arran4/golang-ical"
)
type configFile struct {
Calendar calendarConfig
}
type calendarConfig struct {
ICS []ICS
Icon string
}
type ICS struct {
Icon string
URL string
}
type Event struct {
UID string
Summary string
Description string
Start time.Time
End time.Time
Location string
Icon string
}
func FetchEvents() []Event {
cfg := &configFile{}
config.LoadConfig(cfg)
events := make([]Event, 0)
for _, ic := range cfg.Calendar.ICS {
cal, err := ics.ParseCalendarFromUrl(ic.URL)
if err != nil {
panic(err)
}
for _, event := range cal.Events() {
startAt, err := event.GetStartAt()
if err != nil {
startAt = time.Now()
}
endAt, err := event.GetEndAt()
if err != nil {
endAt = startAt
}
events = append(events, Event{
UID: getValue(event, ics.ComponentPropertyUniqueId),
Icon: ic.Icon,
Summary: getValue(event, ics.ComponentPropertySummary),
Description: getValue(event, ics.ComponentPropertyDescription),
Start: startAt,
End: endAt,
Location: getValue(event, ics.ComponentPropertyLocation),
})
}
}
result := filter(events, func(i Event) bool {
return i.End.After(time.Now())
})
sort.Slice(result, func(i, j int) bool {
return result[i].Start.Before(result[j].Start)
})
return result
}
func getValue(event *ics.VEvent, property ics.ComponentProperty) string {
ianaProperty := event.GetProperty(property)
if ianaProperty == nil {
return ""
}
return ianaProperty.Value
}
func filter[T any](ss []T, test func(T) bool) (ret []T) {
for _, s := range ss {
if test(s) {
ret = append(ret, s)
}
}
return
}