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package alpscaldav
import (
"fmt"
"net/http"
"net/url"
"git.sr.ht/~emersion/alps"
"github.com/emersion/go-webdav/caldav"
)
var errNoCalendar = fmt.Errorf("caldav: no calendar found")
type authRoundTripper struct {
upstream http.RoundTripper
session *alps.Session
}
func (rt *authRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
rt.session.SetHTTPBasicAuth(req)
return rt.upstream.RoundTrip(req)
}
func newClient(u *url.URL, session *alps.Session) (*caldav.Client, error) {
rt := authRoundTripper{
upstream: http.DefaultTransport,
session: session,
}
c, err := caldav.NewClient(&http.Client{Transport: &rt}, u.String())
if err != nil {
return nil, fmt.Errorf("failed to create CalDAV client: %v", err)
}
return c, nil
}
func getCalendar(u *url.URL, session *alps.Session) (*caldav.Client, *caldav.Calendar, error) {
c, err := newClient(u, session)
if err != nil {
return nil, nil, err
}
principal, err := c.FindCurrentUserPrincipal()
if err != nil {
return nil, nil, fmt.Errorf("failed to query CalDAV principal: %v", err)
}
calendarHomeSet, err := c.FindCalendarHomeSet(principal)
if err != nil {
return nil, nil, fmt.Errorf("failed to query CalDAV calendar home set: %v", err)
}
calendars, err := c.FindCalendars(calendarHomeSet)
if err != nil {
return nil, nil, fmt.Errorf("failed to find calendars: %v", err)
}
if len(calendars) == 0 {
return nil, nil, errNoCalendar
}
return c, &calendars[0], nil
}
type CalendarObject struct {
*caldav.CalendarObject
}
func newCalendarObjectList(cos []caldav.CalendarObject) []CalendarObject {
l := make([]CalendarObject, len(cos))
for i := range cos {
l[i] = CalendarObject{&cos[i]}
}
return l
}
func (ao CalendarObject) URL() string {
return "/calendar/" + url.PathEscape(ao.Path)
}
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