140 lines
3.2 KiB
Go
140 lines
3.2 KiB
Go
package alpscaldav
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import (
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"fmt"
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"net/http"
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"net/url"
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"time"
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"git.sr.ht/~emersion/alps"
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"github.com/emersion/go-webdav/caldav"
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)
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type CalendarRenderData struct {
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alps.BaseRenderData
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Time time.Time
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Calendar *caldav.Calendar
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Events []caldav.CalendarObject
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PrevPage, NextPage string
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}
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type EventRenderData struct {
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alps.BaseRenderData
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Calendar *caldav.Calendar
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Event *caldav.CalendarObject
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}
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var monthPageLayout = "2006-01"
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func registerRoutes(p *alps.GoPlugin, u *url.URL) {
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p.GET("/calendar", func(ctx *alps.Context) error {
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var start time.Time
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if s := ctx.QueryParam("month"); s != "" {
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var err error
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start, err = time.Parse(monthPageLayout, s)
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if err != nil {
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return fmt.Errorf("failed to parse month: %v", err)
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}
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} else {
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now := time.Now()
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start = time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
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}
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end := start.AddDate(0, 1, 0)
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// TODO: multi-calendar support
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c, calendar, err := getCalendar(u, ctx.Session)
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if err != nil {
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return err
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}
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query := caldav.CalendarQuery{
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CompRequest: caldav.CalendarCompRequest{
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Name: "VCALENDAR",
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Props: []string{"VERSION"},
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Comps: []caldav.CalendarCompRequest{{
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Name: "VEVENT",
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Props: []string{
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"SUMMARY",
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"UID",
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"DTSTART",
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"DTEND",
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"DURATION",
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},
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}},
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},
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CompFilter: caldav.CompFilter{
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Name: "VCALENDAR",
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Comps: []caldav.CompFilter{{
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Name: "VEVENT",
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Start: start,
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End: end,
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}},
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},
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}
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events, err := c.QueryCalendar(calendar.Path, &query)
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if err != nil {
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return fmt.Errorf("failed to query calendar: %v", err)
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}
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return ctx.Render(http.StatusOK, "calendar.html", &CalendarRenderData{
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BaseRenderData: *alps.NewBaseRenderData(ctx),
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Time: start,
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Calendar: calendar,
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Events: events,
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PrevPage: start.AddDate(0, -1, 0).Format(monthPageLayout),
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NextPage: start.AddDate(0, 1, 0).Format(monthPageLayout),
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})
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})
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p.GET("/calendar/:uid", func(ctx *alps.Context) error {
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uid := ctx.Param("uid")
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c, calendar, err := getCalendar(u, ctx.Session)
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if err != nil {
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return err
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}
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query := caldav.CalendarQuery{
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CompRequest: caldav.CalendarCompRequest{
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Name: "VCALENDAR",
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Props: []string{"VERSION"},
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Comps: []caldav.CalendarCompRequest{{
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Name: "VEVENT",
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Props: []string{
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"SUMMARY",
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"DESCRIPTION",
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"UID",
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"DTSTART",
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"DTEND",
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"DURATION",
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},
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}},
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},
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CompFilter: caldav.CompFilter{
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Name: "VCALENDAR",
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Comps: []caldav.CompFilter{{
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Name: "VEVENT",
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Props: []caldav.PropFilter{{
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Name: "UID",
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TextMatch: &caldav.TextMatch{Text: uid},
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}},
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}},
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},
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}
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events, err := c.QueryCalendar(calendar.Path, &query)
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if err != nil {
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return fmt.Errorf("failed to query calendar: %v", err)
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}
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if len(events) != 1 {
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return fmt.Errorf("expected exactly one calendar object with UID %q, got %v", uid, len(events))
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}
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event := &events[0]
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return ctx.Render(http.StatusOK, "event.html", &EventRenderData{
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BaseRenderData: *alps.NewBaseRenderData(ctx),
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Calendar: calendar,
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Event: event,
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})
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})
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}
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