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How do I use this library to list the events in a calendar? #68

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mpenkov opened this issue Apr 18, 2022 · 5 comments
Closed

How do I use this library to list the events in a calendar? #68

mpenkov opened this issue Apr 18, 2022 · 5 comments

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@mpenkov
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mpenkov commented Apr 18, 2022 •
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Hi, I'm trying to list the events in my calendar using your library. I've managed to get as far as the list of calendars, but I can't seem to get to the actual events. Can you please have a look and let me know what I'm doing wrong?

package main

import (
	"fmt"
	"log"
	"net/http"

	gowebdav "github.com/emersion/go-webdav"
	"github.com/emersion/go-webdav/caldav"
)

func main() {
	fmt.Println("hello world!")

	httpClient := &http.Client{}
	authorizedClient := gowebdav.HTTPClientWithBasicAuth(httpClient, "USERNAME", "PASSWORD")  // FIXME

	caldavClient, err := caldav.NewClient(authorizedClient, "https://caldav.fastmail.com/dav/calendars/user/USERNAME")
	if err != nil {
		log.Fatalf("NewClient: %s", err)
	}

	// curl -X PROPFIND -u USERNAME:PASSWORD https://caldav.fastmail.com/dav/principals/user/USERNAME
	homeSet, err := caldavClient.FindCalendarHomeSet("/dav/principals/user/USERNAME")
	if err != nil {
		log.Fatalf("FindCalendarHomeSet: %s", err)
	}

	fmt.Println(homeSet)

	calendars, err := caldavClient.FindCalendars(homeSet)
	if err != nil {
		log.Fatalf("FindCalendars: %s", err)
	}
	for i, calendar := range calendars {
		fmt.Printf("cal %d: %s %s\n", i, calendar.Name, calendar.Path)
	}

	compRequest := caldav.CalendarCompRequest{
		Name: "VEVENT",
		AllProps: true,
		AllComps: true,
	}
	compFilter := caldav.CompFilter{}
	query := caldav.CalendarQuery{CompRequest: compRequest, CompFilter: compFilter}
	objects, err := caldavClient.QueryCalendar(calendars[3].Path, &query)
	if err != nil {
		log.Fatalf("QueryCalendar: %s", err)
	}

	for i, obj := range objects {
		fmt.Printf("%d %s", i, obj.Path)
	}
}

I'm getting this error:

2022/04/18 13:21:01 QueryCalendar: 400 Bad Request: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <title>400 Bad Request</title>
  </head>
  <body>
    <h1>Bad Request</h1>
    <p>The request was not understood by this server.</p>
    <hr>
    <address>Cyrus-HTTP/3.7.0-alpha0-387-g7ea99c4045-fm-20220413.002-g7ea99c40 Cyrus-SASL/2.1.27 Lib/XML2.9.10 Jansson/2.13.1 OpenSSL/1.1.1n Wslay/1.1.1 Zlib/1.2.11 Brotli/1.0.9 Xapian/1.5.0 LibiCal/3.0 ICU4C/69.1 SQLite/3.34.1 Server at caldav.fastmail.com Port 2275</address>
  </body>
</html>
exit status 1

Also, if there are any docs/tutorials on using your library?
@technodrome technodrome mentioned this issue Apr 27, 2022
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@emersion
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Sorry, this issue tracker is for bug reports or feature requests, not questions.

@ptrcnull
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ptrcnull commented Nov 8, 2022

Sorry, this issue tracker is for bug reports or feature requests, not questions.

@emersion i would consider this an issue of insufficient documentation; even after reading the RFCs for both WebDAV and CalDAV, it's unclear how the library handles serialization of CalendarCompRequest and CompFilter

@jtagcat
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jtagcat commented Oct 7, 2023

For anyone else looking, https://github.com/jtagcat/redacted-caldav getCalendar()

@encima
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encima commented Oct 13, 2023

@emersion Working on an OSS library is a huge effort and massive thank you for doing it. Closing issues like this one without providing a place to ask these questions, or linking to a solutin, does indicate that this is an issue (even if that issue is not with your target userbase).
I would suggest allowing Github Discussions for these things or providing a Code of Conduct that explains what Issues are used for.

This was referenced Jul 8, 2024
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@mpenkov
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mpenkov commented Jul 8, 2024

Finally got it working: https://github.com/mpenkov/tools/blob/master/fmc/main.go

Thank you everyone for your help.

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5 participants
@emersion @encima @mpenkov @ptrcnull @jtagcat