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Add support for multi-event calendar files

My local utility provider publishes .ICS files with events like garbage containers being emptied:
https://portal-api.kredslob.dk/api/calendar/icsfeed/07513454__29_______/18340

I would like to import that into the Proton Calendar, but I am getting a message that multi-event ICS files are not supported. Would you be able to implement this feature?

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Henrik Clausen shared this idea  ·   ·  Report…  ·  Admin →
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  • Murloc commented  ·   ·  Report

    Hi there

    i have used this ical file and it worked with multi events:

    BEGIN:VCALENDAR
    VERSION:2.0
    PRODID:-//test v0.1//test customICALWriter//EN
    CALSCALE:GREGORIAN
    METHOD:PUBLISH
    BEGIN:VEVENT
    DTSTART:20260303T030000Z
    DTEND:20260303T220000Z
    DTSTAMP:20260302T230000Z
    UID:c3d871cf-d2a3-4f76-806d-d961a75f6416
    CREATED:20260302T230000Z
    DESCRIPTION:C1
    LAST-MODIFIED:20260302T230000Z
    SEQUENCE:0
    STATUS:CONFIRMED
    SUMMARY:C1
    TRANSP:OPAQUE
    END:VEVENT
    BEGIN:VEVENT
    DTSTART:20260405T020000Z
    DTEND:20260405T210000Z
    DTSTAMP:20260404T220000Z
    UID:9fe072fe-fa96-4a27-820c-e6f27238e0f8
    CREATED:20260404T220000Z
    DESCRIPTION:C2
    LAST-MODIFIED:20260404T220000Z
    SEQUENCE:1
    STATUS:CONFIRMED
    SUMMARY:C2
    TRANSP:OPAQUE
    END:VEVENT
    BEGIN:VEVENT
    DTSTART:20260506T020000Z
    DTEND:20260506T210000Z
    DTSTAMP:20260505T220000Z
    UID:e4923616-659f-4318-8c7e-acc80712efc3
    CREATED:20260505T220000Z
    DESCRIPTION:FE
    LAST-MODIFIED:20260505T220000Z
    SEQUENCE:2
    STATUS:CONFIRMED
    SUMMARY:FE
    TRANSP:OPAQUE
    END:VEVENT
    END:VCALENDAR

    in case you need to change some date info with powershell, here are some code examples, how you can change,replace,set stuff:

    $icsDateFormat = "yyyyMMddTHHmmssZ"
    (get-date(get-date($date.name)).ToUniversalTime() -Format $icsDateFormat)
    (get-date(get-date($date.name)).AddHours(4).ToUniversalTime() -Format $icsDateFormat)
    (get-date(get-date($date.name)).AddHours(23).ToUniversalTime() -Format $icsDateFormat)

    $templ_eventinf = @"

    BEGIN:VEVENT
    DTSTART:<START>
    DTEND:<ENDE>
    DTSTAMP:<JETZT>
    UID:<UUID>
    CREATED:<JETZT>
    DESCRIPTION:<DESC>
    LAST-MODIFIED:<JETZT>
    SEQUENCE:<SEQNR>
    STATUS:CONFIRMED
    SUMMARY:<SCHICHT>
    TRANSP:OPAQUE
    END:VEVENT
    "@

    $eventmidblock += $templ_eventinf.Replace("<START>",$Startzeit).Replace("<ENDE>",$Endzeit).Replace("<SCHICHT>",$titel).Replace("<JETZT>",$Jetzt).Replace("<SEQNR>",$seq).REPLACE("<UUID>",($([guid]::NewGuid()))).Replace("<DESC>",$beschreibung)

    $icstxt = $templ_eventheader + $eventmidblock + $templ_eventend

    #Save ICS
    $icstxt | out-file $icspath

    #normalize ICS
    Start-Sleep -Seconds 2
    $path = "C:\Temp\icstest.ics"
    $content = (Get-Content $path) -join "`r`n"
    [System.IO.File]::WriteAllText($path, $content + "`r`n", (New-Object System.Text.UTF8Encoding($false)))

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