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A small program to fetch Celcat calendar and save it to an ics or png file for the CYtech university

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Obito1903/CY-celcat

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CYtech Celcat V2.0

Build

Dependencies

  • golang
    • github.com/arran4/golang-ical
    • github.com/gorilla/mux
  • Chromium (For PNG output only)
go get github.com/arran4/golang-ical
go get github.com/gorilla/mux

Build project

go build ./cmd/cy-celcat/main.go

Usage

Configuration

rename example.config.json into config.json then edit it to match your situation.

Options avalaible :

JSON field CLI Option Type Desc
userName user string Username for celcat.
userPassword pass string Password for celcat.
celcatHost host string The host of the celcat instance.
continuous loop bool Run in continuous mode. Will query the calendar periodicly according to the period defined in the config.
queryDelay delay int Time in seconds between each query in daemon mode. Default : 1800
chromePath chromePath string Path to the chrome executable. Default : /usr/bin/chromium
png png bool Enable PNG output (Require Chromium on your computer). Default : false
pngPath pngOut string Output directory for the PNG output. Default : out/calendar/png/
pngWidth width int Width of the PNG output. Default : 1920
pngHeigh height int Height of the PNG output. Default : 1080
html html bool Enable HTML output. Default : false
htmlTemplate template string The template used to render the html page. Default : web/templates/calendar.go.html
htmlPath htmlOut string Output directory for the HTML output. Default : out/calendar/html/
ics ics bool Enable ICS output. Default : true
icsPath icsOut string Output directory for the ICS output. Default : out/calendar/ics/
web web bool Enable the web server. Default : false
webPort port string Web listen Port. Default : 8080

Add calendars to query from

To track new calendar you need to add them the group they belong to to the config file like so :

{
  //...
  "groupes": [
    {
      "name": "Groupe1", // Name of the first calendar/group
      "id": "22014815" // Id of the calendar/group
    },
    //...
  ]
}

Execution

Just output ICS :

go run ./cmd/cy-celcat/main.go -user=Someuser -pass=Pass

ICS+HTML+PNG in continous mode served with a web server

go run ./cmd/cy-celcat/main.go -html=1 -png=1 -web=1 -loop=1

Docker

Build image :

docker build -t cy-celcat .

Execute :

docker run -p 8080:8080 -v $(pwd)/config.json:/cycelcat/config.json ghcr.io/obito1903/cy-celcat:master

Web Server

The web server will serve fill following that hierarchy:

  • /
    • *.ics // Ics file
    • *.png // screenshot of the html page
    • * // Html calendar of the current week

Where * is the name if each of the calendars specified in the config