From e2d2ca4afdf74fa1eaee7bad38e1e63f69c6e5ce Mon Sep 17 00:00:00 2001
From: Reto Bollinger <bolliret@MBP-von-Reto-2.localdomain>
Date: Sat, 16 Nov 2024 12:27:36 +0100
Subject: [PATCH] Creating a script that reads out dates from public ICS and
 converts it into md table.

---
 lektor/lektordata/scripts/calendar-fetcher.sh | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100755 lektor/lektordata/scripts/calendar-fetcher.sh

diff --git a/lektor/lektordata/scripts/calendar-fetcher.sh b/lektor/lektordata/scripts/calendar-fetcher.sh
new file mode 100755
index 0000000..399e645
--- /dev/null
+++ b/lektor/lektordata/scripts/calendar-fetcher.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+ICS_URL="$1"
+
+if [ -z "$ICS_URL" ]; then
+  echo "Usage: $0 <ICS_URL>"
+  exit 1
+fi
+
+ICS_DATA=$(curl -s "$ICS_URL")
+
+echo "| Datum | Anlass | Zeit | Ort |"
+echo "|-------|--------|------|-----|"
+
+#original statement:
+#awk 'BEGIN{FS=":"}/^DTSTART/{dtstart=$2}/^SUMMARY/{summary=$2}/^END:VEVENT/{print substr(dtstart,7,2)"/"substr(dtstart,5,2)"/"substr(dtstart,1,4),sprintf("%02d",substr(dtstart,10,2)+3)":"substr(dtstart,12,2),summary}' file.txt
+#from here: https://stackoverflow.com/questions/74111401/parse-ics-and-create-output
+
+echo "$ICS_DATA" | awk 'BEGIN{FS=":"}
+/^DTSTART/{dtstart=$2}
+/^SUMMARY/{summary=$2}
+/^LOCATION/{location=$2}
+/^END:VEVENT/{
+  gsub(/\r/, "", summary)
+  gsub(/\r/, "", location)
+  if (dtstart == "") dtstart = "Kein Datum"
+  if (summary == "") summary = "Kein Titel"
+  if (location == "") location = "Kein Ort"
+
+  date_str = substr(dtstart, 1, 4) "-" substr(dtstart, 5, 2) "-" substr(dtstart, 7, 2)
+  cmd = "LC_TIME=de_DE.UTF-8 date -j -f \"%Y-%m-%d\" \"" date_str "\" +%a"
+  cmd | getline weekday
+  close(cmd)
+
+  orderstartdate=sprintf("%s", substr(dtstart,1,8))
+  realstartdate=sprintf("%s. %s. %s. %s", weekday, substr(dtstart,7,2), substr(dtstart,5,2), substr(dtstart,1,4))
+  starttime=sprintf("%02d:%02d", substr(dtstart,10,2), substr(dtstart,12,2))
+  summarystring=sprintf("%s", summary)
+  locationstring=sprintf("%s", location)
+  wholeline=sprintf("%s | %s | %s | %s | %s |", orderstartdate, realstartdate, starttime, summarystring, location)
+  gsub(/\| 00:00 \|/, "| |", wholeline)
+  print wholeline
+}' | sort | awk '{$1=""}1' | awk '{$1=$1}1'