From c82447cf7aa49b0d39e6c06c2637ffcf5b74a8e5 Mon Sep 17 00:00:00 2001
From: Philipp Matthias Schaefer <philipp.matthias.schaefer@posteo.de>
Date: Sat, 16 May 2020 22:23:22 +0200
Subject: [PATCH] Initial commit

---
 email_text             | 19 +++++++++++++++++++
 invite.sh              | 29 +++++++++++++++++++++++++++++
 plenums_invite.service |  6 ++++++
 plenums_invite.timer   |  8 ++++++++
 4 files changed, 62 insertions(+)
 create mode 100644 email_text
 create mode 100755 invite.sh
 create mode 100644 plenums_invite.service
 create mode 100644 plenums_invite.timer

diff --git a/email_text b/email_text
new file mode 100644
index 0000000..4656a6b
--- /dev/null
+++ b/email_text
@@ -0,0 +1,19 @@
+Hallo,
+
+am PROSEDATE findet wieder ein Plenum statt. Wir treffen uns um 20 Uhr im virtuellen Raum unter
+
+https://blue.kabi.tk/b/hac-nuf-fp4
+
+Das Protokoll wird unter
+
+https://vereinte.verwirrung.institute/p/ksplenum-URLDATE
+
+geführt werden. Dieses muss noch auf Basis der Vorlage
+
+https://vereinte.verwirrung.institute/p/ksplenum-template
+
+vorbereitet werden (Anleitung dort zu finden).
+
+Grüße,
+
+das Einladeskript
diff --git a/invite.sh b/invite.sh
new file mode 100755
index 0000000..6f1ff8d
--- /dev/null
+++ b/invite.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/bash
+
+## Configuration
+
+from="office@krautspace.de"
+to="hackspace-jena@lstsrv.org"
+subject="Einladung zum Plenum"
+body_file=email_text # Use PROSEDATE for dd.mm.YYYY and URLDATE for YYYmmdd
+
+## Find next Thursday
+
+day_of_week=$(date +%u)
+
+next_thursday_offset=$(( ( ( 7 - $day_of_week ) + 4 ) % 7 ))
+
+## Check if next Thursday is the first of a month
+
+if (( $(date +%d) > 7 )); then
+    echo "Invitation should be sent at most a week in advance."
+    echo "Exiting without sending an inviation..."
+    exit
+fi
+
+## Send inviation
+
+prose_date=$(date -d "+$next_thursday_offset days" +%d.%m.%Y)
+url_date=$(date -d "+$next_thursday_offset days" +%Y%m%d)
+
+cat "$body_file" | sed -e "s/PROSEDATE/$prose_date/g" | sed -e "s/URLDATE/$url_date/g" | mail -s "$subject" -r "$from" "$to"
diff --git a/plenums_invite.service b/plenums_invite.service
new file mode 100644
index 0000000..9d2d5d4
--- /dev/null
+++ b/plenums_invite.service
@@ -0,0 +1,6 @@
+[Unit]
+Description=Send invitation to Hackspace's Plenum
+
+[Service]
+Type=oneshot
+ExecStart=/opt/plenums_invite/invite.sh
diff --git a/plenums_invite.timer b/plenums_invite.timer
new file mode 100644
index 0000000..319509b
--- /dev/null
+++ b/plenums_invite.timer
@@ -0,0 +1,8 @@
+[Unit]
+Description=Monthly invite to Hackspace's Plenum
+
+[Timer]
+OnCalendar=Mon 15:00
+
+[Install]
+WantedBy=timers.target