Add wetter-bot.sh

wetter-bot.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+set -x
+set -eou pipefail
+
+logdir="$HOME/.logs/wetter"
+mkdir -p $logdir
+log="$logdir/wetter-$(date +%Y-%m-%d_%H:%M).log"
+exec > >(tee -i ${log})  2>&1
+
+# Koordinaten von meinem Zuhause
+lat=""
+long=""
+
+# API-URLs
+base_url="api.open-meteo.com"
+api_url="https://${base_url}/v1/forecast/?latitude=${lat}&longitude=${long}&daily=temperature_2m_max&current=temperature_2m&timezone=Europe%2FBerlin&forecast_days=1"
+
+# Telegram
+telegram_token=""
+CHAT_ID=""
+
+# Error-Handling
+handle_error() {
+   MESSAGE="Fehler!"
+   curl -s -X POST https://api.telegram.org/bot${telegram_token}/sendMessage -d chat_id=${CHAT_ID} -d \
+      text="${MESSAGE}" > /dev/null
+}
+
+trap handle_error ERR
+
+# Teste Verbindung (10 Versuche)
+count=0
+while true; do
+   if ping -c3 -W3 "${base_url}"; then
+      break
+   else
+      if [[ count -ge 10 ]]; then
+         exit 1
+      fi
+      count=$((count + 1))
+      sleep 5
+   fi
+done
+
+# Hole Temperaturen für heute (10 Versuche)
+count=0
+while true; do
+   if curl --connect-timeout 3 "${api_url}" | jq . > /tmp/todays-forecast.json; then
+      break
+   else
+      if [[ count -ge 10 ]]; then
+         exit 1
+      fi
+      count=$((count + 1))
+      sleep 5
+   fi
+done
+
+max_temp=$(cat /tmp/todays-forecast.json | jq '.daily.temperature_2m_max.[]')
+current_temp=$(cat /tmp/todays-forecast.json | jq '.current.temperature_2m')
+
+# Sende Nachricht (Linebreak = %0A)
+MESSAGE="Heute werden es höchsten ${max_temp} °C, aktuell sind es ${current_temp} °C."
+curl -s -X POST https://api.telegram.org/bot${telegram_token}/sendMessage -d chat_id=${CHAT_ID} -d \
+   text="${MESSAGE}" > /dev/null