From 67435ad478eb1d9c17272b01d9f0d727d6955d89 Mon Sep 17 00:00:00 2001
From: Vincenzo-Petrolo <vincenzo.petrolo99@gmail.com>
Date: Sat, 29 Aug 2020 17:04:30 +0200
Subject: [PATCH] Add Solar Panels module

---
 bar-functions/dwm_solar_panel.sh | 58 ++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100755 bar-functions/dwm_solar_panel.sh

diff --git a/bar-functions/dwm_solar_panel.sh b/bar-functions/dwm_solar_panel.sh
new file mode 100755
index 0000000..ba251b8
--- /dev/null
+++ b/bar-functions/dwm_solar_panel.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+# This module can get data from a SMA Inverter.
+# Its purpose is to show you how much Watts are being produced
+# To make it work change the INVERTER_IP variable and your User password
+# Vincenzo Petrolo <vincenzo.petrolo99@gmail.com>
+# For infos on how i made it, and help or bugs, you cant contact me or
+# open an issue
+# GNU GPLv3
+
+# P.s: Be careful when trying to modify urls, as they contains special
+# characters that may change the behaviour of the query
+
+dwm_solar_panel () {
+
+	INVERTER_IP="INVERTER IP HERE"
+	PASSWORD="USER GROUP PASSWORD HERE"
+
+
+	if [[ -f ~/.cache/solar_panel.cache ]];
+	then
+		read SID < ~/.cache/solar_panel.cache
+		if [ "$SID" == "null" ];
+		then
+			#Getting session id
+			SID=`curl -s --location --request POST "http://$INVERTER_IP/dyn/login.json" \
+				--header 'Content-Type: text/plain' \
+				--data-raw "{"right":"usr","pass":"$PASSWORD"}" | jq .result.sid`
+			SID=${SID//\"}
+		fi
+		#checks if it got a session token
+		if [ "$SID" != "" ];
+		then
+			echo $SID > ~/.cache/solar_panel.cache
+			WATTS=$(curl -s --location --request POST "http://$INVERTER_IP/dyn/getValues.json?sid=$SID" \
+				--header 'Content-Type: text/plain' \
+			--data-raw '{"destDev":[],"keys":["6100_00543100","6800_008AA200","6100_40263F00","6800_00832A00","6180_08214800","6180_08414900","6180_08522F00","6400_00543A00","6400_00260100","6800_08811F00","6400_00462E00"]}' | jq '.result."0156-76BC3EC6"."6100_40263F00"."1"[0].val')
+
+			if [ "$WATTS" == "" ];
+			then
+				echo "null" > ~/.cache/solar_panel.cache
+			else
+				if [ "$WATTS" == "null" ];
+				then
+					$WATTS=0
+				fi
+				WATTC=`bc <<< "scale=3; $WATTS / 1000"`
+				printf  "%s💡 $WATTC W %s" "$SEP1" "$SEP2"
+			fi
+		fi
+	else
+		touch ~/.cache/solar_panel.cache
+
+		echo "null" > ~/.cache/solar_panel.cache
+	fi
+
+}
+dwm_solar_panel
+