# HG changeset patch
# User Gernot Schulz <gernot@intevation.de>
# Date 1445004993 -7200
# Node ID 70d50b6312e2e3e76ec4127f48a187cebd36749a

Initial commit of dashboardctl

diff -r 000000000000 -r 70d50b6312e2 contrib/dashboardctl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contrib/dashboardctl	Fri Oct 16 16:16:33 2015 +0200
@@ -0,0 +1,114 @@
+#!/usr/bin/env sh
+
+export DISPLAY=":0.0"
+
+OLDDB=/home/pi/incoming_dbs/tech_intern.db
+NEWDB=/home/pi/incoming_dbs/tech_intern.db.new
+
+usage () {
+cat << EOF
+Usage: $0 [COMMAND]
+
+Commands:
+  --restart-bd       Restart Bottledash
+  --reload-browser   Reload dashboard/browser
+  --reload           Restart Bottledash and reload the dashboard/browser
+  --check-db         Check if a new DB is available
+  --smart-reload     If a new DB is available, restart Bottledash and reload
+                     the dashboard/browser
+  -h, --help         This help
+EOF
+}
+
+start_bottledash () {
+        # taken from start-bottledash-hohup
+        nohup python3 /home/pi/bottledash/dash.py 2>&1 > $HOME/bottledash.log &
+        echo $! > $HOME/pid_bottledash
+}
+
+stop_bottledash () {
+        kill $(cat $HOME/pid_bottledash)
+}
+
+start_chromium () {
+        # taken from show-dashboard
+        rm -R $HOME/.cache/chromium/Default/Cache/
+	DISPLAY=:0.0 nohup chromium --new --noerrdialogs --kiosk \
+		http://localhost:8080 2>&1 > $HOME/show-dashboard.log &
+        echo $! > $HOME/pid_chromium
+}
+
+
+stop_chromium () {
+        kill $(cat pid_chromium)
+}
+
+xdo_reload_chromium () {
+	# Start Chromium if necessary
+	if [ -f "$HOME/pid_bottledash" ] && [ -d /proc/$(cat "$HOME/pid_chromium") ]; then
+		# Send F5 to Chromium
+		WID=$(xdotool search --onlyvisible --class chromium | head -1)
+		xdotool windowactivate ${WID}
+		xdotool key F5
+	else
+		start_chromium
+	fi	
+}
+
+check_new_db () {
+        if [ ! -f "$NEWDB"  ]; then
+                echo 0 ; return
+        fi
+        OLDSIZE=$(md5sum $OLDDB | awk '{print $1}')
+        NEWSIZE=$(md5sum $NEWDB | awk '{print $1}')
+        if [ "$OLDSIZE" != "$NEWSIZE" ]; then
+                echo 1
+        else
+                echo 0
+        fi
+}
+
+update_db () {
+        if [ $(check_new_db) -eq 1 ]; then
+                mv "$NEWDB" "$OLDDB"
+        fi
+}
+
+case $1 in
+        '--restart-bd')
+                stop_bottledash
+                start_bottledash
+                ;;
+        '--reload-browser')
+                xdo_reload_chromium
+                ;;
+        '--reload')
+                stop_bottledash
+                start_bottledash
+                sleep 10
+                xdo_reload_chromium
+                ;;
+        '--check-db')
+                check_new_db
+                ;;
+        '--smart-reload')
+                if [ $(check_new_db) -eq 1 ]; then
+                        update_db
+                        stop_bottledash
+                        start_bottledash
+                        sleep 10
+                        xdo_reload_chromium
+                fi
+                ;;
+        '-h'|'--help')
+                usage
+                exit 0
+                ;;
+        *)
+                echo "ERROR: unknown command: $1" >&2
+                usage
+                exit 2
+                ;;
+esac
+
+# vim: set ft=sh :