[FIX] hw_posbox_homepage: Fix IoT auto-upgrade

If we start a self flash and we refresh the page
we are able to start again the upgrade.

So now we check if a upgrade is not already started

closes odoo/odoo#48330

X-original-commit: 7189111
Signed-off-by: pimodoo <pimodoo@users.noreply.github.com>

addons/hw_posbox_homepage/controllers/main.py

@@ -318,7 +318,7 @@ def check_version(self):
     def perform_flashing_create_partition(self):
         try:
             response = subprocess.check_output(['sudo', 'bash', '-c', '. /home/pi/odoo/addons/point_of_sale/tools/posbox/configuration/upgrade.sh; create_partition']).decode().split('\n')[-2]
-            if response == 'Error_Card_Size':
+            if response in ['Error_Card_Size', 'Error_Upgrade_Already_Started']:
                 raise Exception(response)
             return Response('success', status=200)
         except subprocess.CalledProcessError as e:

addons/hw_posbox_homepage/views/upgrade_page.html

@@ -3,7 +3,7 @@
 {% block head %}
     <script type="text/javascript" src="/web/static/lib/jquery/jquery.js"></script>
     <script>
-        $(async function() {
+        $(function() {
             var updating = false;
             $('#upgrade').click(function() {
                 if (!updating) {

addons/point_of_sale/tools/posbox/configuration/upgrade.sh

@@ -7,6 +7,14 @@ file_exists () {
 create_partition () {
     mount -o remount,rw /
 
+    if  [ -f start_upgrade ]
+    then
+        echo "Error_Upgrade_Already_Started"
+        exit 0
+    fi
+
+    touch start_upgrade
+
     echo "Fdisking"
 
     PARTITION=$(lsblk | awk 'NR==2 {print $1}')
@@ -15,6 +23,7 @@ create_partition () {
 
     if [ "${SECTORS_SIZE}" -lt 15583488 ] # self-flash not permited if SD size < 16gb
     then
+        rm start_upgrade
         echo "Error_Card_Size"
         exit 0
     fi
@@ -52,7 +61,7 @@ create_partition () {
 }
 
 download_raspbian () {
-    if ! file_exists *raspbian*.img ; then
+    if  [ ! -f *raspbian*.img ] ; then
         # download latest Raspbian image and check integrity
         LATEST_RASPBIAN=$(curl -LIsw %{url_effective} http://downloads.raspberrypi.org/raspbian_lite_latest | tail -n 1)
         wget -c "${LATEST_RASPBIAN}"
@@ -66,6 +75,7 @@ download_raspbian () {
             # Clean raspbian img
             rm "${RASPBIAN}" "${RASPBIAN}".sha256
 
+            rm start_upgrade
             echo "Error_Raspbian_Download"
             exit 0
         fi
@@ -119,6 +129,7 @@ copy_raspbian () {
     if [ "${CHECK}" != "iotbox-latest.zip: OK" ]
     then
         # Checksum is not correct so clean and reset self-flashing
+        rm start_upgrade
         echo "Error_Iotbox_Download"
         exit 0
     fi