splitting hooks and using snapctl instead of local settings file

Signed-off-by: Ondrej Kubik <ondrej.kubik@canonical.com>

snap-src/bin/wekan-read-settings

@@ -3,34 +3,18 @@
 # read wekan config
 source $SNAP/bin/config
 
-# TODO: uncomment following, once snapctl can be called from outside the hooks
-# for key in ${keys[@]}
-# do
-#   # snappy is picky about key syntax, using mapping
-#   MAP_KEY="KEY_$key"
-#   SNAPPY_KEY=
-#   if value=$(snapctl get ${!MAP_KEY}); then
-#       echo "$key='$value'"
-#       export $key=$value
-#   else
-#       # use default value
-#       default_value="DEFAULT_$key"
-#       echo "using default value: $key='${!default_value}'"
-#       export $key=${!default_value}
-#   fi
-# done
 
-# TODO: get rid of this workaround once above can be used
-# loop through all values, and if not defined, use default value
 for key in ${keys[@]}
 do
-  if [ "x" ==  "x${!key}" ]; then
-      # use default value
-      default_value="DEFAULT_$key"
-      echo "using default value: $key='${!default_value}'"
-      export $key=${!default_value}
-      # echo "export $key='${!def_value}'" >> $SETTINGS_FILE
-  else
-      echo "$key='${!key}'"
-  fi
+    default_value="DEFAULT_$key"
+    description="DESCRIPTION_$key"
+    snappy_key="KEY_$key"
+    value=$(snapctl get ${!snappy_key})
+    if [ "x$value" == "x" ]; then
+        echo -e "$key=${!default_value} (default value)"
+        export $key=${!default_value}
+    else
+        echo -e "$key=$value"
+        export $key=$value
+    fi
 done