Localized name of the day in the week

Author: marcinczeczko

Community/OpenWeatherMap/automation/jsr223/python/community/openweathermap/owm_daily_forecast.py

@@ -79,6 +79,7 @@
 Change Log
 ==========
 
+* 23/11/20: Added support for day of the week in the current local language
 * 01/11/19: Corrected an issue where the Items were not linking.
 * 01/12/19: Removed Forecast_Temperature_X, and added
   Forecast_Temperature_High_X and Forecast_Temperature_Low_X
@@ -105,7 +106,9 @@
 * -6/14/20: Only check for SCALE transformation service if using Linux OS
 * 06/14/20: Using System properties for HTTP/HTTPS ports, rather than hard coded 8080/8443
 """
+from __future__ import unicode_literals
 from core.log import logging, LOG_PREFIX, log_traceback
+from core.actions import Transformation
 
 
 @log_traceback
@@ -128,6 +131,32 @@ def remove_owm_items():
 
 #remove_owm_items()
 
+@log_traceback
+def current_lang():
+    """
+    Determines the current language of the openhab. 
+    You need to assure you have setup JAVA_OPTS in the start.sh to your preferred language and country, e.g.
+    EXTRA_JAVA_OPTS="-Duser.language=pl -Duser.country=PL"
+    """
+    default_locale = locale.getdefaultlocale()[0]
+    if default_locale:
+        return default_locale if "_" not in default_locale else default_locale.split("_")[0]
+    return "en"
+
+@log_traceback
+def map_day_of_week(index, last_reading):
+    """
+    Method calculates the day index and maps into the day of the week for the current language
+
+    Args:
+       index: Forecast group id
+       last_reading: Forecast group id of the last reading
+
+    Returns:
+        str: A name of the day in the week for current language
+    """
+    day_week_idx = "TODAY" if index == 1 else str((last_reading + index - 1) % 7)
+    return Transformation.transform("MAP", "weather-{}.map".format(current_lang()), day_week_idx) or u"UNKNOWN"
 
 def add_owm_items():
     add_owm_items.log = logging.getLogger("{}.add_owm_items".format(LOG_PREFIX))
@@ -266,11 +295,10 @@ def add_owm_items():
                 add_link("Current_SnowVolume", ChannelUID(owm_thing_uid + ":current#snow"))
 
             # create Forecast groups
-            import calendar
             from org.joda.time import DateTime
             last_reading = DateTime(str(items["Current_Timestamp"])).getDayOfWeek() - 1
             for index in range(1, 6):
-                day_of_the_week = "Today" if index == 1 else calendar.day_name[(last_reading + index - 1) % 7]
+                day_of_the_week = map_day_of_week(index, last_reading)
                 if itemRegistry.getItems("gForecast_" + str(index)) == []:
                     add_item("gForecast_" + str(index), item_type="Group", groups=["gOpenWeatherMap"], label=day_of_the_week, tags=["OpenWeatherMap"])
                 if itemRegistry.getItems("gForecast_Timestamp_" + str(index)) == []:
@@ -392,10 +420,9 @@ def add_owm_items_to_groups(event):
 
                 # update group labels to reflect week day
                 from org.joda.time import DateTime
-                import calendar
                 last_reading = DateTime(str(items["Current_Timestamp"])).getDayOfWeek() - 1
                 for index in range(1, 6):
-                    day_of_the_week = "Today" if index == 1 else calendar.day_name[(last_reading + index - 1) % 7]
+                    day_of_the_week = map_day_of_week(index, last_reading)
                     itemRegistry.getItem("gForecast_" + str(index)).setLabel(day_of_the_week)
                     itemRegistry.getItem("gForecast_Timestamp_" + str(index)).setLabel(day_of_the_week + ": Timestamp")
                     itemRegistry.getItem("gForecast_Condition_" + str(index)).setLabel(day_of_the_week + ": Condition [%s]")

Community/OpenWeatherMap/transform/weather-de.map

@@ -0,0 +1,8 @@
+0=Montag
+1=Dienstag
+2=Dienstag
+3=Donnerstag
+4=Freitag
+5=Samstag
+6=Sonntag
+TODAY=Heute

Community/OpenWeatherMap/transform/weather-en.map

@@ -0,0 +1,8 @@
+0=Poniedziałek
+1=Wtorek
+2=Środa
+3=Czwartek
+4=Piątek
+5=Sobota
+6=Niedziela
+TODAY=Dzisiaj

Community/OpenWeatherMap/transform/weather-pl.map

@@ -0,0 +1,8 @@
+0=Poniedziałek
+1=Wtorek
+2=Śaroda
+3=Czwartek
+4=Piątek
+5=Sobota
+6=Niedziela
+TODAY=Dzisiaj