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Merge remote-tracking branch 'upstream/master'
[etc/awesome.git] / widgets / weather.lua
diff --git a/widgets/weather.lua b/widgets/weather.lua
index 8a0d75150c372592360050650554a7f569080635..b074cff41d555701281be65ec79568525d73ae01 100644 (file)
--- a/widgets/weather.lua
+++ b/widgets/weather.lua
@@ -16,11 +16,15 @@ local lain_icons   = require("lain.helpers").icons_dir
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
-local math         = { floor  = math.floor }
-local mouse        = mouse
-local string       = { format = string.format,
-                       gsub   = string.gsub }
+local math         = { floor    = math.floor }
+local os           = { time     = os.time,
+                       date     = os.date,
+                       difftime = os.difftime }
+local string       = { format   = string.format,
+                       gsub     = string.gsub }
 
 
+local mouse        = mouse
+local tonumber     = tonumber
 local setmetatable = setmetatable
 
 -- OpenWeatherMap
 local setmetatable = setmetatable
 
 -- OpenWeatherMap
@@ -28,24 +32,40 @@ local setmetatable = setmetatable
 -- lain.widgets.weather
 
 local function worker(args)
 -- lain.widgets.weather
 
 local function worker(args)
-    local weather             = {}
-    local args                = args or {}
-    local timeout             = args.timeout or 900   -- 15 min
-    local timeout_forecast    = args.timeout or 86400 -- 24 hrs
-    local current_call        = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s'"
-    local forecast_call       = "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s'"
-    local city_id             = args.city_id or 0 -- placeholder
-    local units               = args.units or "metric"
-    local lang                = args.lang or "en"
-    local cnt                 = args.cnt or 7
-    local date_cmd            = args.date_cmd or "date -u -d @%d +'%%a %%d'"
-    local icons_path          = args.icons_path or lain_icons .. "openweathermap/"
-    local notification_preset = args.notification_preset or {}
-    local followmouse         = args.followmouse or false
-    local settings            = args.settings or function() end
-
-    weather.widget = wibox.widget.textbox('')
-    weather.icon   = wibox.widget.imagebox()
+    local weather               = {}
+    local args                  = args or {}
+    local APPID                 = args.APPID or "3e321f9414eaedbfab34983bda77a66e" -- lain default
+    local timeout               = args.timeout or 900   -- 15 min
+    local timeout_forecast      = args.timeout or 86400 -- 24 hrs
+    local current_call          = args.current_call  or "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s&APPID=%s'"
+    local forecast_call         = args.forecast_call or "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s&APPID=%s'"
+    local city_id               = args.city_id or 0 -- placeholder
+    local utc_offset            = args.utc_offset or
+                                  function ()
+                                      local now = os.time()
+                                      return os.difftime(now, os.time(os.date("!*t", now))) + (os.date("*t").isdst and 3600)
+                                  end
+    local units                 = args.units or "metric"
+    local lang                  = args.lang or "en"
+    local cnt                   = args.cnt or 5
+    local date_cmd              = args.date_cmd or "date -u -d @%d +'%%a %%d'"
+    local icons_path            = args.icons_path or lain_icons .. "openweathermap/"
+    local notification_preset   = args.notification_preset or {}
+    local notification_text_fun = args.notification_text_fun or
+                                  function (wn)
+                                      local day = string.gsub(read_pipe(string.format(date_cmd, wn["dt"])), "\n", "")
+                                      local tmin = math.floor(wn["temp"]["min"])
+                                      local tmax = math.floor(wn["temp"]["max"])
+                                      local desc = wn["weather"][1]["description"]
+                                      return string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
+                                  end
+    local weather_na_markup     = args.weather_na_markup or " N/A "
+    local followmouse           = args.followmouse or false
+    local settings              = args.settings or function() end
+
+    weather.widget    = wibox.widget.textbox(weather_na_markup)
+    weather.icon_path = icons_path .. "na.png"
+    weather.icon      = wibox.widget.imagebox(weather.icon_path)
 
     function weather.show(t_out)
         weather.hide()
 
     function weather.show(t_out)
         weather.hide()
@@ -54,6 +74,10 @@ local function worker(args)
             notification_preset.screen = mouse.screen
         end
 
             notification_preset.screen = mouse.screen
         end
 
+        if not weather.notification_text then
+            weather.forecast_update()
+        end
+
         weather.notification = naughty.notify({
             text    = weather.notification_text,
             icon    = weather.icon_path,
         weather.notification = naughty.notify({
             text    = weather.notification_text,
             icon    = weather.icon_path,
@@ -63,7 +87,7 @@ local function worker(args)
     end
 
     function weather.hide()
     end
 
     function weather.hide()
-        if weather.notification ~= nil then
+        if weather.notification then
             naughty.destroy(weather.notification)
             weather.notification = nil
         end
             naughty.destroy(weather.notification)
             weather.notification = nil
         end
@@ -79,54 +103,73 @@ local function worker(args)
     end
 
     function weather.forecast_update()
     end
 
     function weather.forecast_update()
-        local cmd = string.format(forecast_call, city_id, units, lang, cnt)
+        local cmd = string.format(forecast_call, city_id, units, lang, cnt, APPID)
         async.request(cmd, function(f)
         async.request(cmd, function(f)
+            local pos, err
             weather_now, pos, err = json.decode(f, 1, nil)
 
             weather_now, pos, err = json.decode(f, 1, nil)
 
-            if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
+            if not err and weather_now and tonumber(weather_now["cod"]) == 200 then
                 weather.notification_text = ''
                 for i = 1, weather_now["cnt"] do
                 weather.notification_text = ''
                 for i = 1, weather_now["cnt"] do
-                    day = string.gsub(read_pipe(string.format(date_cmd, weather_now["list"][i]["dt"])), "\n", "")
-
-                    tmin = math.floor(weather_now["list"][i]["temp"]["min"])
-                    tmax = math.floor(weather_now["list"][i]["temp"]["max"])
-                    desc = weather_now["list"][i]["weather"][1]["description"]
-
                     weather.notification_text = weather.notification_text ..
                     weather.notification_text = weather.notification_text ..
-                                                string.format("<b>%s</b>: %s, %d - %d  ", day, desc, tmin, tmax)
+                                                notification_text_fun(weather_now["list"][i])
 
                     if i < weather_now["cnt"] then
                         weather.notification_text = weather.notification_text .. "\n"
                     end
                 end
 
                     if i < weather_now["cnt"] then
                         weather.notification_text = weather.notification_text .. "\n"
                     end
                 end
-            else
-                weather.icon_path = icons_path .. "na.png"
-                weather.notification_text = "API/connection error or bad/not set city ID"
             end
         end)
     end
 
     function weather.update()
             end
         end)
     end
 
     function weather.update()
-        local cmd = string.format(current_call, city_id, units, lang)
+        local cmd = string.format(current_call, city_id, units, lang, APPID)
         async.request(cmd, function(f)
         async.request(cmd, function(f)
+            local pos, err, icon
             weather_now, pos, err = json.decode(f, 1, nil)
 
             weather_now, pos, err = json.decode(f, 1, nil)
 
-            if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
-                weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
-                weather.icon:set_image(weather.icon_path)
+            if not err and weather_now and tonumber(weather_now["cod"]) == 200 then
+                -- weather icon based on localtime
+                local now     = os.time()
+                local sunrise = tonumber(weather_now["sys"]["sunrise"])
+                local sunset  = tonumber(weather_now["sys"]["sunset"])
+                local icon    = weather_now["weather"][1]["icon"]
+                local utc_m   = string.gsub(read_pipe(string.format("date -u -d 'today 00:00:00' +'%%s'")), "\n", "")
+                local loc_m   = string.gsub(read_pipe(string.format("date -d 'today 00:00:00' +'%%s'")), "\n", "")
+
+                loc_m  = tonumber(loc_m)
+                utc_m  = tonumber(utc_m)
+                offset = utc_offset()
+
+                -- if we are 1 day after the GMT, return 1 day back, and viceversa
+                if offset > 0 and loc_m >= utc_m then
+                    now = now - 86400
+                elseif offset < 0 and loc_m <= utc_m then
+                    now = now + 86400
+                end
+
+                if sunrise <= now and now <= sunset then
+                    icon = string.gsub(icon, "n", "d")
+                else
+                    icon = string.gsub(icon, "d", "n")
+                end
+
+                weather.icon_path = icons_path .. icon .. ".png"
                 widget = weather.widget
                 settings()
             else
                 widget = weather.widget
                 settings()
             else
-                weather.widget._layout.text = " N/A " -- tries to avoid textbox bugs
-                weather.icon:set_image(icons_path .. "na.png")
+                weather.icon_path = icons_path .. "na.png"
+                weather.widget:set_markup(weather_na_markup)
             end
             end
+
+            weather.icon:set_image(weather.icon_path)
         end)
     end
 
     weather.attach(weather.widget)
 
     newtimer("weather-" .. city_id, timeout, weather.update)
         end)
     end
 
     weather.attach(weather.widget)
 
     newtimer("weather-" .. city_id, timeout, weather.update)
-    newtimer("weather_forecast" .. city_id, timeout, weather.forecast_update)
+    newtimer("weather_forecast-" .. city_id, timeout, weather.forecast_update)
 
     return setmetatable(weather, { __index = weather.widget })
 end
 
     return setmetatable(weather, { __index = weather.widget })
 end
awesome window-manager configuration

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