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pull #201 fixes
[etc/awesome.git] / widgets / weather.lua
index dacdd41c633b1137ceb045e3ae3157d8f16a5634..c8c34f973e5b3ce2e5675f0fc43ec2ce585c147b 100644 (file)
@@ -18,9 +18,11 @@ local wibox        = require("wibox")
 
 local math         = { floor  = math.floor }
 local mouse        = mouse
+local os           = { time   = os.time }
 local string       = { format = string.format,
                        gsub   = string.gsub }
-
+local naughty = require("naughty")
+local tonumber     = tonumber
 local setmetatable = setmetatable
 
 -- OpenWeatherMap
@@ -30,26 +32,35 @@ local setmetatable = setmetatable
 local function worker(args)
     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          = "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 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                   = args.utc or 0
     local units                 = args.units or "metric"
     local lang                  = args.lang or "en"
-    local cnt                   = args.cnt or 7
+    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_cmd = args.notification_text_cmd or
-                                  function (day, desc, tmin, tmax)
-                                      return string.format("<b>%s</b>: %s, %d - %d  ", day, desc, tmin, tmax)
+    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.icon   = wibox.widget.imagebox()
+    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()
@@ -58,6 +69,11 @@ local function worker(args)
             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,
@@ -67,7 +83,7 @@ local function worker(args)
     end
 
     function weather.hide()
-        if weather.notification ~= nil then
+        if weather.notification then
             naughty.destroy(weather.notification)
             weather.notification = nil
         end
@@ -83,49 +99,59 @@ local function worker(args)
     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)
             local pos, err
             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
-                    local day = string.gsub(read_pipe(string.format(date_cmd, weather_now["list"][i]["dt"])), "\n", "")
-
-                    local tmin = math.floor(weather_now["list"][i]["temp"]["min"])
-                    local tmax = math.floor(weather_now["list"][i]["temp"]["max"])
-                    local desc = weather_now["list"][i]["weather"][1]["description"]
-
                     weather.notification_text = weather.notification_text ..
-                                                notification_text_cmd(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
-            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()
-        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)
-            local pos, err
+            local pos, err, icon
             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", "")
+
+                if now > tonumber(utc_m) then
+                    now = now - (utc * 3600)
+                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
-                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
+
+            weather.icon:set_image(weather.icon_path)
         end)
     end