]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/weather.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

Fix for #177
[etc/awesome.git] / widgets / weather.lua
index 7223c29697213f5142b6e7c22c2584c793ea2c6f..173601a5593178b5ef237bd01ce2b68ce1afd197 100644 (file)
@@ -7,13 +7,17 @@
 --]]
 
 local newtimer     = require("lain.helpers").newtimer
+local read_pipe    = require("lain.helpers").read_pipe
+
 local async        = require("lain.asyncshell")
 local json         = require("lain.util").dkjson
 local lain_icons   = require("lain.helpers").icons_dir
+
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 local math         = { floor  = math.floor }
+local mouse        = mouse
 local string       = { format = string.format,
                        gsub   = string.gsub }
 
@@ -26,29 +30,43 @@ 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 city_id               = args.city_id
+    local current_call          = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s&APPID=%s'"
+    local forecast_call         = "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 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 w_notification_preset = args.w_notification_preset or {}
+    local notification_preset   = args.notification_preset or {}
+    local notification_text_fun = args.notification_text_fun or
+                                  function (day, desc, tmin, tmax)
+                                      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()
+
+        if followmouse then
+            notification_preset.screen = mouse.screen
+        end
+
         weather.notification = naughty.notify({
-            text    = weather.notification_text,
+            text    = weather.notification_text
+                      or "Waiting for the server to respond...",
             icon    = weather.icon_path,
             timeout = t_out,
-            preset  = w_notification_preset
+            preset  = notification_preset
         })
     end
 
@@ -69,55 +87,56 @@ 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)
-            j = f:read("*a")
-            f:close()
-            weather_now, pos, err = json.decode(j, 1, nil)
+            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
                 weather.notification_text = ''
                 for i = 1, weather_now["cnt"] do
-                    local f = assert(io.popen(string.format(date_cmd, weather_now["list"][i]["dt"])))
-                    day = string.gsub(f:read("a"), "\n", "")
-                    f:close()
+                    local 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"]
+                    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 ..
-                                                string.format("<b>%s</b>: %s, %d - %d  ", day, desc, tmin, tmax)
+                                                notification_text_fun(day, desc, tmin, tmax)
 
                     if i < weather_now["cnt"] then
                         weather.notification_text = weather.notification_text .. "\n"
                     end
                 end
+            else
+                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)
-            j = f:read("*a")
-            f:close()
-            weather_now, pos, err = json.decode(j, 1, nil)
-
-            if err then
-                weather.widget.set_text("N/A")
-                weather.icon:set_image(icons_path .. "na.png")
-            elseif tonumber(weather_now["cod"]) == 200 then
+            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
                 weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
-                weather.icon:set_image(weather.icon_path)
                 widget = weather.widget
                 settings()
+            else
+                weather.icon_path = icons_path .. "na.png"
+                weather.widget:set_markup(weather_na_markup)
             end
+
+            weather.icon:set_image(weather.icon_path)
         end)
     end
 
-    newtimer("weather", timeout, weather.update)
-    newtimer("weather_forecast", timeout, weather.forecast_update)
+    weather.attach(weather.widget)
+
+    newtimer("weather-" .. city_id, timeout, weather.update)
+    newtimer("weather_forecast-" .. city_id, timeout, weather.forecast_update)
 
     return setmetatable(weather, { __index = weather.widget })
 end