]> 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:

#263: followtag default to true; changing quake definition
[etc/awesome.git] / widgets / weather.lua
index c69d02bfb90dd4191f05e06126ea125e686a983d..015f43a56fdc665bb1bb33ac91b89ce76b880419 100644 (file)
@@ -7,16 +7,25 @@
 --]]
 
 local newtimer     = require("lain.helpers").newtimer
 --]]
 
 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 async        = require("lain.asyncshell")
 local json         = require("lain.util").dkjson
 local lain_icons   = require("lain.helpers").icons_dir
+
+local focused      = require("awful.screen").focused
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
-local math         = { floor  = math.floor }
-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
@@ -26,34 +35,60 @@ local setmetatable = setmetatable
 local function worker(args)
     local weather               = {}
     local args                  = args or {}
 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 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          = 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 1 or 0) * 3600)
+                                  end
     local units                 = args.units or "metric"
     local lang                  = args.lang or "en"
     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 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 (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 followtag           = args.followtag or false
     local settings              = args.settings or function() end
 
     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()
 
     function weather.show(t_out)
         weather.hide()
+
+        if followtag then
+            notification_preset.screen = focused()
+        end
+
+        if not weather.notification_text then
+            weather.forecast_update()
+        end
+
         weather.notification = naughty.notify({
             text    = weather.notification_text,
             icon    = weather.icon_path,
             timeout = t_out,
         weather.notification = naughty.notify({
             text    = weather.notification_text,
             icon    = weather.icon_path,
             timeout = t_out,
-            preset  = w_notification_preset
+            preset  = notification_preset
         })
     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
@@ -69,25 +104,16 @@ 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)
-            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 tonumber(weather_now["cod"]) == 200 then
+            if not err and type(weather_now) == "table" 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
-                    local f = assert(io.popen(string.format(date_cmd, weather_now["list"][i]["dt"])))
-                    day = string.gsub(f:read("a"), "\n", "")
-                    f:close()
-
-                    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"
 
                     if i < weather_now["cnt"] then
                         weather.notification_text = weather.notification_text .. "\n"
@@ -98,26 +124,53 @@ local function worker(args)
     end
 
     function weather.update()
     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)
-            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
-                weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
-                weather.icon:set_image(weather.icon_path)
+            local pos, err, icon
+            weather_now, pos, err = json.decode(f, 1, nil)
+
+            if not err and type(weather_now) == "table" 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()
                 widget = weather.widget
                 settings()
+            else
+                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
 
         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
 
     return setmetatable(weather, { __index = weather.widget })
 end