hammerspoon init.lua

init.lua

-- load spoons

logger = hs.logger.new("Roger", "debug")
logger.i("load hammerspoon config")

function currentSSID()
    ssid = hs.wifi.currentNetwork()
    if ssid == nil then
        return ""
    else
        return ssid
    end
end

wifiWatcher = nil
homeSSID = "Taurus"
companySSID = "Baturu"
lastSSID = currentSSID()

function string.starts(String,Start)
    return string.sub(String,1,string.len(Start))==Start
 end

function connectToHomeWifi(newSSID, lastSSID)
    return newSSID == homeSSID and lastSSID ~= homeSSID
end

function leaveHomeWifi(newSSID, lastSSID)
    return newSSID ~= homeSSID and lastSSID == homeSSID
end

function connectToCompanyWifi(newSSID, lastSSID)
    return string.starts(newSSID, companySSID) and not string.starts(lastSSID, companySSID)
end

function leaveCompanyWifi(newSSID, lastSSID)
    return not string.starts(newSSID, companySSID) and string.starts(lastSSID, companySSID)
end

function connectToWifiExceptCompany(newSSID, lastSSID)
    return not string.starts(newSSID, companySSID)
end

function fileExists(name)
    local file = io.open(name, "r")
    if file~=nil then
        io.close(file)
        return true
    else
        return false
    end
end

function appendMavenSettingsFileNameWithBackup()
    if fileExists("/Users/laughing/.m2/settings.xml") then
        logger.d("rename /Users/laughing/.m2/settings.xml to settings.xml.backup")
        os.rename("/Users/laughing/.m2/settings.xml", "/Users/laughing/.m2/settings.xml.backup")
    end
end

function recoverMavenSettingsFileName()
    if fileExists("/Users/laughing/.m2/settings.xml.backup") then
        logger.d("rename /Users/laughing/.m2/settings.xml.backup to settings.xml")
        os.rename("/Users/laughing/.m2/settings.xml.backup", "/Users/laughing/.m2/settings.xml")
    end
end

function ssidChangedCallback()
    newSSID = currentSSID()

    logger.d("ssid has changed, new ssid:" .. newSSID .. " last ssid:" .. lastSSID)

    if connectToCompanyWifi(newSSID, lastSSID) then
        logger.d("connect to company wifi")
        hs.notify.show("HammerSpoon", "WIFI", "Connect to wifi " .. newSSID)
        hs.audiodevice.defaultOutputDevice():setMuted(true)
        logger.d("audio device set to muted")
        recoverMavenSettingsFileName()
    end

    if leaveCompanyWifi(newSSID, lastSSID) then
        logger.d("leave company wifi")
        appendMavenSettingsFileNameWithBackup()
    end

    if connectToHomeWifi(newSSID, lastSSID) then
        logger.d("connect to home wifi")
        hs.audiodevice.defaultOutputDevice():setMuted(false)
        logger.d("audio device set to unmuted")
    end

    if connectToWifiExceptCompany(newSSID, lastSSID) then
        logger.d("connect to " .. newSSID .. " wifi")
        hs.audiodevice.defaultOutputDevice():setMuted(false)
        logger.d("audio device set to unmuted")
    end

    lastSSID = newSSID
end

-- trigger when wifi connect
wifiWatcher = hs.wifi.watcher.new(ssidChangedCallback)
wifiWatcher:start()

local obj={}
local function curl_callback(exitCode, stdOut, stdErr)
    if exitCode == 0 then
        obj.task = nil
        -- obj.last_pic = hs.http.urlParts(obj.full_url).lastPathComponent
        -- local localpath = os.getenv("HOME") .. "/.Trash/" .. hs.http.urlParts(obj.full_url).lastPathComponent
        local localpath = os.getenv("HOME") .. "/.Trash/" .. obj.pic_name
        logger.i('tell application "System Events" to tell every desktop to set picture to "' .. localpath .. '"')
        -- hs.osascript.applescriptFromFile("/Users/laughing/Shells/changeWallpapers.scpt")
        hs.osascript.applescript('tell application "System Events" to tell every desktop to set picture to "' .. localpath .. '"')
        -- screens = hs.screen.allScreens()
        -- for index, screen in ipairs(screens) do
        --     screen:desktopImageURL("file://" .. localpath)
        -- end
        -- os.remove(localpath)
    else
        print(stdOut, stdErr)
    end
end

local function bingRequest()
    hs.notify.show("HammerSpoon", "change wallpapers", "Ok, let's change the wallpaper from bing")
    local user_agent_str = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4"
    local json_req_url = "http://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1"
    hs.http.asyncGet(json_req_url, {["User-Agent"]=user_agent_str}, function(stat, body, header)
        if stat == 200 then
            if pcall(function() hs.json.decode(body) end) then
                local decode_data = hs.json.decode(body)
                local pic_url = decode_data.images[1].url
                -- local pic_name = hs.http.urlParts(pic_url).lastPathComponent
                -- if obj.last_pic ~= pic_name then
                obj.full_url = "https://www.bing.com" .. pic_url
                if obj.task then
                    obj.task:terminate()
                    obj.task = nil
                end

                local time = os.time(os.date("!*t"))
                -- local localpath = os.getenv("HOME") .. "/.Trash/" .. hs.http.urlParts(obj.full_url).lastPathComponent
                obj.pic_name = time
                local localpath = os.getenv("HOME") .. "/.Trash/" .. obj.pic_name
                -- os.remove(localpath)
                obj.task = hs.task.new("/usr/bin/curl", curl_callback, {"-A", user_agent_str, obj.full_url, "-o", localpath})
                obj.task:start()
                -- end
            end
        else
            logger.e("Bing URL request failed! state:" .. stat)
        end
    end)
end

timer = hs.timer.doEvery(5 * 60 * 60, function() bingRequest() end, true)
timer:setNextTrigger(5)
timer:start()

screenWatcher = hs.screen.watcher.new(function() bingRequest() end)
screenWatcher:start()

-- local htmlparser = require("htmlparser")

-- local function kafkaLagStatus()
--     local user_agent_str = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4"
--     local kafkaLagHtml = "http://kafka-manager.qipeipu.net/clusters/online/consumers/ofc-service-online/topic/OFC_PURCHASE_FINISH/type/ZK"
--     hs.http.asyncGet(kafkaLagHtml, {["User-Agent"]=user_agent_str}, function(stat,body,header)
--         if stat == 200 then
--             local root = htmlparser.parse(body)
--             local trs = root(".table tr")
--             local partition0Lag = trs[4]("td")[4]:getcontent()
--             local partition1Lag = trs[5]("td")[4]:getcontent()
            
--             partition0Lag = string.gsub(partition0Lag, ",", "")
--             partition1Lag = string.gsub(partition1Lag, ",", "")

--             partition0Lag = string.gsub(partition0Lag, " ", "")
--             partition1Lag = string.gsub(partition1Lag, " ", "")
            
--             if tonumber(partition0Lag) > 10 or tonumber(partition1Lag) > 10 then
--                 hs.notify.show("HammerSpoon", "kafka moniter", "You got a kafka lag problem")
--             end
--             logger.i("kafka partition 0 lag: " .. partition0Lag)
--             logger.i("kafka partition 1 lag: " .. partition1Lag)
--         else
--             logger.e("kafka lag request failed!")
--         end
--     end)
-- end

-- kafkaMoniterTimer = hs.timer.doEvery(60, function() kafkaLagStatus() end, true)
-- kafkaMoniterTimer:setNextTrigger(5)
-- kafkaMoniterTimer:start()

hs.hotkey.bind({"cmd", "alt", "ctrl"}, "H", function() bingRequest() end)