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require 'net/http' |
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require 'chronic' |
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class DailyDilbert |
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# Proxy URL - e.g. "http://127.1.1.1:8080/" |
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PROXY = "" |
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DATE_FORMAT = '%Y%m%d' |
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STRIP_DIR = "assets/images/daily_dilbert" |
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STRIP_PATTERN = STRIP_DIR+"/"+DATE_FORMAT+".gif" |
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attr_accessor :currentStrip |
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def get_strip_url |
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proxyURI = URI.parse(PROXY) |
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# old http = Net::HTTP.new('www.dilbert.com', nil, proxyURI.host, proxyURI.port) |
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http = Net::HTTP.new('dilbert.com', nil, proxyURI.host, proxyURI.port) |
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# old response = http.request(Net::HTTP::Get.new('/fast')) |
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response = http.request(Net::HTTP::Get.new('/')) |
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# old response.body.scan(/<img src=\"(\/dyn\/str\_strip\/[\/0-9]*\.strip\.print\.gif)\" \/>/)[0][0] if response and response.body |
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response.body.scan(/<img[^>]*src=\"http:\/\/assets\.amuniversal\.com\/([a-zA-Z0-9]+)\"[^>]*\/?>/)[0][0] if response and response.body |
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end |
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def download_strip(url) |
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proxyURI = URI.parse(PROXY) |
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file_name = DateTime.now.strftime(STRIP_PATTERN) |
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FileUtils.mkdir_p STRIP_DIR if not File.directory?(STRIP_DIR) |
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# old Net::HTTP.start('www.dilbert.com', nil, proxyURI.host, proxyURI.port) { |http| |
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Net::HTTP.start('assets.amuniversal.com', nil, proxyURI.host, proxyURI.port) { |http| |
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response = http.get("/"+url) |
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open(file_name, "wb") { |file| file.write(response.body) } |
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} |
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file_name |
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end |
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def make_web_friendly(file) |
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# File.join doesn't work for unreal pathes - create by simple concatenation |
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"/assets/" + File.basename(File.dirname(file)) + "/" + File.basename(file) |
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end |
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def get_strip_to_show(file) |
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if file |
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path = File.dirname(file) |
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ext = File.extname(file) |
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date = Date.strptime(File.basename(file, ext), DATE_FORMAT) |
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begin |
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f = path + '/' + (date - 1).strftime(DATE_FORMAT) + ext |
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date -= 1 |
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end until File.exists?(f) |
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return f |
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end |
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f = Dir[STRIP_DIR+"/*"].sort!.reverse!.first |
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return download_strip(get_strip_url) if not f |
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f |
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end |
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end |
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# initialize and show first image |
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@DD = DailyDilbert.new() |
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@DD.currentStrip = @DD.get_strip_to_show(@DD.currentStrip) |
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send_event('daily_dilbert', image: @DD.make_web_friendly(@DD.currentStrip)) |
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# strip download job |
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SCHEDULER.cron '0 7 * * *' do |job| |
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url = @DD.get_strip_url |
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@DD.currentStrip = @DD.download_strip(url) |
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if not File.exists?(@DD.currentStrip) |
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warn "Dilbert strip download failed from url #{url} to file #{@DD.currentStrip}" |
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else |
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puts DateTime.now.to_s+" Working with #{@DD.currentStrip}, web friendly "[email protected]_web_friendly(@DD.currentStrip) |
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send_event('daily_dilbert', image: @DD.make_web_friendly(@DD.currentStrip)) |
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end |
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end |
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# strip loop job |
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SCHEDULER.every '30m', :first_at => Chronic.parse('today 11:00') do |job| |
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@DD.currentStrip = @DD.get_strip_to_show(@DD.currentStrip) |
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puts DateTime.now.to_s+" Working with #{@DD.currentStrip}, web friendly "[email protected]_web_friendly(@DD.currentStrip) |
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send_event('daily_dilbert', image: @DD.make_web_friendly(@DD.currentStrip)) |
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job.unschedule if Time.now.hour == 6 |
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end |
great widget!
All working great for a number of months now suddenly this
scheduler caught exception:
undefined method
[]' for nil:NilClass /home/administrator/manchvegas/jobs/daily_dilbert.rb:14:inget_strip_url'/home/administrator/manchvegas/jobs/daily_dilbert.rb:33:in
block in <top (required)>' /var/lib/gems/1.9.1/gems/rufus-scheduler-2.0.24/lib/rufus/sc/jobs.rb:230:incall'/var/lib/gems/1.9.1/gems/rufus-scheduler-2.0.24/lib/rufus/sc/jobs.rb:230:in
trigger_block' /var/lib/gems/1.9.1/gems/rufus-scheduler-2.0.24/lib/rufus/sc/jobs.rb:204:inblock in trigger'/var/lib/gems/1.9.1/gems/rufus-scheduler-2.0.24/lib/rufus/sc/scheduler.rb:430:in
call' /var/lib/gems/1.9.1/gems/rufus-scheduler-2.0.24/lib/rufus/sc/scheduler.rb:430:inblock in trigger_job'Any ideas?