はてなグループから送られたはてなメッセージを削除するやつ

delete_hatena_messages.rb

#!/usr/bin/env ruby

##
## Delete hatena messages sent from Hatena Group
##

require 'mechanize'
require 'pit'

# Endpoints
HATENA_LOGIN_URL = 'https://www.hatena.ne.jp/login'
HATENA_MESSAGE_URL = 'http://m.hatena.ne.jp/'

# Username and password
HATENA_USER_CONFIG = Pit.get('hatena', :require => {
  'username' => 'Hatena username',
  'password' => 'Hatena password'
})
USERNAME = HATENA_USER_CONFIG['username']
PASSWORD = HATENA_USER_CONFIG['password']

#
# Log in to Hatena
#

agent = Mechanize.new
agent.get(HATENA_LOGIN_URL)

logged_in = !!agent.page.at('meta[@http-equiv="Refresh"]')

unless logged_in
  agent.page.form_with(:action => '/login') do |form|
    form.field_with(:name => 'name').value = USERNAME
    form.field_with(:name => 'password').value = PASSWORD
    form.click_button
  end
end

#
# Gather messages
#

agent.get(HATENA_MESSAGE_URL)
messages = [] 
page = 1

while true
  puts "Gathering messages from page #{page}"

  agent.page.search('table[@class="list"]/tr').map do |tr|
    messages << { 
      :id        => tr['id'].gsub(/^message-(\d+)$/, '\1'),
      :from      => tr.at('td[@class = "from"]').content.strip,
      :title     => tr.at('td[@class = "title"]').content.strip,
      :timestamp => tr.at('td[@class = "timestamp"]').content.strip
    }
  end
  
  page += 1
  next_page = agent.page.link_with(:href => "./?page=#{page}")
  break unless next_page

  next_page.click
end

num_gathered_messages = messages.size
puts "Gathered #{num_gathered_messages} messages"

#
# Delete messages sent from Hatena Group
#

messages = messages.select {|m| m[:from] == 'hatenagroup' }

puts "Deleting #{messages.size} messages out of #{num_gathered_messages}"

messages.each do |m|
  puts "Deleting message ##{m[:id]} \"#{m[:title]}\" from #{m[:from]}"
  begin
    agent.get(HATENA_MESSAGE_URL + "tree?#{m[:id]}").forms.first.click_button
  rescue
    warn "Failed to delete message ##{m[:id]}"
  end
end