likes.rb

#!ruby

require "open-uri"
require "rubygems"
require "sequel"
require "tumblr_client"
require "mime/types"

blog = "example.tumblr.com"
path = "likes"

DB = Sequel.sqlite("#{blog}.db")

DB.create_table?(:likes) do
  primary_key :id
  String :name
  Integer :post_id
  String :url
  DateTime :timestamp
end

Tumblr.configure do |config|
  config.consumer_key = ""
  config.consumer_secret = ""
  config.oauth_token = ""
  config.oauth_token_secret = ""
end

tumblr = Tumblr.new
offset = 0

while true do
  # Tumblr APIのoffset上限は1000
  #︎ https://groups.google.com/forum/#!topic/tumblr-api/exUSE_ySM1g
  offset = [offset, 1000].min
  posts = tumblr.blog_likes(blog, :offset => offset)
  size = posts["liked_posts"].size
  puts "#{offset} + #{size}"
  if size == 0
    puts "end!"
    break
  end
  likes = DB[:likes]

  posts["liked_posts"].each do |post|
    unless post["type"] == "photo"
      puts "skip type #{post["type"]}"
      next
    end
    if likes.where(:post_id => post["id"]).first
      puts "already exists #{post['id']}"
      next
    end

    post["photos"].each_with_index do |photo, i|
      image_url = photo["original_size"]["url"]
      puts image_url
      begin
        open(image_url) do |image|
          extension = MIME::Types[image.content_type].first.sub_type.gsub("jpeg", "jpg")
          file_name = "#{path}/#{post['timestamp']}_#{post['id']}_#{i}.#{extension}"
          puts file_name
          open(file_name, "wb") do |file|
            file.write(image.read)
          end
          timestamp = Time.at(post["timestamp"]).strftime("%Y%m%d%H%M.%S")
          system "touch -t #{timestamp} #{file_name}"
        end
      rescue OpenURI::HTTPError => e
        puts "#{e.io.status[0]} #{post['id']}"
      end
      sleep 1
    end

    likes.insert(
      :name      => post["blog_name"],
      :post_id   => post["id"],
      :url       => post["post_url"],
      :timestamp => post["timestamp"],
    )
  end

  if offset == 1000
    puts "1000!"
    break
  end
  offset += size
  sleep 1
end