Module: QiniuHelper

Extended by:
QiniuHelper
Included in:
QiniuHelper
Defined in:
lib/rails_com/helpers/qiniu_helper.rb

Instance Method Summary collapse

Instance Method Details

#bsearch_last ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 35

def bsearch_last
  ary = (0..9).to_a.reverse
  search = 'chem_0'
  begin_index = 0
  end_index = ary.length - 1
  result = nil

  while true do
    if end_index - begin_index > 1
      index = ((begin_index + end_index) / 2.0).floor
      end_flag = false
    else
      index = end_index
      end_flag = true
    end

    search.sub! /\d$/, ary[index].to_s
    list = self.list(search)

    puts 'index: ' + index.to_s
    puts 'search: ' + search
    puts 'count: ' + list.size.to_s
    puts '-------------'

    if list.blank?
      begin_index = index
    elsif list.size >= 1
      end_index = index

      if end_flag
        search << '9'
        begin_index = 0
        end_index = ary.length - 1

        if list.size == 1
          break result = list[0]['key']
        end
      end
    end
  end

  result
end

#config ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 109

def config
  @config ||= Rails.application.config_for('qiniu')
end

#download_url(key) ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 4

def download_url(key)
  Qiniu::Auth.authorize_download_url_2(config['host'], key)
end

#generate_uptoken(key = nil) ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 13

def generate_uptoken(key = nil)
  put_policy = Qiniu::Auth::PutPolicy.new(config['bucket'], key)
  @uptoken = Qiniu::Auth.generate_uptoken(put_policy)
end

#last ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 79

def last
  ary = (0..9).to_a.reverse
  search = 'chem_0'
  result = nil

  while true do
    break result if result
    ary.each_with_index do |value, index|
      search.sub! /\d$/, value.to_s
      list = self.list(search)

      puts 'index: ' + index.to_s
      puts 'search: ' + search
      puts 'count: ' + list.size.to_s
      puts '-------------'

      if list.blank?
        next
      elsif list.size > 1
        search << '9'
        break
      elsif list.size == 1
        break result = list[0]['key']
      end
    end
  end

  result
end

#list(prefix = '') ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 29

def list(prefix = '')
  list_policy = Qiniu::Storage::ListPolicy.new(config['bucket'], 10, prefix, '/')
  code, result, response_headers, s, d = Qiniu::Storage.list(list_policy)
  result['items']
end

#qiniu_url(key) ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 8

def qiniu_url(key)
  config['host'] << '/' unless config['host'].end_with? '/'
  config['host'] + key.to_s
end

#upload(local_file, key = nil) ⇒ Object 



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# File 'lib/rails_com/helpers/qiniu_helper.rb', line 18

def upload(local_file, key = nil)
  code, result, response_headers = Qiniu::Storage.upload_with_token_2(
    generate_uptoken(key),
    local_file,
    key,
    nil,
    bucket: config['bucket']
  )
  result['key']
end