Class: CloudDrive::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/clouddrive/node.rb

Instance Method Summary collapse

Constructor Details

#initialize(account) ⇒ Node

Returns a new instance of Node.



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# File 'lib/clouddrive/node.rb', line 11

def initialize()
  @account = 
end

Instance Method Details

#build_node_path(node) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 15

def build_node_path(node)
  path = []
  loop do
    path.push node["name"]

    break if node.has_key?('isRoot') && node['isRoot'] == true

    results = find_by_id(node["parents"][0])
    if results[:success] == false
      raise "No parent node found with ID #{node["parents"][0]}"
    end

    node = results[:data]

    break if node.has_key?('isRoot') && node['isRoot'] === true
  end

  path = path.reverse
  path.join('/')
end

#create_directory_path(path) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 70

def create_directory_path(path)
  retval = {
    :success => true,
    :data => {}
  }

  path = get_path_array(path)
  previous_node = get_root

  match = nil
  path.each_with_index do |folder, index|
    xary = path.slice(0, index + 1)
    if (match = find_by_path(xary.join('/'))) === nil
      result = create_new_folder(folder, previous_node["id"])
      if result[:success] === false
        return result
      end

      match = result[:data]
    end

    previous_node = match
  end

  if match == nil
    retval[:data] = previous_node
  else
    retval[:data] = match
  end

  retval
end

#create_new_folder(name, parent_id = nil) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 36

def create_new_folder(name, parent_id = nil)
  if parent_id == nil
    parent_id = get_root['id']
  end

  body = {
      :name => name,
      :parents => [
          parent_id
      ],
      :kind => "FOLDER"
  }

  retval = {
      :success => false,
      :data => []
  }

  RestClient.post(
      "#{@account.metadata_url}nodes",
      body.to_json,
      :Authorization => "Bearer #{@account.access_token}"
  ) do |response, request, result|
    data = JSON.parse(response.body)
    retval[:data] = data
    if response.code === 201
      retval[:success] = true
      @account.save_node(data)
    end
  end

  retval
end

#exists?(remote_file, local_file = nil) ⇒ Boolean

If given a local file, the MD5 will be compared as well

Returns:

  • (Boolean) 


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# File 'lib/clouddrive/node.rb', line 104

def exists?(remote_file, local_file = nil)
  if (file = find_by_path(remote_file)) == nil
    if local_file != nil
      if (file = find_by_md5(Digest::MD5.file(local_file).to_s)) != nil
        path = build_node_path(file)
        return {
            :success => true,
            :data => {
                "message" => "File with same MD5 exists at #{path}: #{file.to_json}"
            }
        }
      end
    end
    return {
        :success => false,
        :data => {
            "message" => "File #{remote_file} does not exist"
        }
    }
  end

  retval = {
      :success => true,
      :data => {
          "message" => "File #{remote_file} exists"
      }
  }

  if local_file != nil
    if file["contentProperties"] != nil && file["contentProperties"]["md5"] != nil
      if Digest::MD5.file(local_file).to_s != file["contentProperties"]["md5"]
        retval[:data]["message"] = "File #{remote_file} exists butuum doesn't match"
      else
        retval[:data]["message"] = "File #{remote_file} exists and is identical"
      end
    else
      retval[:data]["message"] = "File #{remote_file} exists, but no checksum is available"
    end
  end

  retval
end

#find_by_id(id) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 147

def find_by_id(id)
  retval = {
      :success => false,
      :data => {}
  }

  results = @account.db.execute("SELECT raw_data FROM nodes WHERE id = ?;", id)
  if results.empty?
    return retval
  end

  if results.count > 1
    raise "Multiple nodes with same ID found: #{results[:data].to_json}"
  end

  {
      :success => true,
      :data => JSON.parse(results[0][0])
  }
end

#find_by_md5(hash) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 168

def find_by_md5(hash)

  results = @account.db.execute("SELECT raw_data FROM nodes WHERE md5 = ?;", hash)
  if results.empty?
    return nil
  end

  if results.count > 1
    raise "Multiple nodes with same MD5: #{results.to_json}"
  end

  JSON.parse(results[0][0])
end

#find_by_name(name) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 182

def find_by_name(name)
  retval = []
  results = @account.db.execute("SELECT raw_data FROM nodes WHERE name = ?;", name)
  if results.empty?
    return retval
  end

  results.each do |result|
      retval.push(JSON.parse(result[0]))
  end

  retval
end

#find_by_path(path) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 196

def find_by_path(path)
  path = path.gsub(/\A\//, '')
  path = path.gsub(/\/$/, '')
  path_info = Pathname.new(path)

  found_nodes = find_by_name(path_info.basename.to_s)
  if found_nodes.empty?
    return nil
  end

  match = nil
  found_nodes.each do |node|
    if build_node_path(node) == path
      match = node
    end
  end

  match
end

#get_path_array(path) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 216

def get_path_array(path)
  return path if path.kind_of?(Array)

  path = path.split('/')
  path.reject! do |value|
    value.empty?
  end

  path
end

#get_path_string(path) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 227

def get_path_string(path)
  path = path.join '/' if path.kind_of?(Array)

  path.chomp
end

#get_root ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 233

def get_root
  results = find_by_name('root')
  if results.empty?
    raise "No node by the name of 'root' found in database"
  end

  results.each do |node|
    if node.has_key?('isRoot') && node['isRoot'] === true
      return node
    end
  end

  nil
end

#upload_dir(src_path, dest_root, show_progress = false) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 248

def upload_dir(src_path, dest_root, show_progress = false)
  src_path = File.expand_path(src_path)

  dest_root = get_path_array(dest_root)
  dest_root.push(get_path_array(src_path).last)
  dest_root = get_path_string(dest_root)

  retval = []
  Find.find(src_path) do |file|
    # Skip root directory, no need to make it
    next if file == src_path || File.directory?(file)

    path_info = Pathname.new(file)
    remote_dest = path_info.dirname.sub(src_path, dest_root).to_s

    result = upload_file(file, remote_dest)
    if show_progress == true
      if result[:success] == true
        puts "Successfully uploaded file #{file}: #{result[:data].to_json}"
      else
        puts "Failed to uploaded file #{file}: #{result[:data].to_json}"
      end
    end

    retval.push(result)

    # Since uploading a directory can take a while (depending on number/size of files)
    # we will check if we need to renew our authorization after each file upload to
    # make sure our authentication doesn't expire.
    if (Time.new.to_i - @account.token_store["last_authorized"]) > 60
      result = @account.renew_authorization
      if result[:success] === false
        raise "Failed to renew authorization: #{result[:data].to_json}"
      end
    end
  end

  retval
end

#upload_file(src_path, dest_path) ⇒ Object 



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# File 'lib/clouddrive/node.rb', line 288

def upload_file(src_path, dest_path)
  retval = {
      :success => false,
      :data => []
  }

  path_info = Pathname.new(src_path)
  dest_path = get_path_string(get_path_array(dest_path))
  dest_folder = create_directory_path(dest_path)

  result = exists?("#{dest_path}/#{path_info.basename}", src_path)
  if result[:success] == true
    retval[:data] = result[:data]

    return retval
  end

  body = {
      :metadata => {
          :kind => 'FILE',
          :name => path_info.basename,
          :parents => [
              dest_folder["id"]
          ]
      }.to_json,
      :content => File.new(File.expand_path(src_path), 'rb')
  }

  RestClient.post("#{@account.content_url}nodes", body, :Authorization => "Bearer #{@account.access_token}") do |response, request, result|
    retval[:data] = JSON.parse(response.body)
    if response.code === 201
      retval[:success] = true
      @account.save_node(retval[:data])
    end
  end

  retval
end