Module: GoogleDrive::Util

Included in:
Acl, AclEntry, Collection, File, Record, Session, Session, Spreadsheet, Table, Worksheet
Defined in:
lib/google_drive/util.rb

Overview

:nodoc:

Constant Summary collapse

EXT_TO_CONTENT_TYPE = 
{
    ".csv" =>"text/csv",
    ".tsv" =>"text/tab-separated-values",
    ".tab" =>"text/tab-separated-values",
    ".doc" =>"application/msword",
    ".docx" => "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
    ".ods" =>"application/x-vnd.oasis.opendocument.spreadsheet",
    ".odt" =>"application/vnd.oasis.opendocument.text",
    ".rtf" =>"application/rtf",
    ".sxw" =>"application/vnd.sun.xml.writer",
    ".txt" =>"text/plain",
    ".xls" =>"application/vnd.ms-excel",
    ".xlsx" => "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
    ".pdf" =>"application/pdf",
    ".png" =>"image/png",
    ".ppt" =>"application/vnd.ms-powerpoint",
    ".pps" =>"application/vnd.ms-powerpoint",
    ".htm" =>"text/html",
    ".html" =>"text/html",
    ".zip" =>"application/zip",
    ".swf" =>"application/x-shockwave-flash",
}

Class Method Summary collapse

Class Method Details

.concat_url(url, piece) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 42

def concat_url(url, piece)
  (url_base, url_query) = url.split(/\?/, 2)
  (piece_base, piece_query) = piece.split(/\?/, 2)
  result_query = [url_query, piece_query].select(){ |s| s && !s.empty? }.join("&")
  return (url_base || "") +
      (piece_base || "") +
      (result_query.empty? ? "" : "?#{result_query}")
end

.construct_and_query(args) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 94

def construct_and_query(args)
  return args.select(){ |a| a }.map(){ |a| "(%s)" % construct_query(a) }.join(" and ")
end

.construct_query(arg) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 56

def construct_query(arg)

  case arg

    when String
      return arg

    when Array
      if arg[0].scan(/\?/).size != arg.size - 1
        raise(
            ArgumentError,
            "The number of placeholders doesn't match the number of arguments: %p" % [arg])
      end
      i = 1
      return arg[0].gsub(/\?/) do
        v = arg[i]
        i += 1
        case v
          when String
            "'%s'" % v.gsub(/['\\]/){ "\\" + $& }
          when Time
            "'%s'" % v.iso8601
          when TrueClass
            "true"
          when FalseClass
            "false"
          else
            raise(ArgumentError, "Expected String, Time, true or false, but got %p" % [v])
        end
      end

    else
      raise(ArgumentError, "Expected String or Array, but got %p" % [arg])

  end

end

.convert_params(params) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 98

def convert_params(params)
  str_params = {}
  for k, v in params
    str_params[k.to_s()] = v
  end
  old_terms = []
  new_params = {}
  for k, v in str_params
    case k
      when "q"
        new_params["q"] = construct_query(v)
      # Parameters in the old API.
      when "title"
        if str_params["title-exact"].to_s() == "true"
          old_terms.push(["title = ?", v])
        else
          old_terms.push(["title contains ?", v])
        end
      when "title-exact"
        # Skips it. It is handled above.
      when "opened-min"
        old_terms.push(["lastViewedByMeDate >= ?", v])
      when "opened-max"
        old_terms.push(["lastViewedByMeDate <= ?", v])
      when "edited-min"
        old_terms.push(["modifiedDate >= ?", v])
      when "edited-max"
        old_terms.push(["modifiedDate <= ?", v])
      when "owner"
        old_terms.push(["? in owners", v])
      when "writer"
        old_terms.push(["? in writers", v])
      when "reader"
        old_terms.push(["? in readers", v])
      when "showfolders"
        if v.to_s() == "false"
          old_terms.push("mimeType != 'application/vnd.google-apps.folder'")
        end
      when "showdeleted"
        if v.to_s() == "false"
          old_terms.push("trashed = false")
        end
      when "ocr", "targetLanguage", "sourceLanguage"
        raise(ArgumentError, "'%s' parameter is no longer supported." % k)
      else
        new_params[k] = v
    end
  end
  if !old_terms.empty?
    if new_params.has_key?("q")
      raise(ArgumentError, "Cannot specify both 'q' parameter and old query parameters.")
    else
      new_params["q"] = construct_and_query(old_terms)
    end
  end
  return new_params
end

.delegate_api_methods(obj, api_obj, exceptions = []) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 162

def delegate_api_methods(obj, api_obj, exceptions = [])
  sc = singleton_class(obj)
  names = api_obj.class.keys.keys - exceptions
  names.each() do |name|
    sc.__send__(:define_method, name) do
      api_obj.__send__(name)
    end
  end
end

.encode_query(params) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 38

def encode_query(params)
  return params.map(){ |k, v| CGI.escape(k.to_s()) + "=" + CGI.escape(v.to_s()) }.join("&")
end

.h(str) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 51

def h(str)
  # Should also escape "\n" to keep it in cell contents.
  return CGI.escapeHTML(str.to_s()).gsub(/\n/, '&#x0a;')
end

.new_upload_io(path_or_io, params) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 172

def new_upload_io(path_or_io, params)
  content_type =
      params[:content_type] ||
      (params[:file_name] ? EXT_TO_CONTENT_TYPE[::File.extname(params[:file_name]).downcase] : nil) ||
      "application/octet-stream"
  return Google::APIClient::UploadIO.new(path_or_io, content_type)
end

.singleton_class(obj) ⇒ Object 



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# File 'lib/google_drive/util.rb', line 156

def singleton_class(obj)
  class << obj
    return self
  end
end