Class: TDiary::IO::PStore

Inherits:
Object show all
Defined in:
lib/tdiary/io/pstore.rb

Instance Method Summary collapse

Constructor Details

#initialize(tdiary) ⇒ PStore

Returns a new instance of PStore.



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# File 'lib/tdiary/io/pstore.rb', line 13

def initialize( tdiary )
  @data_path = tdiary.conf.data_path
end

Instance Method Details

#calendar ⇒ Object 



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# File 'lib/tdiary/io/pstore.rb', line 46

def calendar
  calendar = {}
  Dir["#{@data_path}??????"].sort.each do |file|
    year, month = file.scan( %r[/(\d{4})(\d\d)$] )[0]
    next unless year
    calendar[year] = [] unless calendar[year]
    calendar[year] << month
  end
  calendar
end

#diary_factory(date, title, body, style = nil) ⇒ Object 



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# File 'lib/tdiary/io/pstore.rb', line 57

def diary_factory( date, title, body, style = nil )
  Diary::new( date, title, body )
end

#transaction(date) ⇒ Object

block must be return boolean which dirty diaries.



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# File 'lib/tdiary/io/pstore.rb', line 20

def transaction( date )
  diaries = {}
  filename = date.strftime( "#{@data_path}%Y%m" )
  begin
    PStore::new( filename ).transaction do |db|
      dirty = false
      if db.root?( 'diary' ) then
        diaries.update( db['diary'] )
      end
      dirty = yield( diaries ) if iterator?
      if dirty != TDiary::TDiaryBase::DIRTY_NONE then
        db['diary'] = diaries
      else
        db.abort
      end
    end
  rescue PStore::Error, NameError, Errno::EACCES
    raise PermissionError::new( "make your @data_path to writable via httpd. #$!" )
  end
  begin
    File::delete( filename ) if diaries.empty?
  rescue Errno::ENOENT
  end
  return diaries
end