Class: Database

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/database.rb

Constant Summary collapse

ARCHIVE_ROOT_DIR_PATH = 
"小説データ/"
DATABASE_NAME = 
"database"
@@archive_root_path = 
File.expand_path(File.join(Narou.get_root_dir, ARCHIVE_ROOT_DIR_PATH))

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Database

Returns a new instance of Database.



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# File 'lib/database.rb', line 50

def initialize
  refresh
end

Class Method Details

.archive_root_path ⇒ Object

小説格納用のルートディレクトリを取得



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# File 'lib/database.rb', line 71

def self.archive_root_path
  @@archive_root_path
end

.init ⇒ Object

データベース初期設定



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# File 'lib/database.rb', line 61

def self.init
  unless File.exist?(ARCHIVE_ROOT_DIR_PATH)
    FileUtils.mkdir(ARCHIVE_ROOT_DIR_PATH)
    puts ARCHIVE_ROOT_DIR_PATH + " を作成しました"
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/database.rb', line 22

def [](key)
  @database[key]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/database.rb', line 26

def []=(key, value)
  @database[key] = value
end

#create_new_id ⇒ Object 



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# File 'lib/database.rb', line 103

def create_new_id
  max_id = @database.keys.max
  id = max_id ? max_id + 1 : 0
  id
end

#delete(key) ⇒ Object 



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# File 'lib/database.rb', line 46

def delete(key)
  @database.delete(key)
end

#each(&block) ⇒ Object 



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# File 'lib/database.rb', line 30

def each(&block)
  if block
    @database.each(&block)
  else
    @database.each
  end
end

#each_key(&block) ⇒ Object 



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# File 'lib/database.rb', line 38

def each_key(&block)
  if block
    @database.each_key(&block)
  else
    @database.each_key
  end
end

#get_data(type, value) ⇒ Object 



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# File 'lib/database.rb', line 88

def get_data(type, value)
  @database.each do |_, data|
    return data if data[type] == value
  end
  nil
end

#get_id(type, value) ⇒ Object 



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# File 'lib/database.rb', line 95

def get_id(type, value)
  data = get_data(type, value)
  if data
    return data["id"]
  end
  nil
end

#get_object ⇒ Object 



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# File 'lib/database.rb', line 79

def get_object
  @database
end

#novel_exists?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/database.rb', line 83

def novel_exists?(id)
  return nil if id.nil?
  @database.keys.include?(id.to_i)
end

#refresh ⇒ Object 



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# File 'lib/database.rb', line 54

def refresh
  @database = Inventory.load(DATABASE_NAME)
end

#save_database ⇒ Object 



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# File 'lib/database.rb', line 75

def save_database
  @database.save
end

#sort_by(key, reverse: true) ⇒ Object 



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# File 'lib/database.rb', line 109

def sort_by(key, reverse: true)
  values = @database.values.sort_by { |v| v[key] }
  if reverse
    values.reverse
  else
    values
  end
end