Class: ContactList

Inherits:
Object
  • Object
show all
Defined in:
lib/public/doc/plain-text-files/contacts_g.rb,
lib/public/doc/plain-text-files/contacts_y.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ ContactList

Returns a new instance of ContactList.



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 8

def initialize(dir)
  @dir = dir
  @contact_cache = []
end

Instance Attribute Details

#contact_cache ⇒ Object (readonly)

Returns the value of attribute contact_cache.



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 6

def contact_cache
  @contact_cache
end

#contacts ⇒ Object

Returns the value of attribute contacts.



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# File 'lib/public/doc/plain-text-files/contacts_y.rb', line 4

def contacts
  @contacts
end

Class Method Details

.load(file) ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_y.rb', line 37

def self.load(file)
  list = new(file)
  list.contacts = YAML.load(File.read(file))
  list
end

Instance Method Details

#<<(contact) ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 34

def <<(contact)
  Dir.chdir(@dir) do
    Dir.mkdir(contact.dirname) unless File.exists?(contact.dirname)
    populate_contact(contact)
  end
  @contact_cache << contact
end

#[](name) ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 13

def [](name)
  contact = @contact_cache.find {|c| c.name == name }
  return contact if contact
  contact = Contact.new(name)
  Dir.chdir(@dir) do
    if File.directory?(contact.dirname)
      populate_contact(contact)
      @contact_cache << contact
    else
      contact = nil
    end
  end
  contact
end

#delete(name) ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 42

def delete(name)
  contact = self[name]
  return false unless contact
  contact.close
  Dir.chdir(@dir) do
    FileUtils.rm_rf(contact.dirname)
  end
  contact_cache.delete_if {|c| c.name == name }
  true
end

#directory_names ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 53

def directory_names
  Dir["#{@dir}/*"]
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 61

def empty?
  directory_names.empty?
end

#populate_contact(contact) ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 28

def populate_contact(contact)
  Dir.chdir(contact.dirname) do
    contact.open
  end
end

#save ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_y.rb', line 31

def save
  File.open(@file, "w") do |fh|
    fh.puts(@contacts.to_yaml)
  end
end

#size ⇒ Object 



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# File 'lib/public/doc/plain-text-files/contacts_g.rb', line 57

def size
  directory_names.size
end