Class: Ppl::Adapter::Storage::Git

Inherits:
Ppl::Adapter::Storage show all
Defined in:
lib/ppl/adapter/storage/git.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Ppl::Adapter::Storage

#require_contact

Constructor Details

#initialize(disk) ⇒ Git

Returns a new instance of Git.



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# File 'lib/ppl/adapter/storage/git.rb', line 11

def initialize(disk)
  @disk = disk
  @repository = Rugged::Repository.new(@disk.directory.path)
end

Instance Attribute Details

#disk ⇒ Object

Returns the value of attribute disk.



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# File 'lib/ppl/adapter/storage/git.rb', line 7

def disk
  @disk
end

#repository ⇒ Object

Returns the value of attribute repository.



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# File 'lib/ppl/adapter/storage/git.rb', line 8

def repository
  @repository
end

#vcard_adapter ⇒ Object

Returns the value of attribute vcard_adapter.



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# File 'lib/ppl/adapter/storage/git.rb', line 9

def vcard_adapter
  @vcard_adapter
end

Class Method Details

.create_address_book(path) ⇒ Object 



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# File 'lib/ppl/adapter/storage/git.rb', line 16

def self.create_address_book(path)
  repo = Rugged::Repository.init_at(path, false)
  disk = Ppl::Adapter::Storage::Disk.create_address_book(path)

  git = self.new(disk)
  git.add(".ppl/config")
  git.commit("first commit")
end

Instance Method Details

#add(file) ⇒ Object 



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# File 'lib/ppl/adapter/storage/git.rb', line 71

def add(file)
  @repository.index.add(file)
  @repository.index.write
end

#commit(message) ⇒ Object 



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# File 'lib/ppl/adapter/storage/git.rb', line 76

def commit(message)
  hash = @repository.index.write_tree
  tree = @repository.lookup hash
  head = nil

  begin
    head = @repository.head
  rescue
  end

  if !head.nil?
    parents    = [ @repository.lookup( @repository.head.target ).oid ]
    update_ref = "HEAD"
  else
    parents    = []
    update_ref = "HEAD"
  end

  name = ENV['USER']
  host = Socket.gethostname

  author = {
    :email => name + "@" + host,
    :time  => Time.now,
    :name  => name,
  }

  data = {
    :author     => author,
    :message    => message,
    :committer  => author,
    :tree       => tree,
    :parents    => parents,
    :update_ref => update_ref,
  }

  Rugged::Commit.create(@repository, data)
  true
end

#delete_contact(contact) ⇒ Object 



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# File 'lib/ppl/adapter/storage/git.rb', line 63

def delete_contact(contact)
  @repository.index.remove("#{contact.id}.vcf")
  @repository.index.write
  commit("remove_contact(#{contact.id})")
  @disk.delete_contact(contact)
end

#load_address_book ⇒ Object 



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# File 'lib/ppl/adapter/storage/git.rb', line 25

def load_address_book
  address_book = Ppl::Entity::AddressBook.new

  head = @repository.lookup(@repository.head.target)
  head.tree.each do |file|
    extension = file[:name].slice(-4..-1)
    if extension != ".vcf"
      next
    end
    contact_id = file[:name].slice(0..-5)
    contact    = load_contact(contact_id)
    address_book.add_contact(contact)
  end

  return address_book
end

#load_contact(id) ⇒ Object 



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# File 'lib/ppl/adapter/storage/git.rb', line 42

def load_contact(id)
  filename = id + ".vcf"
  target   = @repository.head.target
  vcard    = @repository.file_at(target, filename)
  contact  = nil

  if !vcard.nil?
    contact    = @vcard_adapter.decode(vcard)
    contact.id = id
  end

  return contact
end

#save_contact(contact) ⇒ Object 



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# File 'lib/ppl/adapter/storage/git.rb', line 56

def save_contact(contact)
  @disk.save_contact(contact)

  add("#{contact.id}.vcf")
  commit("save_contact(#{contact.id})")
end