Class: Imap::Backup::Serializer::Imap

Inherits:
Object
  • Object
show all
Defined in:
lib/imap/backup/serializer/imap.rb

Constant Summary collapse

CURRENT_VERSION = 
2

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(folder_path) ⇒ Imap

Returns a new instance of Imap.



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# File 'lib/imap/backup/serializer/imap.rb', line 10

def initialize(folder_path)
  @folder_path = folder_path
  @loaded = false
  @uid_validity = nil
  @uids = nil
  @version = nil
end

Instance Attribute Details

#folder_path ⇒ Object (readonly)

Returns the value of attribute folder_path.



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# File 'lib/imap/backup/serializer/imap.rb', line 7

def folder_path
  @folder_path
end

#loaded ⇒ Object (readonly)

Returns the value of attribute loaded.



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# File 'lib/imap/backup/serializer/imap.rb', line 8

def loaded
  @loaded
end

Instance Method Details

#append(uid) ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 26

def append(uid)
  uids << uid
  save
end

#delete ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 31

def delete
  return if !exist?

  File.unlink(pathname)
end

#include?(uid) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/imap/backup/serializer/imap.rb', line 37

def include?(uid)
  uids.include?(uid)
end

#index(uid) ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 41

def index(uid)
  uids.find_index(uid)
end

#rename(new_path) ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 45

def rename(new_path)
  if exist?
    old_pathname = pathname
    @folder_path = new_path
    File.rename(old_pathname, pathname)
  else
    @folder_path = new_path
  end
end

#uid_validity ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 55

def uid_validity
  ensure_loaded
  @uid_validity
end

#uid_validity=(value) ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 60

def uid_validity=(value)
  ensure_loaded
  @uid_validity = value
  @uids ||= []
  save
end

#uids ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 67

def uids
  ensure_loaded
  @uids || []
end

#update_uid(old, new) ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 72

def update_uid(old, new)
  index = uids.find_index(old.to_i)
  return if index.nil?

  uids[index] = new.to_i
  save
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/imap/backup/serializer/imap.rb', line 18

def valid?
  return false if !exist?
  return false if version != CURRENT_VERSION
  return false if !uid_validity

  true
end

#version ⇒ Object 



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# File 'lib/imap/backup/serializer/imap.rb', line 80

def version
  ensure_loaded
  @version
end