Module: ChaWork::Persistence

Defined in:
lib/cha_work/persistence.rb

Class Method Summary collapse

Class Method Details

.[](key) ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 15

def [](key)
  value = storage.objectForKey storage_key(key)

  # RubyMotion currently has a bug where the strings returned from
  # standardUserDefaults are missing some methods (e.g. to_data).
  # And because the returned object is slightly different than a normal
  # String, we can't just use `value.is_a?(String)`
  value.class.to_s == 'String' ? value.dup : value
end

.[]=(key, value) ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 10

def []=(key, value)
  storage.setObject(value, forKey: storage_key(key))
  storage.synchronize
end

.all ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 47

def all
  hash = storage.dictionaryRepresentation.select{|k,v| k.start_with?(app_key) }
  new_hash = {}
  hash.each do |k,v|
    new_hash[k.sub("#{app_key}_", '')] = v
  end
  new_hash
end

.app_key ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 6

def app_key
  @app_key ||= NSBundle.mainBundle.bundleIdentifier
end

.delete(key) ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 32

def delete(key)
  value = storage.objectForKey storage_key(key)
  storage.removeObjectForKey(storage_key(key))
  storage.synchronize
  value
end

.merge(values) ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 25

def merge(values)
  values.each do |key, value|
    storage.setObject(value, forKey: storage_key(key))
  end
  storage.synchronize
end

.storage ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 39

def storage
  NSUserDefaults.standardUserDefaults
end

.storage_key(key) ⇒ Object 



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# File 'lib/cha_work/persistence.rb', line 43

def storage_key(key)
  "#{app_key}_#{key}"
end