Sha256: f23f98963ee206440b859b5f9fbc7757db4f84b31dce6648c0c5cddcf5f0122f
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Size: 1.46 KB
Versions: 16
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Stored size: 1.46 KB
Contents
require 'volt/models/persistors/base'
require 'volt/utils/local_storage'
require 'json'
module Volt
module Persistors
# Backs a collection in the local store
class LocalStore < Base
def initialize(model)
@model = model
end
# Find the root for this model
def root_model
node = @model
loop do
parent = node.parent
if parent
node = parent
else
break
end
end
node
end
# Called when a model is added to the collection
def added(model, index)
root_model.persistor.save_all
end
def loaded(initial_state = nil)
# When the main model is first loaded, we pull in the data from the
# store if it exists
if @model.path == []
json_data = LocalStorage['volt-store']
if json_data
root_attributes = JSON.parse(json_data)
@loading_data = true
root_attributes.each_pair do |key, value|
@model.send(:"_#{key}=", value)
end
@loading_data = nil
end
end
end
# Callled when an item is changed (or removed)
def changed(attribute_name)
root_model.persistor.save_all
end
# Called on the root
def save_all
return if @loading_data
json_data = JSON.dump(@model.to_h)
LocalStorage['volt-store'] = json_data
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems