Sha256: 355987b78c136d9219c531f0f4085d31a59c566979214ad27bdcecc68e598700
Contents?: true
Size: 1.51 KB
Versions: 6
Compression:
Stored size: 1.51 KB
Contents
module RailsCoreExtensions
class Sortable
# params is either:
# SIMPLE:
# model_body (where model is the model name)
# SCOPED:
# scope (name of the scope, e.g. category_id)
# category_id (or whatever the name of scope is)
# model_1_body (or whatever id of scope id)
def initialize(params, controller_name)
@params = params.symbolize_keys
@controller_name = controller_name
@klass = controller_name.classify.constantize
end
def sort
scope = @params[:scope].try(:to_sym)
param_key = @controller_name.singularize
param_key += "_#{@params[scope]}" if scope
params_collection = @params["#{param_key}_body".to_sym]
if params_collection.blank?
name = "#{scope.to_s.gsub('_id', '')}_#{@params[scope]}_body".to_sym
params_collection = @params[name]
end
collection = @klass.reorder(:position)
collection = collection.where(@params.slice(scope.to_sym)) if scope
sort_collection(collection, params_collection.map(&:to_i))
end
private
def sort_collection(collection_old, collection_new_ids)
@klass.transaction do
collection_old.each.with_index do |object, index|
next if object.id == collection_new_ids[index]
new_position = collection_new_ids.index(object.id) + 1
update(object, new_position)
end
end
end
def update(object, new_position)
@klass.where(id: object.id).limit(1).update_all(position: new_position)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems