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Versions: 23
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Stored size: 747 Bytes
Contents
module RailsCoreExtensions
class PositionInitializer
def initialize(model_class, scope_name = nil, position_column = nil)
@model_class = model_class
@scope_name = scope_name
@position_column = position_column
@position_column ||= :position
end
def positionalize
groups.each do |objects|
objects.each.with_index do |object, index|
next if object.position == index + 1
scope = @model_class.where(id: object.id)
scope.update_all(@position_column => index + 1)
end
end
end
private
def groups
objects = @model_class.order(@position_column)
@scope_name ? objects.group_by(&@scope_name.to_sym).values : [objects]
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems