Sha256: 0ff34b5faa755a170df08145c703b44639e668fec7bd32ce56cb24b7791da380
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Versions: 6
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Stored size: 1.54 KB
Contents
module Adminpanel
module Sortable
extend ActiveSupport::Concern
# the lower the (position) integer is, the better it is.
included do
before_create :set_position
before_destroy :rearrange_positions
default_scope do
order('position ASC')
end
end
module ClassMethods
def is_sortable?
true
end
end
def move_to_better_position
if self.position > 1
conflicting_gallery(self.position - 1).increment!(:position)
self.decrement!(:position)
true
else
false
end
end
def move_to_worst_position
records = self.class.count
if self.position < records
conflicting_gallery(self.position + 1).decrement!(:position)
self.increment!(:position)
true
else
false
end
end
protected
def conflicting_gallery(conflicting_position)
logger.info "searching pos: #{conflicting_position}"
self.class.find_by_position(conflicting_position)
end
def rearrange_positions
unarranged_records = self.class.where(
'position > ?', self.position
)
unarranged_records.each do |record|
record.update_attribute(:position, gallery.position - 1)
end
end
def set_position
last_record = self.class.last
if last_record.nil?
# this is the first record that is created
self.position = 1
else
self.position = last_record.position + 1
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems