128 lines
2.4 KiB
Ruby
128 lines
2.4 KiB
Ruby
class Category < ActiveRecord::Base
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has_many :articles
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validates :name, :presence => true, :uniqueness => true
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validates :slug, :presence => true, :uniqueness => true
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before_validation do
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self.slug = self.name.to_slug
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self.validate_permalink
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end
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attr_accessor :skip_before_update, :skip_permalink
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acts_as_tree
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def generate_permalink
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r = ""
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node, ancestors = self, []
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ancestors << node = Category.find(node.parent_id) while node.parent_id?
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ancestors.reverse.each do |ancestor|
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r += ancestor.slug.to_s
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r+= "/"
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end
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r+= self.slug.to_s
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end
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def set_permalink
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if !skip_permalink
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self.permalink = self.generate_permalink
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self.skip_permalink = true
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self.skip_before_update = true
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self.save
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end
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end
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def validate_permalink
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self.parent_id = nil if self.parent_id == 0
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errors.add(:parent_id, 'doit être différent de la page actuelle') if parent_id == id and id != nil
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if self.id
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errors.add(:parent_id, 'attention la page parente à pour page parente celle-ci = boucle') if self.parent_id and self.id == Category.find(self.parent_id).parent_id
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end
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conditions = ["parent_id "+(self.parent_id ? "=" : "IS")+" ? and slug = ? "+("and id != ?" if self.id).to_s,self.parent_id ,self.slug]
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conditions << self.id if self.id
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if Category.where(conditions).first
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errors.add(:slug, 'est déjà utilisé')
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end
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end
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before_create do
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if !position
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top = Category.where( :parent_id => self.parent_id).order("position DESC")
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if top
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self.position = top.position.to_i + 1
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else
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self.position = 1
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end
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end
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end
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before_update do
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if self.parent_id_changed?
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Category.where(["position > ? and parent_id "+(self.changes['parent_id'][0] ? "=" : "IS")+" ?",self.position,self.changes['parent_id'][0]]).each do |portlet|
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portlet.position = portlet.position - 1
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portlet.save!
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end
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self.position = 1
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Category.where(["parent_id "+(self.parent_id ? "=" : "IS")+" ?",self.parent_id]).each do |portlet|
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portlet.position = portlet.position + 1
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portlet.save!
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end
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end
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end
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before_destroy do
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Category.where(["position > ? and parent_id "+(self.parent_id ? "=" : "IS")+" ?",self.position,self.parent_id]).each do |portlet|
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portlet.position = portlet.position - 1
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portlet.skip_before_update = true
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portlet.save!
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end
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end
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end
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