Module: Gluttonberg::Content::SlugManagement::InstanceMethods

Defined in:
lib/gluttonberg/content/slug_management.rb

Instance Method Summary collapse

Instance Method Details

#find_potential_duplicates(slug) ⇒ Object 



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# File 'lib/gluttonberg/content/slug_management.rb', line 116

def find_potential_duplicates(slug)
  unless self.class.where(["slug = ? ", slug]).first.blank?
    temp_slug = slug_without_postfix(slug)
    potential_duplicates = self.class.where(["slug = ? OR slug = ? OR slug like ? ", slug, temp_slug, "#{temp_slug}-%"])
    
    unless self.class.slug_scope.blank?
      potential_duplicates = potential_duplicates.where(self.class.slug_scope => self.send(self.class.slug_scope) )
    end
    potential_duplicates = potential_duplicates.all
    potential_duplicates = potential_duplicates.find_all{|obj| obj.id != self.id}
    potential_duplicates
  else
    []
  end
end

#fix_duplicated_slug ⇒ Object 



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# File 'lib/gluttonberg/content/slug_management.rb', line 91

def fix_duplicated_slug
  # check duplication: add id at the end if its duplicated
  potential_duplicates = find_potential_duplicates(self.slug)

  unless potential_duplicates.blank?
    if potential_duplicates.length > 1 || (potential_duplicates.length == 1 && potential_duplicates.first.id != self.id )
      number = potential_duplicates.length+1
      begin
        self.slug = "#{slug_without_postfix(self.slug)}-#{number}"
        number += 1
      end while find_potential_duplicates(slug).map{|o| o.slug}.include?(slug)
    end
  end
end

#get_slug_source ⇒ Object 



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# File 'lib/gluttonberg/content/slug_management.rb', line 51

def get_slug_source
  if self.class.slug_source_field_name.blank?
    if self.respond_to?(:name)
      self.class.slug_source_field_name= :name
    elsif self.respond_to?(:title)
      self.class.slug_source_field_name= :title
    else
      self.class.slug_source_field_name= :id
    end
  end
  self.class.slug_source_field_name
end

#slug=(new_slug) ⇒ Object 



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# File 'lib/gluttonberg/content/slug_management.rb', line 64

def slug=(new_slug)
  current_slug = self.slug
  new_slug = new_slug.to_s.sluglize unless new_slug.blank?
  new_slug = unique_slug(new_slug)
  write_attribute(:slug, new_slug)
  if self.respond_to?(:previous_slug) && self.slug_changed? && self.slug != current_slug
    write_attribute(:previous_slug, current_slug)
  end
  new_slug
end

#slug_management ⇒ Object

protected Checks If slug is blank then tries to set slug using following logic if slug_field_name is set then use its value and make it slug otherwise checks for name column otherwise checks for title column else get id as slug



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# File 'lib/gluttonberg/content/slug_management.rb', line 81

def slug_management
  if self.slug.blank?
    if self.class.slug_source_field_name.blank?
      self.get_slug_source
    end
    self.slug= self.send(self.class.slug_source_field_name)
  end #slug.blank
  self.fix_duplicated_slug
end

#slug_without_postfix(slug) ⇒ Object 



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# File 'lib/gluttonberg/content/slug_management.rb', line 112

def slug_without_postfix(slug)
  Content::SlugManagement::ClassMethods.slug_without_postfix(slug)
end

#unique_slug(slug) ⇒ Object 



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# File 'lib/gluttonberg/content/slug_management.rb', line 106

def unique_slug(slug)
  # check duplication: add id at the end if its duplicated
  potential_duplicates = find_potential_duplicates(slug)
  Content::SlugManagement::ClassMethods.check_for_duplication(slug, self, potential_duplicates)
end