Class: Newsletter::Element

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
Deleteable
Defined in:
app/models/newsletter/element.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Deleteable

#delete, included, #is_deleted?, #undelete

Class Method Details

.import(design, data) ⇒ Object

builds areas from data pulled out of an exported YAML file by Newsletter::Design.import(class)



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# File 'app/models/newsletter/element.rb', line 75

def self.import(design,data)
  element = Element.new(:name => data[:name], 
    :html_text => data[:html_text],
    :description => data[:description])
  element.design = design
  element.save
  data[:areas].each do |area_data|
    element.areas <<
      Area.find_all_by_design_id_and_name(design.id,area_data[:name])
  end
  data[:fields].each do |field_data|
      Field.import(element,field_data)
  end
end

Instance Method Details

#export_fields ⇒ Object

returns field data so that Newsletter::Design.export(instance) can export itself to a YAML file



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# File 'app/models/newsletter/element.rb', line 65

def export_fields
  { :name => name,
    :description => description,
    :html_text => html_text,
    :areas => areas.collect{|area| area.export_fields},
    :fields => fields.collect{|field| field.export_fields}
  }
end

#file_path(this_name = nil) ⇒ Object

defines where the file is in the filesystem



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# File 'app/models/newsletter/element.rb', line 42

def file_path(this_name=nil)
  File.dirname(view_path(this_name)) + '/_' + File.basename(view_path(this_name))
end

#html_text ⇒ Object

retrieves the html erb design from the file system



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# File 'app/models/newsletter/element.rb', line 54

def html_text
  return @html_text if @html_text
  @html_text = read_design
end

#html_text=(text) ⇒ Object

sets and saves the html erb design to update the file after a successful save



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# File 'app/models/newsletter/element.rb', line 60

def html_text=(text)
  @html_text = text
end

#name=(new_name) ⇒ Object

used to record old name of an element such that the design can be moved to the new name



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# File 'app/models/newsletter/element.rb', line 47

def name=(new_name)
  return if self[:name].eql?(new_name)
  @old_name = self[:name] unless @old_name
  self[:name] = new_name
end

#name_as_path(this_name = nil) ⇒ Object

returns a version of name that is nice for filesytem use



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# File 'app/models/newsletter/element.rb', line 36

def name_as_path(this_name=nil)
  this_name = name unless this_name
  this_name.gsub(/[^a-zA-Z0-9-]/,'_').downcase
end

#save(*args) ⇒ Object 



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# File 'app/models/newsletter/element.rb', line 90

def save(*args)
  transaction do 
    move_design_on_name_change
    write_design
    super
  end
end

#view_path(this_name = nil) ⇒ Object

defines the design path for the element as used in a render :partial => (without ‘_’)



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# File 'app/models/newsletter/element.rb', line 30

def view_path(this_name=nil)
    this_name = self[:name] unless this_name
      "#{::Newsletter.designs_path}/designs/#{design.name.gsub(/[^a-zA-Z0-9-]/,'_')}/elements/#{name_as_path(this_name)}.html.erb"
end