Module: Headshop::MetaTagHelper

Includes:
ActionView::Helpers::TagHelper
Defined in:
lib/headshop/meta_tag_helper.rb

Instance Method Summary collapse

Instance Method Details

#apply_base_tag(key, meta_data) ⇒ Object 



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# File 'lib/headshop/meta_tag_helper.rb', line 31

def apply_base_tag(key, meta_data)
  if Headshop.meta_data.has_key?('base_meta') && Headshop.meta_data['base_meta'].has_key?(key)
    "#{Headshop.meta_data['base_meta'][key]} #{meta_data}"
  else
    meta_data
  end
end

#find_meta_data_for(controller, action) ⇒ Object 



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# File 'lib/headshop/meta_tag_helper.rb', line 10

def find_meta_data_for(controller, action)    
  controller_path = controller.split('/')
  md = Headshop.meta_data
  has_controller_meta_data = true
  
  controller_path.each do |key|
    has_controller_meta_data = has_controller_meta_data & md.has_key?(key)
    md = md[key] if has_controller_meta_data
  end

  md[action] if has_controller_meta_data && md.has_key?(action)
end

#get_meta_data_for(controller, action) ⇒ Object 



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# File 'lib/headshop/meta_tag_helper.rb', line 23

def get_meta_data_for(controller, action)
  if meta_data = find_meta_data_for(controller, action)
    meta_data
  else
    Headshop.meta_data['default_meta']
  end
end

#meta_tag ⇒ Object 



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# File 'lib/headshop/meta_tag_helper.rb', line 6

def meta_tag
  write_meta_data(get_meta_data_for(controller_path, action_name))
end

#write_meta_data(meta_data) ⇒ Object 



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# File 'lib/headshop/meta_tag_helper.rb', line 39

def write_meta_data meta_data
  display_meta = meta_data.collect { |meta| tag(:meta, {:name => meta[0], :content => apply_base_tag(meta[0], meta[1])}, false, false) }
  display_meta.push(content_tag(:title, apply_base_tag('title', meta_data['title']), nil, false)) if meta_data.has_key?('title')
  display_meta.join("\n").html_safe
end