Module: JT::Rails::Meta

Extended by:
ActiveSupport::Concern
Includes:
ActionView::Helpers::TagHelper
Defined in:
lib/jt-rails-meta.rb

Instance Method Summary collapse

Instance Method Details

#add_meta_extra(extra_params, previous_key = nil) ⇒ Object

Add meta other than title, description, keywords Params:

extra_params

hash containing the meta(s) wanted



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# File 'lib/jt-rails-meta.rb', line 124

def add_meta_extra(extra_params, previous_key = nil)
  for key, value in extra_params
    current_key = previous_key ? "#{previous_key}:#{key}" : key

    if value.is_a?(String) || value.is_a?(Symbol)
      @meta[:extra] << { name: current_key, content: value.to_s }
    elsif value.is_a?(Hash)
      add_meta_extra(value, current_key)
    elsif value.is_a?(Array)
      for v in value
        @meta[:extra] << { name: current_key, content: v.to_s }
      end
    end
  end
end

#add_meta_keywords(keywords) ⇒ Object

Add custom keywords to the meta keywords, must be call before ‘set_meta_keywords` Params:

keywords

array of keywords added to the default keywords



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# File 'lib/jt-rails-meta.rb', line 111

def add_meta_keywords(keywords)
  if keywords.is_a?(String)
    @meta[:keywords] = keywords
  elsif keywords.is_a?(Array)
    @meta[:keywords] = keywords.join(',')
  end

  set_meta_keywords
end

#add_meta_link(rel, href, options = {}) ⇒ Object

Add links to meta, used for add ‘canonicalæ or ’publisher’ links



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# File 'lib/jt-rails-meta.rb', line 141

def add_meta_link(rel, href, options = {})
  options.merge!(rel: rel, href: href)
  @meta[:links] << {options: options}
end

#add_meta_link_alternate(url, lang) ⇒ Object 



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# File 'lib/jt-rails-meta.rb', line 160

def add_meta_link_alternate(url, lang)
  add_meta_link 'alternate', url, hreflang: lang
end

#add_meta_link_author(url) ⇒ Object 



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# File 'lib/jt-rails-meta.rb', line 152

def add_meta_link_author(url)
  add_meta_link 'author', url
end

#add_meta_link_canonical(url) ⇒ Object

Helpers



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# File 'lib/jt-rails-meta.rb', line 148

def add_meta_link_canonical(url)
  add_meta_link 'canonical', url
end

#add_meta_link_publisher(url) ⇒ Object 



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# File 'lib/jt-rails-meta.rb', line 156

def add_meta_link_publisher(url)
  add_meta_link 'publisher', url
end

#meta_description ⇒ Object

Content of meta description



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# File 'lib/jt-rails-meta.rb', line 47

def meta_description
  @meta[:description] ||= set_meta_description
end

#meta_keywords ⇒ Object

Content of meta keywords



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# File 'lib/jt-rails-meta.rb', line 52

def meta_keywords
  @meta[:keywords] ||= set_meta_keywords
end

#meta_tags ⇒ Object

Generate HTML tags title, description, keywords and others meta



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# File 'lib/jt-rails-meta.rb', line 18

def meta_tags
  output = ''

  output << content_tag('title', meta_title)
  output << "\n"
  output << tag('meta', name: 'description', content: meta_description)
  output << "\n"
  output << tag('meta', name: 'keywords', content: meta_keywords)
  output << "\n"

  for link in @meta[:links]
    output << tag('link', link[:options])
    output << "\n"
  end

  for extra_params in @meta[:extra]
    output << tag('meta', name: extra_params[:name], content: extra_params[:content])
    output << "\n"
  end

  output.html_safe
end

#meta_title ⇒ Object

Content of meta title



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# File 'lib/jt-rails-meta.rb', line 42

def meta_title
  @meta[:title] ||= set_meta_title
end

#meta_title_raw ⇒ Object

Content of meta title without suffix or prefix



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# File 'lib/jt-rails-meta.rb', line 57

def meta_title_raw
  @meta[:title_raw]
end

#set_meta_description(options = {}) ⇒ Object

Generate meta description Use meta.default.description if no meta found for the current controller/action Params:

options

options passed to I18n



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# File 'lib/jt-rails-meta.rb', line 84

def set_meta_description(options = {})
  @meta[:description] = I18n.translate("#{meta_key}.description", options)
  @meta[:description] = I18n.translate('meta.default.description') if !have_translation?(@meta[:description])
  @meta[:description]
end

#set_meta_keywords(options = {}) ⇒ Object

Generate meta keywords Use meta.default.keywords if no meta found for the current controller/action Params:

options

options passed to I18n



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# File 'lib/jt-rails-meta.rb', line 94

def set_meta_keywords(options = {})
  keywords = I18n.translate("#{meta_key}.keywords", options)
  keywords = I18n.translate('meta.default.keywords') if !have_translation?(keywords)
  keywords = '' if !have_translation?(keywords)

  if @meta[:keywords].blank?
    @meta[:keywords] = keywords
  else
    @meta[:keywords] << ',' << keywords
  end

  @meta[:keywords]
end

#set_meta_title(options = {}) ⇒ Object

Generate meta title Use meta.default.title if no meta found for the current controller/action Params:

options

options passed to I18n



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# File 'lib/jt-rails-meta.rb', line 65

def set_meta_title(options = {})
  @meta[:title_raw] = I18n.translate("#{meta_key}.title", options)

  if have_translation?(@meta[:title_raw])
    @meta[:title] = "#{@meta[:prefix]}#{@meta[:title_raw]}#{@meta[:suffix]}"
  else
    @meta[:title] = I18n.translate("#{meta_key}.full_title", options)
    @meta[:title] = I18n.translate('meta.default.title') if !have_translation?(@meta[:title])

    @meta[:title_raw] = @meta[:title]
  end
  
  @meta[:title]
end