Module: Artifact::Helpers

Defined in:
lib/artifact/helpers.rb

Instance Method Summary collapse

Instance Method Details

#action ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 15

def action
  request.path_info.gsub('/','').empty? ? 'home' : request.path_info.gsub('/',' ')
end

#active?(link) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/artifact/helpers.rb', line 62

def active?(link)
  request.path[link] ? 'active' : ''
end

#app_name ⇒ Object

main



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# File 'lib/artifact/helpers.rb', line 11

def app_name
  'Artifact'
end

#delete_link(resource, options = {}) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 82

def delete_link(resource, options = {})
  css_class = options[:class] || ''
  text = options[:text] || 'Delete'
  path = url_for(resource)
  '<form class="destroy" style="display:inline" method="post" action="'+ path +'" onsubmit="return confirm(\'Are you sure?\');">
    <input type="hidden" name="_method" value="delete" />
    <button type="submit" class="' + css_class +' btn btn-danger">' + text + '</button>
  </form>'
end

#get_class_name(klass) ⇒ Object

paths, links



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# File 'lib/artifact/helpers.rb', line 45

def get_class_name(klass)
  klass.name.to_s.split("::").last
end

#guess_model_path(m) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 49

def guess_model_path(m)
  '/' + get_class_name(m).pluralize.downcase
end

#in_words(time) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 92

def in_words(time)
  minutes = (((Time.now - time).abs)/60).round
  return nil if minutes < 0

  case minutes
    when 0..1            then 'less than a minute'
    when 2..4            then 'less than 5 minutes'
    when 5..14           then 'less than 15 minutes'
    when 15..29          then "half an hour"
    when 30..59          then "#{minutes} minutes"
    when 60..119         then '1 hour'
    when 120..239        then '2 hours'
    when 240..479        then '4 hours'
    when 480..719        then '8 hours'
    when 720..1439       then '12 hours'
    when 1440..11519     then "#{(minutes/1440).floor} days"
    when 11520..43199    then "#{(minutes/11520).floor} weeks"
    when 43200..525599   then "#{(minutes/43200).floor} months"
    else                      "#{(minutes/525600).floor} years"
  end
end

#is_image?(filename) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/artifact/helpers.rb', line 71

def is_image?(filename)
  filename.match(/\.(png|jpg|jpeg|gif|bmp)$/i)
end

#link_to(string, resource) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 58

def link_to(string, resource)
  "<a href='#{url_for(resource)}'>#{string}</a>"
end

#partial(name, *args) ⇒ Object

rendering



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# File 'lib/artifact/helpers.rb', line 31

def partial(name, *args)
  partial_name = name.to_s["/"] ? name.to_s.reverse.sub("/", "_/").reverse : "_#{name}"
  erb(partial_name.to_sym, {:layout => false}, *args)
end

#post_preview_path(post) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 75

def post_preview_path(post)
  str = post.path.sub(Artifact.config.source_root, '')
  if Artifact.config.directory_indexes
    str.sub(post.filename, post.filename.split('.').first)
  end
end

#requires!(required, hash = params) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 19

def requires!(required, hash = params)
  if required.is_a?(Hash)
    required.each { |k, vals| requires!(vals, hash[k]) }
  elsif hash.nil? or hash.is_a?(String) or required.any?{ |p| hash[p].nil? }
    halt(400, 'Missing parameters.')
  end
end

#time_ago_in_words(time) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 114

def time_ago_in_words(time)
  if str = in_words(time)
    "#{str} ago"
  end
end

#upload_relative_path(file) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 66

def upload_relative_path(file)
  # we need to start with a /, otherwise middleman will insert his image_path as prefix
  '/' + Artifact.config.uploads_path + file.path.sub(Artifact.uploads.path, '')
end

#url_for(object) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 53

def url_for(object)
  object.nil? ? "#" : object.is_a?(String) ? object \
  : object.respond_to?(:path) ? url(object.path) : url("#{guess_model_path(object.class)}/#{object.to_param}")
end

#view(view_name, *args) ⇒ Object 



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# File 'lib/artifact/helpers.rb', line 36

def view(view_name, *args)
  layout = request.xhr? ? false : @mobile_host ? :'layout.mobile' : true
  erb(view_name.to_sym, {:layout => layout}, *args)
end