Module: RbbtRESTHelpers

Defined in:
lib/rbbt/rest/common/misc.rb,
lib/rbbt/rest/common/cache.rb,
lib/rbbt/rest/common/forms.rb,
lib/rbbt/rest/common/table.rb,
lib/rbbt/rest/common/locate.rb,
lib/rbbt/rest/common/render.rb,
lib/rbbt/rest/common/resources.rb

Defined Under Namespace

Classes: Retry, TemplateMissing

Constant Summary collapse

PAGE_SIZE = 
20
MEMORY_CACHE = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#javascript_resources ⇒ Object

Returns the value of attribute javascript_resources.



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# File 'lib/rbbt/rest/common/locate.rb', line 2

def javascript_resources
  @javascript_resources
end

#plugin_resources ⇒ Object

Returns the value of attribute plugin_resources.



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# File 'lib/rbbt/rest/common/locate.rb', line 2

def plugin_resources
  @plugin_resources
end

#sass_resources ⇒ Object

Returns the value of attribute sass_resources.



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# File 'lib/rbbt/rest/common/locate.rb', line 2

def sass_resources
  @sass_resources
end

#template_resources ⇒ Object

Returns the value of attribute template_resources.



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# File 'lib/rbbt/rest/common/locate.rb', line 2

def template_resources
  @template_resources
end

Class Method Details

.add_sass_load_path(path) ⇒ Object

{{{ SASS



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# File 'lib/rbbt/rest/common/locate.rb', line 56

def self.add_sass_load_path(path)
  Sass::Engine::DEFAULT_OPTIONS[:load_paths].unshift path
end

.file_resources ⇒ Object

{{{ TEMPLATE



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# File 'lib/rbbt/rest/common/locate.rb', line 33

def self.file_resources
  @file_resources ||= template_resources
end

.javascript_resources ⇒ Object

{{{ JAVASCRIPT



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# File 'lib/rbbt/rest/common/locate.rb', line 83

def self.javascript_resources
  @javascript_resources ||= [Rbbt.share.views.public.find(:lib), Rbbt.share.views.public.js.find(:lib)]
end

.load_tsv(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 331

def self.load_tsv(file)
  tsv = TSV.open(Open.open(file))

  table_options = File.exists?(file + '.table_options') ? YAML.load_file(file + '.table_options') : {}
  tsv.entity_options = table_options[:tsv_entity_options]
  headers = table_options[:headers]
  headers.each{|field,p| tsv.entity_templates[field] = Misc.prepare_entity("TEMPLATE", p.first, (tsv.entity_options || {}).merge(p.last)) } unless headers.nil?

  [tsv, table_options]
end

.sass_resources ⇒ Object 



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# File 'lib/rbbt/rest/common/locate.rb', line 60

def self.sass_resources
  @sass_resources ||= [Rbbt.share.views.compass.find(:lib)]
end

.save_tsv(tsv, path) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 314

def self.save_tsv(tsv, path)
  Open.write(path, tsv.to_s)
  table_options = {:tsv_entity_options => tsv.entity_options}
  if tsv.entity_templates and tsv.entity_templates.any?
    table_options[:headers] ||= {}
    tsv.entity_templates.each do |field,template|
      next if table_options[:headers].include? field
      info = template.info
      info.delete :format
      info.delete :annotation_types
      info.delete :annotated_array
      table_options[:headers][field] = [template.annotation_types.last.to_s, info]
    end
  end
  Open.write(path + '.table_options', table_options.to_yaml )
end

.template_resources ⇒ Object

{{{ TEMPLATE



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# File 'lib/rbbt/rest/common/locate.rb', line 8

def self.template_resources
  @template_resources ||= [Rbbt.share.views.find(:lib)]
end

Instance Method Details

#add_GET_param(url, param, value) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 225

def add_GET_param(url, param, value)
  if url =~ /\?.+=/
    url + "&#{ param }=#{ value }"
  else
    url + "?#{ param }=#{ value }"
  end
end

#cache(name, params = {}, &block) ⇒ Object 



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# File 'lib/rbbt/rest/common/cache.rb', line 16

def cache(name, params = {}, &block)
  @cache_type ||= params.delete :cache_type if params[:cache_type]
  return yield if name.nil? or @cache_type.nil? or @cache_type == :none

  send_file = consume_parameter(:_send_file, params)

  # Setup Step
  
  check = [params[:_template_file]].compact
  check += consume_parameter(:_cache_check, params) || []
  check.flatten!
  
  orig_name = name
  name += "_" << Misc.hash2md5(params) if params.any?

  path = params[:cache_file] || settings.cache_dir[name].find
  task = Task.setup(:name => orig_name, :result_type => :string, &block)

  step = Step.new(path, task, nil, nil, self)

  halt 200, step.info.to_json if @format == :info

  self.instance_variable_set("@step", step)

  if @file
    send_file step.file(@file), :filename => @file
  end

  # Clean/update job

  if old_cache(step.path, check) or update == :reload
    begin
      pid = step.info[:pid] 
      step.abort if pid and Misc.pid_exists?(pid) and not pid == Process.pid
      step.pid = nil
    rescue Exception
      Log.medium{$!.message}
    end
    step.clean 
  end

  clean_url = request.url
  clean_url = remove_GET_param(clean_url, :_update)
  clean_url = remove_GET_param(clean_url, :_)

  class << step; def url; @url; end; end
  step.instance_variable_set(:@url, clean_url)

  # Issue
  if not step.started?
    if cache_type == :synchronous or cache_type == :sync
      step.run 
    else
      step.fork
      step.soft_grace
    end
  end

  # Return fragment

  if @fragment
    fragment_file = step.file(@fragment)
    if File.exists?(fragment_file)
      case @format.to_s
      when "table"
        halt 200, tsv2html(fragment_file)
      when "json"
        halt 200, tsv_process(load_tsv(fragment_file).first).to_json
      when "tsv"
        content_type "text/tab-separated-values"
        halt 200, tsv_process(load_tsv(fragment_file).first).to_s
      when "values"
        tsv = tsv_process(load_tsv(fragment_file).first)
        list = tsv.values.flatten
        content_type "application/json" 
        halt 200, list.compact.to_json
      when "entities"
        orig_tsv = load_tsv(fragment_file).first
        tsv = tsv_process(orig_tsv)
        list = tsv.values.flatten
        tsv.prepare_entity(list, tsv.fields.first, tsv.entity_options)
        type = list.annotation_types.last
        list_id = "List of #{type} in table #{ @fragment }"
        list_id << " (#{ @filter })" if @filter
        Entity::List.save_list(type.to_s, list_id, list, user)
        header "Location", Entity::REST.entity_list_url(list_id, type)
        url = Entity::REST.entity_list_url(list_id, type)
        url = url + '?_layout=false' unless @layout
        redirect to(url)
      when "map"
        tsv = tsv_process(load_tsv(fragment_file).first)
        type = tsv.keys.annotation_types.last
        column = tsv.fields.first
        map_id = "Map #{type}-#{column} in #{ @fragment }"
        map_id << " (#{ @filter.gsub(';','|') })" if @filter
        Entity::Map.save_map(type.to_s, column, map_id, tsv, user)
        url = Entity::REST.entity_map_url(map_id, type, column)
        url = url + '?_layout=false' unless @layout
        redirect to(url)
      when "excel"
        require 'rbbt/tsv/excel'
        tsv = load_tsv(fragment_file).first
        content_type "text/html"
        data = nil
        excel_file = TmpFile.tmp_file
        tsv.excel(excel_file, :sort_by => @excel_sort_by, :sort_by_cast => @excel_sort_by_cast, :name => true)
        send_file excel_file, :type => 'application/vnd.ms-excel', :filename => 'table.xls'
      else
        send_file fragment_file
      end
    else
      if File.exists?(fragment_file + '.error') 
        klass, _sep, message = Open.read(fragment_file + '.error').partition(": ")
        raise Kernel.const_get(klass), message || "no message"
        #halt 500, html_tag(:span, File.read(fragment_file + '.error'), :class => "message") + 
        #  html_tag(:ul, File.read(fragment_file + '.backtrace').split("\n").collect{|l| html_tag(:li, l)} * "\n", :class => "backtrace") 
      else
        halt 202, "Fragment not completed"
      end
    end
  end

  if update == :reload
    redirect to(clean_url)
  end

  # Monitor
  
  begin

    if step.done?
      case
      when @permalink
        redirect to(permalink(step.path))
      when send_file
        send_file step.path
      else
        step.load
      end
    else

      case step.status
      when :error, :aborted
        error_for step, !@ajax

      else
        # check for problems
        begin
          check_step step
        rescue Aborted
          raise RbbtRESTHelpers::Retry
        end

        #if File.exists?(step.info_file) and Time.now - File.atime(step.info_file) > 60
        #  Log.debug{ "Checking on #{step.info_file}" }
        #  running = (not step.done?) and step.running?
        #  if FalseClass === running
        #    Log.debug{ "Aborting zombie #{step.info_file}" }
        #    step.abort unless step.done?
        #    raise RbbtRESTHelpers::Retry
        #  end
        #  FileUtils.touch(step.info_file)
        #end

        wait_on step, false
      end
    end
  rescue RbbtRESTHelpers::Retry
    retry
  end
end

#check_step(step) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 6

def check_step(step)
  if File.exists?(step.info_file) and Time.now - File.atime(step.info_file) > 60
    Log.debug{ "Checking on #{step.info_file}" }
    running = (not step.done?) and step.running?
    if FalseClass === running
      if step.done?
        Log.debug{ "Not aborting zombie #{step.info_file}: it is done" }
      else
        Log.debug{ "Aborting zombie #{step.info_file}" }
        step.abort 
        raise Aborted, "Zombie job aborted"
      end
    end
    FileUtils.touch(step.info_file)
  end
end

#consume_parameter(parameter, params = nil) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 110

def consume_parameter(parameter, params = nil)
  params = self.params if params.nil?

  val = params.delete(parameter.to_sym) 
  val = params.delete(parameter.to_s) if val.nil?

  val = nil if String === val and val.empty?

  val
end

#development? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbbt/rest/common/misc.rb', line 33

def development?
  ENV["RACK_ENV"] == "develoment"
end

#error_for(job, layout = nil) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 6

def error_for(job, layout = nil)
  if ex = job.info[:exception]
    klass = ex[:class]
    msg = ex[:message]
    bkt = ex[:backtrace]
  else
    klass = "Exception"
    msg = job.messages[-1]
    bkt = []
  end

  code = klass.to_s == "ParameterException" ? 400 : 500
  case @format
  when :json
    halt code, {"message" => msg, "backtrace" => bkt}.to_json
  when :html
    layout = @layout if layout.nil?
    layout_file = (layout ? locate_template('layout') : nil)
    template_file = locate_template('error')

    result = render template_file, {:job => job}, layout_file

    halt code, result
  else
    content_type :text
    halt code, "#{klass}: " << msg << "\nBacktrace: " << bkt * "\n"
  end
end

#file_or_text_area(id, name, value, tsv = false) ⇒ Object 



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# File 'lib/rbbt/rest/common/forms.rb', line 18

def file_or_text_area(id, name, value, tsv = false)
  text_area_string = tsv ? "or use the text area below (you may use ',' intead of tabs)" : "or use the text area below"

  html_tag("input", nil, :type => "file", :id => (id.nil? ? nil : id +  "__" + "param_file"), :name => name.to_s + "__" + "param_file") + 
  html_tag("span", text_area_string, :class => "file_or_text_area") + 
  html_tag("textarea", value || "" , :name => name, :id => id )
end

#file_resources ⇒ Object 



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# File 'lib/rbbt/rest/common/locate.rb', line 37

def file_resources
 [Rbbt.www.views] + RbbtRESTHelpers.file_resources
end

#filter(field, type = :string) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 309

def filter(field, type = :string)
  @table_filters ||= {}
  @table_filters[field] = type
end

#fix_input(type, value, param_file = nil) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 121

def fix_input(type, value, param_file = nil)
  case type

  when nil, :string, :select
    value

  when :integer
    value.to_i

  when :float
    value.to_f

  when :multiple
    value.keys

  when :boolean
    param2boolean(value)

  when :text, :file
    if param_file and (value.nil? or (String === value and value.empty?))
      param_file[:tempfile].read
    else
      case value
      when String
        value.gsub(/\r\n/, "\n")
      when File, IO
        value
      when Hash
        value[:tempfile]
      else
        raise "Missing class for #{ type }: #{ Misc.fingerprint value }"
      end
    end

  when :array
    text = if param_file and (value.nil? or (String === value and value.empty?))
             param_file[:tempfile].read
           else
             value
           end

    case
    when Array === text
      text
    when text =~ /^list:([^:]+):(.+)$/
      Entity::List.load_list($1, $2, user)
    when text =~ /^\[.*\]$/sm
      JSON.parse(text)
    when text =~ /\n/
      text.split(/\r?\n/).collect{|l| l.strip}
    when text =~ /\|/
      text.split(/\|/).collect{|l| l.strip}
    when IO === text
      text
    when Hash === text
      io = text[:tempfile].open
      class << io
        attr_accessor :filename
      end
      io.filename = text[:filename]
      io
    else
      text.split(/,/).collect{|l| l.strip}
    end

  when :tsv
    if param_file and (value.nil? or (String === value and value.empty?))
      TSV.open(param_file[:tempfile].open)
    else
      TSV.open(StringIO.new(value), :sep=>/\t|,/)
    end
  end
end

#form_input(name, type, default = nil, current = nil, description = nil, id = nil, extra = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/forms.rb', line 26

def form_input(name, type, default = nil, current = nil, description = nil, id = nil, extra = {})
  html_options = consume_parameter(:html_options, extra) || {}

  no_file = extra[:no_file] if extra

  case type
  when :multiple
    choices = consume_parameter(:choices, extra)
    default = default.collect{|o| o.to_s} if default
    current = current.collect{|o| o.to_s} if current
    input_label(id, name, description, Array === default ? default * ", " : nil, extra) +
      choices.collect do |choice|
        choice_name = name.to_s + "[#{ choice }]"
      
        check_true = (current && current.include?(choice.to_s)) || (default && default.include?(choice.to_s))

        check_true = false if check_true.nil?
          check_false = ! check_true
          
          choice_id = id + "[#{ Misc.snake_case(choice) }]"
          if id
            false_id = choice_id + '_false'
            true_id  = choice_id + '_true'
          else
            false_id = nil
            true_id = nil
          end

            choice_html = html_tag("input", nil, :type => :checkbox, :checked => check_true, :name => choice_name, :value => "true", :id => choice_id) +
              input_label(choice_id, choice, choice, nil, extra.merge({:class => :inline})) 

            html_tag('span', choice_html, :class => 'choice')
        end * "\n"


  when :boolean
    current = param2boolean(current) unless current.nil?
    default = param2boolean(default) unless default.nil?

    check_true = current.nil? ? default : current
    check_true = false if check_true.nil?
    check_false = ! check_true
    
    if id
      false_id = id + '__' << 'false'
      true_id = id + '__' << 'true'
    else
      false_id = nil
      true_id = nil
    end

    input_label(id, name, description, default, extra) +
      html_tag("input", nil, :type => :checkbox, :checked => check_true, :name => name, :value => "true", :id => id) +
      html_tag("input", nil, :type => :hidden, :name => name.to_s + "_checkbox_false", :value => "false") 

  when :string, :float, :integer, :hidden
    value = current.nil?  ? default : current

    input_type = case type
                 when :string
                   "text"
                 when :hidden
                   "hidden"
                 else
                   "number"
                 end

    step = case type
           when :string
             nil
           when :float
             "any"
           when :integer
             1
           end

    input_label(id, name, description, default, extra) +
    html_tag("input", nil, html_options.merge(:type => input_type, :name => name, :value => value, :id => id, :step => step))

  when :tsv, :array, :text, :file
    value = current.nil? ? default : current
    value = value * "\n" if Array === value

    if no_file
      input_label(id, name, description, nil, extra) +
        html_tag("textarea", value || "" , :name => name, :id => id )
    else
      input_label(id, name, description, nil, extra) +
        file_or_text_area(id, name, value, type == :tsv)
    end

  when :select
    value = current.nil? ? default : current

    allow_empty = consume_parameter :allow_empty, extra
    select_options = consume_parameter :select_options, extra
    
    if select_options 
      options = select_options.collect do |option|
        option, option_name = option if Array === option
        option_name = option if option_name.nil?
        html_tag('option', option_name, :value => option, :selected => option.to_s == value.to_s)
      end 
    else
      options = []
    end

    options.unshift html_tag('option', 'none', :value => 'none', :selected => value.to_s == 'none') if allow_empty

    input_label(id, name, description, default, extra) +
      html_tag('select', options * "\n", html_options.merge(:name => name, :id => id, "attr-selected" => (value ? value.to_s : "")))
  else
    "<span> Unsupported input #{name} #{type} </span>"
  end
end

#fragment(link = nil, &block) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 95

def fragment(link = nil, &block)
  fragment_code, link = [link.to_s, nil] if link and not link.to_s[0] == '<'
  text = fragment_code if fragment_code

  if block_given?
    if defined? @step and (@cache_type == :asynchronous or @cache_type == :async)

      fragment_code ||= (rand * 100000).to_i.to_s
      fragment_file = @step.file(fragment_code)

      pid = @step.child{
        begin
          res = capture_haml &block
          Open.write(fragment_file, res)
          Log.low("Fragment done: #{ fragment_file }")
        rescue Exception
          Open.write(fragment_file + '.error', [$!.class.to_s, $!.message] * ": ")
          Open.write(fragment_file + '.backtrace', $!.backtrace * "\n") if $!.backtrace
          Log.error("Error in fragment: #{ fragment_file }")
          Log.exception $!
          Kernel.exit! -1
        end
        Kernel.exit! 0
      }

      url = request.fullpath
      url = remove_GET_param(url, "_update")
      url = remove_GET_param(url, "_")
      fragment_url = add_GET_param(url, "_fragment", fragment_code)
      if link.nil?
        html_tag('a', "", :href => fragment_url, :class => 'fragment', "data-text" => text)
      else
        if link =~ / href=/
          link = link.sub(/ href=('|")/," href='#{fragment_url}'")
        else
          link = link.sub(/<a /,"<a href='#{fragment_url}' ")
        end

        if text
          link.sub(/<a /,"<a data-text='#{text}' ")
        else
          link
        end
      end
    else
      capture_haml &block
    end
  else
    if link =~ / class=/
      link = link.sub(/ class=('|")/,' class=\1fragment ')
    else
      link = link.sub(/<a /,'<a class="fragment" ')
    end
    
    if text
      link.sub(/<a /,"<a data-text='#{text}' ")
    else
      link
    end
  end
end

#hash2dl(hash, options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 233

def hash2dl(hash, options = {})
  entries = hash.collect{|k,v|
    v = v * ", " if Array === v
    html_tag(:dt, k) +
    html_tag(:dd, v)
  } * "\n"
  html_tag(:dl, entries, options)
end

#header(field, entity_type, entity_options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 304

def header(field, entity_type, entity_options = {})
  @table_headers ||= {}
  @table_headers[field] = [entity_type, entity_options]
end

#html_tag(*args) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 217

def html_tag(*args)
  Misc.html_tag(*args)
end

#input_label(id, name, description = nil, default = nil, options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/forms.rb', line 5

def input_label(id, name, description = nil, default = nil, options = {})
  options ||= {}
  text = consume_parameter :label, options

  if text.nil?
    text = name.to_s
    text += html_tag('span', " (default: " << default.to_s << ")", :class => 'input_default') unless default.nil?
  end

  label_id = id.nil? ? nil : 'label_for__' << id
  html_tag('label', text, {:id => label_id, :for => id, :title => description}.merge(options))
end

#link_css(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 22

def link_css(file)
  file += '.css' unless file =~ /.css$/
  file << "?_update=reload" if @debug_css
  html_tag('link', nil, :rel => 'stylesheet', :type => 'text/css', :href => file)
end

#link_js(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 28

def link_js(file)
  file += '.js' unless file =~ /.js$/
  html_tag('script', " ", :src => file, :type => 'text/javascript')
end

#load_tsv(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 347

def load_tsv(file)
  RbbtRESTHelpers.load_tsv(file)
end

#locate_file(file) ⇒ Object

Raises:



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# File 'lib/rbbt/rest/common/locate.rb', line 45

def locate_file(file)
  file_resources.each do |resource|
    path = locate_file_from_resource(resource, file)
    return path if path.exists?
  end

  raise TemplateMissing, "File #{ file } not found"
end

#locate_file_from_resource(resource, file) ⇒ Object 



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# File 'lib/rbbt/rest/common/locate.rb', line 41

def locate_file_from_resource(resource, file)
  resource[file]
end

#locate_javascript(script) ⇒ Object

Raises:



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# File 'lib/rbbt/rest/common/locate.rb', line 98

def locate_javascript(script)
  javascript_resources.each do |resource|
    path = locate_javascript_from_resource(resource, script)
    return path if path.exists?
  end

  raise TemplateMissing, "Script #{ script } not found"
end

#locate_javascript_from_resource(resource, script) ⇒ Object 



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# File 'lib/rbbt/rest/common/locate.rb', line 92

def locate_javascript_from_resource(resource, script)
  path = resource[script + '.js']
  return path if path.exists?
  resource[script]
end

#locate_sass(template) ⇒ Object

Raises:



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# File 'lib/rbbt/rest/common/locate.rb', line 72

def locate_sass(template)
  sass_resources.each do |resource|
    path = locate_sass_from_resource(resource, template)
    return path if path.exists?
  end

  raise TemplateMissing, "Sass template #{ template } not found"
end

#locate_sass_from_resource(resource, template) ⇒ Object 



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# File 'lib/rbbt/rest/common/locate.rb', line 68

def locate_sass_from_resource(resource, template)
  resource[template + '.sass']
end

#locate_template(template) ⇒ Object

Raises:



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# File 'lib/rbbt/rest/common/locate.rb', line 20

def locate_template(template)
  return Path.setup(template) if Open.exists?(template)
  return Path.setup(template+'.haml') if Open.exists?(template+'.haml')
  template_resources.each do |resource|
    path = locate_template_from_resource(resource, template)
    return path if path.exists?
  end

  raise TemplateMissing, "Template #{ template } not found"
end

#locate_template_from_resource(resource, template) ⇒ Object 



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# File 'lib/rbbt/rest/common/locate.rb', line 16

def locate_template_from_resource(resource, template)
  resource[template + '.haml']
end

#log(status, message = nil) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 25

def log(status, message = nil)
  if @step
    @step.log(status, message)
  else
    Log.info{ "[#{ status }] #{ message }" }
  end
end

#modal_fragment(text, &block) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 157

def modal_fragment(text, &block)
  link = "<a class='modal_fragment'>#{text}</a>"
  fragment(link, &block)
end

#old_cache(path, check) ⇒ Object 



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# File 'lib/rbbt/rest/common/cache.rb', line 9

def old_cache(path, check)
  return false if check.nil? or check.empty?
  return false if not File.exists? path
  check = [check] unless Array === check
  return check.select{|file| not File.exists?(file) or File.mtime(file) > File.mtime(path)}.any?
end

#paginate(object, page = nil, just_keys = false) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 157

def paginate(object, page = nil, just_keys = false)
  return object unless TSV === object and not page.nil?

  return object if page == "all" or page.nil?
  num, size, field = parse_page(page)


  if field and field[0] == "-"[0]
    field = field[1..-1]
    reverse = true
  else
    reverse = false
  end

  field =  CGI.unescapeHTML(Entity::REST.restore_element(field))

  if object.entity_templates[field]
    entity = object.entity_templates[field].annotation_types.last
  else
    entity = Entity.formats[field] 
  end

  num = num.to_i
  size = size.to_i
  max = (object.size / size) + 1

  num = max if num > max
  num = - max if num < - max

  object.with_unnamed do
    if entity and entity.respond_to? :tsv_sort
      object.page(num, size, field, false, reverse, &entity.method(:tsv_sort))
    else
      object.page(num, size, field, false, reverse)
    end
  end
end

#param2boolean(value) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 206

def param2boolean(value)
  case value
  when "true", "True", "TRUE", "T", "yes", "Yes", "y", "Y"
    true
  when "false", "False", "FALSE", "F", "no", "No", "N", "n"
    false
  else
    value
  end
end

#parse_page(page) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 146

def parse_page(page)
  num, size, field = page.split("~").values_at 0, 1, 2

  field, size = size, nil if field.nil?

  field = "key" if field.nil? or field.empty?
  size = PAGE_SIZE if size.nil? or size.empty?

  [num, size, field]
end

#partial_render(template, locals = {}, cache = nil, cache_options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 90

def partial_render(template, locals = {}, cache = nil, cache_options = {})
  template_file = locate_template(template)
  render(template_file, locals, nil, cache, cache_options)
end

#permalink(path) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 242

def permalink(path)
  id = Misc.digest(Time.now.to_s)
  dest = File.join(settings.permalink_dir, id)
  FileUtils.mkdir_p settings.permalink_dir unless File.exists? settings.permalink_dir
  FileUtils.ln_s(path, dest)
  "/permalink/#{ id }"
end

#prepare_input(params, input, type) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 195

def prepare_input(params, input, type)
  value = consume_parameter(input, params)
  param_file = consume_parameter(input.to_s + '__param_file', params)
  return nil if value.nil? and param_file.nil?

  fixed_value = fix_input(type, value, param_file)

  fixed_value
end

#process_common_parameters ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 41

def process_common_parameters
  @ajax = request.xhr?
  @ajax_url = headers["AJAX-URL"]

  @fullpath = request.fullpath

  @layout = consume_parameter(:_layout)

  @layout = false if @layout.nil? and     @ajax
  @layout = true  if @layout.nil? and not @ajax
  @layout = false if @layout == "false"
  @layout = true  if @layout == "true"

  @format = consume_parameter(:_format)
  @format = :html if @format.nil?
  @format = @format.to_sym if String === @format


  @size = consume_parameter(:_size)
  @size = @size.to_sym if String === @size

  @update = consume_parameter(:_update) unless @update
  @update = @update.to_sym if String === @update

  @profile = consume_parameter(:_profile) unless @profile
  @profile = @profile.to_sym if String === @profile

  @cache_type = consume_parameter(:_cache_type)
  @cache_type = @cache_type.to_sym if String === @cache_type

  @debug_js = consume_parameter(:_debug_js)
  @debug_js = false if @debug_js.nil? or @debug_js == "false"

  @debug_css = consume_parameter(:_debug_css)
  @debug_css = false if @debug_css.nil? or @debug_css == "false"

  @_ = consume_parameter(:_)

  @fragment = consume_parameter(:_fragment)
  @file     = consume_parameter(:_file)

  @excel_use_name     = consume_parameter(:_excel_use_name)
  @excel_sort_by      = consume_parameter(:_excel_sort_by)
  @excel_sort_by_cast = consume_parameter(:_excel_sort_by_cast)
  @excel_use_name = true if @excel_use_name.nil?

  @splat = consume_parameter :splat
  @captures = consume_parameter :captures

  # TSV table pagination, filtering, and slicing
  @page = consume_parameter :_page
  @filter = consume_parameter :_filter
  @column = consume_parameter :_column

  # Fix boolean inputs sumbitted using checkboxes
  params.keys.each do |param|
    if param =~ /(.*)_checkbox_false$/
      params[$1] = false if params[$1].nil?
      params.delete param
    end
  end

  @array_separator = consume_parameter(:_array_separator) || ','

  @permalink = consume_parameter :_permalink

  @clean_params = params.dup
end

#production? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbbt/rest/common/misc.rb', line 37

def production?
  settings.environment && settings.environment.to_s == 'production'
end

#record_css(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 18

def record_css(file)
  recorded_css_files << file
end

#record_js(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 14

def record_js(file)
  recorded_js_files << file
end

#recorded_css_files ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 9

def recorded_css_files
  @recorded_css_files ||= []
end

#recorded_js_files ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 5

def recorded_js_files
  @recorded_js_files ||= []
end

#remove_GET_param(url, param) ⇒ Object 



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# File 'lib/rbbt/rest/common/misc.rb', line 221

def remove_GET_param(url, param)
  url.gsub(/&?#{param}=[^&]+/,'').sub(/\?$/, '')
end

#render(template_file, locals = {}, layout_file = nil, cache = nil, cache_options = {}) ⇒ Object

Raises:



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# File 'lib/rbbt/rest/common/render.rb', line 52

def render(template_file, locals = {}, layout_file = nil, cache = nil, cache_options = {})
  raise TemplateMissing, "Template #{ template_file } not found" unless template_file.exists?
  raise TemplateMissing, "Template #{ layout_file } not found" unless layout_file.nil? or layout_file.exists?
  layout_file = layout_file.find if layout_file.respond_to? :find
  template_file = template_file.find if template_file.respond_to? :find
  if layout_file
    Tilt::HamlTemplate.new(layout_file, :filename => layout_file, :ugly => production?).render(self, locals) do
      Log.debug{ "Rendering #{template_file} with layout" }
      cache(cache, locals.merge(:_template_file => template_file, :user => user).merge(cache_options)) do
        Tilt::HamlTemplate.new(template_file, :filename => template_file, :ugly => production?).render(self, locals)
      end
    end
  else
    Log.debug{ "Rendering #{template_file} without layout" }
    cache(cache, locals.merge(:_template_file => template_file, :user => user).merge(cache_options)) do
      Tilt::HamlTemplate.new(template_file, :filename => template_file, :ugly => production?).render(self, locals)
    end
  end
end

#render_partial(template_file, locals = {}, cache = nil, cache_options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 79

def render_partial(template_file, locals = {}, cache = nil, cache_options = {})
  render(template_file, locals, nil, cache, cache_options)
end

#render_sass(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 72

def render_sass(file)
  renderer = Sass::Engine.new(Open.read(file), :filename => file, 
                              :style => production? ? :compressed : nil, 
                              :debug_info => development? ? true : false)
  renderer.render
end

#resource(filename = nil, text = nil, type = nil, options = {}) {|f| ... } ⇒ Object

Yields:

  • (f) 


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# File 'lib/rbbt/rest/common/render.rb', line 162

def resource(filename = nil, text = nil, type = nil, options = {})
  case
  when filename.nil?
    filename = File.basename(TmpFile.tmp_file)
  when filename[0] == "."[0]
    extension = filename
    filename = File.basename(TmpFile.tmp_file) + extension
  end

  text ||= filename

  filename = Misc.sanitize_filename(filename)
  f = settings.file_dir[filename].find
  FileUtils.mkdir_p(File.dirname(f))
  yield(f)

  type ||= :link
  case type
  when :image
    "<img src='/files/#{ filename }' alt='#{text}' class='file_resource'/>"
  when :link
    "<a href='/files/#{ filename }' class='file_resource'>#{ text }</a>"
  when :linked_image
    "<a href='/files/#{ filename }' class='file_resource' target='_blank'><img src='/files/#{ filename }' class='file_resource'/></a>"
  when :zoomable_image
    id = options[:id] || Misc.digest(filename)
    width, height= [600, 600]
    "<div class='zoomable_image'><img id='#{id}' style='width:#{width}px; height:#{height}px' rel='/files/#{ filename }' src='/files/#{ filename }' class='file_resource'/></div>"
  when :mapped_image
    mapid = options[:mapid] || options[:id] + '_map'
    width, height= [300, 300]
    mapfile = f.sub(/\.[^.]+$/, '.html')
    "<div class='mapped_image'>#{Open.read(mapfile)}<img class='has_map' usemap='##{mapid}' rel='/files/#{ filename }' src='/files/#{ filename }' class='file_resource'/></div>"
  else
    raise "Type not understood: #{ type }"
  end
end

#reveal(text, id = nil, options = nil, &block) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 200

def reveal(text, id = nil, options = nil, &block)
  id ||= "rbbt_reveal_" << (rand * 10000).to_i.to_s

  content_html = capture_haml(&block)

  options = {} if options.nil?
  options = {:href => "#", "data-reveal-id" => 'modal1', 'attr-reveal_id' => id}.merge(options)
  options[:class] ||= ''
  options[:class] << ' rbbt_reveal_trigger'
  str = html_tag('a', text.to_s, options) << 
        "\n" <<
        html_tag('div', "\n" << content_html << "\n", :id => id, 'class' => 'rbbt_reveal_content') << 
        "\n"

  str
end

#save_tsv(file) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 342

def save_tsv(file)
  RbbtRESTHelpers.save_tsv(file)
end

#serve_css ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 68

def serve_css
  res = recorded_css_files.collect{|file|
    link_css(file)
  } * "\n"

  recorded_css_files.clear

  res
end

#serve_js(compress = true) ⇒ Object 



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# File 'lib/rbbt/rest/common/resources.rb', line 33

def serve_js(compress = true)
  if production? and compress and not @debug_js 
    md5 = Misc.digest(recorded_js_files * ",")
    filename = settings.file_dir["all_js-#{md5}.js"].find

    if not File.exists?(filename)
      Log.debug{ "Regenerating JS Compressed file: #{ filename }" }

      text = recorded_js_files.collect{|file| 
        begin
          path = locate_javascript(file)
        rescue
          path = locate_javascript(file.split("/")[2..-1] * "/")
        end

        Open.read(path)
      } * "\n"

      FileUtils.mkdir_p File.dirname(filename) unless File.exists? File.dirname(filename)
      Open.write(filename, Uglifier.compile(text))
    end

    res = "<script src='/files/#{File.basename(filename)}' type='text/javascript'></script>"
  else
    res = recorded_js_files.collect{|file|
      link_js(file)
    } * "\n"

  end

  recorded_js_files.clear

  res
end

#table(options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 351

def table(options = {})
  options = {} if options.nil?

  tsv = yield

  table_code = options[:table_id] || (rand * 100000).to_i.to_s
  table_code = Entity::REST.clean_element(table_code)
  table_code.sub!(/[^\w]/,'_')

  if @step
    table_file = @step.file(table_code) if @step

    url = add_GET_param(@fullpath, "_fragment", File.basename(table_file))
    url = remove_GET_param(url, "_update")
    url = remove_GET_param(url, "_layout")
    url = remove_GET_param(url, "_")
  end

  table_class = options[:table_class] || options[:class] || []
  table_class = [table_class] unless Array === table_class
  table_class << 'wide responsive' if tsv.fields.length > 4

  options[:url] = url
  options[:table_class] = table_class
  options[:tsv_entity_options] = tsv.entity_options

  if @table_headers and @table_headers.any?
    options[:headers] = @table_headers
    @table_headers = {}
  end

  if tsv.entity_templates and tsv.entity_templates.any?
    options[:headers] ||= {}
    tsv.entity_templates.each do |field,template|
      next if options[:headers].include? field
      next if template.nil?

      info = template.info
      info.delete :format
      info.delete :annotation_types
      info.delete :annotated_array

      options[:headers][field] = [template.annotation_types.last.to_s, info]
    end
  end

  if @table_filters and @table_filters.any?
    options[:filters] = @table_filters
    @table_filters = {}
  end

  if table_file
    Open.write table_file, tsv.to_s
    Open.write table_file + '.table_options', options.to_yaml if defined? options.any?

    total_size = tsv.size
    if options[:page].nil?  and total_size > PAGE_SIZE * 1.2
      @page = "1"
    else
      @page = options[:page]
    end
    tsv2html(table_file, options)
  else
    tsv2html(tsv, options)
  end
end

#table_value(value, type = nil, options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 278

def table_value(value, type = nil, options = {})
  options = {} if options.nil?
  return value.list_link :length, options[:list_id] if Array === value and options[:list_id] and value.respond_to? :list_link

  entity_options = options[:entity_options]

  Misc.prepare_entity(value, type, entity_options) if Entity.formats[type] and not options[:unnamed]

  value = value.link if value.respond_to? :link and not options[:unnamed]

  if Array === value and value.length > 100
    strip = value.length
    value = value[0..99]
  end

  res = if options[:span]
          Array === value ? value.collect{|v| "<span class='table_value'>#{v.to_s}</span>"} * ", " : "<span class='table_value'>#{value}</span>"
        else
          Array === value ? value.collect{|v| v.to_s} * ", " : value
        end

  res = "<span class='table_value strip'>[#{ strip } entries, 100 shown]</span>" + res if strip

  res
end

#template_render(template, locals = {}, cache = nil, cache_options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/render.rb', line 83

def template_render(template, locals = {}, cache = nil, cache_options = {})
  template_file = locate_template(template)
  layout_file = @layout ? locate_template("layout") : nil

  render(template_file, locals, layout_file, cache, cache_options)
end

#tsv2html(file, default_table_options = {}) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 419

def tsv2html(file, default_table_options = {})
  if TSV === file
    tsv, table_options = file, {}
    table_options[:unnamed] = tsv.unnamed
  else
    tsv, table_options = load_tsv(file)
  end

  content_type "text/html"
  rows, length = tsv_rows(tsv)

  table_options = default_table_options.merge(table_options)
  partial_render('partials/table', {:total_size => length, :rows => rows, :header => tsv.all_fields, :table_options => table_options})
end

#tsv_process(tsv, filter = nil, column = nil) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 195

def tsv_process(tsv, filter = nil, column = nil)
  filter = @filter if filter.nil?
  column = @column if column.nil?

  if filter and filter.to_s != "false"
    filter.split(";;").each do |f|
      key, value = f.split("~")
      next if value.nil? or value.empty?
      value =  Entity::REST.restore_element(value)

      #invert
      if value =~ /^!\s*(.*)/
        value = $1
        invert = true
      else
        invert = false
      end

      #name
      if value =~ /^:name:\s*(.*)/
        value = $1
        name = true
      else
        name = false
      end

      if value =~ /^:length:\s*(.*)/
        value = $1
        length = true
      else
        length = false
      end

      if name
        old_tsv = tsv
        tsv = tsv.reorder(:key, key).add_field "NAME" do |k,values|
          NamedArray === values ? values[key].name : values.name
        end
        key = "NAME"
      end
      
      if length
        old_tsv = tsv
        tsv = tsv.reorder(:key, key).add_field "LENGTH" do |k,values|
          NamedArray === values ? values[key].length.to_s : values.length.to_s
        end
        key = "LENGTH"
      end
      
      case
      when value =~ /^([<>]=?)(.*)/
        tsv = tsv.select(key, invert){|k| k = k.first if Array === k; (k.nil? or (String === k and k.empty?)) ? false : k.to_f.send($1, $2.to_f)}
      when value =~ /^\/(.+)\/.{0,2}\s*$/
        tsv = tsv.select({key => Regexp.new($1)}, invert)
      when (value =~ /^\d+$/ and tsv.type == :double or tsv.type == :flat)
        tsv = tsv.select({key => value.to_i}, invert)
      else
        tsv = tsv.select({key => value}, invert)
      end

      tsv = old_tsv.select(tsv.keys) if name or length

    end
  end


  tsv = tsv.column(column) if column and not column.empty?

  tsv
end

#tsv_rows(tsv, page = nil, filter = nil, column = nil) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 266

def tsv_rows(tsv, page = nil, filter = nil, column = nil)
  tsv = tsv_process(tsv, filter, column)
  length = tsv.size
  page = @page if page.nil?
  if page.nil? or page.to_s == "false"
    [tsv_rows_full(tsv), length]
  else
    [tsv_rows_full(paginate(tsv, page)), length]
  end
end

#tsv_rows_full(tsv) ⇒ Object 



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# File 'lib/rbbt/rest/common/table.rb', line 130

def tsv_rows_full(tsv)
  case tsv.type 
  when :single
    tsv.collect{|id, value| [id, value]}
  when :list
    key_field = tsv.key_field
    tsv.collect{|id, values| new_values = [id].concat(values); begin NamedArray.setup(new_values, values.fields, id, values.entity_options, values.entity_templates); new_values.fields = [key_field].concat values.fields end if values.respond_to? :fields; new_values }
  when :flat
    key_field = tsv.key_field
    tsv.collect{|id, values| [id, values]}
  when :double
    key_field = tsv.key_field
    tsv.collect{|id, value_lists| new_value_lists = [id].concat(value_lists); begin NamedArray.setup(new_value_lists, value_lists.fields, id, value_lists.entity_options, value_lists.entity_templates); new_value_lists.fields = ([key_field].concat value_lists.fields) end if value_lists.respond_to? :fields; new_value_lists }
  end
end

#wait_on(job, layout = nil) ⇒ Object

Raises:



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# File 'lib/rbbt/rest/common/render.rb', line 35

def wait_on(job, layout = nil)
  3.times do
    raise RbbtRESTHelpers::Retry if job.done? or job.error?
    sleep 1
  end

  raise RbbtRESTHelpers::Retry if job.done? or job.error?

  layout = @layout if layout.nil?

  layout_file = (layout ? locate_template('layout') : nil)
  template_file = locate_template('wait')

  status 202
  render template_file, {:job => job}, layout_file
end