Module: Supplejack::Controllers::Helpers

Extended by:
ActiveSupport::Concern
Defined in:
lib/supplejack/controllers/helpers.rb

Instance Method Summary collapse

Instance Method Details

#attribute(record, attributes, options = {}) ⇒ String

Displays a record attribute with a label and allows you to customize the HTML markup generated. It will not display anything if the value is blank or nil.

Parameters:

  • record (Record) —

    Class which includes the Supplejack::Record module

  • attribute (Symbol) —

    The name of the attribute to return

  • options (Hash) (defaults to: {}) —

    Hash of options to customize the output, supported options: :label, :limit, :delimiter, :link_path, :tag

Options Hash (options):

  • :label (true, false) —

    Display the attribute name

  • :label_tag (String) —

    HTML tag to surround label

  • :label_class (String) —

    CSS class to apply to label_tag

  • :limit (Integer) —

    Number of charachters to truncate or number of values (when multivalue field)

  • :delimiter (Integer) —

    Used to separate multi value attributes

  • :link_path (String) —

    The method name of a routes path when provided it will generate links for every value

  • :tag (Symbol) —

    HTML tag to wrap the label and value

  • :link (true, false, String) —

    When true will try to make the value into a link, When is a string it will try to find a {value} within the string and replace it with the value.

  • :extra_html (String) —

    HTML which will be included inside the tag at the end.

  • :tag_class (Symbol) —

    The class for the attribute tag

Returns:

  • (String) —

    A HTML snippet with the attribute name and value



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# File 'lib/supplejack/controllers/helpers.rb', line 43

def attribute(record, attributes, options={})
  options.reverse_merge!(label: true, label_inline: true, limit: nil, delimiter: ", ",
                          link_path: false, tag: Supplejack.attribute_tag, label_tag: Supplejack.label_tag,
                          label_class: Supplejack.label_class, trans_key: nil, link: false,
                          extra_html: nil, tag_class: nil)

  value = []
  attributes = [attributes] unless attributes.is_a?(Array)
  attributes.each do |attribute|
    if attribute.is_a?(String) && attribute.match(/\./)
      object, attr = attribute.split(".")
      v = record.try(object.to_sym).try(attr.to_sym) if object && attr
    else
      v = record.send(attribute)
    end

    if v.is_a?(Array)
      value += v.compact
    else
      value << v if v.present?
    end
  end

  value = value.first if value.size == 1
  attribute = attributes.first

  if value.is_a?(Array)
    if options[:limit] && options[:limit].to_i > 0
      value = value[0..(options[:limit].to_i-1)]
    end

    if options[:link_path]
      value = value.map {|v| link_to(v, send(options[:link_path], {i: {attribute => v}})) }
    end

    if options[:link]
      value = value.map do |v|
        attribute_link_replacement(v, options[:link])
      end
    end

    value = value.join(options[:delimiter]).html_safe
    value = truncate(value, length: options[:limit]) if options[:limit].to_i > 20
    value
  else
    if options[:limit] && options[:limit].to_i > 0
      value = truncate(value, length: options[:limit].to_i)
    end

    if options[:link]
      value = attribute_link_replacement(value, options[:link])
    end
  end

  content = ""
  if options[:label]
    if options[:trans_key].present?
      translation = I18n.t(options[:trans_key], default: attribute.to_s.capitalize) + ": "
    else
      i18n_class_name = record.class.to_s.tableize.downcase.gsub(/\//, "_")
      translation = "#{I18n.t("#{i18n_class_name}.#{attribute}", default: attribute.to_s.capitalize)}: "
    end
    content = content_tag(options[:label_tag], translation, class: options[:label_class]).html_safe
    content << "<br/>".html_safe unless options[:label_inline]
  end

  content << value.to_s
  content << options[:extra_html] if options[:extra_html]
  if value.present? and value != "Not specified"
    options[:tag] ? content_tag(options[:tag], content.html_safe, class: options[:tag_class]) : content.html_safe
  end
end

#attribute_link_replacement(value, link_pattern) ⇒ Object 



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# File 'lib/supplejack/controllers/helpers.rb', line 160

def attribute_link_replacement(value, link_pattern)
  if link_pattern.is_a?(String)
    link_pattern = URI.decode(link_pattern)
    url = link_pattern.gsub("{{value}}", value)
    link_to(value, url)
  else
    auto_link value
  end
end

#form_fields(search, options = {}) ⇒ String

Generates hidden fields with all the filters of a search object It is used in forms, so that when a user enteres another term in the search box the state of the search is preserved

Parameters:

  • search (Dnz::Search) —

    A instance of the Dnz::Search class

  • options (Hash) (defaults to: {}) —

    Hash of options to remove any filter

Options Hash (options):

  • except (Array) —

    A array of fields which should not generate a hidden field

Returns:

  • (String) —

    A HTML snippet with hidden fields



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# File 'lib/supplejack/controllers/helpers.rb', line 181

def form_fields(search, options={})
  if search
    tags = "".html_safe

    fields = [:record_type, :sort, :direction]
    fields.delete(:record_type) if search.record?

    if options[:except].try(:any?)
      fields.delete_if {|field| options[:except].include?(field)}
    end

    fields.each do |field|
      tags += hidden_field_tag(field.to_s, search.send(field)) unless search.send(field).blank?
    end

    {i: :i_unlocked, il: :i_locked, h: :h_unlocked, hl: :h_locked}.each_pair do |symbol, instance_name|
      if Supplejack.sticky_facets || [:il, :hl].include?(symbol) || options[:all_filters]
        filters = search.url_format.send(instance_name) rescue {}
        filters.each do |name, value|
          field_name = value.is_a?(Array) ? "#{symbol.to_s}[#{name.to_s}][]" : "#{symbol.to_s}[#{name.to_s}]"
          values = *value
          values.each {|v| tags << hidden_field_tag(field_name, v) }
        end
      end
    end

    tags
  end
end

#generate_path(name, options = {}) ⇒ Object 



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# File 'lib/supplejack/controllers/helpers.rb', line 325

def generate_path(name, options={})
  segments = name.split(".")
  if segments.size == 1
    send("#{segments[0]}_path", options)
  elsif segments.size == 2
    send(segments[0]).send("#{segments[1]}_path", options)
  end
end

#link_to_add_filter(name, value, path_name, options = {}, html_options = {}, &block) ⇒ String

Returns a link with the existing search options and adds the specified facet and value

Parameters:

  • name (Symbol) —

    The name of the facet. Ex: :category, :subject

  • value (String) —

    The value withing the facet. Ex: “Wellington”, “Books”, etc..

  • path_name (String) —

    The name of the path used to generate the url path. For example if you have a records_path route in your app, then specify “records” and it will call the records_path method

  • options (Hash) (defaults to: {}) —

    Set of options to customize the output

  • html_options (Hash) (defaults to: {}) —

    HTML options that are passed directly to the link_to method

Returns:

  • (String) —

    A link to with the correct search options.



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# File 'lib/supplejack/controllers/helpers.rb', line 241

def link_to_add_filter(name, value, path_name, options={}, html_options={}, &block)
  symbol = search.record_type == 0 ? :i : :h
  options[:except] = Util.array(options[:except]) + [:page]
  path = generate_path(path_name, search.options(plus: {symbol => {name => value}}, except: options[:except]))
  link_text =  options[:display_name].present? ? options[:display_name] : I18n.t("facets.values.#{value}", default: value)
  link_to block_given? ? capture(&block) : link_text, path.html_safe, html_options
end

#link_to_lock_filter(name, value, path_name, options = {}, html_options = {}, &block) ⇒ Object 



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# File 'lib/supplejack/controllers/helpers.rb', line 249

def link_to_lock_filter(name, value, path_name, options={}, html_options={}, &block)
  symbol = search.record_type == 0 ? :il : :hl
  path = generate_path(path_name, search.options(except: [{name => value}], plus: {symbol => {name => value}}))
  link_text = options[:display_name].present? ? options[:display_name] : I18n.t("facets.values.#{value}", default: value)
  link_to block_given? ? capture(&block) : link_text, path.html_safe, html_options
end

#link_to_record(*args, &block) ⇒ Object

Provides a link to record landing page that is augmented with a persisted search object Used in results listings



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# File 'lib/supplejack/controllers/helpers.rb', line 265

def link_to_record(*args, &block)
  if block_given?
    name = capture(&block)
    url = args[0]
    search_options = args[1] || {}
    html_options = args[2] || {}
  else
    name = args[0]
    url = args[1]
    search_options = args[2] || {}
    html_options = args[3] || {}
  end
  url = url + "?" + {search: search_options}.to_query if search_options.try(:any?)
  link_to(name, url, html_options)
end

#link_to_remove_filter(name, value, path_name, options = {}, html_options = {}, &block) ⇒ String

Returns a link with all existing search options except the specified in the params

Parameters:

  • name (Symbol) —

    The name of the facet. Ex: :category, :subject

  • value (String) —

    The value withing the facet. Ex: “Wellington”, “Books”, etc..

  • path_name (String) —

    The name of the path used to generate the url path. For example if you have a records_path route in your app, then specify “records” and it will call the records_path method

  • options (Hash) (defaults to: {}) —

    Set of options to customize the output

  • html_options (Hash) (defaults to: {}) —

    HTML options that are passed directly to the link_to method

Returns:

  • (String) —

    A link to with the correct search options.



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# File 'lib/supplejack/controllers/helpers.rb', line 223

def link_to_remove_filter(name, value, path_name, options={}, html_options={}, &block)
  path = generate_path(path_name, search.options(except: [{name => value}, :page]))
  link_text = options[:display_name].present? ? options[:display_name] : I18n.t("facets.values.#{value}", default: value)
  link_to block_given? ? capture(&block) : link_text, path.html_safe, html_options
end

#next_previous_links(record, html_options = {}) ⇒ Object

Displays the next and/or previous links based on the record and current search

Parameters:

  • options (Hash) —

    a customizable set of options



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# File 'lib/supplejack/controllers/helpers.rb', line 128

def next_previous_links(record, html_options={})
  html_options.reverse_merge!({prev_class: "prev", next_class: "next", wrapper_class: 'nav', prev_label: nil, next_label: nil})

  return "" unless params[:search]
  links = "".html_safe

  options = search.options

  previous_label = html_options[:prev_label] ||= t('supplejack_client.previous', default: "Previous")
  next_label = html_options[:next_label] ||= t('supplejack_client.next', default: "Next")
  previous_label = previous_label.html_safe
  next_label = next_label.html_safe

  options[:path] = params[:search][:path].gsub(/(\W|\d)/, '') if params[:search] && params[:search][:path]

  if record.previous_record
    options[:page] = record.previous_page if record.previous_page.to_i > 1
    links += link_to(raw(previous_label), record_path(record.previous_record, search: options), class: html_options[:prev_class]).html_safe
  else
    links += content_tag(:span, previous_label, class: html_options[:prev_class])
  end

  if record.next_record
    options[:page] = record.next_page if record.next_page.to_i > 1
    links += link_to(raw(next_label), record_path(record.next_record, search: options), class: html_options[:next_class]).html_safe
  else
    links += content_tag(:span, next_label, class: html_options[:next_class])
  end

  content_tag(:span, links, class: html_options[:wrapper_class])
end

#search(special_params = nil) ⇒ Object 



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# File 'lib/supplejack/controllers/helpers.rb', line 15

def search(special_params=nil)
  return @supplejack_search if @supplejack_search
  klass = Supplejack.search_klass ? Supplejack.search_klass.classify.constantize : Supplejack::Search
  @supplejack_search = klass.new(special_params || params[:search] || params)
end