Module: Editmode::ActionViewExtensions::EditmodeHelper

Includes:
ActionView::Context, ActionView::Helpers::AssetTagHelper, ActionView::Helpers::TagHelper, ActionView::Helpers::TextHelper, Helper
Included in:
Editmode
Defined in:
lib/editmode/action_view_extensions/editmode_helper.rb

Instance Method Summary collapse

Methods included from Helper

#e, #parse_arguments, #render_custom_field_raw

Instance Method Details

#allowed_tag_attributes ⇒ Object 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 19

def allowed_tag_attributes
  [:style, :href, :title, :src, :alt, :width, :height]
end

#api_root_url ⇒ Object 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 23

def api_root_url
  ENV["EDITMODE_OVERRIDE_API_URL"] || "https://api.editmode.com"
end

#api_version ⇒ Object 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 15

def api_version
  # Todo Add Header Version
end

#chunk_collection(collection_identifier, **options, &block) ⇒ Object Also known as: c 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 27

def chunk_collection(collection_identifier, **options, &block)
  branch_params = params[:em_branch_id].present? ? "branch_id=#{params[:em_branch_id]}" : ""
  branch_id = params[:em_branch_id].presence
  tags = options[:tags].presence || []
  limit = options[:limit].presence

  parent_class = options[:class] || ""
  item_class = options[:item_class] || ""
  
  begin 
    url_params = { 
      :collection_identifier => collection_identifier,
      :branch_id => branch_id,
      :limit => limit,
      :tags => tags
    }.to_query

    url = URI(api_root_url)
    url.path = '/chunks'
    url.query = url_params

    cache_identifier = "collection_#{collection_identifier}#{branch_id}#{limit}#{tags.join}"
    cached_content_present = Rails.cache.exist?(cache_identifier)
    
    if !cached_content_present
      response = HTTParty.get(url)
      response_received = true if response.code == 200
    end
    
    if !cached_content_present && !response_received
      raise "No response received"
    else

      chunks = Rails.cache.fetch(cache_identifier) do  
        response['chunks']
      end

      if chunks.any?
        content_tag :div, class: "chunks-collection-wrapper #{parent_class}", data: {chunk_collection_identifier: collection_identifier} do
          chunks.each do |chunk|
            @custom_field_chunk = chunk
            concat(content_tag(:div, class: "chunks-collection-item--wrapper #{item_class}") do
              yield(@custom_field_chunk)
            end)
          end

          # Placeholder element for new collection item
          @custom_field_chunk = chunks.first.merge!({placeholder: true})
          concat(content_tag(:div, class: "chunks-hide chunks-col-placeholder-wrapper") do
            yield(@custom_field_chunk)
          end)
        end 
      else
        content_tag(:span, "&nbsp".html_safe)
      end
    end
  rescue => error
    puts error 
    return []
  end
end

#chunk_display(label, identifier, options = {}, &block) ⇒ Object Also known as: chunk 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 158

def chunk_display(label, identifier, options = {}, &block)
  options[:branch_id] = params[:em_branch_id] if params[:em_branch_id].present?
  # This method should never show an error. 
  # If anything goes wrong fetching content
  # We should just show blank content, not
  # prevent the page from loading.
  begin
    field = options[:field].presence || ""          
    options[:referrer] = request.url
    chunk_value = Editmode::ChunkValue.new(identifier, options)
    
    if field.present? && chunk_value.chunk_type == 'collection_item'
      chunk_content = chunk_value.field(field)
      identifier = chunk_value.field_chunk(field)["identifier"]
      chunk_type = chunk_value.field_chunk(field)["chunk_type"]
      options[:collection_id] = chunk_value.collection_id
    else
      chunk_content = chunk_value.content
      chunk_type = chunk_value.chunk_type
      identifier = chunk_value.response["identifier"] unless identifier.include? "cnk_"
    end

    options[:cache_identifier] = chunk_value.identifier
    options[:content_key] = chunk_value.response.try(:[], "content_key")
    render_chunk_content(identifier, chunk_content, chunk_type, options)

  rescue => error
    # Show fallback content by default
    return content_tag("em-span", &block) if block_given?
    # Otherwise show a span with no content to 
    # maintain layout
    content_tag("em-span", "&nbsp".html_safe) 
  end
end

#chunk_field_value(parent_chunk_object, custom_field_identifier, options = {}) ⇒ Object 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 90

def chunk_field_value(parent_chunk_object, custom_field_identifier, options = {})
  begin 
    chunk_identifier = parent_chunk_object["identifier"]
    chunk_value = Editmode::ChunkValue.new(parent_chunk_object["identifier"], options.merge({response: parent_chunk_object}))
    custom_field_item = chunk_value.field_chunk(custom_field_identifier)

    options[:field] = custom_field_identifier
    
    if parent_chunk_object[:placeholder]
      custom_field_item["identifier"] = ""
      custom_field_item["content"] = ""
    end

    if custom_field_item.present?
      render_chunk_content(
        custom_field_item["identifier"],
        chunk_value.field(custom_field_identifier),
        custom_field_item["chunk_type"],
        { parent_identifier: chunk_identifier, custom_field_identifier:  custom_field_identifier}.merge(options)
      )
    end
  rescue => errors
    puts errors
    content_tag(:span, "&nbsp".html_safe) 
  end
end

#no_response_received(id = "") ⇒ Object 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 210

def no_response_received(id = "")
  "Sorry, we can't find a chunk using this identifier: \"#{id}\". This can happen if you've deleted a chunk on editmode.com or if your local cache is out of date. If it persists, try running Rails.cache clear."
end

#render_chunk(identifier, *args, &block) ⇒ Object Also known as: E 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 203

def render_chunk(identifier, *args, &block)
  field, options = parse_arguments(args)
  options[:field] = field
  chunk_display('label', identifier, options, &block)
end

#render_chunk_content(chunk_identifier, chunk_content, chunk_type, options = {}) ⇒ Object 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 117

def render_chunk_content(chunk_identifier, chunk_content, chunk_type, options = {})
  begin 
    css_class = options[:class]
    cache_id = options[:cache_identifier]

    if chunk_type == "image"
      display_type = "image"
    else 
      display_type = options[:display_type] || "span"
    end

    chunk_data = { :chunk => chunk_identifier, :chunk_editable => false, :chunk_type => chunk_type }

    chunk_data.merge!({parent_identifier: options[:parent_identifier]}) if options[:parent_identifier].present?
    chunk_data.merge!({custom_field_identifier: options[:custom_field_identifier]}) if options[:custom_field_identifier].present?
    chunk_data.merge!({chunk_cache_id: cache_id}) if cache_id.present?
    chunk_data.merge!({chunk_collection_identifier: options[:collection_id]}) if options[:collection_id].present?
    chunk_data.merge!({chunk_content_key: options[:content_key]}) if options[:content_key].present?

    case display_type
    when "span"
      if chunk_type == "rich_text"
        content = content_tag("em-span", :class => "editmode-richtext-editor #{css_class}", :data => chunk_data.merge!({:chunk_editable => true}), **options.slice(*allowed_tag_attributes) ) do
          chunk_content.html_safe
        end
      else
        content_tag("em-span", :class => css_class, :data => chunk_data.merge!({:chunk_editable => true}), **options.slice(*allowed_tag_attributes) ) do
          chunk_content.html_safe
        end
      end
    when "image"
      chunk_content = chunk_content.blank? || chunk_content == "/images/original/missing.png" ? 'https://www.editmode.com/upload.png' : chunk_content
      image_tag(chunk_content, :data => chunk_data, :class => css_class, **options.slice(*allowed_tag_attributes)) 
    end
  rescue => errors
    puts errors
    content_tag("em-span", "&nbsp".html_safe) 
  end

end

#render_custom_field(field_name, options = {}) ⇒ Object Also known as: F 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 195

def render_custom_field(field_name, options={})
  options[:variable_fallbacks] = @custom_field_chunk["variable_fallbacks"] || {}
  options[:variable_values] = options[:variables] || {}
  
  chunk_field_value(@custom_field_chunk, field_name, options)
end

#require_field_id ⇒ Object 



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# File 'lib/editmode/action_view_extensions/editmode_helper.rb', line 214

def require_field_id
  "Field ID or Field Name is required to retrieve a collection item"
end