Module: Spree::ThemeHelper

Defined in:
app/helpers/spree/theme_helper.rb

Instance Method Summary collapse

Instance Method Details

#block_attributes(block, allowed_styles: :all) ⇒ Hash

Returns the block HTML attributes it automatically adds data attributes for page builder

Parameters:

  • block (Spree::PageBlock) —

    the block

Returns:

  • (Hash) —

    the block attributes



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# File 'app/helpers/spree/theme_helper.rb', line 189

def block_attributes(block, allowed_styles: :all)
  has_width_desktop = block.respond_to?(:preferred_width_desktop) && block.preferred_width_desktop.present? ? "width-desktop='true'" : nil

  attributes = {
    data: {
      editor_id: "block-#{block.id}",
      editor_name: block.display_name,
      editor_parent_id: "section-#{block.section_id}",
      editor_link: spree.respond_to?(:edit_admin_page_section_block_path) ? spree.edit_admin_page_section_block_path(block.section, block) : nil
    },
    id: "block-#{block.id}",
    class: "block-#{block.class.name.demodulize.underscore.dasherize}",
    style: block_styles(block, allowed_styles: allowed_styles),
    width_desktop: has_width_desktop
  }.compact_blank

  tag.attributes(attributes)
end

#block_background_color_style(block) ⇒ String

Returns the block background color style

Parameters:

  • block (Spree::PageBlock) —

    the block

Returns:

  • (String) —

    the block background color style



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# File 'app/helpers/spree/theme_helper.rb', line 304

def block_background_color_style(block)
  return nil unless block.respond_to?(:preferred_background_color) && block.preferred_background_color.present?

  "background-color: #{block.preferred_background_color};"
end

#block_css_classes(block) ⇒ String

Returns the block CSS classes

Parameters:

  • block (Spree::PageBlock) —

    the block

Returns:

  • (String) —

    the block CSS classes



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# File 'app/helpers/spree/theme_helper.rb', line 314

def block_css_classes(block)
  classes = []
  classes << "justify-#{block.preferred_justify}" if block.respond_to?(:preferred_justify) && block.preferred_justify.present?
  classes.join(',')
end

#block_styles(block, allowed_styles: :all) ⇒ String

Returns the block inline CSS styles

Parameters:

  • block (Spree::PageBlock) —

    the block

  • allowed_styles (Symbol) (defaults to: :all) —

    the allowed styles, if not provided, all styles will be returned

Returns:

  • (String) —

    the block inline CSS styles



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# File 'app/helpers/spree/theme_helper.rb', line 255

def block_styles(block, allowed_styles: :all)
  styles = {}

  styles['text-align'] = block.preferred_text_alignment if block.respond_to?(:preferred_text_alignment) && block.preferred_text_alignment.present?
  styles['width'] = "#{block.preferred_width_desktop}%" if block.respond_to?(:preferred_width_desktop) && block.preferred_width_desktop.present?
  if block.respond_to?(:preferred_container_alignment)
    styles['margin'] = case block.preferred_container_alignment
                       when 'center'
                         '0 auto'
                       when 'right'
                         '0 0 0 auto'
                       else
                         '0 auto 0 0'
                       end
  end
  styles['color'] = if block.respond_to?(:preferred_text_color) && block.preferred_text_color.present?
                      block.preferred_text_color
                    else
                      'var(--section-color)'
                    end

  styles['padding-top'] = "#{block.preferred_top_padding}px" if block.respond_to?(:preferred_top_padding) && block.preferred_top_padding.present?
  if block.respond_to?(:preferred_bottom_padding) && block.preferred_bottom_padding.present?
    styles['padding-bottom'] = "#{block.preferred_bottom_padding}px"
  end
  styles['text-transform'] = :uppercase if theme_setting('headings_uppercase') && block.type == 'heading'
  styles['background-color'] = if block.respond_to?(:preferred_background_color) && block.preferred_background_color.present?
                                 block.preferred_background_color
                               else
                                 'var(--section-background)'
                               end

  if block.respond_to?(:preferred_button_background_color) && block.preferred_button_background_color.present?
    styles['--button-background-color'] = block.preferred_button_background_color
  end
  if block.respond_to?(:preferred_button_text_color) && block.preferred_button_text_color.present?
    styles['--button-text-color'] = block.preferred_button_text_color
  end

  styles = styles.compact_blank
  styles = styles.slice(*allowed_styles) if allowed_styles != :all

  styles.map { |k, v| "#{k}: #{v}" }.join(';')
end

#current_header_logo ⇒ ActiveStorage::Attachment

Returns the logo set in the ‘Spree::PageSections::Header` section

Returns:

  • (ActiveStorage::Attachment) —

    the logo



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# File 'app/helpers/spree/theme_helper.rb', line 59

def 
  @current_header_logo ||= current_theme_or_preview.sections.find_by(type: 'Spree::PageSections::Header')&.
end

#current_page ⇒ Spree::Page

Returns the current page, if not found it will fallback to the homepage

Returns:

  • (Spree::Page) —

    the current page



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# File 'app/helpers/spree/theme_helper.rb', line 6

def current_page
  @current_page ||= current_theme.pages.find_by(type: 'Spree::Pages::Homepage')
end

#current_page_or_preview ⇒ Spree::Page

Returns the current page or page preview, preview takes priority

Returns:

  • (Spree::Page) —

    the current page or page preview



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# File 'app/helpers/spree/theme_helper.rb', line 45

def current_page_or_preview
  @current_page_or_preview ||= current_page_preview || current_page
end

#current_page_preview ⇒ Spree::PagePreview

Returns the current page preview

Returns:

  • (Spree::PagePreview) —

    the current page preview



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# File 'app/helpers/spree/theme_helper.rb', line 36

def current_page_preview
  return if params[:page_preview_id].blank?

  @current_page_preview ||= current_page.previews.find_by(id: params[:page_preview_id])
end

#current_theme ⇒ Spree::Theme

Returns the current theme, if not found it will fallback to the default theme If ‘theme_id` is provided in the params, it will return the theme with the given id

Returns:

  • (Spree::Theme) —

    the current theme



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# File 'app/helpers/spree/theme_helper.rb', line 14

def current_theme
  @current_theme ||= if params[:theme_id].present?
                       current_store.themes.find_by(id: params[:theme_id])
                     else
                       current_store.default_theme || current_store.themes.first
                     end
ensure
  @current_theme ||= current_store.themes.first
end

#current_theme_or_preview ⇒ Spree::Theme

Returns the current theme or theme preview, preview takes priority

Returns:

  • (Spree::Theme) —

    the current theme or theme preview



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# File 'app/helpers/spree/theme_helper.rb', line 52

def current_theme_or_preview
  @current_theme_or_preview ||= current_theme_preview || current_theme
end

#current_theme_preview ⇒ Spree::ThemePreview

Returns the current theme preview

Returns:

  • (Spree::ThemePreview) —

    the current theme preview



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# File 'app/helpers/spree/theme_helper.rb', line 27

def current_theme_preview
  return if params[:theme_preview_id].blank?

  @current_theme_preview ||= current_theme.previews.find_by(id: params[:theme_preview_id])
end

#hex_color_to_rgb(hex) ⇒ String

makandracards.com/makandra/496431-ruby-how-to-convert-hex-color-codes-to-rgb-or-rgba Converts a hex color to rgb

Parameters:

  • hex (String) —

    the hex color

Returns:

  • (String) —

    the rgb color



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# File 'app/helpers/spree/theme_helper.rb', line 117

def hex_color_to_rgb(hex)
  return unless hex.present?

  rgb = hex[0..6].match(/^#(..)(..)(..)$/).captures.map(&:hex)
  "rgb(#{rgb.join(', ')})"
end

#hex_color_to_rgba(hex) ⇒ String

Converts a hex color to rgba

Parameters:

  • hex (String) —

    the hex color

Returns:

  • (String) —

    the rgba color



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# File 'app/helpers/spree/theme_helper.rb', line 128

def hex_color_to_rgba(hex)
  return unless hex.present?

  *rgb, alpha = hex.match(/^#(..)(..)(..)(..)?$/).captures.map { |hex_pair| hex_pair&.hex }
  opacity = (alpha || 255) / 255.0
  "rgba(#{rgb.join(', ')}, #{opacity.round(2)})"
end

#link_attributes(link, as_html: true) ⇒ Hash

Returns the link HTML attributes it automatically adds data attributes for page builder

Parameters:

  • link (Spree::PageLink) —

    the link

Returns:

  • (Hash) —

    the link attributes



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# File 'app/helpers/spree/theme_helper.rb', line 213

def link_attributes(link, as_html: true)
  parent_type = case link.parent_type
                when 'Spree::PageSection'
                  :section
                when 'Spree::PageBlock'
                  :block
                else
                  return ''
                end

  attributes = if spree.respond_to?(:admin) && spree.respond_to?(:edit_admin_page_link_path) && spree.respond_to?(:edit_admin_page_section_block_path)
               {
                  data: {
                    editor_id: "link-#{link.id}",
                    editor_name: link.label,
                    editor_parent_id: "#{parent_type}-#{link.parent_id}",
                    editor_link: case parent_type
                                when :section
                                  spree.edit_admin_page_link_path(link, page_section_id: link.parent_id)
                                when :block
                                  spree.edit_admin_page_link_path(link, block_id: link.parent_id)
                                end
                  },
                  id: "link-#{link.id}",
                  class: "link-#{link.class.name.demodulize.underscore.dasherize}"
                }
              else
               {}
              end

  if as_html
    tag.attributes(attributes)
  else
    attributes
  end
end

#page_builder_enabled? ⇒ Boolean

Returns whether the page builder is enabled It checks if there is a theme preview or page preview and if the ‘page_builder` param is set to `true`

Returns:

  • (Boolean) —

    whether the page builder is enabled



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# File 'app/helpers/spree/theme_helper.rb', line 67

def page_builder_enabled?
  @page_builder_enabled ||= (current_theme_preview.present? || current_page_preview.present?) && params[:page_builder] == 'true'
end

#section_heading_styles(section) ⇒ String

Returns the section heading inline CSS styles

Parameters:

  • section (Spree::PageSection) —

    the section

Returns:

  • (String) —

    the section heading inline CSS styles



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# File 'app/helpers/spree/theme_helper.rb', line 172

def section_heading_styles(section)
  styles = {}

  styles['text-transform'] = :uppercase if theme_setting('headings_uppercase')
  if section.respond_to?(:preferred_heading_bottom_padding) && section.preferred_heading_bottom_padding.present?
    styles['padding-bottom'] =
      "#{section.preferred_heading_bottom_padding}px"
  end

  styles.compact_blank.map { |k, v| "#{k}: #{v}" }.join(';')
end

#section_styles(section) ⇒ String

Returns the section inline CSS styles

Parameters:

  • section (Spree::PageSection) —

    the section

Returns:

  • (String) —

    the section inline CSS styles



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# File 'app/helpers/spree/theme_helper.rb', line 140

def section_styles(section)
  styles = {}

  bg_color = section.preferred_background_color.presence || theme_setting('background_color')
  styles['background-color'] = bg_color
  styles['--section-background'] = bg_color
  text_color = section.preferred_text_color.presence || theme_setting('text_color')
  styles['color'] = text_color
  styles['--section-color'] = text_color
  styles['border-color'] = section.preferred_border_color.presence || theme_setting('border_color')
  styles['padding-top'] = "#{section.preferred_top_padding.presence}px"
  styles['padding-bottom'] = "#{section.preferred_bottom_padding.presence}px"
  styles['border-top-width'] = "#{section.preferred_top_border_width.presence}px"
  border_bottom_width = "#{section.preferred_bottom_border_width.presence}px"
  styles['border-bottom-width'] = border_bottom_width
  styles['--section--border-bottom-width'] = border_bottom_width

  if section.respond_to?(:preferred_button_text_color) && section.preferred_button_text_color.present?
    styles['--button-text-color'] = section.preferred_button_text_color
  end

  if section.respond_to?(:preferred_button_background_color) && section.preferred_button_background_color.present?
    styles['--button-background-color'] = section.preferred_button_background_color
  end

  styles.map { |k, v| "#{k}: #{v}" }.join(';')
end

#theme_layout_sections ⇒ Hash

Returns the theme layout sections, eg. header, footer, etc.

Returns:

  • (Hash) —

    the theme layout sections



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# File 'app/helpers/spree/theme_helper.rb', line 74

def theme_layout_sections
  @theme_layout_sections ||= current_theme_or_preview.sections.includes(:links, { asset_attachment: :blob },
                                                                        { blocks: [:rich_text_text, :links] }).all.each_with_object({}) do |section, hash|
    hash[section.type.to_s.demodulize.underscore] = section
  end
rescue StandardError => e
  raise e unless Rails.env.production?

  Rails.error.report(e, context: { theme_id: current_theme_or_preview.id }, source: 'spree.storefront')

  {}
end

#theme_setting(name) ⇒ String

Returns the theme setting for the given name if preview is present, it will return the preview setting, otherwise it will return the theme setting

Parameters:

  • name (String) —

    the name of the theme setting

Returns:

  • (String) —

    the theme setting



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# File 'app/helpers/spree/theme_helper.rb', line 92

def theme_setting(name)
  if current_theme_preview.present?
    current_theme_preview.preferences.with_indifferent_access[name]
  elsif current_theme.present?
    current_theme.preferences.with_indifferent_access[name]
  end
end

#theme_setting_rgb_components(name) ⇒ String

This helper allows us to specify opacity in Tailwind’s color palette

Parameters:

  • name (String) —

    the name of the theme setting

Returns:

  • (String) —

    the theme setting



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# File 'app/helpers/spree/theme_helper.rb', line 104

def theme_setting_rgb_components(name)
  hex_color = theme_setting(name)
  return unless hex_color.present?

  rgb = hex_color[0..6].match(/^#(..)(..)(..)$/).captures.map(&:hex)
  rgb.join(', ')
end