Class: Template::Resolver

Inherits:
ActionView::Resolver
  • Object
show all
Includes:
Singleton
Defined in:
lib/generators/ecm/cms_core/models/templates/template.rb

Instance Method Summary collapse

Instance Method Details

#find_templates(name, prefix, partial, details) ⇒ Object 



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# File 'lib/generators/ecm/cms_core/models/templates/template.rb', line 53

def find_templates(name, prefix, partial, details)
  if prefix.length > 0
    pathname = "#{normalize_array(details[:locale]).first}/#{prefix}/"
  else
    pathname = "#{normalize_array(details[:locale]).first}/"
  end  
  conditions = {
    # :pathname    => normalize_path(name, prefix),
    :pathname    => pathname,
    :basename    => name,
    :locale      => normalize_array(details[:locale]).first,
    :format      => normalize_array(details[:formats]).first,
    :handler     => normalize_array(details[:handlers]),
    :partial     => partial || false
  }

  format = conditions.delete(:format)
  query  = ::Template.where(conditions)

  # 2) Check for templates with the given format or format is nil
  query = query.where(["format = ? OR format = ''", format])

  # 3) Ensure templates with format come first
  query = query.order("format DESC")

  # 4) Now trigger the query passing on conditions to initialization
  query.map do |record|
    initialize_template(record, details)
  end
end

#initialize_template(record, details) ⇒ Object

Initialize an ActionView::Template object based on the record found.



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# File 'lib/generators/ecm/cms_core/models/templates/template.rb', line 96

def initialize_template(record, details)
  source     = record.body
  identifier = "Template - #{record.id} - #{record.pathname.inspect}"
  handler    = ActionView::Template.registered_template_handler(record.handler)

  # 5) Check for the record.format, if none is given, try the template
  # handler format and fallback to the one given on conditions
  format   = record.format && Mime[record.format]
  format ||= handler.default_format if handler.respond_to?(:default_format)
  format ||= details[:formats]

  details = {
    :format => format,
    :updated_at => record.updated_at,
    :virtual_path => virtual_path(record.pathname, record.partial)
  }

  ActionView::Template.new(source, identifier, handler, details)
end

#normalize_array(array) ⇒ Object

Normalize arrays by converting all symbols to strings.



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# File 'lib/generators/ecm/cms_core/models/templates/template.rb', line 91

def normalize_array(array)
  array.map(&:to_s)
end

#normalize_path(name, prefix) ⇒ Object

Normalize name and prefix, so the tuple [“index”, “users”] becomes “users/index” and the tuple [“template”, nil] becomes “template”.



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# File 'lib/generators/ecm/cms_core/models/templates/template.rb', line 86

def normalize_path(name, prefix)
  prefix.present? ? "#{prefix}/#{name}" : name
end

#virtual_path(path, partial) ⇒ Object

Make paths as “users/user” become “users/_user” for partials.



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# File 'lib/generators/ecm/cms_core/models/templates/template.rb', line 117

def virtual_path(path, partial)
  return path unless partial
  if index = path.rindex("/")
    path.insert(index + 1, "_")
  else
    "_#{path}"
  end
end