Module: PowerResource::BaseHelper

Defined in:
app/helpers/power_resource/base_helper.rb

Instance Method Summary collapse

Instance Method Details

#attribute_human_name(attribute_name) ⇒ Object

Returns humanized and localized attribute name



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# File 'app/helpers/power_resource/base_helper.rb', line 45

def attribute_human_name(attribute_name)
  attribute_name = attribute_name.to_s
  I18n.t("activerecord.attributes.#{controller_name.singularize}.#{attribute_name}",
    default: attribute_name.humanize)
end

#attribute_value(resource, attribute_name, truncation = 50) ⇒ Object

Returns truncated attribute value



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# File 'app/helpers/power_resource/base_helper.rb', line 52

def attribute_value(resource, attribute_name, truncation = 50)
  value = resource.send(attribute_name).to_s.truncate(truncation)
  if attribute_name.to_s.match(/_id$/)
    model_name = attribute_name.gsub(/_id$/, "").classify
    begin
      value = eval(model_name).find(value).to_s
    rescue ActiveRecord::RecordNotFound
      value = ""
    end
  end
  value
end

#collection_title ⇒ Object

Returns a title for a collection



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# File 'app/helpers/power_resource/base_helper.rb', line 19

def collection_title
  I18n.t("activemodel.models.#{controller_name.singularize}.other",
    default: controller_name.humanize)
end

#non_human_attributes ⇒ Object

Returns attributes that should be invisible for end-users



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# File 'app/helpers/power_resource/base_helper.rb', line 30

def non_human_attributes
  %w(id updated_at created_at)
end

#render_actions_for(resource) ⇒ Object

Renders action links for a resource



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# File 'app/helpers/power_resource/base_helper.rb', line 126

def render_actions_for(resource)
  render "actions", resource: resource
end

#render_collection_table(custom_attributes = nil) ⇒ Object

Renders collection table



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# File 'app/helpers/power_resource/base_helper.rb', line 119

def render_collection_table(custom_attributes = nil)
  render "collection",
    collection: collection,
    attributes: custom_attributes || resource_human_attributes
end

#render_form(form_builder = "formtastic") ⇒ Object

Renders form using selected form builder



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# File 'app/helpers/power_resource/base_helper.rb', line 110

def render_form(form_builder = "formtastic")
  fields = resource_human_attributes
  fields.map! do |arg|
    arg.to_s.sub("_id", "").to_sym
  end
  render "power_resource/builders/#{form_builder}", fields: fields
end

#resource_action(action_name) ⇒ Object

Returns a text based on action and resource names

Example:

resource_action(:new)
  # => "New Product"



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# File 'app/helpers/power_resource/base_helper.rb', line 71

def resource_action(action_name)
  I18n.t("power_resource.resource_actions.#{action_name}",
         resource_name: resource_human_name,
         default: "#{action_name.to_s.titleize} #{resource_human_name}")
end

#resource_attributes ⇒ Object

Returns all attributes for a resource



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# File 'app/helpers/power_resource/base_helper.rb', line 25

def resource_attributes
  resource_class.attribute_names
end

#resource_form_path ⇒ Object

Returns form path for a resource



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# File 'app/helpers/power_resource/base_helper.rb', line 105

def resource_form_path
  resource.new_record? ? collection_path : resource_path
end

#resource_human_attributes ⇒ Object

Returns attributes for a resource without non-human attributes



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# File 'app/helpers/power_resource/base_helper.rb', line 35

def resource_human_attributes
  human_attributes = resource_attributes - non_human_attributes
  if respond_to?("parent?")
    parent_attribute = "#{parent.class.name.underscore}_id"
    human_attributes = human_attributes - ["#{parent_attribute}"]
  end
  human_attributes
end

#resource_human_name ⇒ Object

Returns humanized and localized name for a current resource model



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# File 'app/helpers/power_resource/base_helper.rb', line 4

def resource_human_name
  resource_class.model_name.human
end

#resource_human_name_for(resource_class_name) ⇒ Object

Returns humanized and localized name for a specified resource class



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# File 'app/helpers/power_resource/base_helper.rb', line 9

def resource_human_name_for(resource_class_name)
  eval("#{resource_class_name.to_s.classify}.model_name.human")
end

#resource_link(action_name) ⇒ Object

Returns a link for a resource

Examples:

resource_link(:new) 
  # => <a href="/products/new">New Product</a>
resource_link(:edit) 
  # => <a href="/products/1/edit">Edit Product</a>
resource_link(:edit, row)
  # => <a href="/products/1/edit">Edit</a>
resource_link(:edit, text: "Make changes") 
  # => <a href="/products/1/edit">Make changes</a>



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# File 'app/helpers/power_resource/base_helper.rb', line 89

def resource_link(action_name)
  text ||= resource_action(action_name)

  eval("resource_link_for_#{action_name.to_s}(text)")

  case action_name.to_sym
  when :new
    link_to(text, new_resource_path)
  when :edit
    link_to(text, edit_resource_path(resource))
  when :delete
    link_to
  end
end

#resource_title ⇒ Object

Returns an unique title for a resource



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# File 'app/helpers/power_resource/base_helper.rb', line 14

def resource_title
  "#{resource_human_name} #{resource.id}"
end