Module: ActiveNutrition

Defined in:
lib/active_nutrition.rb,
lib/active_nutrition/models.rb,
lib/active_nutrition/objects.rb,
lib/active_nutrition/railtie.rb,
lib/active_nutrition/version.rb,
lib/active_nutrition/utilities.rb,
lib/active_nutrition/objects/base.rb,
lib/active_nutrition/objects/food.rb,
lib/active_nutrition/models/src_cd.rb,
lib/active_nutrition/models/weight.rb,
lib/active_nutrition/models/langual.rb,
lib/active_nutrition/objects/weight.rb,
lib/active_nutrition/models/data_src.rb,
lib/active_nutrition/models/datsrcln.rb,
lib/active_nutrition/models/deriv_cd.rb,
lib/active_nutrition/models/fd_group.rb,
lib/active_nutrition/models/food_des.rb,
lib/active_nutrition/models/footnote.rb,
lib/active_nutrition/models/langdesc.rb,
lib/active_nutrition/models/nut_data.rb,
lib/active_nutrition/models/nutr_def.rb,
lib/active_nutrition/objects/weights.rb,
lib/active_nutrition/models/migration.rb,
lib/active_nutrition/utilities/update.rb,
lib/active_nutrition/objects/food_group.rb,
lib/active_nutrition/utilities/data_file.rb,
lib/active_nutrition/objects/nutrition_fact.rb,
lib/active_nutrition/objects/nutrition_facts.rb,
lib/active_nutrition/utilities/unit_converter.rb,
lib/active_nutrition/migrations/00000000002_sr_24.rb,
lib/active_nutrition/migrations/00000000001_migrations_table.rb

Defined Under Namespace

Modules: Migrations, Models, Objects, Utilities Classes: Railtie

Constant Summary collapse

DEFAULT_SEARCH_LIMIT = 
10
VERSION = 
"0.5.1"
USDA_VERSION = 
"24"

Class Method Summary collapse

Class Method Details

.convert(value, options = {}) ⇒ Object 



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# File 'lib/active_nutrition.rb', line 76

def convert(value, options = {})
  UnitConverter.convert(value, options)
end

.get(ndb_no) ⇒ Object 



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# File 'lib/active_nutrition.rb', line 72

def get(ndb_no)
  Food.wrap(FoodDes.find(ndb_no))
end

.migrate ⇒ Object 



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# File 'lib/active_nutrition.rb', line 34

def migrate
  current_migrations = Migration.find(:all).map(&:sequence_no)
rescue ActiveRecord::StatementInvalid => e
  ActiveNutrition::Migrations::MigrationsTable.up
  Migration.create(:sequence_no => 1)
  current_migrations = Migration.find(:all).map(&:sequence_no)
ensure
  next_migrations = migrations.reject { |file| (current_migrations || []).include?(File.basename(file)[0..11].to_i) }.sort
  next_migrations.each do |file|
    require file
    migration_class = ActiveNutrition::Migrations.const_get(File.basename(file).split("_")[1..-1].map(&:capitalize).join("").chomp(".rb"))
    migration_class.up
    Migration.create(:sequence_no => File.basename(file)[0..11].to_i)
  end
end

.rebuild ⇒ Object 



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# File 'lib/active_nutrition.rb', line 54

def rebuild
  upd = Update.new(:type => :full)
  puts "Downloading data..."
  upd.download
  puts "Extracting..."
  upd.unzip
  puts "Clearing tables..."
  upd.reset_db
  execute_update(upd)
  puts "\nDone."
end

.search(terms = "", options = {}) ⇒ Object 



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# File 'lib/active_nutrition.rb', line 66

def search(terms = "", options = {})
  options[:conditions] ||= ["Long_Desc LIKE ? OR Long_Desc LIKE ?", "%#{terms.gsub(" ", "%")}%", "%#{terms.split(" ").reverse.join("%")}%"]
  options[:limit] ||= DEFAULT_SEARCH_LIMIT
  Food.wrap(FoodDes.find(:all, options))
end

.supported_conversion?(options) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_nutrition.rb', line 80

def supported_conversion?(options)
  UnitConverter.supported_conversion?(options)
end

.update ⇒ Object 



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# File 'lib/active_nutrition.rb', line 50

def update
  raise "Not yet supported."
end