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Better yield use

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This commit is contained in:
Dan Elbert 2016-04-03 18:03:51 -05:00
parent 9994560807
commit d368ef4a6f
9 changed files with 136 additions and 25 deletions
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8
app/models/recipe.rb
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@ -10,7 +10,6 @@ class Recipe < ActiveRecord::Base
accepts_nested_attributes_for :recipe_steps, allow_destroy: true
validates :name, presence: true
validates :yields, numericality: true, allow_blank: true
validates :total_time, numericality: true, allow_blank: true
validates :active_time, numericality: true, allow_blank: true
@ -61,6 +60,13 @@ class Recipe < ActiveRecord::Base
@nutrition_data
end
def parsed_yield
if @parsed_yield.nil? && self.yields.present?
@parsed_yield = YieldParser.parse(self.yields)
end
@parsed_yield
end
private
def calculate_nutrition_data

21
app/views/recipes/show.html.erb
View File

@ -92,31 +92,52 @@
<thead>
<tr>
<th>Item</th>
<% if @recipe.parsed_yield %>
<th><%= @recipe.parsed_yield.label %></th>
<% end %>
<th>Total</th>
</tr>
</thead>
<tr>
<td>Calories</td>
<% if @recipe.parsed_yield %>
<td><%= @recipe.nutrition_data.kcal / @recipe.parsed_yield.number %></td>
<% end %>
<td><%= @recipe.nutrition_data.kcal %></td>
</tr>
<tr>
<td>Grams Protein</td>
<% if @recipe.parsed_yield %>
<td><%= @recipe.nutrition_data.protein / @recipe.parsed_yield.number %></td>
<% end %>
<td><%= @recipe.nutrition_data.protein %></td>
</tr>
<tr>
<td>Grams Fat</td>
<% if @recipe.parsed_yield %>
<td><%= @recipe.nutrition_data.lipids / @recipe.parsed_yield.number %></td>
<% end %>
<td><%= @recipe.nutrition_data.lipids %></td>
</tr>
<tr>
<td>Grams Carbohydrates</td>
<% if @recipe.parsed_yield %>
<td><%= @recipe.nutrition_data.carbohydrates / @recipe.parsed_yield.number %></td>
<% end %>
<td><%= @recipe.nutrition_data.carbohydrates %></td>
</tr>
<tr>
<td>Grams Sugar</td>
<% if @recipe.parsed_yield %>
<td><%= @recipe.nutrition_data.sugar / @recipe.parsed_yield.number %></td>
<% end %>
<td><%= @recipe.nutrition_data.sugar %></td>
</tr>
<tr>
<td>Grams Fiber</td>
<% if @recipe.parsed_yield %>
<td><%= @recipe.nutrition_data.fiber / @recipe.parsed_yield.number %></td>
<% end %>
<td><%= @recipe.nutrition_data.fiber %></td>
</tr>
</table>

1
config/initializers/lib.rb
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@ -1,2 +1,3 @@
require 'unit_conversion'
require 'yield_parser'

5
db/migrate/20160403205734_change_yields_col.rb Normal file
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@ -0,0 +1,5 @@
class ChangeYieldsCol < ActiveRecord::Migration
def change
change_column :recipes, :yields, :string
end
end

4
db/schema.rb
View File

@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20160311000203) do
ActiveRecord::Schema.define(version: 20160403205734) do
create_table "ingredients", force: :cascade do |t|
t.string "name"
@ -59,7 +59,7 @@ ActiveRecord::Schema.define(version: 20160311000203) do
t.string "name"
t.text "description"
t.text "source"
t.integer "yields"
t.string "yields"
t.integer "total_time"
t.integer "active_time"
t.datetime "created_at", null: false

84
db/seeds.rb
View File

@ -10,28 +10,70 @@ require 'usda_importer'
puts "Seeding..."
Ingredient.create!([
{name: 'Water', density: '1 g/ml'},
{name: 'Butter, Salted', density: '226 gram/cup', ndbn: '01001'},
{name: 'Butter, Unsalted', density: '226 gram/cup'},
{name: 'Flour, Bleached All Purpose', density: '130 gram/cup'},
{name: 'Flour, Cake', density: '120 gram/cup'},
{name: 'Flour, Whole Wheat', density: '130 gram/cup'},
{name: 'Cornstarch', density: '10 gram/tablespoon'},
{name: 'Cornmeal', density: '120 gram/cup'},
{name: 'Sugar, Granulated', density: '200 gram/cup'},
{name: 'Sugar, Brown, Lightly Packed', density: '210 gram/cup'},
{name: 'Sugar, Powdered', density: '120 gram/cup'},
{name: 'Chocolate Chips', density: '170 gram/cup'},
{name: 'Cocoa Powder', density: '100 gram/cup'},
{name: 'Salt, Kosher', density: '248 gram/cup'},
{name: 'Salt, Table', density: '304 gram/cup'},
{name: 'Milk, Whole', density: '1.028 gram/ml'},
{name: 'Milk, Skim', density: '1.032 gram/ml'},
{name: 'Milk, 2%', density: '1.03 gram/ml'}
])
dan = User.create!({username: 'dan', full_name: 'Dan', email: 'dan.elbert@gmail.com', password: 'qwerty', password_confirmation: 'qwerty'})
ingredients = {
water: {name: 'Water', density: '1 g/ml'},
butter: {name: 'Butter, Salted', ndbn: '01001'},
butter_sal: {name: 'Butter, Unsalted', density: '226 gram/cup'},
flour: {name: 'Flour, Bleached All Purpose', density: '130 gram/cup'},
flour_cake: {name: 'Flour, Cake', density: '120 gram/cup'},
flour_wheat: {name: 'Flour, Whole Wheat', density: '130 gram/cup'},
cornstarch: {name: 'Cornstarch', ndbn: '20027'},
cornmeal: {name: 'Cornmeal', density: '120 gram/cup'},
sugar: {name: 'Sugar, Granulated', ndbn: '19335'},
sugar_brown: {name: 'Sugar, Brown, Lightly Packed', density: '210 gram/cup'},
sugar_powder: {name: 'Sugar, Powdered', density: '120 gram/cup'},
chips: {name: 'Chocolate Chips', density: '170 gram/cup'},
cocoa: {name: 'Cocoa Powder', density: '100 gram/cup'},
salt: {name: 'Salt, Kosher', density: '248 gram/cup'},
table_salt: {name: 'Salt, Table', density: '304 gram/cup'},
whole_milk: {name: 'Milk, Whole', density: '1.028 gram/ml'},
skim_milk: {name: 'Milk, Skim', density: '1.032 gram/ml'},
two_per_milk: {name: 'Milk, 2%', density: '1.03 gram/ml'} ,
flank: {name: 'Flank Steak', ndbn: '13970'},
soy_sauce: {name: 'Soy Sauce', ndbn: '16123'},
shaoxing: {name: 'Shaoxing Wine', ndbn: '14084'},
stock: {name: 'Chicken Stock, Low Sodium', ndbn: '06970'} ,
oyster_sauce: {name: 'Oyster Sauce', ndbn: '06176'},
seasame_oil: {name: 'Sesame Seed Oil', ndbn: '04058'} ,
garlic: {name: 'Garlic', ndbn: '11215'},
peanut_oil: {name: 'Peanut Oil', ndbn: '04042'},
broccoli: {name: 'Broccoli Florets', ndbn: '11740'}
}
ingredients.each do |k, v|
ingredients[k] = Ingredient.create!({user_id: dan.id}.merge(v))
end
bb = Recipe.create!({
name: 'Beef and Broccoli With Oyster Sauce',
source: 'http://www.seriouseats.com/recipes/2012/06/chinese-american-beef-and-broccoli-with-oyster-sauce-recipe.html',
yields: 4,
total_time: 30,
active_time: 10,
user_id: dan.id
})
[
{quantity: '1', units: 'pound', preparation: 'flank steak, skirt steak, hanger steak, or flap meat, cut into 1/4-inch thick strips', ingredient: ingredients[:flank]},
{quantity: '1/4', units: 'cup', preparation: 'divided', ingredient: ingredients[:soy_sauce]},
{quantity: '1/4', units: 'cup', preparation: 'divided', ingredient: ingredients[:shaoxing]},
{quantity: '2', units: 'teaspoons', preparation: '', ingredient: ingredients[:cornstarch]},
{quantity: '1/3', units: 'cup', preparation: '', ingredient: ingredients[:stock]},
{quantity: '1/4', units: 'cup', preparation: '', ingredient: ingredients[:oyster_sauce]},
{quantity: '1', units: 'tablespoon', preparation: '', ingredient: ingredients[:sugar]},
{quantity: '1', units: 'teaspoon', preparation: '', ingredient: ingredients[:seasame_oil]},
{quantity: '2', units: 'medium cloves', preparation: 'finely minced', ingredient: ingredients[:garlic]},
{quantity: '2', units: 'teaspoons', preparation: 'finely minced', name: 'ginger root'},
{quantity: '3', units: '', preparation: 'whites finely sliced, greens cut into 1/2-inch segments, reserved separately', name: 'Scallions'},
{quantity: '4', units: 'tablespoons', preparation: '', ingredient: ingredients[:peanut_oil]},
{quantity: '1', units: 'pound', preparation: '', ingredient: ingredients[:broccoli]},
].each_with_index do |ri, i|
RecipeIngredient.create!({recipe: bb, sort_order: i}.merge(ri))
end
User.create!({username: 'dan', full_name: 'Dan', email: 'dan.elbert@gmail.com', password: 'qwerty', password_confirmation: 'qwerty'})
importer = UsdaImporter.new(Rails.root.join('vendor', 'data', 'usda'))
importer.import

5
lib/usda_importer.rb
View File

@ -190,6 +190,11 @@ class UsdaImporter
sorted_files.each { |k, v| `rm #{v}` }
end
Ingredient.where('ndbn != ?', '').where('ndbn IS NOT NULL').each do |i|
i.set_usda_food(i.usda_food)
i.save!
end
end
def build_enumerator(opened_files)

19
lib/yield_parser.rb Normal file
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@ -0,0 +1,19 @@
class YieldParser
Result = Struct.new(:number, :label)
def self.parse(yield_string)
match = /(\d+(?:\.\d*)?)\s*(\w[\w\s]*)?/.match(yield_string)
case
when match.nil?
nil
when match[2]
Result.new(match[1].to_f, match[2].strip.singularize)
else
Result.new(match[1].to_f, 'each')
end
end
end

12
spec/lib/yield_parser_spec.rb Normal file
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@ -0,0 +1,12 @@
require 'rails_helper'
RSpec.describe YieldParser do
it 'parses various strings' do
expect(YieldParser.parse('4')).to eq YieldParser::Result.new(4.0, 'each')
expect(YieldParser.parse('4 servings')).to eq YieldParser::Result.new(4.0, 'serving')
expect(YieldParser.parse('3 pancakes')).to eq YieldParser::Result.new(3.0, 'pancake')
expect(YieldParser.parse('13.5 large croutons')).to eq YieldParser::Result.new(13.5, 'large crouton')
end
end