Added sorting columns to recipe index

Gemfile

@@ -12,7 +12,7 @@ gem 'therubyracer', platforms: :ruby
 # Use jquery as the JavaScript library
 gem 'jquery-rails', '~> 4.1.1'
 gem 'bootstrap-sass', '~> 3.3.6'
-# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
+gem 'kaminari', '~> 0.17.0'
 gem 'turbolinks', '~> 5.0.0'
 gem 'jbuilder', '~> 2.5'
 gem 'cocoon', '~> 1.2.9'

Gemfile.lock

@@ -39,7 +39,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.2)
-    autoprefixer-rails (6.4.1.1)
+    autoprefixer-rails (6.5.0)
       execjs
     bcrypt (3.1.11)
     blankslate (3.1.3)
@@ -87,6 +87,9 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
+    kaminari (0.17.0)
+      actionpack (>= 3.0.0)
+      activesupport (>= 3.0.0)
     libv8 (3.16.14.15)
     liner (0.2.4)
     listen (3.1.5)
@@ -105,7 +108,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.1.0)
-    minitest (5.9.0)
+    minitest (5.9.1)
     multi_json (1.12.1)
     nenv (0.3.0)
     nio4r (1.2.1)
@@ -149,7 +152,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
+    rake (11.3.0)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -235,6 +238,7 @@ DEPENDENCIES
   guard-rspec
   jbuilder (~> 2.5)
   jquery-rails (~> 4.1.1)
+  kaminari (~> 0.17.0)
   pg (~> 0.18.4)
   rails (= 5.0.0)
   rspec-rails (~> 3.5.0)

app/assets/javascripts/ingredients.js

@@ -14,7 +14,7 @@ window.INGREDIENT_API = {};
     },{
       name: 'usdaFoods',
       source: usdaFoodSearchEngine,
-      limit: 10,
+      limit: 20,
       display: function(datum) {
         return datum.name;
       }

app/assets/stylesheets/application.scss

@@ -72,4 +72,32 @@ body {
   height: $footer_height;
   background-color: $gray-lighter;
   border-top: solid 1px $gray-light;
+}
+
+a.sorted {
+  position: relative;
+}
+
+a.sorted.asc:after {
+  content: " ";
+  position: absolute;
+  margin: 8px 0 0 6px;
+  width: 0;
+  height: 0;
+  border-left: 5px solid transparent;
+  border-right: 5px solid transparent;
+
+  border-top: 5px solid black;
+}
+
+a.sorted.desc:after {
+  content: " ";
+  position: absolute;
+  margin: 8px 0 0 6px;
+  width: 0;
+  height: 0;
+  border-left: 5px solid transparent;
+  border-right: 5px solid transparent;
+
+  border-bottom: 5px solid black;
 }

app/controllers/recipes_controller.rb

@@ -6,7 +6,8 @@ class RecipesController < ApplicationController
 
   # GET /recipes
   def index
-    @recipes = Recipe.active
+    @criteria = ViewModels::RecipeCriteria.new(params[:criteria])
+    @recipes = Recipe.for_criteria(@criteria)
   end
 
   # GET /recipes/1

app/decorators/recipe_decorator.rb

@@ -25,7 +25,7 @@ class RecipeDecorator < BaseDecorator
   end
 
   def average_rating
-    @average_rating ||= (Log.for_recipe(wrapped).for_user(self.user).where('rating IS NOT NULL').average(:rating) || 0)
+    rating
   end
 
 end

app/helpers/recipes_helper.rb

@@ -32,4 +32,40 @@ module RecipesHelper
       ].compact.join("\n".html_safe).html_safe
     end
   end
+
+  def index_sort_header(text, field, criteria)
+    uri = URI(request.original_fullpath)
+    query = Rack::Utils.parse_query(uri.query)
+
+    directions = [:asc, :desc]
+
+    current_field = criteria.sort_column
+    current_direction = criteria.sort_direction
+    field_param = 'criteria[sort_column]'
+    direction_param = 'criteria[sort_direction]'
+
+    if request.get?
+      is_sorted = current_field == field.to_sym
+
+      if is_sorted && directions.include?(current_direction)
+        direction = (directions.reject { |d| d == current_direction }).first
+      else
+        direction = directions.first
+      end
+
+      if is_sorted && direction == :asc
+        link_class = 'sorted desc'
+      elsif is_sorted && direction == :desc
+        link_class = 'sorted asc'
+      else
+        link_class = 'sorted'
+      end
+
+      query[field_param.to_s] = field.to_s
+      query[direction_param.to_s] = direction.to_s
+      link_to text, "#{uri.path}?#{query.to_query}", class: link_class
+    else
+      text
+    end
+  end
 end

app/models/log.rb

@@ -8,9 +8,17 @@ class Log < ActiveRecord::Base
   validates :user_id, presence: true
   validates :rating, numericality: { only_integer: true, allow_blank: true, greater_than_or_equal_to: 1, less_than_or_equal_to: 5, message: 'must be an integer between 1 and 5, inclusive' }
 
-  scope :for_user, ->(user) { where(user: user) }
-  scope :for_recipe, ->(recipe) { where(source_recipe: recipe) }
+  scope :for_user, ->(user) { where(user_id: user) }
+  scope :for_recipe, ->(recipe) { where(source_recipe_id: recipe) }
 
   accepts_nested_attributes_for :recipe, update_only: true, allow_destroy: false
 
+  after_save :update_rating
+
+  def update_rating
+    if self.source_recipe
+      self.source_recipe.update_rating!
+    end
+  end
+
 end

app/models/recipe.rb

@@ -7,6 +7,7 @@ class Recipe < ActiveRecord::Base
   scope :undeleted, -> { where('deleted <> ? OR deleted IS NULL', true) }
   scope :not_log, -> { where('is_log <> ? OR is_log IS NULL', true) }
   scope :active, -> { undeleted.not_log }
+  scope :for_criteria, ->(criteria) { active.order(criteria.sort_column => criteria.sort_direction).page(criteria.page).per(criteria.per) }
 
   accepts_nested_attributes_for :recipe_ingredients, allow_destroy: true
   accepts_nested_attributes_for :recipe_steps, allow_destroy: true
@@ -59,6 +60,11 @@ class Recipe < ActiveRecord::Base
     @parsed_yield
   end
 
+  def update_rating!
+    self.rating = Log.for_recipe(self).for_user(self.user_id).where('rating IS NOT NULL').average(:rating)
+    save(validate: false)
+  end
+
   # Creates a copy of this recipe suitable for associating to a log
   def log_copy(user)
     copy = Recipe.new

app/models/view_models/recipe_criteria.rb

@@ -0,0 +1,48 @@
+module ViewModels
+  class RecipeCriteria
+
+    SORT_COLUMNS = :created_at, :name, :rating, :total_time
+
+    attr_writer :sort_column, :sort_direction
+    attr_writer :page, :per
+
+    def initialize(params = {})
+      params ||= {}
+      ([:sort_column, :sort_direction, :page, :per]).each do |attr|
+        setter = "#{attr}="
+        if params[attr]
+          self.send(setter, params[attr])
+        end
+      end
+    end
+
+    def sort_column
+      @sort_column ||= SORT_COLUMNS.first
+      @sort_column = @sort_column.to_sym
+      unless SORT_COLUMNS.include? @sort_column
+        @sort_column = SORT_COLUMNS.first
+      end
+
+      @sort_column
+    end
+
+    def sort_direction
+      @sort_direction ||= :asc
+      @sort_direction = @sort_direction.to_sym
+      unless [:asc, :desc].include? @sort_direction
+        @sort_direction = :asc
+      end
+
+      @sort_direction
+    end
+
+    def page
+      @page.to_i || 1
+    end
+
+    def per
+      @per.to_i || 50
+    end
+
+  end
+end

app/views/recipes/index.html.erb

@@ -9,15 +9,17 @@
       <p>No Recipes</p>
     <% else %>
 
+      <%= paginate @recipes, :param_name => 'criteria[page]' %>
+
       <div class="table-responsive">
         <table class="recipe-table table table-striped table-hover">
           <thead>
             <tr>
-              <th>Name</th>
-              <th>Rating</th>
+              <th><%= index_sort_header('Name', :name, @criteria) %></th>
+              <th><%= index_sort_header('Rating', :rating, @criteria) %></th>
               <th>Yields</th>
-              <th>Time</th>
-              <th>Created</th>
+              <th><%= index_sort_header('Time', :total_time, @criteria) %></th>
+              <th><%= index_sort_header('Created', :created_at, @criteria) %></th>
               <% if current_user? %>
                 <th></th>
               <% end %>
@@ -57,6 +59,8 @@
         </table>
       </div>
 
+      <%= paginate @recipes, :param_name => 'criteria[page]' %>
+
     <% end %>
 
     <br>

db/migrate/20160928212209_add_rating_to_recipe.rb

@@ -0,0 +1,19 @@
+class AddRatingToRecipe < ActiveRecord::Migration[5.0]
+  class Recipe < ActiveRecord::Base
+  end
+
+  class Log < ActiveRecord::Base
+  end
+
+  def change
+    add_column :recipes, :rating, :float
+
+    Recipe.reset_column_information
+    Log.reset_column_information
+
+    Recipe.all.each do |r|
+      r.rating = Log.where(user_id: r.user_id).where(source_recipe_id: r).where('rating IS NOT NULL').average(:rating)
+      r.save!
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160812205919) do
+ActiveRecord::Schema.define(version: 20160928212209) do
 
   create_table "ingredient_units", force: :cascade do |t|
     t.integer "ingredient_id",                          null: false
@@ -99,6 +99,7 @@ ActiveRecord::Schema.define(version: 20160812205919) do
     t.boolean  "deleted"
     t.integer  "user_id"
     t.boolean  "is_log"
+    t.float    "rating"
   end
 
   create_table "usda_food_weights", force: :cascade do |t|

spec/factories/recipes.rb

@@ -6,6 +6,7 @@ FactoryGirl.define do
     yields 4
     total_time 20
     active_time 10
+    user
   end
 
 end

spec/models/log_spec.rb

@@ -1,4 +1,30 @@
 require 'rails_helper'
 
 RSpec.describe Log, type: :model do
+
+  describe 'Rating Update' do
+    it 'updates recipe rating on create' do
+      r = create(:recipe)
+      expect(r.rating).to be_nil
+
+      l = build(:log, source_recipe: r, user: r.user)
+      l.save
+
+      r.reload
+      expect(r.rating).to eq 1
+    end
+
+    it 'updates recipe rating on update' do
+      r = create(:recipe)
+      l = create(:log, source_recipe: r, user: r.user)
+      r.update_rating!
+
+      l.rating = 5
+      l.save
+
+      r.reload
+      expect(r.rating).to eq 5
+    end
+  end
+
 end

spec/models/recipe_spec.rb

@@ -1,4 +1,31 @@
 require 'rails_helper'
 
 RSpec.describe Recipe, type: :model do
+  describe '#update_rating!' do
+
+    it 'should set rating to nil with no ratings' do
+      r = create(:recipe)
+      r.update_rating!
+      expect(r.rating).to be_nil
+
+      create(:log, rating: nil, source_recipe: r)
+
+      r.update_rating!
+      expect(r.rating).to be_nil
+    end
+
+    it 'should set rating based on user logs' do
+      user = create(:user)
+      other_user = create(:user)
+      r = create(:recipe, user: user)
+      create(:log, rating: 2, source_recipe: r, user: user)
+      create(:log, rating: 4, source_recipe: r, user: user)
+      create(:log, rating: 5, source_recipe: r, user: other_user)
+
+      r.update_rating!
+
+      expect(r.rating).to eq 3
+    end
+
+  end
 end

spec/models/usda_food_spec.rb

@@ -8,7 +8,8 @@ RSpec.describe UsdaFood do
       unsalted_butter: create(:usda_food, long_description: 'Unsalted Butter'),
       flour: create(:usda_food, long_description: 'Flour'),
       bread_flour: create(:usda_food, long_description: 'Bread Flour'),
-      sugar: create(:usda_food, long_description: 'Sugar,Granulated')
+      sugar: create(:usda_food, long_description: 'Sugar,Granulated'),
+      mustard: create(:usda_food, long_description: 'HONEY MUSTARD DIPPING SAUCE')
     }
   end
 
@@ -30,6 +31,10 @@ RSpec.describe UsdaFood do
     r = UsdaFood.matches_tokens(:long_description, ['sal', 'butter'])
     expect(r.length).to eq 1
     expect(r).to contain_exactly *items(:salted_butter)
+
+    r = UsdaFood.matches_tokens(:long_description, ['butter', 'sal'])
+    expect(r.length).to eq 1
+    expect(r).to contain_exactly *items(:salted_butter)
   end
 
   it 'treats commas like spaces' do