Filtering ingredients by name

Nutrients link in sidebar

app/controllers/ingredients_controller.rb

@@ -1,9 +1,10 @@
 class IngredientsController < ApplicationController
   require 'csv'
 
-  before_action :find_project_by_project_id, only: [:index, :create, :import, :nutrients]
-  before_action :find_ingredient, only: [:destroy, :toggle]
+  before_action :find_project_by_project_id,
+    only: [:index, :nutrients, :create, :import, :filter, :filter_nutrients]
   before_action :find_quantity, only: [:toggle_nutrient_column]
+  before_action :find_ingredient, only: [:destroy, :toggle]
   before_action :authorize
 
   def index
@@ -11,7 +12,7 @@ class IngredientsController < ApplicationController
     # passing attr for Nutrient after_initialize
     @ingredient.nutrients.new(ingredient: @ingredient)
 
-    @ingredients = @project.ingredients.includes(:ref_unit, :source)
+    prepare_ingredients
     @ingredients << @ingredient
   end
 
@@ -27,18 +28,20 @@ class IngredientsController < ApplicationController
   end
 
   def create
+    # FIXME: redirect to :back?
     @ingredient = @project.ingredients.new(ingredient_params)
     if @ingredient.save
       flash[:notice] = 'Created new ingredient'
       redirect_to project_ingredients_url(@project)
     else
-      @ingredients = @project.ingredients.includes(:ref_unit, :source)
+      prepare_ingredients
       @ingredient.nutrients.new(ingredient: @ingredient) if @ingredient.nutrients.empty?
       render :index
     end
   end
 
   def destroy
+    # FIXME: redirect to :back?
     # FIXME: don't destroy if any meal depend on ingredient
     if @ingredient.destroy
       flash[:notice] = 'Deleted ingredient'
@@ -48,10 +51,23 @@ class IngredientsController < ApplicationController
 
   def toggle
     @ingredient.update(hidden: !@ingredient.hidden)
-    @ingredients = @project.ingredients.includes(:ref_unit, :source)
+    prepare_ingredients
+  end
+
+  def filter
+    session[:filters] = params[:filters]
+    prepare_ingredients
+    render :toggle
+  end
+
+  def filter_nutrients
+    session[:filters] = params[:filters]
+    prepare_nutrients
+    render :toggle_nutrient_column
   end
 
   def import
+    # FIXME: redirect to :back?
     warnings = []
 
     if params.has_key?(:file)
@@ -181,8 +197,13 @@ class IngredientsController < ApplicationController
     render_404
   end
 
+  def prepare_ingredients
+    @ingredients = filter_ingredients(@project.ingredients.includes(:ref_unit, :source))
+  end
+
   def prepare_nutrients
     ingredients = @project.ingredients.includes(:ref_unit, nutrients: [:quantity, :unit])
+    ingredients = filter_ingredients(ingredients)
     @primary_quantities = @project.quantities.where(primary: true)
     @primary_nutrients = {}
     @extra_nutrients = {}
@@ -198,4 +219,12 @@ class IngredientsController < ApplicationController
       end
     end
   end
+
+  def filter_ingredients(ingredients)
+    filters = session[:filters] || {}
+    if filters[:name].present?
+      ingredients = ingredients.where("name LIKE ?", "%#{filters[:name]}%")
+    end
+    ingredients
+  end
 end

app/views/body_trackers/_sidebar.html.erb

@@ -5,7 +5,11 @@
 
 <h3><%= t ".heading_diet" %></h3>
 <ul>
-  <li><%= link_to t(".link_ingredients"), project_ingredients_path(@project) %></li>
+  <li>
+    <%= link_to t(".link_ingredients"), project_ingredients_path(@project) %>
+    /
+    <%= link_to t(".link_nutrients"), nutrients_project_ingredients_path(@project) %>
+  </li>
 </ul>
 
 <h3><%= t ".heading_common" %></h3>

app/views/ingredients/_filters.html.erb

@@ -0,0 +1,19 @@
+<fieldset id="filters" class="collapsible">
+  <legend onclick="toggleFieldset(this);"><%= l(:label_filter_plural) %></legend>
+  <%= form_tag url, id: 'filters_form', method: :get, remote: true do %>
+  <table>
+    <tr>
+      <td style="width:100%;"></td>
+      <td>
+        <%= text_field_tag 'filters[name]', session[:filters][:name],
+          placeholder: 'name filter' %>
+      </td>
+      <td style="padding-left:8px;">
+        <%= link_to l(:button_apply), '#',
+          :class => "icon icon-checked",
+          :onclick => '$("#filters_form").submit(); return false;' %>
+      </td>
+    </tr>
+  </table>
+  <% end %>
+</fieldset>

app/views/ingredients/_list.html.erb

@@ -6,7 +6,7 @@
         <th><%= l(:field_reference) %></th>
         <th><%= l(:field_group) %></th>
         <th><%= l(:field_source) %></th>
-        <th style="width:15%"><%= l(:field_action) %></th>
+        <th style="width:10%"><%= l(:field_action) %></th>
       </tr>
     </thead>
     <tbody>

app/views/ingredients/_options.html.erb

@@ -4,7 +4,7 @@
     id: 'add_nutrient_column', method: :post, remote: true do %>
   <table>
     <tr>
-      <td width="100%"></td>
+      <td style="width:100%"></td>
       <td>
         <%= select_tag 'id', nutrient_column_options %>
       </td>

app/views/ingredients/index.html.erb

@@ -13,6 +13,8 @@
 <%= render :partial => 'ingredients/form' %>
 
 <h2><%= t ".heading" %></h2>
+<%= render :partial => 'ingredients/filters',
+  :locals => {:url => filter_project_ingredients_path(@project)} %>
 <div id='ingredients'>
   <%= render :partial => 'ingredients/list' %>
 </div>

app/views/ingredients/nutrients.html.erb

@@ -13,6 +13,8 @@
 <%= render :partial => 'ingredients/form' %>
 
 <h2><%= t ".heading" %></h2>
+<%= render :partial => 'ingredients/filters',
+  :locals => {:url => filter_nutrients_project_ingredients_path(@project)} %>
 <div id='nutrients'>
   <%= render :partial => 'ingredients/list_nutrients' %>
 </div>