first commit

.gitignore

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+\#*
+*~
+.#*
+.DS_Store
+.idea
+.project
+tmp
+nbproject
+*.swp
+doc/notes.txt

LICENSE

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+Redistribution and use in source and binary forms, with or without modification, 
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, 
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice, 
+      this list of conditions and the following disclaimer in the documentation 
+      and/or other materials provided with the distribution.
+    * Neither the name of the Rails Dog LLC nor the names of its 
+      contributors may be used to endorse or promote products derived from this 
+      software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+SpreeOnDemandVariants
+=====================
+
+Introduction goes here.
+
+
+Example
+=======
+
+Example goes here.
+
+
+Copyright (c) 2011 [name of extension creator], released under the New BSD License

Rakefile

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+require File.expand_path('../../config/application', __FILE__)
+
+require 'rubygems'
+require 'rake'
+require 'rake/testtask'
+require 'rake/packagetask'
+require 'rake/gempackagetask'
+
+spec = eval(File.read('spree_on_demand_variants.gemspec'))
+
+Rake::GemPackageTask.new(spec) do |p|
+  p.gem_spec = spec
+end
+
+desc "Release to gemcutter"
+task :release => :package do
+  require 'rake/gemcutter'
+  Rake::Gemcutter::Tasks.new(spec).define
+  Rake::Task['gem:push'].invoke
+end
+
+desc "Default Task"
+task :default => [ :spec ]
+
+require 'rspec/core/rake_task'
+RSpec::Core::RakeTask.new
+
+# require 'cucumber/rake/task'
+# Cucumber::Rake::Task.new do |t|
+#   t.cucumber_opts = %w{--format pretty}
+# end

app/controllers/admin/option_values_controller.rb

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+class Admin::OptionValuesController < Admin::BaseController
+  resource_controller
+  belongs_to :option_types # what does this do?
+end

app/controllers/products_controller_decorator.rb

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+ProductsController.class_eval do
+#  before_filter :load_option_types_for_on_demand_variants, :only => :show
+#
+#  def load_option_types_for_on_demand_variants
+#    if @product.has_on_demand_variants?
+#      @option_types= @product.option_types
+#    end
+#  end
+
+
+  # Adds a new item to the order (creating a new order if none already exists)
+  #
+  # Parameters can be passed using the following possible parameter configurations:
+  #
+  # * Single variant/quantity pairing
+  # +:variants => {variant_id => quantity}+
+  #
+  # * Multiple products at once
+  # +:products => {product_id => variant_id, product_id => variant_id}, :quantity => quantity +
+  # +:products => {product_id => variant_id, product_id => variant_id}}, :quantity => {variant_id => quantity, variant_id => quantity}+
+  def populate
+    @order = current_order(true)
+
+    params[:products].each do |product_id,variant_id|
+      quantity = params[:quantity].to_i if !params[:quantity].is_a?(Hash)
+      quantity = params[:quantity][variant_id].to_i if params[:quantity].is_a?(Hash)
+      @order.add_variant(Variant.find(variant_id), quantity) if quantity > 0
+    end if params[:products]
+
+    params[:variants].each do |variant_id, quantity|
+      quantity = quantity.to_i
+      @order.add_variant(Variant.find(variant_id), quantity) if quantity > 0
+    end if params[:variants]
+
+#  need to see what the parms look like before going any further
+#    params[:option_values].each do |option_value_id, quantity|
+#      quantity = quantity.to_i
+#      @order.add_variant(Variant.find(variant_id), quantity) if quantity > 0
+#    end if params[:variants]
+
+    redirect_to cart_path
+  end
+end

app/models/product_decorator.rb

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+Product.class_eval do
+  def has_on_demand_variants?
+    has_on_demand_variants
+  end
+end

app/views/admin/option_values/_form.html.erb

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+<div class="yui-gb">
+  <div class="yui-u first">
+
+    <!-- each option type -->
+    <% @product.options.each do |option| %>
+
+    <h2><%= option.presentation %></h2>
+
+    <h3>What price modifier strategy does this <%= option.presentation %> use?</h3>
+
+    <%= f.fields_for(option) do |option_fields| %>
+    <p><%= option_fields.label :price_modifier_type, t("price_modifier_type") %>:<br />
+      <%= option_fields.select(:price_modifier_type, options_for_select([["none",t("none")],["single",t("single")],["multiple", t("multiple")]])  %>
+      <!-- TODO?: options_from_collection_for_select(@price_modifier_types, 'id', 'name') -->
+    </p>
+    <% end %> <!-- fields for -->
+
+    <table class="index">
+    <tr>
+    <th><%= t("option_values") %></th>
+    <th><%= t("price") %></th>
+    </tr>
+
+    <!-- each option value -->
+    <% option.option_type.option_values.each do |ov| %>
+
+    <% option_fields.fields_for(ov) do |ov_fields| %>
+       <tr id="<%= dom_id(ov) %>" %>
+         <td><%= ov.presentation %></td>
+	 <td><%= ov_fields.label :price_modifier, t("price_modifier") %>:<br />
+	   <%= ov_fields.text_field :price_modifier %>
+	 </td>
+       </tr>
+    <% end %>  <!-- ov fields_for -->
+    <% end %>  <!-- each -->
+    <% end %>  <!-- option fields_for -->
+    <% end %>  <!-- each -->
+
+  </table>
+  </div>
+</div>

app/views/admin/option_values/edit.html.erb

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+<%= render :partial => 'admin/shared/product_sub_menu' %>
+
+<%= render :partial => 'admin/shared/product_tabs', :locals => {:current => "Variants"} %>
+
+<%= render "shared/error_messages", :target => @variant %>
+
+<%= form_for(@variant, :url => object_url, :html => { :method => :put }) do |f| %>
+  <%= hook :admin_variant_edit_form, {:f => f} do %>
+    <%= render :partial => "form", :locals => { :f => f } %>
+  <% end %>
+
+  <%= render :partial => 'admin/shared/edit_resource_links' %>
+<% end %>

app/views/admin/option_values/index.html.erb

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+<%= render :partial => 'admin/shared/product_sub_menu' %>
+
+<%= render :partial => 'admin/shared/product_tabs', :locals => {:current => "Variants"} %>
+
+
+  <!-- TODO: here we _should_ show each option value that has been set up as an on-demand option value -->
+  <!--  <table class="index">
+<tr>
+    <th><%= t("options") %></th>
+    <th><%= t("price") %></th>
+    <th><%= t("sku") %></th>
+    <% Variant.additional_fields.select{|f| f[:only].nil? || f[:only].include?(:variant) }.each do |field| %>
+      <th><%= t("activerecord.attributes.variant." + field[:name].downcase, :default => field[:name].titleize) %></th>
+    <% end %>
+    <th><%= t("on_hand") %></th>
+    <th><%= t("action") %></th>
+  </tr>
+
+  <% @variants.each do |variant| %>
+
+-->
+    <!-- you can skip variant with no options: that's just the default variant that all products have -->
+<!--
+    <% next if variant.option_values.empty? %>
+    <tr id="<%= dom_id(variant) %>" <%= 'style="color:red;"' if variant.deleted? %>>
+      <td><%= variant_options variant %></td>
+      <td><%= variant.price %></td>
+      <td><%= variant.sku %></td>
+      <% Variant.additional_fields.select{|f| f[:only].nil? || f[:only].include?(:variant) }.each do |field| %>
+        <td><%= variant[field[:name].gsub(" ", "_").downcase] %></td>
+      <% end %>
+      <td><%= variant.on_hand %></td>
+      <td valign="top">
+        <%= link_to_edit(variant) unless variant.deleted? %>
+        &nbsp;
+        <%= link_to_delete(variant) unless variant.deleted? %>
+      </td>
+    </tr>
+  <% end %>
+  <% unless @product.has_variants? %>
+    <tr><td colspan="9"><%= t("none") %></td></tr>
+  <% end %>
+</table>
+-->
+<% if @product.options.empty? %>
+  <p>
+    <%= t("to_add_variants_you_must_first_define") %>  <%= link_to t("option_types"), selected_admin_product_option_types_url(@product) %>
+  </p>
+<% else %>
+  <div id="new_variant"></div>
+  <br/>
+  <p id="new_var_link">
+      <%= link_to icon('add') + ' ' + t("new_variant"), new_admin_product_variant_url(@product), :remote => :true, 'data-update' => 'new_variant', :class => 'iconlink' %>
+    &nbsp;|&nbsp;<%= link_to @deleted.blank? ? t("show_deleted") : t("show_active"), admin_product_variants_url(@product, :deleted =>  @deleted.blank? ? "on" : "off") %>
+  </p>
+  <%= image_tag "spinner.gif", :plugin=>"spree", :style => "display:none", :id => 'busy_indicator' %>
+<% end %>

app/views/admin/option_values/new.html.erb

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+<%= render "shared/error_messages", :target => @variant %>
+
+<%= form_for(@product, :url => collection_url) do |f| %>
+<fieldset>
+  <%= render :partial => "form", :locals => { :f => f } %>
+
+  <%= render :partial => 'admin/shared/new_resource_links' %>
+</fieldset>  
+<% end %>

app/views/admin/products/_has_on_demand_variants.html.erb

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+<p>
+    <%= f.label :has_on_demand_variants, t("has_on_demand_variants")%><br />
+    <%= f.check_box :has_on_demand_variants %>
+</p>
+

app/views/admin/products/_option_values_tab.html.erb

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+<%= tab(:option_types, :match_path => '/option_values') %>

app/views/products/_cart_form.html.erb

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+<%= form_for :order, :url => populate_orders_url do |f| %>
+<%= hook :inside_product_cart_form do %>
+
+  <% if product_price(@product) %>
+    <%= hook :product_price do %>
+      <p class="prices">
+        <%= t("price") %>
+        <br />
+        <span class="price selling"><%= product_price(@product) %></span>
+      </p>
+    <% end %>
+  <% end %>
+
+  <% if @product.has_on_demand_variants?
+       @product.option_types.each do |ot|
+  %>      
+         <%= f.label ot.name, ot.name %>
+         <% option_values=OptionValue.where(:option_type_id => ot.id) %>
+         <%= select_tag ot.name, options_from_collection_for_select(option_values, "id", "presentation"), :class => 'on-demand-option-select' %>
+       <% end %>
+  <% elsif @product.has_variants? %>
+    <div id="product-variants">
+      <h2><%= t('variants') %></h2>
+      <ul>
+        <%  has_checked = false
+        @product.variants.active.each_with_index do |v,index|
+          next if v.option_values.empty? || (!v.in_stock && !Spree::Config[:show_zero_stock_products])
+          checked = !has_checked && (v.in_stock || Spree::Config[:allow_backorders])
+          has_checked = true if checked %>
+          <li>
+            <label>
+              <%= radio_button_tag "products[#{@product.id}]", v.id, checked, :disabled => !v.in_stock && !Spree::Config[:allow_backorders] %>
+              <span class="variant-description">
+                <%= variant_options v %>
+              </span>
+              <% if variant_price_diff v %>
+                <span class="price diff"><%= variant_price_diff v %></span>
+              <% end %>
+            </label>
+          </li>
+        <% end%>
+      </ul>
+    </div>
+  <% end%>
+  <% if @product.has_stock? || Spree::Config[:allow_backorders] %>
+    <%= text_field_tag @product.has_variants? ? :quantity : "variants[#{@product.master.id}]"),
+      1, :class => "title", :size => 3 %>
+    &nbsp;
+    <button type='submit' class='large primary'>
+      <%= image_tag('/images/add-to-cart.png') + t('add_to_cart') %>
+    </button>
+  <% else %>
+    <%= content_tag('strong', t('out_of_stock')) %>
+  <% end %>
+
+<% end %>
+<% end %>
+
+<% content_for :head do %>
+  <%= javascript_include_tag 'product' %>
+<% end %>

config/locales/en.yml

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+---
+en:
+  has_on_demand_variants: "Has on-demand variants?"

config/routes.rb

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+Rails.application.routes.draw do
+  namespace :admin do
+    resources :products do
+      resources :option_values
+    end
+  end
+end

db/migrate/20110222203247_add_dynamic_variants_flag_to_products.rb

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+class AddDynamicVariantsFlagToProducts < ActiveRecord::Migration
+  def self.up
+    add_column :products, :has_on_demand_variants, :boolean, :default => false
+  end
+
+  def self.down
+    remove_column :products, :has_on_demand_variants
+  end
+end

db/migrate/20110225135642_add_price_modifiers_to_option_values.rb

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+class AddPriceModifiersToOptionValues < ActiveRecord::Migration
+  def self.up
+    add_column :product_option_types, :price_modifier_type, :string, :null => true, :default => nil
+    add_column :option_values, :price_modifier, :decimal, :null => true, :default => nil, :precision => 8, :scale => 2
+  end
+
+  def self.down
+    remove_column :product_option_types, :price_modifier_type
+    remove_column :option_values, :price_modifier
+  end
+end

lib/spree_on_demand_variants.rb

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+require 'spree_core'
+require 'spree_on_demand_variants_hooks'
+
+module SpreeOnDemandVariants
+  class Engine < Rails::Engine
+
+    config.autoload_paths += %W(#{config.root}/lib)
+
+    def self.activate
+      Dir.glob(File.join(File.dirname(__FILE__), "../app/**/*_decorator*.rb")) do |c|
+        Rails.env.production? ? require(c) : load(c)
+      end
+    end
+
+    config.to_prepare &method(:activate).to_proc
+  end
+end

lib/spree_on_demand_variants_hooks.rb

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+class SpreeOnDemandVariantsHooks < Spree::ThemeSupport::HookListener
+  insert_after :admin_product_form_additional_fields, 'admin/products/has_on_demand_variants'
+  insert_after :admin_product_sub_tabs, 'admin/products/option_values_tab'
+end