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# models/material.rb
class Material < ActiveRecord::Base
  has_many :products_materials
  has_many :products, :through => :products_materials
  
  validates :title, presence: true
end

# models/product.rb
class Product < ActiveRecord::Base

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class Product < ActiveRecord::Base
  has_many :materials, :through => :product_materials
  has_many :products_material
end


class Material < ActiveRecord::Base
  belongs_to :product, :through => :products_material
  has_many :products_material
end

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class Product < ActiveRecord::Base
  has_many :materials, :through => :products_materials
end

class Material < ActiveRecord::Base
  belongs_to :product, :through => :products_materials
end

class ProductsMaterials < ActiveRecord::Base
  belongs_to :product

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ActiveRecord::StatementInvalid in Spree::Admin::ProductsController#create

SQLite3::SQLException: no such column: spree_visual_codes.type_id: SELECT "spree_visual_codes".* FROM "spree_visual_codes"  WHERE "spree_visual_codes"."code" IS NULL AND "spree_visual_codes"."type_id" IN (SELECT "spree_visual_code_types"."id" FROM "spree_visual_code_types"  WHERE "spree_visual_code_types"."name" = 'Barcode')
Rails.root: /Users/phong/Sites/warehouse

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<p data-hook="visual_code"><%= f.label :visual_codes, t(:singular, :scope => :visual_code) %>: <br />
  <%= f.text_field :visual_code %>
</p>

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phong:~/custom_gems/doktorj/spree_warehouse[(cd45c27...)]$ bundle exec rake test_app
Could not find gem 'rcov (>= 0) ruby' in any of the gem sources listed in your Gemfile.
phong:~/custom_gems/doktorj/spree_warehouse[(cd45c27...)]$ rake test_app

Generating dummy Rails application...
rake aborted!
Could not find gem 'rcov (>= 0) ruby' in any of the gem sources listed in your Gemfile.

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phong:~/custom_gems/doktorj/spree_warehouse[master]$ bundle exec rake test_app
/Users/phong/custom_gems/doktorj/spree_warehouse/Gemfile:1:in `evaluate': undefined local variable or method `?' for #<Bundler::Dsl:0x0000010109be40> (NameError)
	from /Users/phong/.rvm/gems/ruby-1.9.3-p0@rails3.1.3/gems/bundler-1.0.21/lib/bundler/dsl.rb:7:in `instance_eval'
	from /Users/phong/.rvm/gems/ruby-1.9.3-p0@rails3.1.3/gems/bundler-1.0.21/lib/bundler/dsl.rb:7:in `evaluate'
	from /Users/phong/.rvm/gems/ruby-1.9.3-p0@rails3.1.3/gems/bundler-1.0.21/lib/bundler/definition.rb:17:in `build'
	from /Users/phong/.rvm/gems/ruby-1.9.3-p0@rails3.1.3/gems/bundler-1.0.21/lib/bundler.rb:138:in `definition'
	from /Users/phong/.rvm/gems/ruby-1.9.3-p0@rails3.1.3/gems/bundler-1.0.21/lib/bundler.rb:126:in `load'
	from /Users/phong/.rvm/gems/ruby-1.9.3-p0@rails3.1.3/gems/bundler-1.0.21/lib/bundler.rb:110:in `setup'
	from /Users/phong/.rvm/gems/ruby-1.9.3-p0@rails3.1.3/gems/bundler-1.0.21/lib/bundler/cli.rb:340:in `exec'
	from /Users/phong/.rvm

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Hi.
does anyone see any syntax issues with this? @variants just prints out an empty array, even tho I have 2 product variants, with their count_on_hand fields set. Hoping it's something simple.

product_ids = Spree::Product.all.map(&:id)
product_ids.each do |id| 
  product = Spree::Product.find_by_id(id); @variants = product.variants.all; 
end
@variants.map(&:count_on_hand)

Thanx!

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Deface::Override.new(:virtual_path => "spree/layouts/admin/products",
                     :name => "spree_warehouse_add_visual_codes_to_edit_product_sidebar",
                     :insert_bottom => "[data-hook='admin_product_tabs']",
                     :text => "Visual Codes")

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module Spree
  class Role < ActiveRecord::Base
    has_and_belongs_to_many :users, :join_table => 'spree_roles_users'
  end
end