[catalog-categories] Adding base names_scopes on product and category

Rodrigo Souto
1 parent c23f40da
Showing 4 changed files with 108 additions and 0 deletions Show diff stats
app/models/category.rb
app/models/product.rb
test/unit/category_test.rb
test/unit/product_test.rb
@@ -13,6 +13,16 @@ class Category &lt; ActiveRecord::Base
     {:conditions => ['parent_id is null and environment_id = ?', environment.id ]}
   }
+  named_scope :on_level, lambda { |parent| {:conditions => {:parent_id => parent}} }
+
+  named_scope :sub_categories, lambda { |category|
+    {:conditions => ['categories.path LIKE ? AND categories.id != ?', "%#{category.slug}%", category.id]}
+  }
+
+  named_scope :sub_tree, lambda { |category|
+    {:conditions => ['categories.path LIKE ?', "%#{category.slug}%"]}
+  }
+
   acts_as_filesystem
   has_many :article_categorizations, :dependent => :destroy
@@ -23,6 +23,10 @@ class Product &lt; ActiveRecord::Base
   named_scope :more_recent, :order => "created_at DESC"
+  named_scope :from_category, lambda { |category|
+    {:joins => :product_category, :conditions => ['categories.path LIKE ?', "%#{category.slug}%"]} if category
+  }
+
   after_update :save_image
   def lat
@@ -552,4 +552,62 @@ class CategoryTest &lt; ActiveSupport::TestCase
     cat.save!
   end
+  should 'return categories of a level' do
+    c1 = fast_create(Category)
+    c2 = fast_create(Category)
+    c3 = fast_create(Category, :parent_id => c1)
+    c4 = fast_create(Category, :parent_id => c1)
+    c5 = fast_create(Category, :parent_id => c2)
+    c6 = fast_create(Category, :parent_id => c3)
+
+    assert_includes Category.on_level(nil), c1
+    assert_includes Category.on_level(nil), c2
+    assert_includes Category.on_level(c1), c3
+    assert_includes Category.on_level(c1), c4
+    assert_includes Category.on_level(c2), c5
+    assert_includes Category.on_level(c3), c6
+  end
+
+  should 'on level named_scope must be able to receive parent or parent_id' do
+    parent = fast_create(Category)
+    category = fast_create(Category, :parent_id => parent)
+
+    assert_includes Category.on_level(parent), category
+    assert_includes Category.on_level(parent.id), category
+  end
+
+  should 'list category sub-categories' do
+    c1 = Category.create!(:name => 'Category 1', :environment => Environment.default)
+    c2 = Category.create!(:name => 'Category 2', :environment => Environment.default)
+    c3 = Category.create!(:name => 'Category 3', :environment => Environment.default, :parent_id => c1)
+    c4 = Category.create!(:name => 'Category 4', :environment => Environment.default, :parent_id => c1)
+    c5 = Category.create!(:name => 'Category 5', :environment => Environment.default, :parent_id => c3)
+
+    sub_categories = Category.sub_categories(c1)
+
+    assert ActiveRecord::NamedScope::Scope, sub_categories.class
+    assert_not_includes sub_categories, c1
+    assert_not_includes sub_categories, c2
+    assert_includes sub_categories, c3
+    assert_includes sub_categories, c4
+    assert_includes sub_categories, c5
+  end
+
+  should 'list category sub-tree' do
+    c1 = Category.create!(:name => 'Category 1', :environment => Environment.default)
+    c2 = Category.create!(:name => 'Category 2', :environment => Environment.default)
+    c3 = Category.create!(:name => 'Category 3', :environment => Environment.default, :parent_id => c1)
+    c4 = Category.create!(:name => 'Category 4', :environment => Environment.default, :parent_id => c1)
+    c5 = Category.create!(:name => 'Category 5', :environment => Environment.default, :parent_id => c3)
+
+    sub_tree = Category.sub_tree(c1)
+
+    assert ActiveRecord::NamedScope::Scope, sub_tree.class
+    assert_includes sub_tree, c1
+    assert_not_includes sub_tree, c2
+    assert_includes sub_tree, c3
+    assert_includes sub_tree, c4
+    assert_includes sub_tree, c5
+  end
+
 end
@@ -772,4 +772,40 @@ class ProductTest &lt; ActiveSupport::TestCase
     assert_equal [prod3, prod2, prod1], Product.more_recent
   end
+  should 'return products from a category' do
+    pc1 = ProductCategory.create!(:name => 'PC1', :environment => Environment.default)
+    pc2 = ProductCategory.create!(:name => 'PC2', :environment => Environment.default)
+    pc3 = ProductCategory.create!(:name => 'PC3', :environment => Environment.default, :parent => pc1)
+    p1 = fast_create(Product, :product_category_id => pc1)
+    p2 = fast_create(Product, :product_category_id => pc1)
+    p3 = fast_create(Product, :product_category_id => pc2)
+    p4 = fast_create(Product, :product_category_id => pc3)
+
+    products = Product.from_category(pc1)
+
+    assert_includes products, p1
+    assert_includes products, p2
+    assert_not_includes products, p3
+    assert_includes products, p4
+  end
+
+  should 'not crash if nil is passed to from_category' do
+    assert_nothing_raised do
+      Product.from_category(nil)
+    end
+  end
+
+  should 'return from_category scope untouched if passed nil' do
+    enterprise = fast_create(Enterprise)
+    p1 = fast_create(Product, :enterprise_id => enterprise.id)
+    p2 = fast_create(Product, :enterprise_id => enterprise.id)
+    p3 = fast_create(Product, :enterprise_id => enterprise.id)
+
+    products = enterprise.products.from_category(nil)
+
+    assert_includes products, p1
+    assert_includes products, p2
+    assert_includes products, p3
+  end
+
 end
	@@ -13,6 +13,16 @@ class Category < ActiveRecord::Base		@@ -13,6 +13,16 @@ class Category < ActiveRecord::Base
13	{:conditions => ['parent_id is null and environment_id = ?', environment.id ]}	13	{:conditions => ['parent_id is null and environment_id = ?', environment.id ]}
14	}	14	}
15		15
		16	+ named_scope :on_level, lambda { \|parent\| {:conditions => {:parent_id => parent}} }
		17	+
		18	+ named_scope :sub_categories, lambda { \|category\|
		19	+ {:conditions => ['categories.path LIKE ? AND categories.id != ?', "%#{category.slug}%", category.id]}
		20	+ }
		21	+
		22	+ named_scope :sub_tree, lambda { \|category\|
		23	+ {:conditions => ['categories.path LIKE ?', "%#{category.slug}%"]}
		24	+ }
		25	+
16	acts_as_filesystem	26	acts_as_filesystem
17		27
18	has_many :article_categorizations, :dependent => :destroy	28	has_many :article_categorizations, :dependent => :destroy
	@@ -552,4 +552,62 @@ class CategoryTest < ActiveSupport::TestCase		@@ -552,4 +552,62 @@ class CategoryTest < ActiveSupport::TestCase
552	cat.save!	552	cat.save!
553	end	553	end
554		554
		555	+ should 'return categories of a level' do
		556	+ c1 = fast_create(Category)
		557	+ c2 = fast_create(Category)
		558	+ c3 = fast_create(Category, :parent_id => c1)
		559	+ c4 = fast_create(Category, :parent_id => c1)
		560	+ c5 = fast_create(Category, :parent_id => c2)
		561	+ c6 = fast_create(Category, :parent_id => c3)
		562	+
		563	+ assert_includes Category.on_level(nil), c1
		564	+ assert_includes Category.on_level(nil), c2
		565	+ assert_includes Category.on_level(c1), c3
		566	+ assert_includes Category.on_level(c1), c4
		567	+ assert_includes Category.on_level(c2), c5
		568	+ assert_includes Category.on_level(c3), c6
		569	+ end
		570	+
		571	+ should 'on level named_scope must be able to receive parent or parent_id' do
		572	+ parent = fast_create(Category)
		573	+ category = fast_create(Category, :parent_id => parent)
		574	+
		575	+ assert_includes Category.on_level(parent), category
		576	+ assert_includes Category.on_level(parent.id), category
		577	+ end
		578	+
		579	+ should 'list category sub-categories' do
		580	+ c1 = Category.create!(:name => 'Category 1', :environment => Environment.default)
		581	+ c2 = Category.create!(:name => 'Category 2', :environment => Environment.default)
		582	+ c3 = Category.create!(:name => 'Category 3', :environment => Environment.default, :parent_id => c1)
		583	+ c4 = Category.create!(:name => 'Category 4', :environment => Environment.default, :parent_id => c1)
		584	+ c5 = Category.create!(:name => 'Category 5', :environment => Environment.default, :parent_id => c3)
		585	+
		586	+ sub_categories = Category.sub_categories(c1)
		587	+
		588	+ assert ActiveRecord::NamedScope::Scope, sub_categories.class
		589	+ assert_not_includes sub_categories, c1
		590	+ assert_not_includes sub_categories, c2
		591	+ assert_includes sub_categories, c3
		592	+ assert_includes sub_categories, c4
		593	+ assert_includes sub_categories, c5
		594	+ end
		595	+
		596	+ should 'list category sub-tree' do
		597	+ c1 = Category.create!(:name => 'Category 1', :environment => Environment.default)
		598	+ c2 = Category.create!(:name => 'Category 2', :environment => Environment.default)
		599	+ c3 = Category.create!(:name => 'Category 3', :environment => Environment.default, :parent_id => c1)
		600	+ c4 = Category.create!(:name => 'Category 4', :environment => Environment.default, :parent_id => c1)
		601	+ c5 = Category.create!(:name => 'Category 5', :environment => Environment.default, :parent_id => c3)
		602	+
		603	+ sub_tree = Category.sub_tree(c1)
		604	+
		605	+ assert ActiveRecord::NamedScope::Scope, sub_tree.class
		606	+ assert_includes sub_tree, c1
		607	+ assert_not_includes sub_tree, c2
		608	+ assert_includes sub_tree, c3
		609	+ assert_includes sub_tree, c4
		610	+ assert_includes sub_tree, c5
		611	+ end
		612	+
555	end	613	end
	@@ -772,4 +772,40 @@ class ProductTest < ActiveSupport::TestCase		@@ -772,4 +772,40 @@ class ProductTest < ActiveSupport::TestCase
772	assert_equal [prod3, prod2, prod1], Product.more_recent	772	assert_equal [prod3, prod2, prod1], Product.more_recent
773	end	773	end
774		774
		775	+ should 'return products from a category' do
		776	+ pc1 = ProductCategory.create!(:name => 'PC1', :environment => Environment.default)
		777	+ pc2 = ProductCategory.create!(:name => 'PC2', :environment => Environment.default)
		778	+ pc3 = ProductCategory.create!(:name => 'PC3', :environment => Environment.default, :parent => pc1)
		779	+ p1 = fast_create(Product, :product_category_id => pc1)
		780	+ p2 = fast_create(Product, :product_category_id => pc1)
		781	+ p3 = fast_create(Product, :product_category_id => pc2)
		782	+ p4 = fast_create(Product, :product_category_id => pc3)
		783	+
		784	+ products = Product.from_category(pc1)
		785	+
		786	+ assert_includes products, p1
		787	+ assert_includes products, p2
		788	+ assert_not_includes products, p3
		789	+ assert_includes products, p4
		790	+ end
		791	+
		792	+ should 'not crash if nil is passed to from_category' do
		793	+ assert_nothing_raised do
		794	+ Product.from_category(nil)
		795	+ end
		796	+ end
		797	+
		798	+ should 'return from_category scope untouched if passed nil' do
		799	+ enterprise = fast_create(Enterprise)
		800	+ p1 = fast_create(Product, :enterprise_id => enterprise.id)
		801	+ p2 = fast_create(Product, :enterprise_id => enterprise.id)
		802	+ p3 = fast_create(Product, :enterprise_id => enterprise.id)
		803	+
		804	+ products = enterprise.products.from_category(nil)
		805	+
		806	+ assert_includes products, p1
		807	+ assert_includes products, p2
		808	+ assert_includes products, p3
		809	+ end
		810	+
775	end	811	end