removed redundant ribica name from subfolders

front-api/models/category.rb

@@ -0,0 +1,4 @@
+class Category < ActiveRecord::Base
+  has_many  :sub_categories
+  belongs_to :section
+end

front-api/models/item.rb

@@ -0,0 +1,12 @@
+class Item < ActiveRecord::Base
+  belongs_to :unit
+  has_many :multi_media_descriptions
+  belongs_to :sub_category
+
+  # TODO: change "best selling" algorithm when get some data - currently it's only sorted by earnings
+  scope :best_selling, -> (offset, limit) { where(:on_display => true).order("(list_price - current_input_price) DESC").limit(limit).offset(offset) }
+  scope :best_selling_in_sub_category, -> (sub_category_id, offset, limit) {  best_selling(offset, limit).where(sub_category_id: sub_category_id) }
+  scope :best_selling_in_category, -> (category_id, offset, limit) {  best_selling(offset, limit).joins( sub_category: [:category] ).where(["category_id = ?", category_id]) }
+  scope :best_selling_in_section, -> (section_id, offset, limit) {  best_selling(offset, limit).joins( sub_category: [category: [ :section ]] ).where( ["section_id = ?", section_id] ) }
+
+end

front-api/models/media_type.rb

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+class MediaType < ActiveRecord::Base
+  has_many :multi_media_descriptions
+end

front-api/models/multi_media_description.rb

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+class MultiMediaDescription < ActiveRecord::Base
+  belongs_to :item
+  belongs_to :media_type
+
+end

front-api/models/section.rb

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+class Section < ActiveRecord::Base
+  has_many :categories
+end

front-api/models/sub_category.rb

@@ -0,0 +1,5 @@
+class SubCategory < ActiveRecord::Base
+  belongs_to :category
+end
+
+

front-api/models/unit.rb

@@ -0,0 +1,2 @@
+class Unit < ActiveRecord::Base
+end