Añade búsqueda de productos

3 files changed, 93 insertions, 0 deletions

diff --git a/app/queries/searches/base_search.rb b/app/queries/searches/base_search.rb
new file mode 100644
index 0000000..b8c49d4
--- /dev/null
+++ b/app/queries/searches/base_search.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+module Searches
+  # BaseSearch
+  class BaseSearch
+    def initialize(scope, params)
+      @scope = scope
+      @params = params
+      @scope_filter = ScopeFilters::ProductScopeFilter.new(scope, @params)
+    end
+  end
+end
diff --git a/app/queries/searches/product_search.rb b/app/queries/searches/product_search.rb
new file mode 100644
index 0000000..d426211
--- /dev/null
+++ b/app/queries/searches/product_search.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Searches
+  # ProductSearch
+  class ProductSearch < BaseSearch
+    def call
+      @scope_filter.by_name
+                   .by_company
+                   .by_category
+                   .order_by_available_quantity
+                   .order_by_price
+                   .order_by_bulk_price
+                   .query_result
+    end
+  end
+end
diff --git a/app/queries/searches/scope_filters/product_scope_filter.rb b/app/queries/searches/scope_filters/product_scope_filter.rb
new file mode 100644
index 0000000..d6f254d
--- /dev/null
+++ b/app/queries/searches/scope_filters/product_scope_filter.rb
@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+module Searches
+  module ScopeFilters
+    # ProductScopeFilter
+    class ProductScopeFilter
+      def initialize(scope, params)
+        @scope = scope
+        @params = params
+      end
+
+      def query_result
+        @scope
+      end
+
+      def order_by_price
+        return self unless invalid_order_by_param(:price)
+
+        @scope = @scope.order(unitary_price: @params[:price].to_sym)
+        self
+      end
+
+      def order_by_bulk_price
+        return self unless invalid_order_by_param(:bulk_price)
+
+        @scope = @scope.order(bulk_price: @params[:bulk_price].to_sym)
+        self
+      end
+
+      def by_category
+        return self unless @params[:category].present?
+
+        @scope = @scope.where("'categories' LIKE ?", "%#{@params[:category]}%")
+        self
+      end
+
+      def order_by_available_quantity
+        return self unless invalid_order_by_param(:quantity)
+
+        @scope = @scope.order(available_quantity: @params[:quantity].to_sym)
+        self
+      end
+
+      def by_company
+        return self unless @params[:company].present?
+
+        @scope = @scope.where('companies.short_name = ?', "#{@params[:company]}")
+        self
+      end
+
+      def by_name
+        return self unless @params[:name].present?
+
+        @scope = @scope.where('LOWER(products.name) LIKE ?', "%#{@params[:name]}%")
+        self
+      end
+
+      private
+
+      def invalid_order_by_param(param_symbol)
+        @params[param_symbol].present? || %w[asc desc].include?(@params[param_symbol])
+      end
+    end
+  end
+end