From 62ebfcb0901002c1377d5677ed1a0d062ab94ff0 Mon Sep 17 00:00:00 2001
From: HombreLaser <sebastian-440@live.com>
Date: Sun, 16 Apr 2023 13:02:26 -0600
Subject: Añade búsqueda de productos
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---
 app/controllers/api/products_controller.rb         |  9 ++-
 app/queries/searches/base_search.rb                | 12 ++++
 app/queries/searches/product_search.rb             | 16 ++++++
 .../searches/scope_filters/product_scope_filter.rb | 65 ++++++++++++++++++++++
 4 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 app/queries/searches/base_search.rb
 create mode 100644 app/queries/searches/product_search.rb
 create mode 100644 app/queries/searches/scope_filters/product_scope_filter.rb

(limited to 'app')

diff --git a/app/controllers/api/products_controller.rb b/app/controllers/api/products_controller.rb
index 9ebdac8..59019d0 100644
--- a/app/controllers/api/products_controller.rb
+++ b/app/controllers/api/products_controller.rb
@@ -10,7 +10,8 @@ module Api
     end
 
     def index
-      @products = Product.all
+      @search = Searches::ProductSearch.new(scope, search_params)
+      @products = @search.call
 
       render json: serialized_collection.serializable_hash, status: :ok
     end
@@ -59,7 +60,7 @@ module Api
     end
 
     def serialized_collection
-      ProductSerializer.new(scope.page(params[:page]))
+      ProductSerializer.new(@products.page(params[:page]))
     end
 
     def permitted_params
@@ -72,5 +73,9 @@ module Api
       public_id = SecureRandom.hex(12) while Product.exists?(public_id:)
       permitted_params.merge(categories:, public_id:)
     end
+
+    def search_params
+      params.permit(:name, :company, :category, :quantity, :bulk_price, :price)
+    end
   end
 end
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
-- 
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