paginate search results

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    instacart_api (0.1.0)
+    instacart_api (0.1.6)
 
 GEM
   remote: https://rubygems.org/

example_usage.rb

@@ -9,6 +9,7 @@
 )
 
 bananas = client.search(term: "banana")
+# => Array of searh result Items
 
 # sorting will compare items by price
-client.add_item_to_cart(item_id: bananas.sort.first.id, quantity: 1)
+# client.add_item_to_cart(item_id: bananas.sort.first.id, quantity: 1)

lib/instacart_api/actions/search.rb

@@ -5,25 +5,43 @@
 module InstacartApi
   module Search
     def search(term:, store: default_store)
-      term_query = URI.encode(term)
-      response = get(url: "v3/containers/#{store}/search_v3/#{term_query}?per=40")
+      @term_query = URI.encode(term)
+      @store = store
+      @items = []
+      @page = 1
 
-      parse_search_response(response: response.body)
+      data_json = fetch_items
+      total_pages = data_json.dig("pagination", "total_pages")
+
+      while @page < total_pages
+        @page += 1
+        fetch_items
+      end
+
+      @items
     end
 
     private
 
-    def parse_search_response(response:)
-      items_json(response: response).map do |item_json|
-        Item.new(item_json)
+    def fetch_items
+      response = get(
+        url: "v3/containers/#{@store}/search_v3/#{@term_query}" \
+             "?per=40&page=#{@page}"
+      )
+
+      data_json = data_json(response: response)
+      data_json.fetch("items").map do |item_json|
+        @items << Item.new(item_json)
       end
+
+      data_json
     end
 
-    def items_json(response:)
-      json_body = JSON.parse(response)
+    def data_json(response:)
+      json_body = JSON.parse(response.body)
       json_body.dig("container", "modules").find do |mod|
         mod["id"] =~ /search_result_set_/
-      end.dig("data", "items")
+      end.fetch("data")
     end
   end
 end

lib/instacart_api/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module InstacartApi
-  VERSION = "0.1.5"
+  VERSION = "0.1.6"
 end