Adds new recommend_ship_date and estimate_delivery_date functions (#306)

Author: jchen293

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Next Release
 
+- Adds new `shipment.recommend_ship_date`, `smartrate.recommend_ship_date`, and `smartrate.estimate_delivery_date` functions
 - Routes `UpsAccount`, `UpsMailInnovationsAccount`, and `UpsSurepostAccount` create/update requests to the new `/ups_oauth_registrations` endpoint
   - Starting `2024-08-05`, UPS accounts will require a new payload to register or update. See [UPS OAuth 2.0 Update](https://support.easypost.com/hc/en-us/articles/26635027512717-UPS-OAuth-2-0-Update?utm_medium=email&_hsenc=p2ANqtz-96MmFtWICOzy9sKRbbcZSiMovZSrY3MSX1_bgY9N3f9yLVfWQdLhjAGq-SmNcOnDIS6GYhZ0OApjDBrGkKyLLMx1z6_TFOVp6-wllhEFQINrkuRuc&_hsmi=313130292&utm_content=313130292&utm_source=hs_email) for more details
 

lib/easypost/client.rb

@@ -56,6 +56,7 @@ def initialize(api_key:, read_timeout: 60, open_timeout: 30, api_base: 'https://
     EasyPost::Services::Report,
     EasyPost::Services::ScanForm,
     EasyPost::Services::Shipment,
+    EasyPost::Services::SmartRate,
     EasyPost::Services::Tracker,
     EasyPost::Services::User,
     EasyPost::Services::Webhook,

lib/easypost/services.rb

@@ -28,6 +28,7 @@ module EasyPost::Services
 require_relative 'services/report'
 require_relative 'services/scan_form'
 require_relative 'services/shipment'
+require_relative 'services/smart_rate'
 require_relative 'services/tracker'
 require_relative 'services/user'
 require_relative 'services/webhook'

lib/easypost/services/shipment.rb

@@ -118,4 +118,13 @@ def retrieve_estimated_delivery_date(id, planned_ship_date)
 
     EasyPost::InternalUtilities::Json.convert_json_to_object(response, MODEL_CLASS).rates
   end
+
+  # Retrieve a recommended ship date for an existing Shipment via the Precision Shipping API, based on a specific desired delivery date.
+  def recommend_ship_date(id, desired_delivery_date)
+    url = "shipments/#{id}/smartrate/precision_shipping"
+    params = { desired_delivery_date: desired_delivery_date }
+    response = @client.make_request(:get, url, params)
+
+    EasyPost::InternalUtilities::Json.convert_json_to_object(response, MODEL_CLASS).rates
+  end
 end

lib/easypost/services/smart_rate.rb

@@ -0,0 +1,19 @@
+class EasyPost::Services::SmartRate < EasyPost::Services::Service
+  # Retrieve the estimated delivery date of each carrier-service level combination via the
+  # Smart Deliver By API, based on a specific ship date and origin-destination postal code pair.
+  def estimate_delivery_date(params = {})
+    url = 'smartrate/deliver_by'
+
+    response = @client.make_request(:post, url, params)
+    EasyPost::InternalUtilities::Json.convert_json_to_object(response, EasyPost::Models::EasyPostObject)
+  end
+
+  # Retrieve a recommended ship date for each carrier-service level combination via the
+  # Smart Deliver On API, based on a specific delivery date and origin-destination postal code pair.
+  def recommend_ship_date(params = {})
+    url = 'smartrate/deliver_on'
+
+    response = @client.make_request(:post, url, params)
+    EasyPost::InternalUtilities::Json.convert_json_to_object(response, EasyPost::Models::EasyPostObject)
+  end
+end