Add price rule service (#24)

* Add price rule service functions

* Update PriceRuleFields

* Fix typo in DiscountCodeService

Author: robwittman

.gitignore

@@ -16,3 +16,5 @@ clover.xml
 .auth
 
 test.php
+
+.idea

lib/Enum/Fields/PriceRuleFields.php

@@ -4,48 +4,62 @@
 
 class PriceRuleFields extends AbstractObjectEnum
 {
+    const ALLOCATION_METHOD = 'allocation_method';
     const CREATED_AT = 'created_at';
+    const CUSTOMER_SELECTION = 'customer_selection';
+    const ENDS_AT = 'ends_at';
+    const ENTITLED_COLLECTION_IDS = 'entitled_collection_ids';
+    const ENTITLED_COUNTRY_IDS = 'entitled_country_ids';
+    const ENTITLED_PRODUCT_IDS = 'entitled_product_ids';
+    const ENTITLED_VARIANT_IDS = 'entitled_variant_ids';
     const ID = 'id';
-    const TITLE = 'title';
-    const TARGET_TYPE = 'target_type';
-    const TARGET_SELECTIN = 'target_selection';
-    const ALLOCATION_METHOD = 'allocation_method';
-    const VALUE_TYPE = 'value_type';
-    const VALUE = 'value';
     const ONCE_PER_CUSTOMER = 'once_per_customer';
-    const USAGE_LIMIT = 'usage_limit';
-    const CUSTOMER_SELECTION = 'customer_selection';
+    const PREREQUISITE_CUSTOMER_IDS = 'prerequisite_customer_ids';
+    const PREREQUISITE_QUANTITY_RANGE = 'prerequisite_quantity_range';
     const PREREQUISITE_SAVED_SEARCH_IDS = 'prerequisite_saved_search_ids';
-    const PREREQUISITE_SUBTOTAL_RANGE = 'prerequisite_subtotal_range';
     const PREREQUISITE_SHIPPING_PRICE_RANGE = 'prerequisite_shipping_price_range';
-    const ENTITLED_PRODUCT_IDS = 'entitled_product_ids';
-    const ENTITLED_COLLECTION_IDS = 'entitled_collection_ids';
-    const ENTITLED_COUNTRY_IDS = 'entitled_country_ids';
+    const PREREQUISITE_SUBTOTAL_RANGE = 'prerequisite_subtotal_range';
     const STARTS_AT = 'starts_at';
-    const ENDS_AT = 'ends_at';
+    const TARGET_SELECTION = 'target_selection';
+    const TARGET_TYPE = 'target_type';
+    const TITLE = 'title';
+    const USAGE_LIMIT = 'usage_limit';
+    const PREREQUISITE_PRODUCT_IDS = 'prerequisite_product_ids';
+    const PREREQUISITE_VARIANT_IDS = 'prerequisite_variant_ids';
+    const PREREQUISITE_COLLECTION_IDS = 'prerequisite_collection_ids';
+    const VALUE_TYPE = 'value_type';
+    const VALUE = 'value';
+    const PREREQUISITE_TO_ENTITLEMENT_QUANTITY_RATIO = 'prerequisite_to_entitlement_quantity_ratio';
 
     public function getFieldTypes()
     {
         return array(
+            'allocation_method' => 'string',
             'created_at' => 'DateTime',
+            'customer_selection' => 'string',
+            'ends_at' => 'DateTime',
+            'entitled_collection_ids' => 'array',
+            'entitled_country_ids' => 'array',
+            'entitled_product_ids' => 'array',
+            'entitled_variant_ids' => 'array',
             'id' => 'integer',
-            'title' => 'string',
-            'target_type' => 'string',
-            'target_selection' => 'string',
-            'allocation_method' => 'string',
-            'value_type' => 'string',
-            'value' => "string",
             'once_per_customer' => 'boolean',
-            'usage_limit' => 'integer',
-            'customer_selection' => 'string',
+            'prerequisite_customer_ids' => 'array',
+            'prerequisite_quantity_range' => 'array',
             'prerequisite_saved_search_ids' => 'array',
+            'prerequisite_shipping_price_range' => 'object',
             'prerequisite_subtotal_range' => 'object',
-            'entitled_product_ids' => 'array',
-            'entitled_variant_ids' => 'array',
-            'entitled_collection_ids' => 'array',
-            'entitled_country_ids' => 'array',
             'starts_at' => 'DateTime',
-            'ends_at' => 'DateTime'
+            'target_selection' => 'string',
+            'target_type' => 'string',
+            'title' => 'string',
+            'usage_limit' => 'integer',
+            'prerequisite_product_ids' => 'array',
+            'prerequisite_variant_ids' => 'array',
+            'prerequisite_collection_ids' => 'array',
+            'value' => "string",
+            'value_type' => 'string',
+            'prerequisite_to_entitlement_quantity_ratio' => 'object'
         );
     }
 }

lib/Service/DiscountCodeService.php

@@ -17,7 +17,7 @@ class DiscountCodeService extends AbstractService
     public function all($priceRuleId, array $params = array())
     {
         $endpoint = '/admin/price_rules/'.$priceRuleId.'/discount_codes.json';
-        $request = $this->request($endpoint, 'GET', $params);
+        $response = $this->request($endpoint, 'GET', $params);
         return $this->createCollection(DiscountCode::class, $response['discount_codes']);
     }
 

lib/Service/PriceRuleService.php

@@ -6,5 +6,51 @@
 
 class PriceRuleService extends AbstractService
 {
-    
+    public function all(array $params = array())
+    {
+        $endpoint = '/admin/price_rules.json';
+        $response = $this->request($endpoint, 'GET', $params);
+        return $this->createCollection(PriceRule::class, $response['price_rules']);
+    }
+
+    public function get($priceRuleId, array $fields = array())
+    {
+        $params = array();
+        if (!empty($fields)) {
+            $params['fields'] = $fields;
+        }
+        $endpoint = '/admin/price_rules/'.$priceRuleId.'.json';
+        $response = $this->request($endpoint, 'GET', $params);
+        return $this->createObject(PriceRule::class, $response['price_rule']);
+    }
+
+    public function create(PriceRule &$priceRule)
+    {
+        $data = $priceRule->exportData();
+        $endpoint = '/admin/price_rules.json';
+        $response = $this->request(
+            $endpoint,
+            'POST',
+            array('price_rule' => $data)
+        );
+        $priceRule->setData($response['price_rule']);
+    }
+
+    public function update(PriceRule &$priceRule)
+    {
+        $data = $priceRule->exportData();
+        $endpoint = '/admin/price_rules/'.$priceRule->id.'.json';
+        $response = $this->request(
+            $endpoint, 'PUT', array(
+                'price_rule' => $data
+            )
+        );
+        $priceRule->setData($response['price_rule']);
+    }
+
+    public function delete(PriceRule $priceRule)
+    {
+        $endpoint = '/admin/price_rules/'.$priceRule->id.'.json';
+        $this->request($endpoint, 'DELETE');
+    }
 }