Add functions for pagination.

src/Traits/PayPalAPI.php

@@ -88,4 +88,46 @@ private function setPayPalAppId(array $response)
 
         $this->config['app_id'] = $app_id;
     }
+
+    /**
+     * Set records per page for list resources API calls.
+     *
+     * @param int $size
+     *
+     * @return \Srmklive\PayPal\Services\PayPal
+     */
+    public function setPageSize(int $size): \Srmklive\PayPal\Services\PayPal
+    {
+        $this->page_size = $size;
+
+        return $this;
+    }
+
+    /**
+     * Set the current page for list resources API calls.
+     *
+     * @param int $size
+     *
+     * @return \Srmklive\PayPal\Services\PayPal
+     */
+    public function setCurrentPage(int $page): \Srmklive\PayPal\Services\PayPal
+    {
+        $this->current_page = $page;
+
+        return $this;
+    }
+
+    /**
+     * Toggle whether totals for list resources are returned after every API call.
+     *
+     * @param bool $totals
+     *
+     * @return \Srmklive\PayPal\Services\PayPal
+     */
+    public function showTotals(bool $totals): \Srmklive\PayPal\Services\PayPal
+    {
+        $this->show_totals = $totals;
+
+        return $this;
+    }
 }

src/Traits/PayPalAPI/BillingPlans.php

@@ -31,21 +31,15 @@ public function createPlan(array $data)
     /**
      * List all billing plans.
      *
-     * @param int  $page
-     * @param int  $size
-     * @param bool $totals
-     *
      * @throws \Throwable
      *
      * @return array|\Psr\Http\Message\StreamInterface|string
      *
      * @see https://developer.paypal.com/docs/api/subscriptions/v1/#plans_list
      */
-    public function listPlans(int $page = 1, int $size = 20, bool $totals = true)
+    public function listPlans()
     {
-        $totals = ($totals) ? 'true' : 'false';
-
-        $this->apiEndPoint = "v1/billing/plans?page={$page}&page_size={$size}&total_required={$totals}";
+        $this->apiEndPoint = "v1/billing/plans?page={$this->current_page}&page_size={$this->page_size}&total_required={$this->show_totals}";
 
         $this->verb = 'get';
 

src/Traits/PayPalAPI/CatalogProducts.php

@@ -29,21 +29,15 @@ public function createProduct(array $data)
     /**
      * List products.
      *
-     * @param int  $page
-     * @param int  $size
-     * @param bool $totals
-     *
      * @throws \Throwable
      *
      * @return array|\Psr\Http\Message\StreamInterface|string
      *
      * @see https://developer.paypal.com/docs/api/catalog-products/v1/#products_list
      */
-    public function listProducts(int $page = 1, int $size = 20, bool $totals = true)
+    public function listProducts()
     {
-        $totals = ($totals === true) ? 'true' : 'false';
-
-        $this->apiEndPoint = "v1/catalogs/products?page={$page}&page_size={$size}&total_required={$totals}";
+        $this->apiEndPoint = "v1/catalogs/products?page={$this->current_page}&page_size={$this->page_size}&total_required={$this->show_totals}";
 
         $this->verb = 'get';
 

src/Traits/PayPalAPI/Disputes.php

@@ -25,16 +25,16 @@ public function listDisputes()
     /**
      * Update a dispute.
      *
-     * @param array  $data
      * @param string $dispute_id
+     * @param array  $data
      *
      * @throws \Throwable
      *
      * @return array|\Psr\Http\Message\StreamInterface|string
      *
      * @see https://developer.paypal.com/docs/api/customer-disputes/v1/#disputes_patch
      */
-    public function updateDispute(array $data, string $dispute_id)
+    public function updateDispute(string $dispute_id, array $data)
     {
         $this->apiEndPoint = "v1/customer/disputes/{$dispute_id}";
 

src/Traits/PayPalAPI/Invoices.php

@@ -47,9 +47,6 @@ public function createInvoice(array $data)
     /**
      * Get list of invoices.
      *
-     * @param int   $page
-     * @param int   $size
-     * @param bool  $totals
      * @param array $fields
      *
      * @throws \Throwable
@@ -58,15 +55,13 @@ public function createInvoice(array $data)
      *
      * @see https://developer.paypal.com/docs/api/invoicing/v2/#invoices_list
      */
-    public function listInvoices(int $page = 1, int $size = 20, bool $totals = true, array $fields = [])
+    public function listInvoices(array $fields = [])
     {
-        $totals = ($totals === true) ? 'true' : 'false';
-
         $fields_list = collect($fields);
 
         $fields = ($fields_list->count() > 0) ? "&fields={$fields_list->implode(',')}" : '';
 
-        $this->apiEndPoint = "v2/invoicing/invoices?page={$page}&page_size={$size}&total_required={$totals}{$fields}";
+        $this->apiEndPoint = "v2/invoicing/invoices?page={$this->current_page}&page_size={$this->page_size}&total_required={$this->show_totals}{$fields}";
 
         $this->verb = 'get';
 

src/Traits/PayPalAPI/InvoicesSearch.php

@@ -11,27 +11,21 @@ trait InvoicesSearch
     /**
      * Search and return existing invoices.
      *
-     * @param int  $page
-     * @param int  $size
-     * @param bool $totals
-     *
      * @throws \Throwable
      *
      * @return array|\Psr\Http\Message\StreamInterface|string
      *
      * @see https://developer.paypal.com/docs/api/invoicing/v2/#invoices_list
      */
-    public function searchInvoices(int $page = 1, int $size = 20, bool $totals = true)
+    public function searchInvoices()
     {
-        $totals = ($totals === true) ? 'true' : 'false';
-
         if (collect($this->invoice_search_filters)->count() < 1) {
             $this->invoice_search_filters = [
                 'currency_code' => $this->getCurrency(),
             ];
         }
 
-        $this->apiEndPoint = "v2/invoicing/search-invoices?page={$page}&page_size={$size}&total_required={$totals}";
+        $this->apiEndPoint = "v2/invoicing/search-invoices?page={$this->current_page}&page_size={$this->page_size}&total_required={$this->show_totals}";
 
         $this->options['json'] = $this->invoice_search_filters;
 

src/Traits/PayPalAPI/InvoicesTemplates.php

@@ -29,8 +29,6 @@ public function createInvoiceTemplate(array $data)
     /**
      * Get list of invoice templates.
      *
-     * @param int    $page
-     * @param int    $size
      * @param string $fields
      *
      * @throws \Throwable
@@ -39,9 +37,9 @@ public function createInvoiceTemplate(array $data)
      *
      * @see https://developer.paypal.com/docs/api/invoicing/v2/#templates_list
      */
-    public function listInvoiceTemplates(int $page = 1, int $size = 20, string $fields = 'all')
+    public function listInvoiceTemplates(string $fields = 'all')
     {
-        $this->apiEndPoint = "v2/invoicing/templates?page={$page}&page_size={$size}&fields={$fields}";
+        $this->apiEndPoint = "v2/invoicing/templates?page={$this->current_page}&page_size={$this->page_size}&fields={$fields}";
 
         $this->verb = 'get';
 

src/Traits/PayPalAPI/Reporting.php

@@ -11,23 +11,21 @@ trait Reporting
      *
      * @param array  $filters
      * @param string $fields
-     * @param int    $page
-     * @param int    $page_size
      *
      * @throws \Throwable
      *
      * @return array|\Psr\Http\Message\StreamInterface|string
      *
      * @see https://developer.paypal.com/docs/api/transaction-search/v1/#transactions_get
      */
-    public function listTransactions(array $filters, string $fields = 'all', int $page = 1, int $page_size = 100)
+    public function listTransactions(array $filters, string $fields = 'all')
     {
         $filters_list = collect($filters)->isEmpty() ? '' :
             collect($filters)->map(function ($value, $key) {
                 return "{$key}={$value}&";
             })->implode('');
 
-        $this->apiEndPoint = "v1/reporting/transactions?{$filters_list}fields={$fields}&page={$page}&page_size={$page_size}";
+        $this->apiEndPoint = "v1/reporting/transactions?{$filters_list}fields={$fields}&page={$this->current_page}&page_size={$this->page_size}";
 
         $this->verb = 'get';
 

src/Traits/PayPalRequest.php

@@ -44,6 +44,27 @@ trait PayPalRequest
      */
     protected $options;
 
+    /**
+     * Set limit to total records per API call.
+     *
+     * @var int
+     */
+    protected $page_size = 20;
+
+    /**
+     * Set the current page for list resources API calls.
+     *
+     * @var bool
+     */
+    protected $current_page = 1;
+
+    /**
+     * Toggle whether totals for list resources are returned after every API call.
+     *
+     * @var bool
+     */
+    protected $show_totals = true;
+
     /**
      * Set PayPal API Credentials.
      *

tests/Feature/AdapterBillingPlansPricingHelpersTest.php

@@ -54,4 +54,27 @@ public function it_can_update_pricing_schemes_for_a_billing_plan()
 
         $this->assertEmpty($response);
     }
+
+    /** @test */
+    public function it_can_set_custom_limits_when_listing_billing_plans()
+    {
+        $this->client->setAccessToken([
+            'access_token'  => self::$access_token,
+            'token_type'    => 'Bearer',
+        ]);
+
+        $this->client = $this->client->setPageSize(30)
+            ->showTotals(true);
+
+        $this->client->setClient(
+            $this->mock_http_client(
+                $this->mockListPlansResponse()
+            )
+        );
+
+        $response = $this->client->setCurrentPage(1)->listPlans();
+
+        $this->assertNotEmpty($response);
+        $this->assertArrayHasKey('plans', $response);      
+    }
 }

tests/Feature/AdapterFeatureTest.php

@@ -308,7 +308,7 @@ public function it_can_partially_update_a_dispute()
 
         $expectedParams = $this->updateDisputeParams();
 
-        $response = $this->client->updateDispute($expectedParams, 'PP-D-27803');
+        $response = $this->client->updateDispute('PP-D-27803', $expectedParams);
 
         $this->assertEmpty($response);
     }

tests/Unit/Adapter/DisputesTest.php

@@ -42,7 +42,7 @@ public function it_can_partially_update_a_dispute()
         $mockClient->setApiCredentials($this->getMockCredentials());
         $mockClient->getAccessToken();
 
-        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}($expectedParams, 'PP-D-27803'));
+        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('PP-D-27803', $expectedParams));
     }
 
     /** @test */

tests/Unit/Adapter/InvoicesTest.php

@@ -57,7 +57,7 @@ public function it_can_list_current_invoices()
         $mockClient->setApiCredentials($this->getMockCredentials());
         $mockClient->getAccessToken();
 
-        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}(1, 2, true));
+        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}());
     }
 
     /** @test */