PayPal_Invoce.php

<?php
//paypal 
class Invoice {
  public $client_id;
  public $secret;
  public $access_token;
  public $paths;
  
  public function __construct(){
    $this->initalize();
  }

  public function initalize(){
    $this->paths = array();
    //general
    $this->paths["getAccessToken"] = "/v1/oauth2/token";  
    //invoicing
    $this->paths["create"]    = "/v1/invoicing/invoices";  
    $this->paths["invoicies"] = "/v1/invoicing/invoices"; 
    $this->paths["retrieve"]  = "/v1/invoicing/invoices/{invoiceId}"; 
    $this->paths["cancel"]    = "/v1/invoicing/invoices/{invoiceId}/cancel"; 
    $this->paths["delete"]    = "/v1/invoicing/invoices/{invoiceId}"; 
    $this->paths["update"]    = "/v1/invoicing/invoices/{invoiceId}"; 
    $this->paths["send"]    = "/v1/invoicing/invoices/{invoiceId}/send"; 


   
    $this->endpoint_host = "api.paypal.com";
    $this->schema = "https";

    // $this->client_id = "XXXXXXXXXX";
    // $this->secret = "XXXXXXXXXXXXXX";
    // $this->endpoint_host = "api.sandbox.paypal.com";

  }
  public function getAccessToken($id,$sec){
    $url = "{$this->schema}://{$this->endpoint_host}".$this->paths[__FUNCTION__];
    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          'Accept: application/json',
          "Accept-Language: en_US",
          "Authorization: Basic " . base64_encode($id . ":" . $sec)
      ),
      //USER
      //CURLOPT_USERPWD => "{$id}:{$sec}",
      //Method
      CURLOPT_POST => true,//POST
      //body
      CURLOPT_POSTFIELDS => "grant_type=client_credentials", 
    );

    $ret = $this->request($url,$options);
    $obj = json_decode($ret,true);
    $this->access_token["access_token"] = $obj["access_token"];
    var_dump($obj);
    return $ret;

  }
  public function invoicies($page=0, $page_size=100, $total_count_required=false)
  {

    $params = compact("page","page_size","total_count_required");
    $query = http_build_query($params);

    $url = "{$this->schema}://{$this->endpoint_host}".$this->paths[__FUNCTION__];
    $url = "$url?$query";

    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          "Authorization: Bearer {$this->access_token}",
      ),
      //Method
      CURLOPT_HTTPGET => true,//GET
    );
    $ret = $this->request($url,$options);
    //JSON整形
    $ret = json_decode($ret,false);
    $ret = json_encode($ret,JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);
    return $ret;

  }
  public function retrieve( $invoiceId ) 
  {
    $path = $this->paths[__FUNCTION__];
    $path = str_replace("{invoiceId}", $invoiceId, $path);

    $url = "{$this->schema}://{$this->endpoint_host}".$path;

    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          "Authorization: Bearer {$this->access_token}",
      ),
      //Method
      CURLOPT_HTTPGET => true,//GET
    );
    $ret = $this->request($url,$options);
    //JSON整形
    $ret = json_decode($ret,false);
    $ret = json_encode($ret,JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);
    return $ret;

    
  }
  public function isDraft($invoiceId){
    $ret = $this->retrieve($invoiceId);
    $ret = json_decode($ret,true);
    return $ret["status"] == "DRAFT";
  }

  public function send($invoiceId ) {

    $path = $this->paths[__FUNCTION__];
    $path = str_replace("{invoiceId}", $invoiceId, $path);
    $url = "{$this->schema}://{$this->endpoint_host}".$path;

    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          'Content-Type: application/json',
          "Authorization: Bearer {$this->access_token}",
      ),
      //Method
      CURLOPT_POST => true,//POST
      //body
    );


    $ret = $this->request($url,$options);
    return $ret;
  }
  

  public function cancel($invoiceId, $cancel_data=array()){

    $path = $this->paths[__FUNCTION__];
    $path = str_replace("{invoiceId}", $invoiceId, $path);
    $url = "{$this->schema}://{$this->endpoint_host}".$path;

    $cancel_data["subject"]  =  ($cancel_data["subject"])  ? $cancel_data["subject"] : "キャンセル扱い";
    $cancel_data["note"]     =  ($cancel_data["note"])  ? $cancel_data["note"] :  "メモ省略";
    $cancel_data["send_to_merchant"]  =  ($cancel_data["send_to_merchant"])  ? $cancel_data["send_to_merchant"] :  true;
    $cancel_data["send_to_payer"]     =  ($cancel_data["send_to_payer"])  ? $cancel_data["send_to_payer"] : false;

    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          'Content-Type: application/json',
          "Authorization: Bearer {$this->access_token}",
      ),
      //Method
      CURLOPT_POST => true,//POST
      //body
      CURLOPT_POSTFIELDS => json_encode($cancel_data, JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES ), //キャンセルするもの
    );


    $ret = $this->request($url,$options);
    return $ret;
  }

  public function delete($invoiceId) {

    $path = $this->paths[__FUNCTION__];
    $path = str_replace("{invoiceId}", $invoiceId, $path);
    $url = "{$this->schema}://{$this->endpoint_host}".$path;

    ///
    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          'Content-Type: application/json',
          "Authorization: Bearer {$this->access_token}",
      ),
      //Method
      CURLOPT_CUSTOMREQUEST => "DELETE",//DELETE
      //body
    );


    $ret = $this->request($url,$options);
    return $ret;
  }

  //デフォルトスタイルのInvoice作成テンプレ  
  public function invoice_obj(){
    $text = file_get_contents(__DIR__.DIRECTORY_SEPARATOR.("invoice_info_sample.json"));
    return json_decode($text,true);
  }

  public function create($invoice_info) {
    //json 整形
    $obj = json_decode($invoice_info);
    $invoice_info = json_encode($obj, JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES);
    //echo $invoice_info;
    //exit;
    //
    $url = "{$this->schema}://{$this->endpoint_host}".$this->paths[__FUNCTION__];
    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          'Content-Type: application/json',
          "Authorization: Bearer {$this->access_token}",
      ),
      //Method
      CURLOPT_POST => true,//POST
      //body
      CURLOPT_POSTFIELDS => $invoice_info, // 請求書本文
    );
    $ret = $this->request($url,$options);
    return $ret;
  }

  public function update($invoiceId,  $invoice_info)
  {
    //path解決
    $path = $this->paths[__FUNCTION__];
    $path = str_replace("{invoiceId}", $invoiceId, $path);
    $url = "{$this->schema}://{$this->endpoint_host}".$path;

    //json 整形
    $obj = json_decode($invoice_info);
    $invoice_info = json_encode($obj, JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES);

    $options = array(
      //HEADER
      CURLOPT_HTTPHEADER => array(
          'Content-Type: application/json',
          "Authorization: Bearer {$this->access_token}",
      ),
      //Method
      CURLOPT_CUSTOMREQUEST => "PUT",//PUT
      //body
      CURLOPT_POSTFIELDS => $invoice_info, // 請求書本文
    );
    $ret = $this->request($url,$options);
    return $ret;
  }

  public function request( $url, $options) {
    //var_dump($url);
    $curl = curl_init($url);

    //general     
    $options[CURLOPT_RETURNTRANSFER]=true;//実行結果取得
    $options[CURLOPT_HEADER] = true;//実行結果取得

    //var_dump($options);

    curl_setopt_array($curl, $options);
    $result = curl_exec($curl);
    $info   = curl_getinfo($curl);
    $status_code = $info["http_code"];


    if($status_code>=400){
      $header_size = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
      $header = substr($result, 0, $header_size);
      $body = substr($result, $header_size);
      var_dump($options);
      var_dump($header);
      var_dump($body);
      throw new \Exception("Paypalリクエスト失敗した.....");
      exit;
    }

    return $result;
  }

}

/*
*   
*   This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*/