Add Countries to the REST API.

htdocs/api/class/api_countries.class.php

+<?php
+/*
+ * Copyright (C) 2016 Xebax Christy <xebax@wanadoo.fr>
+ *
+ * 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/>.
+ */
+
+use Luracast\Restler\RestException;
+
+require_once DOL_DOCUMENT_ROOT.'/main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/core/class/ccountry.class.php';
+
+/**
+ * API class for countries
+ *
+ * @access protected
+ * @class DolibarrApiAccess {@requires user,external}
+ */
+class Countries extends DolibarrApi
+{
+    private $translations = null;
+
+    /**
+     * Constructor
+     */
+    function __construct()
+    {
+        global $db;
+        $this->db = $db;
+    }
+
+    /**
+     * Get the list of countries.
+     *
+     * The names of the countries will be translated to the given language if
+     * the $lang parameter is provided. The value of $lang must be a language
+     * code supported by Dolibarr, for example 'en_US' or 'fr_FR'.
+     * The returned list is sorted by country ID.
+     *
+     * @param string    $filter    To filter the countries by name
+     * @param int       $limit     Number of items per page
+     * @param int       $page      Page number (starting from zero)
+     * @param string    $lang      Code of the language the names of the
+     *                             countries must be translated to
+     * @return List of countries
+     *            
+     * @throws RestException
+     */
+    function index($filter = '', $limit = 0, $page = 0, $lang = '')
+    {
+        $list = array();
+
+        // Note: The filter is not applied in the SQL request because it must
+        // be applied to the translated names, not to the names in database.
+        $sql = "SELECT rowid FROM ".MAIN_DB_PREFIX."c_country ORDER BY rowid";
+
+        if ($limit) {
+            if ($page < 0) {
+                $page = 0;
+            }
+            $offset = $limit * $page;
+            
+            $sql .= $this->db->plimit($limit, $offset);
+        }
+
+        $result = $this->db->query($sql);
+
+        if ($result) {
+            $num = $this->db->num_rows($result);
+            for ($i = 0; $i < $num; $i++) {
+                $obj = $this->db->fetch_object($result);
+                $country = new Ccountry($this->db);
+                if ($country->fetch($obj->rowid) > 0) {
+                    // Translate the name of the country if needed
+                    // and then apply the filter if there is one.
+                    $this->translateLabel($country, $lang);
+
+                    if (empty($filter) || stripos($country->label, $filter) !== FALSE) {
+                        $list[] = $this->_cleanObjectDatas($country);
+                    }
+                }
+            }
+        } else {
+            throw new RestException(503, 'Error when retrieving list of countries : '.$country->error);
+        }
+        
+        return $list;
+    }
+
+    /**
+     * Get country by ID.
+     *
+     * @param int       $id        ID of country
+     * @param string    $lang      Code of the language the name of the
+     *                             country must be translated to
+     *            
+     * @throws RestException
+     */
+    function get($id, $lang = '')
+    {
+        $country = new Ccountry($this->db);
+
+        if ($country->fetch($id) < 0) {
+            throw new RestException(503, 'Error when retrieving country : '.$country->error);
+        }
+        else if ($country->fetch($id) == 0) {
+            throw new RestException(404, 'country not found');
+        }
+
+        $this->translateLabel($country, $lang);
+
+        return $this->_cleanObjectDatas($country);
+    }
+
+    /**
+     * Clean sensible object datas
+     *
+     * @param object    $object    Object to clean
+     * @return array Array of cleaned object properties
+     */
+    function _cleanObjectDatas($object)
+    {
+        $object = parent::_cleanObjectDatas($object);
+        
+        unset($object->error);
+        unset($object->errors);
+        
+        return $object;
+    }
+
+    /**
+     * Translate the name of the country to the given language.
+     * 
+     * @param Ccountry $country
+     * @param string   $lang
+     */
+    private function translateLabel($country, $lang)
+    {
+        if (!empty($lang)) {
+            // Load the translations if this is a new language.
+            if ($this->translations == null || $this->translations->getDefaultLang() !== $lang) {
+                global $conf;
+                $this->translations = new Translate('', $conf);
+                $this->translations->setDefaultLang($lang);
+                $this->translations->load('dict');
+            }
+            if ($country->code) {
+                $key = 'Country'.$country->code;
+                $translation = $this->translations->trans($key);
+                if ($translation != $key) {
+                    $country->label = html_entity_decode($translation);
+                }
+            }
+        }
+    }
+}

htdocs/core/class/ccountry.class.php

@@ -143,7 +143,7 @@ class Ccountry // extends CommonObject
      *
      *  @param      int		$id    	Id object
      *  @param		string	$code	Code
-     *  @return     int          	<0 if KO, >0 if OK
+     *  @return     int          	>0 if OK, 0 if not found, <0 if KO
      */
     function fetch($id,$code='')
     {
@@ -171,11 +171,14 @@ class Ccountry // extends CommonObject
 				$this->code_iso = $obj->code_iso;
 				$this->label = $obj->label;
 				$this->active = $obj->active;
-            }
-            $this->db->free($resql);
 
+                $this->db->free($resql);
                 return 1;
             }
+            else {
+                return 0;
+            }
+        }
         else
         {
       	    $this->error="Error ".$this->db->lasterror();