Adds some more card number checks

api/api_functions.php

@@ -78,6 +78,9 @@ if( !function_exists('valid_phonenumber') ) {
 
 
 function get_user_data($ids, $conn) {
+    if( !is_string($ids) ) {
+        new Exception('Param ids should be a comma separated string of user ids');
+    }
     $ACTIVE_GROUP_ID = "2";
     $conn->setFetchMode(DB_FETCHMODE_ASSOC);
 
@@ -137,4 +140,27 @@ function get_user_data($ids, $conn) {
         $results[] = $result;
     }
     return $results;
+}
+
+function update_card($user_id, $card_number) {
+    /* Update card number on user */
+
+}
+function get_user_id_by_card_number($card_number) {
+    $conn = get_db_connection(DB_FETCHMODE_ORDERED);
+
+    $card_number = $conn->quoteSmart($card_number);
+    $sql = "SELECT mc.userId FROM din_membercard AS mc
+      LEFT JOIN din_user AS u ON mc.userId=u.id
+      WHERE mc.id=$card_number";
+
+    $res = $conn->getAll($sql);
+
+    if( DB::isError($res) ) {
+        new Exception($res->getMessage());
+    }
+    if( count($res) === 0 ) {
+        return NULL;
+    }
+    return $res[0][0];
 }

api/cardnumber.php

@@ -37,9 +37,27 @@ if($_SERVER['REQUEST_METHOD'] === 'POST') {
     if( !is_numeric($data['user_id']) ) {
         return_json_response(array('error' => "Value user_id must be numeric: '".$data['user_id']."'"), 400);
     }
-    /* TODO: If user does not exist, bail */
-    /* TODO: If user relationship to card exists, bail */
-    /* TODO: Either Add card relationship OR remove old relationsip and add new */
+    /* If user does not exist, bail */
+    $user_data = get_user_data($data['user_id'], $conn);
+    if( count($user_data) !== 1 ) {
+        return_json_response(array('error' => "User with user_id '".$data['user_id']."' does not exist."), 400);
+    }
+    $user = $user_data[0];
+
+    /* If card number is attached to specified user, bail */
+    if($user['cardno'] === $data['card_number']) {
+        return_json_response(array('error' => "Card number ".$data['card_number']." is already attached to user (".$data['user_id'].")."), 400);
+    }
+    /* If card number does not exist, bail */
+    $id_from_card_number = get_user_id_by_card_number($data['card_number']);
+    if($id_from_card_number === NULL) {
+        return_json_response(array('error' => "Card number ".$data['card_number']." does not exist."), 400);
+    }
+    /* If card belongs to another user, bail */
+    if($id_from_card_number !== "") {
+        return_json_response(array('error' => "Card number ".$data['card_number']." belongs to another user ($id_from_card_number)."), 400);
+    }
+    /* TODO: Add card relationship OR remove old relationsip and add new */
     return_json_response(array('error' => 'TODO: Not implemented'));
 }
 else {

api/test.php

@@ -0,0 +1,30 @@
+<?php
+require_once("api_functions.php");
+require_once("../includes/DB.php");
+
+define("API_URL", 'http://inside.dev');
+
+/* cardnumber.php */
+function test_post_cardnumber() {
+    $data = json_encode(array(
+        'user_id' => '1',
+        'card_number' => '123456789'
+    ));
+
+    $ch = curl_init(API_URL.'/api/cardnumber.php?apikey='.USER_API_KEY_KASSA);
+    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
+    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt($ch, CURLOPT_ENCODING ,"");
+    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=UTF-8'));
+
+    $result = curl_exec($ch);
+    var_dump($result);
+    $decoded_result = json_decode($result, true);
+    var_dump($decoded_result);
+
+    /* Register */
+    curl_close ($ch);
+}
+
+test_post_cardnumber();