많은 유틸리티 함수를 Util, FileUtil, WebUtil로 이동

2018-03-24 22:03:54 +09:00
parent b5cba27df9
commit 157ecdbf2a
36 changed files with 364 additions and 517 deletions
@@ -2,4 +2,173 @@
 namespace sammo;

 class Util extends \utilphp\util{
+    public static function hashPassword($salt, $password){
+        return hash('sha512', $salt.$password.$salt);
+    }
+
+    /**
+     * 변환할 내용이 _tK_$key_ 형태로 작성된 단순한 템플릿 파일을 이용하여 결과물을 생성해주는 함수.
+     */
+    public static function generateFileUsingSimpleTemplate(string $srcFilePath, string $destFilePath, array $params, bool $canOverwrite=false){
+        if($destFilePath === $srcFilePath){
+            return 'invalid destFilePath';
+        }
+        if(!file_exists($srcFilePath)){
+            return 'srcFilePath is not exists';
+        }
+        if(file_exists($destFilePath) && !$canOverwrite){
+            return 'destFilePath is already exists';
+        }
+        if(!is_writable(dirname($destFilePath))){
+            return 'destFilePath is not writable';
+        }
+
+        $text = file_get_contents($srcFilePath);
+        foreach($params as $key => $value){
+            $text = str_replace("_tK_{$key}_", $value, $text);
+        }
+        file_put_contents($destFilePath, $text);
+
+        return true;
+    }
+
+    /**
+     * '비교적' 안전한 int 변환
+     * null -> null
+     * int -> int
+     * float -> int
+     * numeric(int, float) 포함 -> int
+     * 기타 -> 예외처리
+     * 
+     * @return int|null
+     */
+    public static function toInt($val, $force=false){
+        if($val === null){
+            return null;
+        }
+        if(is_int($val)){
+            return $val;
+        }
+        if(is_numeric($val)){
+            return intval($val);//
+        }
+        if(strtolower($val) === 'null'){
+            return null;
+        }
+
+        if($force){
+            return intval($val);
+        }
+        throw new InvalidArgumentException('올바르지 않은 타입형 :'.$val);
+    }
+
+    /**
+     * Generate a random string, using a cryptographically secure 
+     * pseudorandom number generator (random_int)
+     * 
+     * For PHP 7, random_int is a PHP core function
+     * For PHP 5.x, depends on https://github.com/paragonie/random_compat
+     * 
+     * @param int $length      How many characters do we want?
+     * @param string $keyspace A string of all possible characters
+     *                         to select from
+     * @return string
+     */
+    public static function randomStr($length, $keyspace = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
+    {
+        $str = '';
+        $max = mb_strlen($keyspace, '8bit') - 1;
+        for ($i = 0; $i < $length; ++$i) {
+            $str .= $keyspace[random_int(0, $max)];
+        }
+        return $str;
+    }
+
+    public static function mapWithDict($callback, $dict){
+        $result = [];
+        foreach(array_keys($dict) as $key){
+            $result[$key] = ($callback)($dict[$key]);
+        }
+        return $result;
+    }
+
+    public static function convertArrayToDict($arr, $keyName){
+        $result = [];
+    
+        foreach($arr as $obj){
+            $key = $obj[$keyName];
+            $result[$key] = $obj;
+        }
+    
+        return $result;
+    }
+
+    public static function convertDictToArray($dict, $keys){
+        $result = [];
+    
+        foreach($keys as $key){
+            $result[] = Util::array_get($dict[$key], null);
+        }
+        return $result;
+    }
+
+    public static function isDict(&$array){
+        if(!is_array($array)){
+            //배열이 아니면 dictionary 조차 아님.
+            return false;
+        }
+        $idx = 0;
+        $jmp = 0;
+        foreach ($arr as $key=>&$value) {
+            if(is_string($key)){
+                return true;
+            }
+            $jmp = $key - $idx - 1;
+            $idx = $key;
+        }
+    
+        if ($jmp * 5 >= count($array)){
+            //빈칸이 많으면 dictionary인걸로.
+            return true;
+        }
+        else{
+            return false;
+        }
+    }
+
+    public static function eraseNullValue($dict, $depth=512){
+        //TODO:Test 추가
+        if($dict === null){
+            return null;
+        }
+    
+        if(is_array($dict) && empty($dict)){
+            return null;
+        }
+    
+        if($depth <= 0){
+            return $dict;
+        }
+    
+        foreach ($arr as $key=>$value) {
+            if($value === null){
+                unset($dict[$key]);
+            }
+            else if(Util::isDict($value)){
+                $newValue = Util::eraseNullValue($value, $depth - 1);
+                if($newValue === null){
+                    unset($dict[$key]);
+                }
+                else{
+                    $dict[$key] = $newValue;
+                }
+                
+            }
+        }
+    
+        return $dict;
+    }
+
+    
+
 };