minor changes

lib/server/ischanged.js

@@ -0,0 +1,77 @@
+(function(){
+    'use strict';
+    
+    var main        = require('./main'), //global.cloudcmd.main,
+        DIR         = main.DIR,
+        
+        fs          = main.fs,
+        path        = main.path,
+        Util        = main.util,
+        
+        /* object contains hashes of files*/
+        CHANGESNAME  = DIR       + 'changes',
+        CHANGES_JSON = CHANGESNAME   + '.json',
+                
+        Times = main.require(CHANGESNAME) || [],
+        TimesChanged;
+    
+    function isFileChanged(pFileName, pLastFile_b, pCallBack){
+        var lReadedTime;
+        
+        var i, n = Times.length;
+        for(i = 0; i < n; i++){
+            var lData = Times[i];
+            
+            /* if founded row with file name - save hash */
+            if(lData.name === pFileName){
+                lReadedTime = lData.time;
+                break;
+            }
+        }
+        
+        fs.stat(pFileName, function(pError, pStat){
+            var lTimeChanged;
+            
+            if(!pError){
+                var lFileTime = pStat.mtime.getTime();
+                  
+                if(lReadedTime !== lFileTime){
+                    Times[i]        = {
+                        name: pFileName,
+                        time: lFileTime
+                    };
+                    
+                    lTimeChanged    =
+                    TimesChanged    = true;
+                }
+                
+                if(pLastFile_b && TimesChanged)
+                    writeFile(CHANGES_JSON, Util.stringifyJSON(Times));
+            }
+            else{
+                Util.log(pError);
+                lTimeChanged = false;
+            }
+            
+            Util.exec(pCallBack, lTimeChanged);
+        });
+    }
+    
+    /*
+     * Функция записывает файла
+     * и выводит ошибку или сообщает,
+     * что файл успешно записан
+     */
+    function writeFile(pFileName, pData){
+        fs.writeFile(pFileName, pData, function(pError){
+            if(pError)
+                Util.log(pError);
+            else
+                Util.log('minify: file ' + path.basename(pFileName) + ' writed...');
+        });
+    }
+    
+    isFileChanged(DIR + 'favicon.ico', true, function(pData){
+        console.log(pData)
+    });
+})();