From ca77700e2e1d808848612cd86a5671cec67a209c Mon Sep 17 00:00:00 2001
From: Braun Patrik <bra.patrik@gmail.com>
Date: Sun, 10 Apr 2016 22:53:46 +0200
Subject: [PATCH] adding config loader

---
 backend/config/Config.ts       | 20 ++++++--
 backend/config/ConfigLoader.ts | 88 ++++++++++++++++++++++++++++++++++
 frontend/webpack.config.js     |  3 --
 package.json                   |  1 +
 typings.json                   |  1 +
 5 files changed, 105 insertions(+), 8 deletions(-)
 create mode 100644 backend/config/ConfigLoader.ts

diff --git a/backend/config/Config.ts b/backend/config/Config.ts
index e97050c4..f66a9222 100644
--- a/backend/config/Config.ts
+++ b/backend/config/Config.ts
@@ -1,6 +1,16 @@
 
-export class Config{
-    public static thumbnailSizes = [200];
-    public static imagesFolder = "/demo/images";
-    public static thumbnailFolder = "/demo/TEMP";
-}
\ No newline at end of file
+import {ConfigLoader} from "./ConfigLoader";
+
+export class ConfigClass{
+
+    constructor(){
+        ConfigLoader.init(this,__dirname+'./../../../config.json');
+    }
+
+    public thumbnailSizes = [200];
+    public imagesFolder = "/demo/images";
+    public thumbnailFolder = "/demo/TEMP";
+}
+
+
+export var Config = new ConfigClass();
\ No newline at end of file
diff --git a/backend/config/ConfigLoader.ts b/backend/config/ConfigLoader.ts
new file mode 100644
index 00000000..ec81a92c
--- /dev/null
+++ b/backend/config/ConfigLoader.ts
@@ -0,0 +1,88 @@
+import * as fs from 'fs';
+import * as optimist from 'optimist';
+
+export class ConfigLoader {
+
+
+    static init(configObject:any, configFilePath?:string){
+        this.processConfigFile(configFilePath, configObject);
+        this.processArguments(configObject);
+        this.processEnvVariables(configObject);
+
+    }
+
+    private static processEnvVariables(configObject:any) { 
+        this.loadObject(configObject, process.env);
+    };
+
+    private static processArguments(configObject:any) {
+        let argv = optimist.argv;
+        delete(argv._);
+        delete(argv.$0); 
+        let config = {};
+
+        Object.keys(argv).forEach((key)=> {
+            let keyArray = key.split("-");
+            let value = argv[key];  
+
+            let setObject = (object,keyArray,value) => {
+                let key = keyArray.shift();
+                object[key] = {};
+                if(keyArray.length == 0){
+                    object[key] = value;
+                    return;
+                }
+                return setObject(object[key],keyArray,value);
+            };
+            setObject(config,keyArray,value);
+
+        }); 
+        this.loadObject(configObject, config);
+    };
+
+    private static processConfigFile(configFilePath:string, configObject:any) {
+        if (typeof configFilePath !== 'undefined') {
+            if (ConfigLoader.loadConfigFile(configFilePath, configObject) === false) {
+                ConfigLoader.saveConfigFile(configFilePath, configObject);
+            }
+        }
+    };
+
+    private static loadConfigFile(configFilePath,configObject):boolean{
+        if(fs.existsSync(configFilePath) === false){
+            return false;
+        }
+        try {
+            let config = JSON.parse(fs.readFileSync(configFilePath, 'utf8'));
+
+            this.loadObject(configObject,config);
+            return true;
+        }catch(err){
+
+        }
+        return false;
+    }
+
+
+
+    private static saveConfigFile(configFilePath,configObject){
+        try {
+            fs.writeFileSync(configFilePath, JSON.stringify(configObject, null, 4));
+        }catch(err){
+
+        }
+    }
+
+    private static loadObject(targetObject,sourceObject){
+        Object.keys(sourceObject).forEach((key)=> {
+            if(typeof targetObject[key] === "undefined"){
+                return;
+            } 
+            if(typeof targetObject[key] === "object"){
+                this.loadObject(targetObject[key],sourceObject[key] );
+            }else { 
+                targetObject[key] = sourceObject[key];
+            }
+        });
+    }
+}
\ No newline at end of file
diff --git a/frontend/webpack.config.js b/frontend/webpack.config.js
index 4854346e..f6ed6255 100644
--- a/frontend/webpack.config.js
+++ b/frontend/webpack.config.js
@@ -20,9 +20,6 @@ module.exports = {
     },
     // Add minification
     plugins: [
-       // new CommonsChunkPlugin("dist/admin-commons-bundle.js",['demo','missionControl']),
-       // new CommonsChunkPlugin("dist/commons-bundle.js")
-       // ,new webpack.optimize.UglifyJsPlugin()
     ],
     module: {
         loaders: [
diff --git a/package.json b/package.json
index 0df98e13..d4d90f7c 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
     "mime": "^1.3.4",
     "morgan": "^1.7.0",
     "ng2-cookies": "^0.1.5",
+    "optimist": "^0.6.1",
     "rxjs": "5.0.0-beta.2",
     "style-loader": "^0.13.1",
     "ts-loader": "^0.8.1",
diff --git a/typings.json b/typings.json
index 32f9ab7a..7b7f3870 100644
--- a/typings.json
+++ b/typings.json
@@ -10,6 +10,7 @@
     "jasmine": "github:DefinitelyTyped/DefinitelyTyped/jasmine/jasmine.d.ts#d22516f9f089de107d7e7d5938566377370631f6",
     "mime": "github:DefinitelyTyped/DefinitelyTyped/mime/mime.d.ts#0d622d857f97d44ea7dcad2b3edec1f23c48fe9e",
     "node": "github:DefinitelyTyped/DefinitelyTyped/node/node.d.ts#0d622d857f97d44ea7dcad2b3edec1f23c48fe9e",
+    "optimist": "registry:dt/optimist#0.0.0+20160316171810",
     "serve-static": "github:DefinitelyTyped/DefinitelyTyped/serve-static/serve-static.d.ts#0d622d857f97d44ea7dcad2b3edec1f23c48fe9e"
   }
 }