Add UI HTTP server (#6)

[e-mobility-charging-stations-simulator.git] / src / utils / Configuration.ts

diff --git a/src/utils/Configuration.ts b/src/utils/Configuration.ts
index c7689f36a8604767b32135bd338f5358a2f1d0b1..f4eb39ad62ae287667e82355255a9f30ca2dbca4 100644 (file)
--- a/src/utils/Configuration.ts
+++ b/src/utils/Configuration.ts
@@ -1,3 +1,9 @@
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+import chalk from 'chalk';
+
 import ConfigurationData, {
   StationTemplateUrl,
   StorageConfiguration,
@@ -5,18 +11,14 @@ import ConfigurationData, {
   UIServerConfiguration,
   WorkerConfiguration,
 } from '../types/ConfigurationData';
-
-import Constants from './Constants';
 import { EmptyObject } from '../types/EmptyObject';
-import { FileType } from '../types/FileType';
 import { HandleErrorParams } from '../types/Error';
+import { FileType } from '../types/FileType';
 import { StorageType } from '../types/Storage';
-import WorkerConstants from '../worker/WorkerConstants';
+import { ApplicationProtocol } from '../types/UIProtocol';
 import { WorkerProcessType } from '../types/Worker';
-import chalk from 'chalk';
-import { fileURLToPath } from 'url';
-import fs from 'fs';
-import path from 'path';
+import WorkerConstants from '../worker/WorkerConstants';
+import Constants from './Constants';
 
 export default class Configuration {
   private static configurationFile = path.join(
@@ -29,6 +31,10 @@ export default class Configuration {
   private static configuration: ConfigurationData | null = null;
   private static configurationChangeCallback: () => Promise<void>;
 
+  private constructor() {
+    // This is intentional
+  }
+
   static setConfigurationChangeCallback(cb: () => Promise<void>): void {
     Configuration.configurationChangeCallback = cb;
   }
@@ -53,16 +59,17 @@ export default class Configuration {
     }
     let uiServerConfiguration: UIServerConfiguration = {
       enabled: true,
+      type: ApplicationProtocol.WS,
       options: {
         host: Constants.DEFAULT_UI_WEBSOCKET_SERVER_HOST,
         port: Constants.DEFAULT_UI_WEBSOCKET_SERVER_PORT,
       },
     };
     if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'uiServer')) {
-      uiServerConfiguration = {
-        ...uiServerConfiguration,
-        ...Configuration.getConfig().uiServer,
-      };
+      uiServerConfiguration = Configuration.deepMerge(
+        uiServerConfiguration,
+        Configuration.getConfig().uiServer
+      );
     }
     return uiServerConfiguration;
   }
@@ -383,6 +390,33 @@ export default class Configuration {
     }
   }
 
+  private static isObject(item): boolean {
+    return item && typeof item === 'object' && Array.isArray(item) === false;
+  }
+
+  private static deepMerge(target: object, ...sources: object[]): object {
+    if (!sources.length) {
+      return target;
+    }
+    const source = sources.shift();
+
+    if (Configuration.isObject(target) && Configuration.isObject(source)) {
+      for (const key in source) {
+        if (Configuration.isObject(source[key])) {
+          if (!target[key]) {
+            Object.assign(target, { [key]: {} });
+          }
+          // eslint-disable-next-line @typescript-eslint/no-unsafe-argument
+          Configuration.deepMerge(target[key], source[key]);
+        } else {
+          // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+          Object.assign(target, { [key]: source[key] });
+        }
+      }
+    }
+    return Configuration.deepMerge(target, ...sources);
+  }
+
   private static objectHasOwnProperty(object: unknown, property: string): boolean {
     return Object.prototype.hasOwnProperty.call(object, property) as boolean;
   }