From 9d063b9f25c52dd34e3bafc147044affed2151d0 Mon Sep 17 00:00:00 2001
From: MathieuG-P <40181755+Zagrios@users.noreply.github.com>
Date: Thu, 16 Jun 2022 21:53:59 +0200
Subject: [PATCH] create service to manage persistant configuration

---
 .../services/configuration.service.ts         | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/renderer/services/configuration.service.ts

diff --git a/src/renderer/services/configuration.service.ts b/src/renderer/services/configuration.service.ts
new file mode 100644
index 00000000..0887f99a
--- /dev/null
+++ b/src/renderer/services/configuration.service.ts
@@ -0,0 +1,40 @@
+import { BehaviorSubject } from "rxjs";
+
+export class ConfigurationService {
+    
+    private static instance: ConfigurationService;
+    private subscribers: Map<string, BehaviorSubject<any>[]>;
+    
+    private constructor(){
+        this.subscribers = new Map<string, BehaviorSubject<any>[]>();
+    }
+
+    public static getInstance(): ConfigurationService{
+        if(!ConfigurationService.instance){ ConfigurationService.instance = new ConfigurationService(); }
+        return ConfigurationService.instance;
+    }
+
+    public get<Type>(key: string): Type{
+        const t = JSON.parse(window.localStorage.getItem(key));
+        return t;
+    }
+
+    public set(key: string, value: any){
+        window.localStorage.setItem(key, JSON.stringify(value));
+        if(this.subscribers.has(key)){
+            this.subscribers.get(key).forEach(sub => sub.next(value));
+        }
+    }
+
+    public watch(key: string): BehaviorSubject<any>{
+        const newSub = new BehaviorSubject(this.get(key));
+        if(!this.subscribers.has(key)){ this.subscribers.set(key, []); }
+        this.subscribers.get(key).push(newSub);
+        return newSub;
+    }
+
+    public stopWatch(key: string, obs: BehaviorSubject<string>){
+        const subs = this.subscribers.get(key);
+        subs.splice(subs.indexOf(obs), 1);
+    };
+}
\ No newline at end of file