From: Bastian Dehn <hhaalo@arcor.de>
Date: Thu, 9 Jun 2022 18:42:18 +0000 (+0200)
Subject: add: json file service
X-Git-Tag: v1.0^2~14
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=97135502cc2e67bcc367eeba027ec6a475ba13ec;p=speisekarten-editor.git

add: json file service
---

diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 2e1c266..13ef1bd 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -1,9 +1,10 @@
 import { Component } from '@angular/core';
+import { SafeUrl } from '@angular/platform-browser';
 import { ITitle } from './ititle';
 import { ISubtitle } from './isubtitle';
 import { IFood } from './ifood';
 import { IFoodCard } from './ifood-card';
-import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
+import { JsonFileService } from './json-file.service';
 
 @Component({
 	selector: 'app-root',
@@ -14,25 +15,19 @@ import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
 export class AppComponent
 {
 	public foodcard: IFoodCard = { Titles: [] };
-	public downloadJsonHref: SafeUrl = "";
+	public downloadJsonHref: SafeUrl = ""
 
-	constructor(private sanitizer: DomSanitizer) {}
+	constructor(private jsonFileService: JsonFileService) {}
 
 	public exportJson(): void
 	{
-		let json = JSON.stringify(this.foodcard);
-		let uri = this.sanitizer.bypassSecurityTrustUrl(
-			"data:text/json;charset=UTF-8," + json);
-		this.downloadJsonHref = uri;
+		this.downloadJsonHref = this.jsonFileService.exportJson(
+			this.foodcard);
 	}
 
 	public fileEvent(event: any): void
 	{
-		const reader = new FileReader();
-		reader.onload = (e: any) => {
-			this.foodcard = JSON.parse(e.target.result);
-		}
-		reader.readAsText(event.target.files[0]);
+		this.foodcard = this.jsonFileService.importJson(event);
 	}
 
 	public addTitle(): void
diff --git a/src/app/json-file.service.spec.ts b/src/app/json-file.service.spec.ts
new file mode 100644
index 0000000..1f1ac7c
--- /dev/null
+++ b/src/app/json-file.service.spec.ts
@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { JsonFileService } from './json-file.service';
+
+describe('JsonFileService', () => {
+  let service: JsonFileService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(JsonFileService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/src/app/json-file.service.ts b/src/app/json-file.service.ts
new file mode 100644
index 0000000..a58a660
--- /dev/null
+++ b/src/app/json-file.service.ts
@@ -0,0 +1,32 @@
+import { Injectable } from '@angular/core';
+import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
+import { IFoodCard } from './ifood-card';
+
+@Injectable({
+	providedIn: 'root'
+})
+
+export class JsonFileService
+{
+	constructor(private sanitizer: DomSanitizer) {}
+
+	public exportJson(foodcard: IFoodCard): SafeUrl
+	{
+		let json = JSON.stringify(foodcard);
+		return this.sanitizer.bypassSecurityTrustUrl(
+			"data:text/json;charset=UTF-8," + json);
+	}
+
+	public importJson(event: any): IFoodCard
+	{
+		let foodcard: IFoodCard = { Titles: [] };
+
+		const reader = new FileReader();
+		reader.onload = (e: any) => {
+			foodcard = JSON.parse(e.target.result);
+		}
+		reader.readAsText(event.target.files[0]);
+
+		return foodcard;
+	}
+}