From 9ca76948dfb1ce648de21d4c2f6c6f0798a321fd Mon Sep 17 00:00:00 2001
From: Max <walzen665@web.de>
Date: Sun, 25 Feb 2024 00:15:24 +0100
Subject: [PATCH] Added version display

- Added error route handling
---
 build.gradle                                  |  3 ++
 .../src/app/credits/credits.component.html    |  8 +++-
 frontend/src/app/credits/credits.component.ts | 25 +++++++++++--
 .../sharepulse/rest/ErrorRestController.java  | 19 ++++++++++
 .../sharepulse/rest/mappings/Version.java     | 37 +++++++++++++++++++
 5 files changed, 86 insertions(+), 6 deletions(-)
 create mode 100644 src/main/java/de/w665/sharepulse/rest/ErrorRestController.java
 create mode 100644 src/main/java/de/w665/sharepulse/rest/mappings/Version.java

diff --git a/build.gradle b/build.gradle
index d59f36b..c082c3d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -40,6 +40,9 @@ dependencies {
 
 bootJar {
 	manifest {
+		attributes(
+				'Application-Version': project.version
+		)
 	}
 }
 
diff --git a/frontend/src/app/credits/credits.component.html b/frontend/src/app/credits/credits.component.html
index b65b6b4..6a83fd0 100644
--- a/frontend/src/app/credits/credits.component.html
+++ b/frontend/src/app/credits/credits.component.html
@@ -15,11 +15,15 @@
     </div>
     <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-4 hover:scale-125 transition-transform duration-100">
       <h3 class="font-semibold text-gray-800 sm:col-span-2 md:text-right">Version:</h3>
-      <p class="text-gray-800 sm:col-span-2 sm:text-left">1.0.0</p>
+      <p class="text-gray-800 sm:col-span-2 sm:text-left">
+        <span class="loading loading-spinner loading-md" *ngIf="!version"></span>
+        <span *ngIf="version">{{ version }}</span>
+      </p>
     </div>
     <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-4 hover:scale-125 transition-transform duration-100">
       <h3 class="font-semibold text-gray-800 sm:col-span-2 md:text-right">API-Status:</h3>
-      <p class="sm:col-span-2 sm:text-left text-green-600">online</p>
+      <span class="loading loading-spinner loading-md" *ngIf="!version"></span>
+      <p class="sm:col-span-2 sm:text-left text-green-600" *ngIf="version">online</p>
     </div>
     <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-4 hover:scale-125 transition-transform duration-100">
       <h3 class=" font-semibold text-gray-800 sm:col-span-2 md:text-right">Libraries:</h3>
diff --git a/frontend/src/app/credits/credits.component.ts b/frontend/src/app/credits/credits.component.ts
index f23db40..2aacf5b 100644
--- a/frontend/src/app/credits/credits.component.ts
+++ b/frontend/src/app/credits/credits.component.ts
@@ -1,19 +1,26 @@
 import { Component } from '@angular/core';
 import {RouterLink} from "@angular/router";
 import {LegalService} from "../../service/legalService";
+import axios from "axios";
+import {DevelopmentStore} from "../../store/DevelopmentStore";
+import {NgIf} from "@angular/common";
 
 @Component({
   selector: 'app-credits',
   standalone: true,
-    imports: [
-        RouterLink
-    ],
+  imports: [
+    RouterLink,
+    NgIf
+  ],
   templateUrl: './credits.component.html',
   styleUrl: './credits.component.scss'
 })
 export class CreditsComponent {
 
-  constructor(private legalService: LegalService) {
+  version: string = '';
+
+  constructor(private legalService: LegalService, private developmentStore: DevelopmentStore) {
+    this.getVersion();
   }
 
   openPrivacyPolicyModal() {
@@ -23,4 +30,14 @@ export class CreditsComponent {
   openTermsOfUseModal() {
     this.legalService.openTermsOfUse();
   }
+
+  getVersion() {
+    axios.get(this.developmentStore.getBaseUrl() + 'api/v1/version')
+      .then((response) => {
+        this.version = response.data;
+      })
+      .catch((error) => {
+        console.log(error);
+      });
+  }
 }
diff --git a/src/main/java/de/w665/sharepulse/rest/ErrorRestController.java b/src/main/java/de/w665/sharepulse/rest/ErrorRestController.java
new file mode 100644
index 0000000..487a54e
--- /dev/null
+++ b/src/main/java/de/w665/sharepulse/rest/ErrorRestController.java
@@ -0,0 +1,19 @@
+package de.w665.sharepulse.rest;
+
+import org.springframework.boot.web.servlet.error.ErrorController;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * This class is used to redirect the user to the home page if an endpoint is not found.
+ */
+@RestController
+public class ErrorRestController implements ErrorController {
+    @RequestMapping("/error")
+    public String handleError() {
+        return "<script>" +
+                    "console.log('Page not found. Redirecting to /home...');" +
+                    "window.location.href = window.location.origin + '/home';" +
+                "</script>";
+    }
+}
diff --git a/src/main/java/de/w665/sharepulse/rest/mappings/Version.java b/src/main/java/de/w665/sharepulse/rest/mappings/Version.java
new file mode 100644
index 0000000..df31b41
--- /dev/null
+++ b/src/main/java/de/w665/sharepulse/rest/mappings/Version.java
@@ -0,0 +1,37 @@
+package de.w665.sharepulse.rest.mappings;
+
+import com.rethinkdb.net.Response;
+import de.w665.sharepulse.rest.ApiRestController;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+@RestController
+public class Version extends ApiRestController {
+
+    private final ResourceLoader resourceLoader;
+
+    @Autowired
+    public Version(ResourceLoader resourceLoader) {
+        this.resourceLoader = resourceLoader;
+    }
+
+    @GetMapping("/version")
+    public ResponseEntity<Object> getVersion() throws Exception {
+        Resource resource = resourceLoader.getResource("classpath:META-INF/MANIFEST.MF");
+        Manifest manifest = new Manifest(resource.getInputStream());
+        Attributes attr = manifest.getMainAttributes();
+        String version = attr.getValue("Application-Version");
+        String response = version != null ? version : "Version is only available in production builds";
+        return new ResponseEntity<>(response, HttpStatus.OK);
+    }
+}