Make version available to the home page

Signed-off-by: Cedric Willekens <c.s.willekens@student.tudelft.nl>

build.gradle.kts

@@ -134,6 +134,10 @@ tasks.register<Copy>("copyLogo") {
 	}
 }
 
+springBoot {
+	buildInfo()
+}
+
 sass {
 	download {
 		version = "1.26.3"

src/main/java/nl/tudelft/ewi/walkytalky/controller/StaticController.java

@@ -22,8 +22,10 @@ package nl.tudelft.ewi.walkytalky.controller;
 import nl.tudelft.ewi.walkytalky.services.AuthService;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.info.BuildProperties;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
 
 /**
  * Controller for home/informational pages.
@@ -34,6 +36,9 @@ public class StaticController {
 	@Autowired
 	private AuthService authService;
 
+	@Autowired(required = false)
+	private BuildProperties buildProperties;
+
 	@GetMapping("/")
 	public String index() {
 		return authService.pageForUserRole("home/index");
@@ -63,4 +68,12 @@ public class StaticController {
 	public String contribute() {
 		return "contribute/index";
 	}
+
+	@ModelAttribute("version")
+	public String version() {
+		if (buildProperties == null) {
+			return "development";
+		}
+		return buildProperties.getVersion();
+	}
 }