From ac075747dfc38f010dc5c92f13e3ff67c1fa90db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20Kr=C3=BChlmann?= <andreas@kruhlmann.dev>
Date: Wed, 10 Dec 2025 23:58:08 +0100
Subject: [PATCH] Add version

---
 .../app/controller/ViewController.java        |  6 ++-
 .../app/service/GitVersionService.java        | 52 +++++++++++++++++++
 src/main/resources/static/css/styles.css      | 39 ++++++++++++++
 src/main/resources/templates/index.html       |  9 +++-
 4 files changed, 104 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/com/imgfloat/app/service/GitVersionService.java

diff --git a/src/main/java/com/imgfloat/app/controller/ViewController.java b/src/main/java/com/imgfloat/app/controller/ViewController.java
index ac6c6da..4c27139 100644
--- a/src/main/java/com/imgfloat/app/controller/ViewController.java
+++ b/src/main/java/com/imgfloat/app/controller/ViewController.java
@@ -1,6 +1,7 @@
 package com.imgfloat.app.controller;
 
 import com.imgfloat.app.service.ChannelDirectoryService;
+import com.imgfloat.app.service.GitVersionService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.security.oauth2.client.authentication.OAuth2AuthenticationToken;
@@ -14,9 +15,11 @@ import static org.springframework.http.HttpStatus.FORBIDDEN;
 public class ViewController {
     private static final Logger LOG = LoggerFactory.getLogger(ViewController.class);
     private final ChannelDirectoryService channelDirectoryService;
+    private final GitVersionService gitVersionService;
 
-    public ViewController(ChannelDirectoryService channelDirectoryService) {
+    public ViewController(ChannelDirectoryService channelDirectoryService, GitVersionService gitVersionService) {
         this.channelDirectoryService = channelDirectoryService;
+        this.gitVersionService = gitVersionService;
     }
 
     @org.springframework.web.bind.annotation.GetMapping("/")
@@ -29,6 +32,7 @@ public class ViewController {
             model.addAttribute("adminChannels", channelDirectoryService.adminChannelsFor(login));
             return "dashboard";
         }
+        model.addAttribute("gitVersion", gitVersionService.getVersion());
         return "index";
     }
 
diff --git a/src/main/java/com/imgfloat/app/service/GitVersionService.java b/src/main/java/com/imgfloat/app/service/GitVersionService.java
new file mode 100644
index 0000000..4c73372
--- /dev/null
+++ b/src/main/java/com/imgfloat/app/service/GitVersionService.java
@@ -0,0 +1,52 @@
+package com.imgfloat.app.service;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+@Component
+public class GitVersionService {
+    private static final Logger LOG = LoggerFactory.getLogger(GitVersionService.class);
+    private final String version;
+
+    public GitVersionService() {
+        this.version = resolveVersion();
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    private String resolveVersion() {
+        Process process = null;
+        try {
+            process = new ProcessBuilder("git", "describe", "--tags", "--always")
+                    .redirectErrorStream(true)
+                    .start();
+            try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+                String result = reader.readLine();
+                int exitCode = process.waitFor();
+                if (exitCode == 0 && result != null && !result.isBlank()) {
+                    return result.trim();
+                }
+                LOG.warn("git describe returned exit code {} with output: {}", exitCode, result);
+            }
+        } catch (IOException e) {
+            LOG.warn("Unable to determine git version", e);
+            if (process != null) {
+                process.destroyForcibly();
+            }
+        } catch (InterruptedException e) {
+            LOG.warn("Interrupted while determining git version", e);
+            if (process != null) {
+                process.destroyForcibly();
+            }
+            Thread.currentThread().interrupt();
+        }
+        return "unknown";
+    }
+}
diff --git a/src/main/resources/static/css/styles.css b/src/main/resources/static/css/styles.css
index 1452acd..209010a 100644
--- a/src/main/resources/static/css/styles.css
+++ b/src/main/resources/static/css/styles.css
@@ -31,6 +31,34 @@ body {
     padding: 40px 20px 64px;
 }
 
+.landing-meta {
+    display: flex;
+    justify-content: flex-end;
+    margin-top: 18px;
+}
+
+.build-chip {
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
+    padding: 6px 10px;
+    background: rgba(15, 23, 42, 0.7);
+    border: 1px solid rgba(148, 163, 184, 0.24);
+    border-radius: 12px;
+    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
+}
+
+.version-badge {
+    padding: 4px 10px;
+    border-radius: 999px;
+    background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(59, 130, 246, 0.12));
+    border: 1px solid rgba(124, 58, 237, 0.35);
+    color: #cbd5e1;
+    font-weight: 700;
+    letter-spacing: 0.2px;
+    font-size: 13px;
+}
+
 .channels-body {
     min-height: 100vh;
     background: radial-gradient(circle at 10% 20%, rgba(124, 58, 237, 0.16), transparent 30%),
@@ -228,6 +256,17 @@ body {
     width: 100%;
 }
 
+.broadcaster-button {
+    background: linear-gradient(115deg, #7c3aed, #2563eb);
+    border: 1px solid rgba(124, 58, 237, 0.35);
+    box-shadow: 0 14px 35px rgba(37, 99, 235, 0.3);
+}
+
+.broadcaster-button:hover {
+    filter: brightness(1.05);
+    box-shadow: 0 16px 38px rgba(37, 99, 235, 0.38);
+}
+
 .block {
     width: 100%;
     display: flex;
diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
index 3b66e19..7c09467 100644
--- a/src/main/resources/templates/index.html
+++ b/src/main/resources/templates/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
 <head>
     <meta charset="UTF-8">
     <title>Imgfloat - Twitch overlay</title>
@@ -29,6 +29,13 @@
             </div>
         </div>
     </main>
+
+    <footer class="landing-meta">
+        <div class="build-chip">
+            <span class="muted">Build</span>
+            <span class="version-badge" th:text="${gitVersion}">unknown</span>
+        </div>
+    </footer>
 </div>
 </body>
 </html>