Introduce UpdateChecker class for managing version updates and integrate it into AppConfiguration

Author: andre-carbajal

src/main/java/net/andrecarbajal/mine_control_cli/config/AppConfiguration.java

@@ -5,6 +5,7 @@
 import net.andrecarbajal.mine_control_cli.config.path.ApplicationPathResolver;
 import net.andrecarbajal.mine_control_cli.config.properties.ConfigProperties;
 import net.andrecarbajal.mine_control_cli.config.properties.ConfigurationManager;
+import net.andrecarbajal.mine_control_cli.util.api.UpdateChecker;
 import net.andrecarbajal.mine_control_cli.util.ui.ProgressBar;
 import org.jline.terminal.Terminal;
 import org.springframework.context.annotation.Bean;
@@ -20,13 +21,15 @@
 public class AppConfiguration {
     private final ApplicationProperties applicationProperties;
     private final ApplicationPathResolver applicationPathResolver;
+    private final UpdateChecker updateChecker;
     private ConfigProperties configProperties;
     private Path instancesPath;
     private Path backupsPath;
 
     public AppConfiguration(ApplicationProperties applicationProperties) {
         this.applicationProperties = applicationProperties;
         this.applicationPathResolver = new ApplicationPathResolver(applicationProperties);
+        this.updateChecker = new UpdateChecker(applicationProperties);
     }
 
     @PostConstruct
@@ -57,6 +60,15 @@ private void initializePaths() {
         }
     }
 
+    @Bean
+    public String updateChecker() {
+        updateChecker.checkForUpdates().ifPresent(update -> {
+            System.out.println("A new version is available: " + update.version());
+            System.out.println("Download it at: " + update.downloadUrl());
+        });
+        return "Update Checker";
+    }
+
     @Bean
     public ConfigProperties configProperties() {
         return configProperties;

src/main/java/net/andrecarbajal/mine_control_cli/util/api/UpdateChecker.java

@@ -0,0 +1,44 @@
+package net.andrecarbajal.mine_control_cli.util.api;
+
+import lombok.RequiredArgsConstructor;
+import net.andrecarbajal.mine_control_cli.config.ApplicationProperties;
+import org.json.JSONArray;
+
+import java.util.Optional;
+
+@RequiredArgsConstructor
+public class UpdateChecker {
+    private final ApplicationProperties applicationProperties;
+
+    private static final String GITHUB_API_URL = "https://api.github.com/repos/MineControlCli/mine-control-cli/tags";
+    private static final String DOWNLOAD_URL = "https://github.com/MineControlCli/mine-control-cli/releases";
+
+    public Optional<UpdateInfo> checkForUpdates() {
+        JSONArray jsonArray = ApiClient.getJsonArray(GITHUB_API_URL);
+        String latestVersion = jsonArray.getJSONObject(0).getString("name");
+        return latestVersion != null && isNewerVersion(latestVersion) ? Optional.of(new UpdateInfo(latestVersion, DOWNLOAD_URL)) : Optional.empty();
+    }
+
+    private boolean isNewerVersion(String latestVersion) {
+        String normalizedLatestVersion = latestVersion.startsWith("v") ? latestVersion.substring(1) : latestVersion;
+
+        String[] latestParts = normalizedLatestVersion.split("\\.");
+        String[] currentParts = applicationProperties.getVersion().split("\\.");
+
+        for (int i = 0; i < Math.min(latestParts.length, currentParts.length); i++) {
+            int latestPart = Integer.parseInt(latestParts[i]);
+            int currentPart = Integer.parseInt(currentParts[i]);
+
+            if (latestPart > currentPart) {
+                return true;
+            } else if (latestPart < currentPart) {
+                return false;
+            }
+        }
+
+        return latestParts.length > currentParts.length;
+    }
+
+    public record UpdateInfo(String version, String downloadUrl) {
+    }
+}