Added simple update checker

1 files changed, 53 insertions, 0 deletions

diff --git a/src/main/java/me/xmrvizzy/skyblocker/utils/UpdateChecker.java b/src/main/java/me/xmrvizzy/skyblocker/utils/UpdateChecker.java
new file mode 100644
index 00000000..2fb80fd6
--- /dev/null
+++ b/src/main/java/me/xmrvizzy/skyblocker/utils/UpdateChecker.java
@@ -0,0 +1,53 @@
+package me.xmrvizzy.skyblocker.utils;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import me.xmrvizzy.skyblocker.SkyblockerMod;
+import net.fabricmc.loader.api.FabricLoader;
+import org.spongepowered.asm.util.VersionNumber;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class UpdateChecker {
+    public static boolean shouldUpdate(){
+        Pattern pattern = Pattern.compile("v(\\d+)\\.(\\d+)\\.(\\d+)");
+        Pattern localPattern = Pattern.compile("(\\d+)\\.(\\d+)\\.(\\d+)");
+        Matcher matcher;
+        VersionNumber localVersion = null;
+        VersionNumber latestVersion = null;
+        Boolean shouldUpdate = false;
+
+        try{
+            URL url = new URL("https://api.modrinth.com/v2/project/skyblocker-liap/version");
+            URLConnection request = url.openConnection();
+            request.connect();
+
+            JsonElement json = JsonParser.parseReader(new InputStreamReader((InputStream) request.getContent()));
+            JsonArray jsonArray = json.getAsJsonArray();
+            JsonObject versionJson = jsonArray.get(0).getAsJsonObject();
+            matcher = pattern.matcher(versionJson.get("version_number").getAsString());
+            if (matcher.find()){
+                latestVersion = VersionNumber.parse(matcher.group(1) + "." + matcher.group(2) + "." + matcher.group(3));
+            }
+            matcher = localPattern.matcher(FabricLoader.getInstance().getModContainer(SkyblockerMod.NAMESPACE).get().getMetadata().getVersion().getFriendlyString());
+            if (matcher.find()){
+                localVersion = VersionNumber.parse(matcher.group(1) + "." + matcher.group(2) + "." + matcher.group(3));
+            }
+            if (localVersion != null && latestVersion != null)
+                if (localVersion.compareTo(latestVersion) < 0) shouldUpdate = true;
+
+        } catch (IOException e) {
+            e.printStackTrace();
+            shouldUpdate = false;
+        }
+        return shouldUpdate;
+    }
+}