1 files changed, 90 insertions, 0 deletions
diff --git a/src/main/java/me/xmrvizzy/skyblocker/utils/NEURepo.java b/src/main/java/me/xmrvizzy/skyblocker/utils/NEURepo.java
new file mode 100644
index 00000000..027cfa7a
--- /dev/null
+++ b/src/main/java/me/xmrvizzy/skyblocker/utils/NEURepo.java
@@ -0,0 +1,90 @@
+package me.xmrvizzy.skyblocker.utils;
+
+import me.xmrvizzy.skyblocker.SkyblockerMod;
+import me.xmrvizzy.skyblocker.skyblock.itemlist.ItemRegistry;
+import net.fabricmc.fabric.api.client.command.v2.ClientCommandManager;
+import net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.text.Text;
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+public class NEURepo {
+    private static final Logger LOGGER = LoggerFactory.getLogger(NEURepo.class);
+    public static final String REMOTE_REPO_URL = "https://github.com/NotEnoughUpdates/NotEnoughUpdates-REPO.git";
+    public static final Path LOCAL_REPO_DIR = SkyblockerMod.CONFIG_DIR.resolve("item-repo");
+    private static final CompletableFuture<Void> REPO_INITIALIZED = initRepository();
+
+    /**
+     * Adds command to update repository manually from ingame.
+     * <p></p>
+     * TODO A button could be added to the settings menu that will trigger this command.
+     */
+    public static void init() {
+        ClientCommandRegistrationCallback.EVENT.register((dispatcher, registryAccess) ->
+                dispatcher.register(ClientCommandManager.literal(SkyblockerMod.NAMESPACE)
+                        .then(ClientCommandManager.literal("updaterepository").executes(context -> {
+                            deleteAndDownloadRepository();
+                            return 1;
+                        }))));
+    }
+
+    public static CompletableFuture<Void> initRepository() {
+        return CompletableFuture.runAsync(() -> {
+            try {
+                if (Files.isDirectory(NEURepo.LOCAL_REPO_DIR)) {
+                    try (Git localRepo = Git.open(NEURepo.LOCAL_REPO_DIR.toFile())) {
+                        localRepo.pull().setRebase(true).call();
+                        LOGGER.info("[Skyblocker] NEU Repository Updated");
+                    }
+                } else {
+                    Git.cloneRepository().setURI(REMOTE_REPO_URL).setDirectory(NEURepo.LOCAL_REPO_DIR.toFile()).setBranchesToClone(List.of("refs/heads/master")).setBranch("refs/heads/master").call().close();
+                    LOGGER.info("[Skyblocker] NEU Repository Downloaded");
+                }
+            } catch (RepositoryNotFoundException e) {
+                LOGGER.warn("Local NEU Repository not found or corrupted, downloading new one", e);
+                deleteAndDownloadRepository();
+            } catch (Exception e) {
+                LOGGER.error("Encountered unknown exception while initializing NEU Repository", e);
+            }
+        });
+    }
+
+    public static void deleteAndDownloadRepository() {
+        CompletableFuture.runAsync(() -> {
+            try {
+                ItemRegistry.filesImported = false;
+                File dir = NEURepo.LOCAL_REPO_DIR.toFile();
+                recursiveDelete(dir);
+            } catch (Exception ex) {
+                if (MinecraftClient.getInstance().player != null)
+                    MinecraftClient.getInstance().player.sendMessage(Text.translatable("skyblocker.updaterepository.failed"), false);
+                return;
+            }
+            initRepository();
+        });
+    }
+
+    @SuppressWarnings("ResultOfMethodCallIgnored")
+    private static void recursiveDelete(File dir) {
+        File[] children;
+        if (dir.isDirectory() && !Files.isSymbolicLink(dir.toPath()) && (children = dir.listFiles()) != null) {
+            for (File child : children) {
+                recursiveDelete(child);
+            }
+        }
+        dir.delete();
+    }
+
+    public static CompletableFuture<Void> runAsyncAfterLoad(Runnable runnable) {
+        return REPO_INITIALIZED.thenRunAsync(runnable);
+    }
+}