Improve curseforge fetcher

build.gradle

@@ -11,18 +11,17 @@ archivesBaseName = project.archives_base_name
 version = project.mod_version
 group = project.maven_group
 
+repositories {
+    maven { url = "https://maven.terraformersmc.com/"; name = "ModMenu" }
+}
+
 dependencies {
-    //to change the versions see the gradle.properties file
     minecraft "com.mojang:minecraft:${project.minecraft_version}"
     mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
     modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
 
-    // Fabric API. This is technically optional, but you probably want it anyway.
     modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
-
-    // PSA: Some older mods, compiled on Loom 0.2.1, might have outdated Maven POMs.
-    // You may need to force-disable transitiveness on them.
-    modCompile("io.github.prospector:modmenu:1.14.9+build.14")
+    modCompile "com.terraformersmc:modmenu:1.16.7"
 }
 
 processResources {

gradle.properties

@@ -2,13 +2,13 @@
 org.gradle.jvmargs=-Xmx1G
 # Fabric Properties
 # check these on https://modmuss50.me/fabric.html
-minecraft_version=1.16.4
-yarn_mappings=1.16.4+build.7
-loader_version=0.10.8
+minecraft_version=1.16.5
+yarn_mappings=1.16.5+build.4
+loader_version=0.11.1
 # Mod Properties
-mod_version=1.2.0
+mod_version=1.3.0
 maven_group=io.gitlab.jfronny
 archives_base_name=resclone
 # Dependencies
 # check this on https://modmuss50.me/fabric.html
-fabric_version=0.25.1+build.416-1.16
+fabric_version=0.30.3+1.16

src/main/java/io/gitlab/jfronny/resclone/Resclone.java

@@ -31,6 +31,7 @@ public class Resclone implements ModInitializer, RescloneApi {
 
     @Override
     public void onInitialize() {
+        System.out.println("[resclone] Beginning init, will download packs");
         conf.clear();
         fetcherInstances.clear();
         processors.clear();
@@ -45,6 +46,7 @@ public class Resclone implements ModInitializer, RescloneApi {
         }
         addProcessor(new RemoveEmptyProcessor());
         reload();
+        System.out.println("[resclone] Completed");
     }
 
     @Override

src/main/java/io/gitlab/jfronny/resclone/data/CfAddon.java

@@ -0,0 +1,9 @@
+package io.gitlab.jfronny.resclone.data;
+
+import java.util.Set;
+
+public class CfAddon {
+    public String downloadUrl;
+    public String fileDate;
+    public Set<String> gameVersion;
+}

src/main/java/io/gitlab/jfronny/resclone/fetchers/CurseforgeFetcher.java

@@ -1,8 +1,11 @@
 package io.gitlab.jfronny.resclone.fetchers;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
+import io.gitlab.jfronny.resclone.data.CfAddon;
 import io.gitlab.jfronny.resclone.data.RescloneException;
+import net.minecraft.MinecraftVersion;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
 
 public class CurseforgeFetcher extends PackFetcher {
     @Override
@@ -13,8 +16,31 @@ public class CurseforgeFetcher extends PackFetcher {
     @Override
     public String getDownloadUrl(String baseUrl) throws RescloneException {
         try {
-            JsonObject latest = (JsonObject)readJsonFromURL("https://addons-ecs.forgesvc.net/api/v2/addon/" + baseUrl + "/files", JsonArray.class).get(0);
-            return latest.get("downloadUrl").getAsString();
+            SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss.SSS'Z'");
+
+            String version = MinecraftVersion.field_25319.getName();
+
+            CfAddon latest = null;
+            Date latestDate = null;
+            boolean foundMatchingVersion = false;
+
+            for (CfAddon addon : readJsonFromURLSet("https://addons-ecs.forgesvc.net/api/v2/addon/" + baseUrl + "/files", CfAddon.class)) {
+                Date d = df.parse(addon.fileDate);
+                if (foundMatchingVersion && !addon.gameVersion.contains(version))
+                    continue;
+                if (!foundMatchingVersion && addon.gameVersion.contains(version)) {
+                    foundMatchingVersion = true;
+                    latest = null;
+                }
+                if (latest == null || d.after(latestDate)) {
+                    latest = addon;
+                    latestDate = d;
+                }
+            }
+
+            if (!foundMatchingVersion)
+                System.err.println("Could not find pack for matching version, using latest");
+            return latest.downloadUrl;
         } catch (Throwable e) {
             throw new RescloneException("Could not get CF download for " + baseUrl, e);
         }

src/main/java/io/gitlab/jfronny/resclone/fetchers/PackFetcher.java

@@ -1,6 +1,7 @@
 package io.gitlab.jfronny.resclone.fetchers;
 
 import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
 import io.gitlab.jfronny.resclone.Resclone;
 import io.gitlab.jfronny.resclone.data.RescloneException;
 
@@ -12,6 +13,7 @@ import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Path;
 import java.util.Scanner;
+import java.util.Set;
 
 public abstract class PackFetcher {
     abstract public String getSourceTypeName(); // The name for users to specify in the config
@@ -41,8 +43,13 @@ public abstract class PackFetcher {
         return gson.fromJson(readStringFromURL(requestUrl), classOfT);
     }
 
+    public <T> Set<T> readJsonFromURLSet(String requestUrl, Class<T> classOfT) throws IOException {
+        return gson.fromJson(readStringFromURL(requestUrl), TypeToken.getParameterized(Set.class, classOfT).getType());
+    }
+
     public void get(String baseUrl, Path targetPath) throws RescloneException {
         String url = getDownloadUrl(baseUrl);
+        System.out.println("Downloading pack " + url);
         try (InputStream is = new URL(url).openStream()) {
             FileOutputStream os = new FileOutputStream(targetPath.toFile());
             byte[] dataBuffer = new byte[1024];
@@ -50,6 +57,7 @@ public abstract class PackFetcher {
             while ((bytesRead = is.read(dataBuffer, 0, 1024)) != -1) {
                 os.write(dataBuffer, 0, bytesRead);
             }
+            System.out.println("Completed download");
         }
         catch (Throwable e) {
             throw new RescloneException("Could not download pack", e);

src/main/java/io/gitlab/jfronny/resclone/processors/PruneVanillaProcessor.java

@@ -21,21 +21,23 @@ public class PruneVanillaProcessor extends PackProcessor {
     public void process(FileSystem p) throws RescloneException {
         ClassLoader cl = MinecraftClient.class.getClassLoader();
         try {
-            Files.walkFileTree(p.getPath("/assets/minecraft"), new PathPruneVisitor((s) -> {
-                if (Files.isDirectory(s))
-                    return false;
-                try {
-                    InputStream vn = cl.getResourceAsStream(p.getPath("/").relativize(s).toString());
-                    if (vn != null) {
-                        InputStream pk = Files.newInputStream(s, StandardOpenOption.READ);
-                        return IOUtils.contentEquals(vn, pk);
+            if (Files.isDirectory(p.getPath("/assets/minecraft"))) {
+                Files.walkFileTree(p.getPath("/assets/minecraft"), new PathPruneVisitor((s) -> {
+                    if (Files.isDirectory(s))
+                        return false;
+                    try {
+                        InputStream vn = cl.getResourceAsStream(p.getPath("/").relativize(s).toString());
+                        if (vn != null) {
+                            InputStream pk = Files.newInputStream(s, StandardOpenOption.READ);
+                            return IOUtils.contentEquals(vn, pk);
+                        }
                     }
-                }
-                catch (Throwable e) {
-                    e.printStackTrace();
-                }
-                return false;
-            }));
+                    catch (Throwable e) {
+                        e.printStackTrace();
+                    }
+                    return false;
+                }));
+            }
         } catch (IOException e) {
             throw new RescloneException("Could not prune vanilla files", e);
         }