Version Checker + Mirror REI + Fix Bugsv2.2.0.16

1 files changed, 166 insertions, 0 deletions

diff --git a/src/main/java/me/shedaniel/rei/update/UpdateChecker.java b/src/main/java/me/shedaniel/rei/update/UpdateChecker.java
new file mode 100644
index 000000000..46ee48c69
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/update/UpdateChecker.java
@@ -0,0 +1,166 @@
+package me.shedaniel.rei.update;
+
+import com.google.common.collect.Lists;
+import com.google.gson.*;
+import com.google.gson.annotations.SerializedName;
+import me.shedaniel.rei.client.ConfigHelper;
+import org.apache.commons.io.IOUtils;
+import org.dimdev.riftloader.listener.InitializationListener;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringBufferInputStream;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class UpdateChecker implements InitializationListener {
+    
+    private static final Gson GSON = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create();
+    private static final Version CURRENT_VERSION = new Version("2.2.0.16");
+    private static final String CURRENT_GAME_VERSION = "1.13.2";
+    private static Version latestForGame = null;
+    private static JsonVersionElement element;
+    private static String VERSION_STRING = "https://raw.githubusercontent.com/shedaniel/RoughlyEnoughItems/1.13.2-rewrite/version.json";
+    
+    public static boolean isOutdated() {
+        return latestForGame.compareTo(CURRENT_VERSION) == 1 && CURRENT_VERSION != null;
+    }
+    
+    public static JsonVersionElement getElement() {
+        return element;
+    }
+    
+    public static UpdatePriority getUpdatePriority(List<Version> versions) {
+        UpdatePriority p = UpdatePriority.NONE;
+        List<UpdatePriority> priorities = Arrays.asList(UpdatePriority.values());
+        for(UpdatePriority priority : versions.stream().map(UpdateChecker::getUpdatePriority).collect(Collectors.toList()))
+            if (priority.compareTo(p) > 0)
+                p = priority;
+        return p;
+    }
+    
+    public static UpdatePriority getUpdatePriority(Version version) {
+        JsonArray array = element.getChangelogs().getRift();
+        for(JsonElement element : array) {
+            JsonObject jsonObject = element.getAsJsonObject();
+            if (jsonObject.has("version") && jsonObject.get("version").getAsString().equals(version.toString()))
+                return UpdatePriority.fromString(jsonObject.get("level").getAsString());
+        }
+        return UpdatePriority.NONE;
+    }
+    
+    public static boolean checkUpdates() {
+        return ConfigHelper.getInstance().checkUpdates();
+    }
+    
+    public static Version getCurrentVersion() {
+        return CURRENT_VERSION;
+    }
+    
+    public static Version getLatestForGame() {
+        return latestForGame;
+    }
+    
+    static List<Version> getVersionsHigherThan(Version currentVersion) {
+        List<Version> versions = Lists.newLinkedList();
+        JsonArray array = element.getChangelogs().getRift();
+        array.forEach(jsonElement -> {
+            Version jsonVersion = new Version(jsonElement.getAsJsonObject().get("version").getAsString());
+            if (jsonVersion.compareTo(currentVersion) > 0)
+                versions.add(jsonVersion);
+        });
+        return versions;
+    }
+    
+    private static InputStream downloadVersionString() {
+        try {
+            URL versionUrl = new URL(VERSION_STRING);
+            return versionUrl.openStream();
+        } catch (IOException e) {
+            return new StringBufferInputStream("{}");
+        }
+    }
+    
+    private static String parseLatest(JsonVersionElement element, String gameVersion) {
+        List<LatestVersionObject> objects = new LinkedList<>(element.getLatestVersions());
+        for(int i = objects.size() - 1; i >= 0; i--)
+            if (objects.get(i).getGameVersion().equals(gameVersion))
+                return objects.get(i).getModVersion();
+        return objects.get(objects.size() - 1).getModVersion();
+    }
+    
+    @Override
+    public void onInitialization() {
+        if (!checkUpdates())
+            return;
+        InputStream downloadedStream = downloadVersionString();
+        String downloadedString = null;
+        try {
+            downloadedString = IOUtils.toString(downloadedStream, StandardCharsets.UTF_8);
+            element = GSON.fromJson(downloadedString, JsonVersionElement.class);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        if (downloadedString != null && !downloadedString.equalsIgnoreCase("{}"))
+            latestForGame = new Version(parseLatest(element, CURRENT_GAME_VERSION));
+        else
+            latestForGame = new Version("0.0.0");
+    }
+    
+    static class JsonVersionElement {
+        @SerializedName("latest")
+        private List<LatestVersionObject> latestVersions;
+        private ChangelogObject changelogs;
+        
+        public JsonVersionElement() {
+            this.latestVersions = Lists.newArrayList();
+            changelogs = new ChangelogObject();
+        }
+        
+        public List<LatestVersionObject> getLatestVersions() {
+            return latestVersions;
+        }
+        
+        public ChangelogObject getChangelogs() {
+            return changelogs;
+        }
+    }
+    
+    static class LatestVersionObject {
+        @SerializedName("game")
+        private String gameVersion = "";
+        @SerializedName("mod")
+        private String modVersion = "";
+        
+        public String getGameVersion() {
+            return gameVersion;
+        }
+        
+        public String getModVersion() {
+            return modVersion;
+        }
+        
+        @Override
+        public String toString() {
+            return String.format("LatestVersion[%s] = %s", getGameVersion(), getModVersion());
+        }
+    }
+    
+    static class ChangelogObject {
+        private JsonArray fabric = new JsonArray();
+        private JsonArray rift = new JsonArray();
+        
+        public JsonArray getFabric() {
+            return fabric;
+        }
+        
+        public JsonArray getRift() {
+            return rift;
+        }
+    }
+    
+}
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