Reworked best friends list

- Saving best friends' UUIDs now (instead of just the name), also checking for name changes periodically to keep best friends list up to date
- Moved best friends add/remove functionality from config GUI back to commands (`/moo <add|remove> <name>`)

1 files changed, 70 insertions, 0 deletions

diff --git a/src/main/java/eu/olli/cowmoonication/util/ApiUtils.java b/src/main/java/eu/olli/cowmoonication/util/ApiUtils.java
new file mode 100644
index 0000000..5ff7d5d
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/util/ApiUtils.java
@@ -0,0 +1,70 @@
+package eu.olli.cowmoonication.util;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonParser;
+import com.mojang.util.UUIDTypeAdapter;
+import eu.olli.cowmoonication.friends.Friend;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.function.Consumer;
+
+public class ApiUtils {
+    public static final String UUID_NOT_FOUND = "UUID-NOT-FOUND";
+    private static final String NAME_TO_UUID_URL = "https://api.mojang.com/users/profiles/minecraft/";
+    private static final String UUID_TO_NAME_URL = "https://api.mojang.com/user/profiles/%s/names";
+    private static ExecutorService pool = Executors.newCachedThreadPool();
+    private static Gson gson = new GsonBuilder().registerTypeAdapter(UUID.class, new UUIDTypeAdapter()).registerTypeAdapter(Friend.class, new Friend.FriendCreator()).create();
+
+    private ApiUtils() {
+    }
+
+    public static void fetchFriendData(String name, Consumer<Friend> action) {
+        pool.execute(() -> action.accept(getFriend(name)));
+    }
+
+    private static Friend getFriend(String name) {
+        try {
+            HttpURLConnection connection = (HttpURLConnection) new URL(NAME_TO_UUID_URL + name).openConnection();
+            connection.setReadTimeout(5000);
+            if (connection.getResponseCode() == 204) {
+                return Friend.FRIEND_NOT_FOUND;
+            } else if (connection.getResponseCode() == 200) {
+                return gson.fromJson(new BufferedReader(new InputStreamReader(connection.getInputStream())), Friend.class);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public static void fetchCurrentName(Friend friend, Consumer<String> action) {
+        pool.execute(() -> action.accept(getCurrentName(friend)));
+    }
+
+    private static String getCurrentName(Friend friend) {
+        try {
+            HttpURLConnection connection = (HttpURLConnection) new URL(String.format(UUID_TO_NAME_URL, UUIDTypeAdapter.fromUUID(friend.getUuid()))).openConnection();
+            connection.setReadTimeout(5000);
+            if (connection.getResponseCode() == 204) {
+                return UUID_NOT_FOUND;
+            } else if (connection.getResponseCode() == 200) {
+                JsonArray nameHistoryData = new JsonParser().parse(new BufferedReader(new InputStreamReader(connection.getInputStream()))).getAsJsonArray();
+                if (nameHistoryData.size() > 0) {
+                    return nameHistoryData.get(nameHistoryData.size() - 1).getAsJsonObject().get("name").getAsString();
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}