add player listener

src/main/java/net/ardakaz/griefalert/database/PlayerRepository.java

@@ -0,0 +1,95 @@
+package net.ardakaz.griefalert.database;
+
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.logging.Logger;
+
+public class PlayerRepository {
+    private Logger logger;
+    private final DatabaseService database;
+
+    public PlayerRepository(DatabaseService database, Logger logger) {
+        this.database = database;
+        this.logger = logger;
+    }
+
+    public CompletableFuture<PlayerEntity> get(String uuid) {
+        return database.submit(connection -> {
+
+            try (PreparedStatement ps = connection.prepareStatement("SELECT * FROM players WHERE id=?")) {
+                ps.setString(1, uuid);
+
+                try (ResultSet rs = ps.executeQuery()) {
+                    if (rs.next()) {
+                        return new PlayerEntity(
+                                rs.getString("id"),
+                                Arrays.stream(rs.getString("names").split(",")).toList(),
+                                rs.getLong("playtime"),
+                                rs.getLong("firstseen"),
+                                rs.getLong("lastseen")
+                        );
+                    }
+                }
+            } catch (SQLException e) {
+                logger.severe("DB error: " + e.getMessage());
+            }
+            return null;
+
+        });
+    }
+
+    public CompletableFuture<Void> upsert(PlayerEntity entity) {
+        return database.submit(connection -> {
+            String upsert = """
+                    INSERT INTO players(id, names, firstseen, lastseen) VALUES(?,?,?,?)
+                    ON CONFLICT(id)
+                    DO UPDATE SET names=excluded.names, playtime=?, lastseen=excluded.lastseen;
+                    """;
+
+            try (PreparedStatement ps = connection.prepareStatement(upsert)) {
+                ps.setString(1, entity.id());
+                String names = String.join(",", entity.names());
+                ps.setString(2, names);
+                ps.setLong(3, entity.firstSeen());
+                ps.setLong(4, entity.lastSeen());
+                ps.setLong(5, entity.playtime());
+
+                ps.executeUpdate();
+
+            } catch (SQLException e) {
+                logger.severe("Failed to save player: " + entity);
+                logger.severe(e.getMessage());
+            }
+
+            return null;
+        });
+    }
+
+    public CompletableFuture<Void> updateNames(String id, List<String> names) {
+        return database.submit(connection -> {
+            String update = """
+                    UPDATE players
+                    SET names = ?
+                    WHERE id = ?
+                    """;
+
+            try (PreparedStatement ps = connection.prepareStatement(update)) {
+                ps.setString(1, String.join(",", names));
+                ps.setString(2, id);
+
+                ps.executeUpdate();
+
+            } catch (SQLException e) {
+                logger.severe("Failed to update names for playerID: " + id);
+                logger.severe(e.getMessage());
+            }
+
+            return null;
+        });
+    }
+}
+