first commit

src/main/java/cc/fascinated/bat/service/GuildService.java

@@ -0,0 +1,59 @@
+package cc.fascinated.bat.service;
+
+import cc.fascinated.bat.model.Guild;
+import cc.fascinated.bat.repository.GuildRepository;
+import lombok.NonNull;
+import lombok.extern.log4j.Log4j2;
+import net.dv8tion.jda.api.events.guild.GuildJoinEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Optional;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Service @Log4j2
+public class GuildService extends ListenerAdapter {
+    /**
+     * The guild repository to use
+     */
+    private final GuildRepository guildRepository;
+
+    /**
+     * The discord service to use
+     */
+    private final DiscordService discordService;
+
+    @Autowired
+    public GuildService(@NonNull GuildRepository guildRepository, @NonNull DiscordService discordService) {
+        this.guildRepository = guildRepository;
+        this.discordService = discordService;
+
+        discordService.getJda().addEventListener(this);
+    }
+
+    /**
+     * Gets a guild by its ID
+     *
+     * @param id The ID of the guild
+     * @return The guild
+     */
+    public Guild getGuild(@NonNull String id) {
+        long start = System.currentTimeMillis();
+        Optional<Guild> optionalGuild = guildRepository.findById(id);
+        if (optionalGuild.isPresent()) {
+            return optionalGuild.get();
+        }
+        Guild guild = guildRepository.save(new Guild(id));
+        log.info("Created guild \"{}\" in {}ms", id, System.currentTimeMillis() - start);
+        return guild;
+    }
+
+    @Override
+    public void onGuildJoin(GuildJoinEvent event) {
+        log.info("Joined guild \"{}\"", event.getGuild().getId());
+        getGuild(event.getGuild().getId()); // Ensure the guild is in the database
+    }
+}