feat: Implement userService.getOrCreateUser and integrate it across commands, remove old utility scripts, and fix daily bonus calculation.

src/commands/economy/balance.ts

@@ -15,12 +15,7 @@ export const balance = createCommand({
         await interaction.deferReply();
 
         const targetUser = interaction.options.getUser("user") || interaction.user;
-        const user = await userService.getUserById(targetUser.id);
-
-        if (!user) {
-            await interaction.editReply({ content: "❌ User not found in database." });
-            return;
-        }
+        const user = await userService.getOrCreateUser(targetUser.id, targetUser.username);
 
         const embed = new EmbedBuilder()
             .setAuthor({ name: targetUser.username, iconURL: targetUser.displayAvatarURL() })

src/commands/economy/daily.ts

@@ -1,6 +1,7 @@
 import { createCommand } from "@/lib/utils";
 import { SlashCommandBuilder, EmbedBuilder } from "discord.js";
 import { economyService } from "@/modules/economy/economy.service";
+import { userService } from "@/modules/user/user.service";
 
 export const daily = createCommand({
     data: new SlashCommandBuilder()

src/commands/economy/pay.ts

@@ -21,7 +21,7 @@ export const pay = createCommand({
     execute: async (interaction) => {
         await interaction.deferReply();
 
-        const targetUser = interaction.options.getUser("user", true);
+        const targetUser = await userService.getOrCreateUser(interaction.options.getUser("user", true).id, interaction.options.getUser("user", true).username);
         const amount = BigInt(interaction.options.getInteger("amount", true));
         const senderId = interaction.user.id;
         const receiverId = targetUser.id;
@@ -31,12 +31,6 @@ export const pay = createCommand({
             return;
         }
 
-        // Ensure receiver exists
-        let receiver = await userService.getUserById(receiverId);
-        if (!receiver) {
-            receiver = await userService.createUser(receiverId, targetUser.username, undefined);
-        }
-
         try {
             await economyService.transfer(senderId, receiverId, amount);
 

src/commands/inventory/inventory.ts

@@ -1,6 +1,7 @@
 import { createCommand } from "@/lib/utils";
 import { SlashCommandBuilder, EmbedBuilder } from "discord.js";
 import { inventoryService } from "@/modules/inventory/inventory.service";
+import { userService } from "@/modules/user/user.service";
 
 export const inventory = createCommand({
     data: new SlashCommandBuilder()
@@ -15,11 +16,12 @@ export const inventory = createCommand({
         await interaction.deferReply();
 
         const targetUser = interaction.options.getUser("user") || interaction.user;
-        const items = await inventoryService.getInventory(targetUser.id);
+        const user = await userService.getOrCreateUser(targetUser.id, targetUser.username);
+        const items = await inventoryService.getInventory(user.id);
 
         if (!items || items.length === 0) {
             const embed = new EmbedBuilder()
-                .setTitle(`${targetUser.username}'s Inventory`)
+                .setTitle(`${user.username}'s Inventory`)
                 .setDescription("Inventory is empty.")
                 .setColor("Blue");
 
@@ -32,7 +34,7 @@ export const inventory = createCommand({
         }).join("\n");
 
         const embed = new EmbedBuilder()
-            .setTitle(`${targetUser.username}'s Inventory`)
+            .setTitle(`${user.username}'s Inventory`)
             .setDescription(description)
             .setColor("Blue")
             .setTimestamp();

src/commands/user/profile.ts

@@ -17,25 +17,7 @@ export const profile = createCommand({
         const targetUser = interaction.options.getUser("user") || interaction.user;
         const targetMember = await interaction.guild?.members.fetch(targetUser.id).catch(() => null);
 
-        let user = await userService.getUserById(targetUser.id);
-
-        if (!user) {
-            // Auto-create user if they don't exist
-            // Assuming no class assigned initially (null)
-            user = await userService.createUser(targetUser.id, targetUser.username, undefined);
-        }
-
-        // Refetch to get class relation if needed (though createUser returns user, it might not have relations loaded if we add them later)
-        // For now, let's assume we might need to join class manually or update userService to return it.
-        // Actually, let's just use what we have. If we need class name, we might need a separate query or update userService to include relation.
-        // Let's check if 'class' is in the returned user object from userService.getUserById.
-        // Looking at userService.ts, it uses findFirst. If we want relations, we need to add `with`.
-
-        // Let's quickly re-fetch with relations to be safe and get Class Name
-        // Or we can update userService given we are in "Implement Commands" but changing service might be out of scope? 
-        // No, I should make sure the command works.
-        // Let's rely on standard Drizzle query here for the "view" part or update service.
-        // Updating service is cleaner.
+        const user = await userService.getOrCreateUser(targetUser.id, targetUser.username);
 
         const embed = new EmbedBuilder()
             .setTitle(`${targetUser.username}'s Profile`)