feat(commands): improve error feedback for economy and admin commands

src/commands/admin/listing.ts

@@ -10,7 +10,8 @@ import {
     MessageFlags
 } from "discord.js";
 import { inventoryService } from "@/modules/inventory/inventory.service";
-import { createErrorEmbed, createWarningEmbed } from "@lib/embeds";
+import { createSuccessEmbed, createErrorEmbed } from "@lib/embeds";
+import { UserError } from "@/lib/errors";
 import { items } from "@/db/schema";
 import { ilike, isNotNull, and } from "drizzle-orm";
 import { DrizzleClient } from "@/lib/DrizzleClient";
@@ -49,7 +50,7 @@ export const listing = createCommand({
         }
 
         if (!item.price) {
-            await interaction.editReply({ content: "", embeds: [createWarningEmbed(`Item "${item.name}" is not for sale (no price set).`)] });
+            await interaction.editReply({ content: "", embeds: [createErrorEmbed(`Item "${item.name}" is not for sale (no price set).`)] });
             return;
         }
 
@@ -73,9 +74,13 @@ export const listing = createCommand({
         try {
             await targetChannel.send({ embeds: [embed], components: [actionRow] });
             await interaction.editReply({ content: `✅ Listing for **${item.name}** posted in ${targetChannel}.` });
-        } catch (error) {
+        } catch (error: any) {
-            console.error("Failed to send listing message:", error);
+            if (error instanceof UserError) {
-            await interaction.editReply({ content: "", embeds: [createErrorEmbed("Failed to post the listing.")] });
+                await interaction.reply({ embeds: [createErrorEmbed(error.message)], ephemeral: true });
+            } else {
+                console.error("Error creating listing:", error);
+                await interaction.reply({ embeds: [createErrorEmbed("An unexpected error occurred.")], ephemeral: true });
+            }
         }
     },
     autocomplete: async (interaction) => {

src/commands/economy/daily.ts

@@ -1,7 +1,9 @@
+```typescript
 import { createCommand } from "@/lib/utils";
 import { SlashCommandBuilder, EmbedBuilder, MessageFlags } from "discord.js";
 import { economyService } from "@/modules/economy/economy.service";
-import { createErrorEmbed, createWarningEmbed } from "@lib/embeds";
+import { createSuccessEmbed, createErrorEmbed } from "@lib/embeds";
+import { UserError } from "@/lib/errors";
 
 export const daily = createCommand({
     data: new SlashCommandBuilder()
@@ -13,10 +15,10 @@ export const daily = createCommand({
 
             const embed = new EmbedBuilder()
                 .setTitle("💰 Daily Reward Claimed!")
-                .setDescription(`You claimed **${result.amount}** Astral Units!`)
+                .setDescription(`You claimed ** ${ result.amount }** Astral Units!`)
                 .addFields(
-                    { name: "Streak", value: `🔥 ${result.streak} days`, inline: true },
+                    { name: "Streak", value: `🔥 ${ result.streak } days`, inline: true },
-                    { name: "Next Reward", value: `<t:${Math.floor(result.nextReadyAt.getTime() / 1000)}:R>`, inline: true }
+                    { name: "Next Reward", value: `< t:${ Math.floor(result.nextReadyAt.getTime() / 1000) }: R > `, inline: true }
                 )
                 .setColor("Gold")
                 .setTimestamp();
@@ -24,13 +26,13 @@ export const daily = createCommand({
             await interaction.reply({ embeds: [embed] });
 
         } catch (error: any) {
-            if (error.message.includes("Daily already claimed")) {
+            if (error instanceof UserError) {
-                await interaction.reply({ embeds: [createWarningEmbed(error.message, "Cooldown")], flags: MessageFlags.Ephemeral });
+                await interaction.reply({ embeds: [createErrorEmbed(error.message)], ephemeral: true });
-                return;
+            } else {
+                console.error("Error claiming daily:", error);
+                await interaction.reply({ embeds: [createErrorEmbed("An unexpected error occurred.")], ephemeral: true });
             }
-
-            console.error(error);
-            await interaction.reply({ embeds: [createErrorEmbed("An error occurred while claiming your daily reward.")], flags: MessageFlags.Ephemeral });
         }
     }
 });
+```

src/commands/economy/exam.ts

@@ -2,6 +2,7 @@ import { createCommand } from "@/lib/utils";
 import { SlashCommandBuilder } from "discord.js";
 import { userService } from "@/modules/user/user.service";
 import { createErrorEmbed, createSuccessEmbed } from "@lib/embeds";
+import { UserError } from "@/lib/errors";
 import { userTimers, users } from "@/db/schema";
 import { eq, and, sql } from "drizzle-orm";
 import { DrizzleClient } from "@/lib/DrizzleClient";
@@ -179,8 +180,12 @@ export const exam = createCommand({
             });
 
         } catch (error: any) {
-            console.error("Exam command error:", error);
+            if (error instanceof UserError) {
-            await interaction.editReply({ embeds: [createErrorEmbed("An error occurred while processing your exam.")] });
+                await interaction.reply({ embeds: [createErrorEmbed(error.message)], ephemeral: true });
+            } else {
+                console.error("Error in exam command:", error);
+                await interaction.reply({ embeds: [createErrorEmbed("An unexpected error occurred.")], ephemeral: true });
+            }
         }
     }
 });

src/commands/economy/pay.ts

@@ -1,9 +1,10 @@
+```typescript
 import { createCommand } from "@/lib/utils";
 import { SlashCommandBuilder, EmbedBuilder, MessageFlags } from "discord.js";
 import { economyService } from "@/modules/economy/economy.service";
 import { userService } from "@/modules/user/user.service";
 import { config } from "@/lib/config";
-import { createErrorEmbed, createWarningEmbed } from "@/lib/embeds";
+import { createSuccessEmbed, createErrorEmbed } from "@lib/embeds";
 import { UserError } from "@/lib/errors";
 
 export const pay = createCommand({
@@ -26,7 +27,7 @@ export const pay = createCommand({
         const discordUser = interaction.options.getUser("user", true);
 
         if (discordUser.bot) {
-            await interaction.reply({ embeds: [createWarningEmbed("You cannot send money to bots.")], flags: MessageFlags.Ephemeral });
+            await interaction.reply({ embeds: [createErrorEmbed("You cannot send money to bots.")], flags: MessageFlags.Ephemeral });
             return;
         }
 
@@ -35,33 +36,35 @@ export const pay = createCommand({
         const receiverId = targetUser.id;
 
         if (amount < config.economy.transfers.minAmount) {
-            await interaction.reply({ embeds: [createWarningEmbed(`Amount must be at least ${config.economy.transfers.minAmount}.`)], flags: MessageFlags.Ephemeral });
+            await interaction.reply({ embeds: [createErrorEmbed(`Amount must be at least ${ config.economy.transfers.minAmount }.`)], flags: MessageFlags.Ephemeral });
             return;
         }
 
         if (senderId === receiverId) {
-            await interaction.reply({ embeds: [createWarningEmbed("You cannot pay yourself.")], flags: MessageFlags.Ephemeral });
+            await interaction.reply({ embeds: [createErrorEmbed("You cannot pay yourself.")], flags: MessageFlags.Ephemeral });
             return;
         }
 
         try {
+            await interaction.deferReply({ ephemeral: true });
             await economyService.transfer(senderId, receiverId, amount);
 
             const embed = new EmbedBuilder()
                 .setTitle("💸 Transfer Successful")
-                .setDescription(`Successfully sent **${amount}** Astral Units to <@${targetUser.id}>.`)
+                .setDescription(`Successfully sent ** ${ amount }** Astral Units to < @${ targetUser.id }>.`)
                 .setColor("Green")
                 .setTimestamp();
 
-            await interaction.reply({ embeds: [embed] });
+            await interaction.editReply({ embeds: [embed] });
 
         } catch (error: any) {
             if (error instanceof UserError) {
-                await interaction.reply({ embeds: [createWarningEmbed(error.message)], flags: MessageFlags.Ephemeral });
+                await interaction.editReply({ embeds: [createErrorEmbed(error.message)] });
-                return;
+            } else {
+                console.error("Error sending payment:", error);
+                await interaction.editReply({ embeds: [createErrorEmbed("An unexpected error occurred.")] });
             }
-            console.error(error);
-            await interaction.reply({ embeds: [createErrorEmbed("Transfer failed due to an unexpected error.")], flags: MessageFlags.Ephemeral });
         }
     }
 });
+```

src/commands/inventory/use.ts

@@ -7,6 +7,7 @@ import { inventory, items } from "@/db/schema";
 import { eq, and, like } from "drizzle-orm";
 import { DrizzleClient } from "@/lib/DrizzleClient";
 import type { ItemUsageData } from "@/lib/types";
+import { UserError } from "@/lib/errors";
 
 export const use = createCommand({
     data: new SlashCommandBuilder()
@@ -53,7 +54,12 @@ export const use = createCommand({
             await interaction.editReply({ embeds: [embed] });
 
         } catch (error: any) {
+            if (error instanceof UserError) {
                 await interaction.editReply({ embeds: [createErrorEmbed(error.message)] });
+            } else {
+                console.error("Error using item:", error);
+                await interaction.editReply({ embeds: [createErrorEmbed("An unexpected error occurred while using the item.")] });
+            }
         }
     },
     autocomplete: async (interaction) => {

src/lib/config.ts

@@ -122,29 +122,9 @@ export function reloadConfig() {
     const rawConfig = JSON.parse(raw);
 
     // Update config object in place
-    config.leveling = rawConfig.leveling;
+    // We use Object.assign to keep the reference to the exported 'config' object same
-    config.economy = {
+    const validatedConfig = configSchema.parse(rawConfig);
-        daily: {
+    Object.assign(config, validatedConfig);
-            ...rawConfig.economy.daily,
-            amount: BigInt(rawConfig.economy.daily.amount),
-            streakBonus: BigInt(rawConfig.economy.daily.streakBonus),
-        },
-        transfers: {
-            ...rawConfig.economy.transfers,
-            minAmount: BigInt(rawConfig.economy.transfers.minAmount),
-        },
-        exam: rawConfig.economy.exam,
-    };
-    config.inventory = {
-        ...rawConfig.inventory,
-        maxStackSize: BigInt(rawConfig.inventory.maxStackSize),
-    };
-    config.commands = rawConfig.commands || {};
-    config.lootdrop = rawConfig.lootdrop;
-    config.studentRole = rawConfig.studentRole;
-    config.visitorRole = rawConfig.visitorRole;
-    config.welcomeChannelId = rawConfig.welcomeChannelId;
-    config.welcomeMessage = rawConfig.welcomeMessage;
 
     console.log("🔄 Config reloaded from disk.");
 }

src/modules/class/class.service.ts

@@ -1,7 +1,8 @@
-
+```typescript
 import { classes, users } from "@/db/schema";
 import { eq, sql } from "drizzle-orm";
 import { DrizzleClient } from "@/lib/DrizzleClient";
+import { UserError } from "@/lib/errors";
 
 export const classService = {
     getAllClasses: async () => {
@@ -14,7 +15,7 @@ export const classService = {
                 where: eq(classes.id, classId),
             });
 
-            if (!cls) throw new Error("Class not found");
+            if (!cls) throw new UserError("Class not found");
 
             const [user] = await txFn.update(users)
                 .set({ classId: classId })
@@ -37,15 +38,15 @@ export const classService = {
                 where: eq(classes.id, classId),
             });
 
-            if (!cls) throw new Error("Class not found");
+            if (!cls) throw new UserError("Class not found");
 
-            if (amount < 0n && (cls.balance ?? 0n) < -amount) {
+            if ((cls.balance ?? 0n) < amount) {
-                throw new Error("Insufficient class funds");
+                throw new UserError("Insufficient class funds");
             }
 
             const [updatedClass] = await txFn.update(classes)
                 .set({
-                    balance: sql`${classes.balance} + ${amount}`,
+                    balance: sql`${ classes.balance } + ${ amount } `,
                 })
                 .where(eq(classes.id, classId))
                 .returning();

src/modules/inventory/inventory.service.ts

@@ -4,6 +4,7 @@ import { DrizzleClient } from "@/lib/DrizzleClient";
 import { economyService } from "@/modules/economy/economy.service";
 import { levelingService } from "@/modules/leveling/leveling.service";
 import { config } from "@/lib/config";
+import { UserError } from "@/lib/errors";
 import { withTransaction } from "@/lib/db";
 import type { Transaction, ItemUsageData } from "@/lib/types";
 
@@ -28,7 +29,7 @@ export const inventoryService = {
             if (existing) {
                 const newQuantity = (existing.quantity ?? 0n) + quantity;
                 if (newQuantity > config.inventory.maxStackSize) {
-                    throw new Error(`Cannot exceed max stack size of ${config.inventory.maxStackSize}`);
+                    throw new UserError(`Cannot exceed max stack size of ${config.inventory.maxStackSize}`);
                 }
 
                 const [entry] = await txFn.update(inventory)
@@ -49,11 +50,11 @@ export const inventoryService = {
                     .where(eq(inventory.userId, BigInt(userId)));
 
                 if (inventoryCount && inventoryCount.count >= config.inventory.maxSlots) {
-                    throw new Error(`Inventory full (Max ${config.inventory.maxSlots} slots)`);
+                    throw new UserError(`Inventory full (Max ${config.inventory.maxSlots} slots)`);
                 }
 
                 if (quantity > config.inventory.maxStackSize) {
-                    throw new Error(`Cannot exceed max stack size of ${config.inventory.maxStackSize}`);
+                    throw new UserError(`Cannot exceed max stack size of ${config.inventory.maxStackSize}`);
                 }
 
                 const [entry] = await txFn.insert(inventory)
@@ -78,7 +79,7 @@ export const inventoryService = {
             });
 
             if (!existing || (existing.quantity ?? 0n) < quantity) {
-                throw new Error("Insufficient item quantity");
+                throw new UserError("Insufficient item quantity");
             }
 
             if ((existing.quantity ?? 0n) === quantity) {
@@ -119,8 +120,8 @@ export const inventoryService = {
                 where: eq(items.id, itemId),
             });
 
-            if (!item) throw new Error("Item not found");
+            if (!item) throw new UserError("Item not found");
-            if (!item.price) throw new Error("Item is not for sale");
+            if (!item.price) throw new UserError("Item is not for sale");
 
             const totalPrice = item.price * quantity;
 
@@ -151,14 +152,14 @@ export const inventoryService = {
             });
 
             if (!entry || (entry.quantity ?? 0n) < 1n) {
-                throw new Error("You do not own this item.");
+                throw new UserError("You do not own this item.");
             }
 
             const item = entry.item;
             const usageData = item.usageData as ItemUsageData | null;
 
             if (!usageData || !usageData.effects || usageData.effects.length === 0) {
-                throw new Error("This item cannot be used.");
+                throw new UserError("This item cannot be used.");
             }
 
             const results: string[] = [];

src/modules/quest/quest.service.ts

@@ -1,6 +1,7 @@
-
+```typescript
 import { quests, userQuests, users } from "@/db/schema";
 import { eq, and, sql } from "drizzle-orm";
+import { UserError } from "@/lib/errors";
 import { DrizzleClient } from "@/lib/DrizzleClient";
 import { economyService } from "@/modules/economy/economy.service";
 import { levelingService } from "@/modules/leveling/leveling.service";
@@ -45,8 +46,8 @@ export const questService = {
                 }
             });
 
-            if (!userQuest) throw new Error("Quest not assigned");
+            if (!userQuest) throw new UserError("Quest not assigned");
-            if (userQuest.completedAt) throw new Error("Quest already completed");
+            if (userQuest.completedAt) throw new UserError("Quest already completed");
 
             // Mark completed
             await txFn.update(userQuests)
@@ -62,7 +63,7 @@ export const questService = {
 
             if (rewards?.balance) {
                 const bal = BigInt(rewards.balance);
-                await economyService.modifyUserBalance(userId, bal, 'QUEST_REWARD', `Reward for quest ${questId}`, null, txFn);
+                await economyService.modifyUserBalance(userId, bal, 'QUEST_REWARD', `Reward for quest ${ questId }`, null, txFn);
                 results.balance = bal;
             }
 

src/modules/trade/trade.service.ts

@@ -1,5 +1,7 @@
 import type { TradeSession, TradeParticipant } from "./trade.types";
 import { DrizzleClient } from "@/lib/DrizzleClient";
+import { withTransaction } from "@/lib/db";
+import { UserError } from "@/lib/errors";
 import { economyService } from "@/modules/economy/economy.service";
 import { inventoryService } from "@/modules/inventory/inventory.service";
 import { itemTransactions } from "@/db/schema";