feat: centralized constants and enums for project-wide use

src/modules/leveling/leveling.service.ts

@@ -3,6 +3,7 @@ import { eq, sql, and } from "drizzle-orm";
 import { withTransaction } from "@/lib/db";
 import { config } from "@/lib/config";
 import type { Transaction } from "@/lib/types";
+import { TimerType } from "@/lib/constants";
 
 export const levelingService = {
     // Calculate total XP required to REACH a specific level (Cumulative)
@@ -78,7 +79,7 @@ export const levelingService = {
             const cooldown = await txFn.query.userTimers.findFirst({
                 where: and(
                     eq(userTimers.userId, BigInt(id)),
-                    eq(userTimers.type, 'COOLDOWN'),
+                    eq(userTimers.type, TimerType.COOLDOWN),
                     eq(userTimers.key, 'chat_xp')
                 ),
             });
@@ -95,7 +96,7 @@ export const levelingService = {
             const xpBoost = await txFn.query.userTimers.findFirst({
                 where: and(
                     eq(userTimers.userId, BigInt(id)),
-                    eq(userTimers.type, 'EFFECT'),
+                    eq(userTimers.type, TimerType.EFFECT),
                     eq(userTimers.key, 'xp_boost')
                 )
             });
@@ -114,7 +115,7 @@ export const levelingService = {
             await txFn.insert(userTimers)
                 .values({
                     userId: BigInt(id),
-                    type: 'COOLDOWN',
+                    type: TimerType.COOLDOWN,
                     key: 'chat_xp',
                     expiresAt: nextReadyAt,
                 })