Revert "Reapply "Exclude concurrent public traffic work""

This reverts commit 48924428ee.

app/game-api/src/router/public/index.ts

@@ -42,6 +42,14 @@ type NationCountRow = {
 
 type NpcListSort = 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8;
 
+type TrafficHistoryItem = {
+    year: number;
+    month: number;
+    refresh: number;
+    online: number;
+    date: string;
+};
+
 const PUBLIC_CACHE_TTL_SECONDS = 600;
 
 const buildPublicCacheKey = (ctx: GameApiContext, key: string): string =>
@@ -163,6 +171,26 @@ const readFiniteMetaNumber = (meta: Record<string, unknown>, key: string): numbe
     return typeof value === 'number' && Number.isFinite(value) ? value : 0;
 };
 
+const parseTrafficHistory = (value: unknown): TrafficHistoryItem[] => {
+    if (!Array.isArray(value)) {
+        return [];
+    }
+
+    const result: TrafficHistoryItem[] = [];
+    for (const item of value) {
+        const row = asRecord(item);
+        const year = readFiniteMetaNumber(row, 'year');
+        const month = readFiniteMetaNumber(row, 'month');
+        const refresh = readFiniteMetaNumber(row, 'refresh');
+        const online = readFiniteMetaNumber(row, 'online');
+        const date = typeof row.date === 'string' ? row.date : '';
+        if (year > 0 && month > 0 && date) {
+            result.push({ year, month, refresh, online, date });
+        }
+    }
+    return result;
+};
+
 const compareString = (left: string, right: string): number => {
     if (left === right) {
         return 0;
@@ -222,6 +250,95 @@ export const publicRouter = router({
     getNationList: procedure.query(async ({ ctx }) => {
         return loadCachedNationList(ctx);
     }),
+    getTraffic: procedure.query(async ({ ctx }) => {
+        const worldState = await ctx.db.worldState.findFirst();
+        if (!worldState) {
+            throw new TRPCError({
+                code: 'PRECONDITION_FAILED',
+                message: 'World state is not initialized.',
+            });
+        }
+
+        const meta = asRecord(worldState.meta);
+        const rawOnlineSince = meta.lastTurnTime ?? meta.turntime;
+        const parsedOnlineSince =
+            typeof rawOnlineSince === 'string' || rawOnlineSince instanceof Date
+                ? new Date(rawOnlineSince)
+                : null;
+        const onlineSince =
+            parsedOnlineSince && Number.isFinite(parsedOnlineSince.getTime())
+                ? parsedOnlineSince
+                : new Date(Date.now() - worldState.tickSeconds * 1_000);
+        const [accessTotal, currentOnline, topAccess] = await Promise.all([
+            ctx.db.generalAccessLog.aggregate({
+                _sum: {
+                    refresh: true,
+                    refreshScoreTotal: true,
+                },
+            }),
+            ctx.db.generalAccessLog.count({
+                where: {
+                    lastRefresh: {
+                        gte: onlineSince,
+                    },
+                },
+            }),
+            ctx.db.generalAccessLog.findMany({
+                orderBy: [{ refresh: 'desc' }, { generalId: 'asc' }],
+                take: 5,
+                select: {
+                    generalId: true,
+                    refresh: true,
+                    refreshScoreTotal: true,
+                },
+            }),
+        ]);
+
+        const generalIds = topAccess.map((entry) => entry.generalId);
+        const generalRows =
+            generalIds.length > 0
+                ? await ctx.db.general.findMany({
+                      where: { id: { in: generalIds } },
+                      select: { id: true, name: true },
+                  })
+                : [];
+        const generalName = new Map(generalRows.map((general) => [general.id, general.name]));
+        const totalRefresh = accessTotal._sum.refresh ?? 0;
+        const totalRefreshScore = accessTotal._sum.refreshScoreTotal ?? 0;
+        const currentRefresh = Math.max(readFiniteMetaNumber(meta, 'refresh'), totalRefresh);
+        const history = parseTrafficHistory(meta.recentTraffic);
+        history.push({
+            year: worldState.currentYear,
+            month: worldState.currentMonth,
+            refresh: currentRefresh,
+            online: currentOnline,
+            date: new Date().toISOString(),
+        });
+
+        return {
+            history,
+            maxRefresh: Math.max(
+                1,
+                readFiniteMetaNumber(meta, 'maxrefresh'),
+                ...history.map((entry) => entry.refresh)
+            ),
+            maxOnline: Math.max(1, readFiniteMetaNumber(meta, 'maxonline'), ...history.map((entry) => entry.online)),
+            suspects: [
+                {
+                    generalId: null,
+                    name: '접속자 총합',
+                    refresh: totalRefresh,
+                    refreshScoreTotal: totalRefreshScore,
+                },
+                ...topAccess.map((entry) => ({
+                    generalId: entry.generalId,
+                    name: generalName.get(entry.generalId) ?? `장수 ${entry.generalId}`,
+                    refresh: entry.refresh,
+                    refreshScoreTotal: entry.refreshScoreTotal,
+                })),
+            ],
+        };
+    }),
     getGeneralList: procedure.query(async ({ ctx }) => {
         const [generals, nations] = await Promise.all([
             ctx.db.general.findMany({

app/game-api/test/publicTraffic.test.ts

@@ -0,0 +1,115 @@
+import { describe, expect, it } from 'vitest';
+
+import type { RedisConnector } from '@sammo-ts/infra';
+
+import { RedisAccessTokenStore } from '../src/auth/accessTokenStore.js';
+import { InMemoryFlushStore } from '../src/auth/flushStore.js';
+import { InMemoryBattleSimTransport } from '../src/battleSim/inMemoryTransport.js';
+import type { DatabaseClient, GameApiContext, GameProfile } from '../src/context.js';
+import { InMemoryTurnDaemonTransport } from '../src/daemon/inMemoryTransport.js';
+import { appRouter } from '../src/router.js';
+
+const profile: GameProfile = {
+    id: 'che',
+    scenario: 'default',
+    name: 'che:default',
+};
+
+const buildContext = (): GameApiContext => {
+    const db = {
+        worldState: {
+            findFirst: async () => ({
+                id: 1,
+                currentYear: 185,
+                currentMonth: 3,
+                tickSeconds: 600,
+                config: {},
+                meta: {
+                    lastTurnTime: '2026-07-26T03:00:00.000Z',
+                    refresh: 12,
+                    maxrefresh: 30,
+                    maxonline: 5,
+                    recentTraffic: [
+                        {
+                            year: 185,
+                            month: 2,
+                            refresh: 30,
+                            online: 5,
+                            date: '2026-07-26 02:50:00',
+                        },
+                    ],
+                },
+            }),
+        },
+        generalAccessLog: {
+            aggregate: async () => ({
+                _sum: {
+                    refresh: 12,
+                    refreshScoreTotal: 21,
+                },
+            }),
+            count: async (args: { where: { lastRefresh: { gte: Date } } }) => {
+                expect(args.where.lastRefresh.gte).toEqual(new Date('2026-07-26T03:00:00.000Z'));
+                return 2;
+            },
+            findMany: async () => [
+                { generalId: 7, refresh: 9, refreshScoreTotal: 15 },
+                { generalId: 8, refresh: 3, refreshScoreTotal: 6 },
+            ],
+        },
+        general: {
+            findMany: async () => [
+                { id: 7, name: '갑' },
+                { id: 8, name: '을' },
+            ],
+        },
+    };
+    const redis = {
+        get: async () => null,
+        set: async () => null,
+    } as unknown as RedisConnector['client'];
+
+    return {
+        db: db as unknown as DatabaseClient,
+        turnDaemon: new InMemoryTurnDaemonTransport(),
+        battleSim: new InMemoryBattleSimTransport(),
+        profile,
+        auth: null,
+        uploadDir: 'uploads',
+        uploadPath: '/uploads',
+        uploadPublicUrl: null,
+        redis,
+        accessTokenStore: new RedisAccessTokenStore(redis, profile.name),
+        flushStore: new InMemoryFlushStore(),
+        gameTokenSecret: 'test-secret',
+    };
+};
+
+describe('public.getTraffic', () => {
+    it('is public and returns only aggregate traffic plus allowlisted general names', async () => {
+        const result = await appRouter.createCaller(buildContext()).public.getTraffic();
+
+        expect(result.history).toHaveLength(2);
+        expect(result.history[0]).toEqual({
+            year: 185,
+            month: 2,
+            refresh: 30,
+            online: 5,
+            date: '2026-07-26 02:50:00',
+        });
+        expect(result.history[1]).toMatchObject({
+            year: 185,
+            month: 3,
+            refresh: 12,
+            online: 2,
+        });
+        expect(result.maxRefresh).toBe(30);
+        expect(result.maxOnline).toBe(5);
+        expect(result.suspects).toEqual([
+            { generalId: null, name: '접속자 총합', refresh: 12, refreshScoreTotal: 21 },
+            { generalId: 7, name: '갑', refresh: 9, refreshScoreTotal: 15 },
+            { generalId: 8, name: '을', refresh: 3, refreshScoreTotal: 6 },
+        ]);
+        expect(JSON.stringify(result)).not.toContain('userId');
+    });
+});