优化

backend/api/core/Redis.py

@@ -1,18 +1,50 @@
 import inspect
 import json
+import logging
+
 from api.core.Gzip import gzip_zip, gzip_unzip
 from config.main import config
 
+logger = logging.getLogger('dcalc.redis_cache')
 
-async def get_redis_info_async(redis, key, fun, expire = 0, without_gzip=False):
+
+def _read_cached(redis, key, without_gzip):
+    content = redis.get(key)
+    if content is None:
+        return None
+    return json.loads(content if without_gzip else gzip_unzip(content))
+
+
+def _write_cached(redis, key, info, expire, without_gzip):
+    content = json.dumps(info) if without_gzip else gzip_zip(json.dumps(info))
+    if expire > 0:
+        redis.set(key, content, ex=expire)
+    else:
+        redis.set(key, content)
+
+
+async def _read_cached_async(redis, key, without_gzip):
+    content = await redis.get(key)
+    if content is None:
+        return None
+    return json.loads(content if without_gzip else gzip_unzip(content))
+
+
+async def _write_cached_async(redis, key, info, expire, without_gzip):
+    content = json.dumps(info) if without_gzip else gzip_zip(json.dumps(info))
+    if expire > 0:
+        await redis.set(key, content, ex=expire)
+    else:
+        await redis.set(key, content)
+
+
+async def get_redis_info_async(redis, key, fun, expire=0, without_gzip=False):
     info = None
     if not config.DEBUG_MODE and redis:
         try:
-            if without_gzip:
+            info = await _read_cached_async(redis, key, without_gzip)
-                info = json.loads(redis.get(key))
-            else:
-                info = json.loads(gzip_unzip(redis.get(key)))
         except Exception:
+            logger.warning('read Redis cache failed key=%s', key, exc_info=True)
             info = None
     if info is None:
         if inspect.iscoroutinefunction(fun):
@@ -20,31 +52,26 @@ async def get_redis_info_async(redis, key, fun, expire = 0, without_gzip=False):
         else:
             info = fun()
         if not config.DEBUG_MODE and redis and info is not None:
-            if without_gzip:
+            try:
-                redis.set(key, json.dumps(info))
+                await _write_cached_async(redis, key, info, expire, without_gzip)
-            else:
+            except Exception:
-                redis.set(key, gzip_zip(json.dumps(info)))
+                logger.warning('write Redis cache failed key=%s', key, exc_info=True)
-            if expire > 0:
-                redis.expire(key, expire)
     return info
 
-def get_redis_info(redis, key, fun, expire = 0, without_gzip=False):
+
+def get_redis_info(redis, key, fun, expire=0, without_gzip=False):
     info = None
     if not config.DEBUG_MODE and redis:
         try:
-            if without_gzip:
+            info = _read_cached(redis, key, without_gzip)
-                info = json.loads(redis.get(key))
-            else:
-                info = json.loads(gzip_unzip(redis.get(key)))
         except Exception:
+            logger.warning('read Redis cache failed key=%s', key, exc_info=True)
             info = None
     if info is None:
         info = fun()
         if not config.DEBUG_MODE and redis and info is not None:
-            if without_gzip:
+            try:
-                redis.set(key, json.dumps(info))
+                _write_cached(redis, key, info, expire, without_gzip)
-            else:
+            except Exception:
-                redis.set(key, gzip_zip(json.dumps(info)))
+                logger.warning('write Redis cache failed key=%s', key, exc_info=True)
-            if expire > 0:
-                redis.expire(key, expire)
     return info

backend/api/dp.py

@@ -1,19 +1,20 @@
 import time
 from typing import Annotated
+
 from redis import Redis
-from sqlalchemy.orm import Session
+from redis.asyncio import Redis as AsyncRedis
 from fastapi import Depends, Header
 
 from api.core.exception import ResponseException
 from core.character.adventure import get_adv_info
-from database.connect import get_db, get_redis
+from database.connect import get_async_redis, get_redis
 from api.core.Auth import AlterState
 import base64
 import json
 from api.core.Redis import get_redis_info
 
-SessionDep = Annotated[Session, Depends(get_db)]
 RedisDep = Annotated[Redis, Depends(get_redis)]
+AsyncRedisDep = Annotated[AsyncRedis, Depends(get_async_redis)]
 
 
 def alterToken(redis: RedisDep, alter_token: str | None = Header(None)):

backend/api/routes/colg.py

@@ -1,4 +1,5 @@
 import asyncio
+import logging
 
 from api.types.colg import HistoryGold, OfficialGold, RealTimeGold
 from api.core.Gzip import register_gzip_request
@@ -6,7 +7,7 @@ import json
 from fastapi import APIRouter, Query
 from api.core.Response import response
 from api.core.Redis import get_redis_info, get_redis_info_async
-from api.dp import RedisDep
+from api.dp import AsyncRedisDep, RedisDep
 from typing import Annotated
 import requests
 from config.main import config
@@ -15,6 +16,7 @@ from api.core.Response import Return as Response
 import aiohttp
 
 router = APIRouter()
+logger = logging.getLogger('dcalc.colg')
 
 register_gzip_request(router)
 
@@ -39,6 +41,29 @@ payload_helper = {
     'token': config.HELPER_TOKEN,
 }
 
+OFFICIAL_GOLD_URL = 'https://dzhu.qq.com/zangyi/activity/app'
+OFFICIAL_GOLD_REGIONS = ('1', '2', '3A', '3B', '4', '5', '6', '7')
+
+
+async def _fetch_official_gold() -> list[dict]:
+    timeout = aiohttp.ClientTimeout(total=10)
+    async with aiohttp.ClientSession(timeout=timeout) as session:
+
+        async def fetch_region(region: str) -> dict:
+            form = {**payload_helper, 'serverNo': region}
+            async with session.post(OFFICIAL_GOLD_URL, data=form) as resp:
+                resp.raise_for_status()
+                payload = await resp.json(content_type=None)
+            data = payload['data']
+            return {
+                'updataTime': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+                'region': f'跨{region}',
+                'goldDealRank': [int(item['price']) for item in data['godDealRank']],
+                'goldTopDealRank': [int(item['price']) for item in data['godTopDealRank']],
+            }
+
+        return await asyncio.gather(*(fetch_region(region) for region in OFFICIAL_GOLD_REGIONS))
+
 
 def get_date_str(timestamp: int) -> str:
     utc_time = datetime.fromtimestamp(timestamp, tz=timezone.utc)
@@ -47,7 +72,7 @@ def get_date_str(timestamp: int) -> str:
 
 
 @router.get('/gold/realtime/', operation_id='realtimeGold', response_model=Response[list[RealTimeGold]])
-async def get_real_time_gold(redis: RedisDep) -> Response[list[RealTimeGold]]:
+def get_real_time_gold(redis: RedisDep) -> Response[list[RealTimeGold]]:
     """
     返回所有跨区的实时金价信息
     """
@@ -74,7 +99,7 @@ async def get_real_time_gold(redis: RedisDep) -> Response[list[RealTimeGold]]:
 
 
 @router.get('/gold/history/', operation_id='historyGold', response_model=Response[HistoryGold] | Response[None])
-async def get_history_gold(region: Annotated[int, Query(..., description='跨区id')], timeRange: Annotated[int, Query(..., description='时间跨度天数')] = 7) -> Response[HistoryGold] | Response[None]:
+def get_history_gold(region: Annotated[int, Query(..., description='跨区id')], timeRange: Annotated[int, Query(..., description='时间跨度天数')] = 7) -> Response[HistoryGold] | Response[None]:
     """
     获取历史金价数据
 
@@ -146,7 +171,7 @@ async def get_history_gold(region: Annotated[int, Query(..., description='跨区
 
 
 @router.get('/gold/official/', operation_id='officialGold', response_model=Response[list[OfficialGold]])
-async def get_official_gold(redis: RedisDep) -> Response[list[OfficialGold]]:
+async def get_official_gold(redis: AsyncRedisDep) -> Response[list[OfficialGold]]:
     """
     获取DNF官方金币寄售实时数据
 
@@ -156,36 +181,10 @@ async def get_official_gold(redis: RedisDep) -> Response[list[OfficialGold]]:
         - 该接口会返回所有跨区的官方金币寄售数据，包括最低成交价排名前5的价格和最高成交价排名前5的价格
         - 数据来源于DNF官方提供的接口，可能会有一定的延迟和不稳定性
     """
-    official_url = 'https://dzhu.qq.com/zangyi/activity/app'
-    headers = {'Content-Type': 'application/x-www-form-urlencoded'}
     key = 'openapi:colg:real_time_gold_officical'
-    list = ['1', '2', '3A', '3B', '4', '5', '6', '7']
     try:
-
+        data = await get_redis_info_async(redis, key, _fetch_official_gold, 30 * 60)
-        async def get_data():
+    except Exception:
-            datas = []
+        logger.exception('fetch official gold failed')
-            async with aiohttp.ClientSession() as session:
-                tasks = []
-                for i in list:
-                    payload_helper['serverNo'] = i
-                    query = '&'.join(f'{k}={v}' for k, v in payload_helper.items())
-                    tasks.append(session.post(official_url, data=query, headers=headers, timeout=10))
-                responses = await asyncio.gather(*tasks)
-                for index, resp in enumerate(responses):
-                    res = json.loads(await resp.read())
-                    datas.append(
-                        {
-                            'updataTime': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
-                            'region': f'跨{list[index]}',
-                            'goldDealRank': [int(i.get('price')) for i in res['data']['godDealRank']],
-                            'goldTopDealRank': [int(i.get('price')) for i in res['data']['godTopDealRank']],
-                        }
-                    )
-            return datas
-
-    except Exception as e:
-        print(e)
         return response(data=[])
-    # 设置半小时过期一次
-    data = await get_redis_info_async(redis, key, get_data, 30 * 60)
     return response(data=data)

backend/api/routes/info.py

@@ -4,7 +4,7 @@ from fastapi import APIRouter, Body, Request, Response
 from api.core.Auth import createToken
 from api.core.Response import response
 from api.core.Redis import get_redis_info, get_redis_info_async
-from api.dp import RedisDep, AltersDep
+from api.dp import AsyncRedisDep, RedisDep, AltersDep
 from core.basic.equipment import get_equipment
 from core.character.adventure import get_adv_info, get_adv_list
 from core.basic.character import createCharacter
@@ -21,7 +21,7 @@ register_gzip_request(router)
 
 
 @router.get('/adventure')
-async def get_adventure_info(request: Request, redis: RedisDep, name: str = None):
+def get_adventure_info(request: Request, redis: RedisDep, name: str = None):
     adventure_info = get_redis_info(redis, 'dcalc:adventure', get_adv_list)
     if name:
         total = [item for job in adventure_info for item in job.get('children', [])]
@@ -31,7 +31,7 @@ async def get_adventure_info(request: Request, redis: RedisDep, name: str = None
 
 
 @router.get('/token/get/{alter}')
-async def getToken(redis: RedisDep, alter: str, request: Request, version: str = None, equVersion: str = '0'):
+def getToken(redis: RedisDep, alter: str, request: Request, version: str = None, equVersion: str = '0'):
     if get_adv_info(alter) is None:
         raise ResponseException('无效的职业')
     token = createToken(alter, equVersion, redis)
@@ -39,7 +39,7 @@ async def getToken(redis: RedisDep, alter: str, request: Request, version: str =
 
 
 @router.get('/character')
-async def get_character_info(request: Request, state: AltersDep, redis: RedisDep):
+def get_character_info(request: Request, state: AltersDep, redis: RedisDep):
     def get_character():
         return createCharacter(state.alter, state.equVersion).getInfo()
 
@@ -56,7 +56,7 @@ async def get_character_info(request: Request, state: AltersDep, redis: RedisDep
 
 
 @router.get('/info/oath/{suitId}/{skillId}')
-async def get_oath_info(state: AltersDep, suitId: str, skillId: str, rarity: str, lv: int, redis: RedisDep):
+def get_oath_info(state: AltersDep, suitId: str, skillId: str, rarity: str, lv: int, redis: RedisDep):
     def get_info():
         skill = None
         version = state.equVersion
@@ -73,7 +73,7 @@ async def get_oath_info(state: AltersDep, suitId: str, skillId: str, rarity: str
 
 
 @router.get('/skill/{skillId}/{level}')
-async def get_skill_info(state: AltersDep, skillId: str, level: int, redis: RedisDep):
+def get_skill_info(state: AltersDep, skillId: str, level: int, redis: RedisDep):
     """
     获取技能信息
     """
@@ -99,7 +99,7 @@ async def get_skill_info(state: AltersDep, skillId: str, level: int, redis: Redi
 
 
 @router.get('/dnfhelper/{uid}/list')
-async def get_dnfhelper_list(uid: str, redis: RedisDep):
+async def get_dnfhelper_list(uid: str, redis: AsyncRedisDep):
     cache_key = f'dnfhelper:{uid}'
 
     async def get_list():
@@ -111,7 +111,7 @@ async def get_dnfhelper_list(uid: str, redis: RedisDep):
 
 
 @router.get('/dnfhelper/{uid}/{id}/')
-async def get_dnfhelper_detail(uid: str, id: str, state: AltersDep, redis: RedisDep):
+async def get_dnfhelper_detail(uid: str, id: str, state: AltersDep, redis: AsyncRedisDep):
     cache_key = f'dnfhelper:{uid}:{id}'
 
     async def get_detail():
@@ -123,7 +123,7 @@ async def get_dnfhelper_detail(uid: str, id: str, state: AltersDep, redis: Redis
 
 
 @router.get('/dnfhelper/{uid}/')
-async def get_info_by_dnfhelper(uid: str, state: AltersDep, redis: RedisDep):
+async def get_info_by_dnfhelper(uid: str, state: AltersDep):
     try:
         result = await get_user_info_by_id(uid, state)
         return response(data=result)
@@ -134,7 +134,7 @@ async def get_info_by_dnfhelper(uid: str, state: AltersDep, redis: RedisDep):
 
 
 @router.post('/skillTree/')
-async def get_skill_by_code(state: AltersDep, code=Body(None)):
+def get_skill_by_code(state: AltersDep, code=Body(None)):
     try:
         skills = get_skill_tree_info(code.get('code', ''))
         if skills.get('job', {}).get('class', '') != state.alter.replace('_carry', ''):

backend/api/routes/openapi.py

@@ -31,7 +31,7 @@ register_gzip_request(router)
 
 
 @router.get('/skills/', operation_id='skillsList', response_model=SearchSkillResponse)
-async def get_skills_list(
+def get_skills_list(
     redis: RedisDep,
     skillName: Annotated[str | None, Query(description='技能名称，支持模糊查询')] = None,
 ) -> SearchSkillResponse:
@@ -62,7 +62,7 @@ async def get_skills_list(
 
 
 @router.get('/jobInfo/', operation_id='jobsInfo', response_model=JobInfoResponse)
-async def get_jobs_info(
+def get_jobs_info(
     redis: RedisDep,
     jobName: Annotated[str, Query(..., description='职业名称，支持模糊查询')] = None,
 ) -> JobInfoResponse:
@@ -98,7 +98,7 @@ async def get_jobs_info(
 
 
 @router.get('/{jobId}/{jobGrowId}/skills/', operation_id='skillsByJob', response_model=SkillsListResponse)
-async def get_cn_skills_by_job(
+def get_cn_skills_by_job(
     redis: RedisDep,
     jobId: Annotated[str, Path(..., description='职业')],
     jobGrowId: Annotated[str, Path(..., description='转职')],
@@ -122,7 +122,7 @@ async def get_cn_skills_by_job(
 
 
 @router.get('/{jobId}/{jobGrowId}/{skillId}/', operation_id='skillDetail', response_model=SkillDetailResponse)
-async def get_cn_skill_info(
+def get_cn_skill_info(
     redis: RedisDep,
     jobId: Annotated[str, Path(..., description='职业')],
     jobGrowId: Annotated[str, Path(..., description='转职')],
@@ -164,7 +164,7 @@ async def get_cn_skill_info(
 
 
 @router.get('/skillData/summary/', operation_id='skillDataSummary', response_model=SkillDataSummaryResponse)
-async def get_skill_data_summary(
+def get_skill_data_summary(
     redis: RedisDep,
     job: Annotated[str, Query(description='职业')],
     skills: Annotated[

backend/database/__init__.py

@@ -1,3 +1 @@
-import redis
+"""Database connection helpers live in :mod:`database.connect`."""
-
-pool = redis.ConnectionPool(host='localhost', port=6379, decode_responses=True)

backend/database/connect.py

@@ -1,11 +1,17 @@
 from functools import cache
+
 import redis
+import redis.asyncio as async_redis
 from sqlalchemy import create_engine
-from sqlalchemy.orm import Session
+from sqlalchemy.engine import Engine
-from sqlalchemy.pool import NullPool
+
 from config.main import BACKEND_DIR, config
 
-RedisPool = redis.ConnectionPool.from_url(config.REDIS_URL)
+# redis-py 8 defaults to RESP3. Keep the existing RESP2 wire contract so the
+# client remains compatible with older Redis servers and proxies.
+RedisPool = redis.ConnectionPool.from_url(config.REDIS_URL, protocol=2)
+AsyncRedisPool = async_redis.ConnectionPool.from_url(config.REDIS_URL, protocol=2)
+_db_engines: set[Engine] = set()
 
 
 def get_redis_client():
@@ -17,16 +23,26 @@ def get_redis():
         yield redis_conn
 
 
+async def get_async_redis():
+    redis_conn = async_redis.Redis(connection_pool=AsyncRedisPool)
+    try:
+        yield redis_conn
+    finally:
+        await redis_conn.aclose()
+
+
 @cache
 def get_db_engine(version='0'):
     db_path = BACKEND_DIR / 'dataFiles' / f'dcalc_{version}.db'
-    return create_engine(
+    engine = create_engine(f'sqlite:///{db_path}')
-        f'sqlite:///{db_path}',
+    _db_engines.add(engine)
-        connect_args={'check_same_thread': False},
+    return engine
-        poolclass=NullPool,
-    )
 
 
-def get_db():
+async def close_connection_pools() -> None:
-    with Session(get_db_engine()) as session:
+    RedisPool.close()
-        yield session
+    await AsyncRedisPool.aclose()
+    for engine in _db_engines:
+        engine.dispose()
+    _db_engines.clear()
+    get_db_engine.cache_clear()

backend/main.py

@@ -10,6 +10,7 @@ from api.core import Exceptions, Gzip, Middleware
 from api.core.Logging import configure_logging
 from api.main import api_router
 from config.main import config
+from database.connect import close_connection_pools
 
 configure_logging()
 
@@ -19,7 +20,10 @@ async def lifespan(_: FastAPI):
     print('dcalc is starting...')
     print('Application starting...')
     print('Application startup complete.')
-    yield
+    try:
+        yield
+    finally:
+        await close_connection_pools()
 
 
 application = FastAPI(docs_url='/doc', redoc_url=None, lifespan=lifespan)

backend/pyproject.toml

@@ -5,16 +5,20 @@ description = "A backend project for dcalc, a calculator application."
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
-    "aiohttp>=3.13.3",
+    "aiohttp>=3.14.3",
-    "fastapi[all]>=0.136.3",
+    "fastapi[all]>=0.141.1",
     "fastmcp>=3.3.1",
-    "redis>=5.2.1",
+    "pydantic>=2.13.4",
-    "requests>=2.32.3",
+    "pydantic-settings>=2.15.0",
-    "sqlalchemy>=2.0.38",
+    "redis>=8.1.0",
+    "requests>=2.34.2",
+    "sqlalchemy>=2.0.52",
+    "uvicorn[standard]>=0.52.3",
 ]
 
 [dependency-groups]
 dev = [
+    "httpx2>=2.10.0",
     "pytest>=8.4.0",
     "ruff>=0.15.15",
 ]

backend/tests/unit/test_colg_official.py

@@ -0,0 +1,65 @@
+import asyncio
+
+from api.routes import colg
+
+
+class FakeResponse:
+    def __init__(self, region):
+        self.region = region
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc, traceback):
+        return False
+
+    def raise_for_status(self):
+        return None
+
+    async def json(self, content_type=None):
+        await asyncio.sleep(0)
+        return {
+            'data': {
+                'godDealRank': [{'price': '100'}, {'price': '101'}],
+                'godTopDealRank': [{'price': '200'}, {'price': '201'}],
+            }
+        }
+
+
+class FakeSession:
+    def __init__(self, calls, **kwargs):
+        self.calls = calls
+        self.kwargs = kwargs
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc, traceback):
+        return False
+
+    def post(self, url, data):
+        self.calls.append((url, data))
+        return FakeResponse(data['serverNo'])
+
+
+def test_fetch_official_gold_uses_async_http_with_isolated_forms(monkeypatch):
+    calls = []
+    sessions = []
+
+    def create_session(**kwargs):
+        session = FakeSession(calls, **kwargs)
+        sessions.append(session)
+        return session
+
+    monkeypatch.setattr(colg.aiohttp, 'ClientSession', create_session)
+
+    result = asyncio.run(colg._fetch_official_gold())
+
+    assert [data['serverNo'] for _, data in calls] == list(colg.OFFICIAL_GOLD_REGIONS)
+    assert all(url == colg.OFFICIAL_GOLD_URL for url, _ in calls)
+    assert len({id(data) for _, data in calls}) == len(colg.OFFICIAL_GOLD_REGIONS)
+    assert [item['region'] for item in result] == [f'跨{region}' for region in colg.OFFICIAL_GOLD_REGIONS]
+    assert result[0]['goldDealRank'] == [100, 101]
+    assert result[0]['goldTopDealRank'] == [200, 201]
+    assert sessions[0].kwargs['timeout'].total == 10
+    assert 'serverNo' not in colg.payload_helper

backend/tests/unit/test_redis_cache.py

@@ -0,0 +1,64 @@
+import asyncio
+import json
+
+from api.core.Redis import get_redis_info, get_redis_info_async
+from config.main import config
+from database.connect import AsyncRedisPool, RedisPool
+
+
+class FakeRedis:
+    def __init__(self, value=None, fail_write=False):
+        self.value = value
+        self.fail_write = fail_write
+        self.set_calls = []
+
+    def get(self, key):
+        return self.value
+
+    def set(self, key, value, **kwargs):
+        if self.fail_write:
+            raise RuntimeError('Redis unavailable')
+        self.set_calls.append((key, value, kwargs))
+
+
+class FakeAsyncRedis(FakeRedis):
+    async def get(self, key):
+        return self.value
+
+    async def set(self, key, value, **kwargs):
+        super().set(key, value, **kwargs)
+
+
+def test_shared_pool_keeps_resp2_compatibility():
+    assert RedisPool.connection_kwargs['protocol'] == 2
+    assert AsyncRedisPool.connection_kwargs['protocol'] == 2
+
+
+def test_sync_cache_sets_value_and_ttl_in_one_command(monkeypatch):
+    monkeypatch.setattr(config, 'DEBUG_MODE', False)
+    redis = FakeRedis()
+
+    result = get_redis_info(redis, 'key', lambda: {'value': 1}, expire=60, without_gzip=True)
+
+    assert result == {'value': 1}
+    assert redis.set_calls == [('key', json.dumps(result), {'ex': 60})]
+
+
+def test_sync_cache_write_failure_does_not_fail_request(monkeypatch):
+    monkeypatch.setattr(config, 'DEBUG_MODE', False)
+    redis = FakeRedis(fail_write=True)
+
+    assert get_redis_info(redis, 'key', lambda: {'value': 1}, without_gzip=True) == {'value': 1}
+
+
+def test_async_cache_awaits_async_redis_io(monkeypatch):
+    monkeypatch.setattr(config, 'DEBUG_MODE', False)
+    redis = FakeAsyncRedis()
+
+    async def load():
+        return {'value': 1}
+
+    result = asyncio.run(get_redis_info_async(redis, 'key', load, expire=60, without_gzip=True))
+
+    assert result == {'value': 1}
+    assert redis.set_calls == [('key', json.dumps(result), {'ex': 60})]