redis include + client with bis logic

backend/src/infrastructure/external/redis_client.py

@@ -0,0 +1,76 @@
+import json
+from typing import Optional, Any
+import redis.asyncio as aioredis
+from src.shared.config import settings
+
+
+class RedisClient:
+    def __init__(self, host: str, port: int):
+        self.host = host or settings.REDIS_HOST
+        self.port = port or settings.REDIS_PORT
+        self._client: Optional[aioredis.Redis] = None
+
+    async def connect(self):
+        if self._client is None:
+            self._client = await aioredis.from_url(
+                f"redis://{self.host}:{self.port}",
+                encoding="utf-8",
+                decode_responses=True
+            )
+
+    async def disconnect(self):
+        if self._client:
+            await self._client.aclose()
+            self._client = None
+
+    async def get(self, key: str) -> Optional[str]:
+        if self._client is None:
+            await self.connect()
+        return await self._client.get(key)
+
+    async def set(self, key: str, value: str, ttl: Optional[int] = None):
+        if self._client is None:
+            await self.connect()
+        if ttl:
+            await self._client.setex(key, ttl, value)
+        else:
+            await self._client.set(key, value)
+
+    async def get_json(self, key: str) -> Optional[dict[str, Any]]:
+        value = await self.get(key)
+        if value is None:
+            return None
+        try:
+            return json.loads(value)
+        except json.JSONDecodeError:
+            return None
+
+    async def set_json(self, key: str, value: dict[str, Any], ttl: Optional[int] = None):
+        json_str = json.dumps(value)
+        await self.set(key, json_str, ttl)
+
+    async def delete(self, key: str):
+        if self._client is None:
+            await self.connect()
+        await self._client.delete(key)
+
+    async def exists(self, key: str) -> bool:
+        if self._client is None:
+            await self.connect()
+        return bool(await self._client.exists(key))
+
+    async def incr(self, key: str) -> int:
+        if self._client is None:
+            await self.connect()
+        return await self._client.incr(key)
+
+    async def expire(self, key: str, seconds: int):
+        if self._client is None:
+            await self.connect()
+        await self._client.expire(key, seconds)
+
+    async def keys(self, pattern: str) -> list[str]:
+        if self._client is None:
+            await self.connect()
+        return await self._client.keys(pattern)
+