refactoring for new arch, added Redis, fixed filename, added video exists check

src/core/redis_client.py

@@ -0,0 +1,55 @@
+import json
+
+import redis.asyncio as redis
+
+
+class RedisClient:
+    SET_NAME = "queue"
+    TASKS_NAME = "tasks_working"
+    TASKS_DONE_NAME = "tasks_done"
+
+    def __init__(self):
+        self.connection = redis.Redis(host="localhost", port=6379, db=0)
+
+    async def _set_task(self, task: dict) -> int:
+        async with self.connection as connection:
+            res = await connection.set(f'{self.TASKS_NAME}:{task["link"]}', json.dumps(task, indent=4).encode('utf-8'))
+        return res
+
+    async def _set_task_done(self, task: dict) -> int:
+        async with self.connection as connection:
+            res = await connection.set(
+                f'{self.TASKS_DONE_NAME}:1:{task["link"]}',
+                json.dumps(task, indent=4).encode('utf-8')
+                                       )
+        return res
+
+    async def _del_task(self, task: dict) -> int:
+        async with self.connection as connection:
+            res = await connection.delete(f'{self.TASKS_NAME}:{task["link"]}')
+        return res
+
+    async def set_task_to_queue(self, task: dict) -> int:
+        async with self.connection as connection:
+            res = await connection.sadd(self.SET_NAME, json.dumps(task, indent=4).encode('utf-8'))
+        return res
+
+    async def get_queue(self) -> set:
+        async with self.connection as connection:
+            res = await connection.smembers(self.SET_NAME)
+        return res
+
+    async def del_task_from_queue(self, task: dict) -> int:
+        async with self.connection as connection:
+            res = await connection.srem(self.SET_NAME, json.dumps(task, indent=4).encode('utf-8'))
+        return res
+
+    async def del_task_from_queue_and_add_to_tasks(self, task: dict) -> int:
+
+        await self.del_task_from_queue(task)
+        return await self._set_task(task)
+
+    async def del_task_from_tasks_and_add_to_task_done(self, task: dict) -> int:
+        await self._del_task(task)
+        return await self._set_task_done(task)
+