extracted mongo db connections

src/jobspy/db/job_repository.py

@@ -1,9 +1,9 @@
-import os
 from typing import List
-from dotenv import load_dotenv
-from pymongo import MongoClient, UpdateOne
-import pymongo
 
+from dotenv import load_dotenv
+from pymongo import UpdateOne
+
+from .monogo_db import MongoDB
 from .. import create_logger
 from ..jobs import JobPost
 
@@ -11,27 +11,20 @@ load_dotenv()
 
 
 class JobRepository:
-    def __new__(cls):
+    _instance = None
-        if not hasattr(cls, 'instance'):
-            cls.instance = super(JobRepository, cls).__new__(cls)
-        return cls.instance
 
-    def __init__(self, database_name: str = None):
+    def __new__(cls):
+
+        if cls._instance is not None:
+            return cls._instance
+
+        self = super().__new__(cls)
+        cls._instance = self
         self.logger = create_logger("JobRepository")
-        self.mongoUri = os.getenv("MONGO_URI")
+        mongo_client = MongoDB()
-        if not self.mongoUri:
+        self.collection = mongo_client.db["jobs"]
-            self.logger.error("MONGO_URI environment variable is not set")
-            raise ValueError("MONGO_URI environment variable is not set")
-        self.client = MongoClient(self.mongoUri)
-        if database_name is None:
-            database_name = os.getenv("MONGO_DB_NAME")
-            if not database_name:
-                self.logger.error("MONGO_DB_NAME environment variable is not set")
-                raise ValueError(
-                    "MONGO_DB_NAME environment variable is not set")
-        self.db = self.client[database_name]
-        self.collection = self.db["jobs"]
         self.logger.info("Succeed connect to MongoDB")
+        return cls._instance
 
     def insert_job(self, job: JobPost):
         job_dict = job.model_dump(exclude={"date_posted"})

src/jobspy/db/monogo_db.py

@@ -0,0 +1,32 @@
+import os
+
+from pymongo import MongoClient
+from pymongo.synchronous.database import Database
+
+from jobspy import create_logger
+
+
+class MongoDB:
+    _instance = None
+    db:Database = None
+    def __new__(cls):
+
+        if cls._instance is not None:
+            return cls._instance
+
+        self = super().__new__(cls)
+        cls._instance = self
+        logger = create_logger("Mongo Client")
+        mongoUri = os.getenv("MONGO_URI")
+        if not mongoUri:
+            logger.error("MONGO_URI environment variable is not set")
+            raise ValueError("MONGO_URI environment variable is not set")
+        client = MongoClient(mongoUri)
+        database_name = os.getenv("MONGO_DB_NAME")
+        if not database_name:
+            logger.error("MONGO_DB_NAME environment variable is not set")
+            raise ValueError(
+                "MONGO_DB_NAME environment variable is not set")
+
+        self.db = client[database_name]
+        return cls._instance

src/main.py

@@ -1,5 +1,6 @@
 import os
 
+from pymongo import MongoClient
 from telegram import Update
 from telegram.ext import Application, CommandHandler, CallbackQueryHandler
 
@@ -14,12 +15,28 @@ title_filters: list[str] = ["test", "qa", "Lead", "Full-Stack", "Full Stack", "F
                             "automation", "BI ", "Principal", "Architect", "Android", "Machine Learning", "Student",
                             "Data Engineer", "DevSecOps"]
 
+def connect_db():
+    logger = create_logger("Mongo Client")
+    mongoUri = os.getenv("MONGO_URI")
+    if not mongoUri:
+        logger.error("MONGO_URI environment variable is not set")
+        raise ValueError("MONGO_URI environment variable is not set")
+    client = MongoClient(mongoUri)
+    database_name = os.getenv("MONGO_DB_NAME")
+    if not database_name:
+        logger.error("MONGO_DB_NAME environment variable is not set")
+        raise ValueError(
+            "MONGO_DB_NAME environment variable is not set")
+
+    return client[database_name]
+
 if __name__ == "__main__":
     logger.info("Starting initialize ")
     _api_token = os.getenv("TELEGRAM_API_TOKEN")
     search_term = "software engineer"
     locations = ["Tel Aviv, Israel", "Ramat Gan, Israel",
                  "Central, Israel", "Rehovot ,Israel"]
+    db = connect_db()
     application = Application.builder().token(_api_token).build()
     tg_callback_handler = TelegramCallHandler()
     tg_handler_all = TelegramDefaultHandler(sites=[Site.LINKEDIN, Site.GLASSDOOR, Site.INDEED, Site.GOOZALI],