JobSpy/src/model/job_repository.py

93 lines
3.2 KiB
Python

from typing import Optional
from dotenv import load_dotenv
from pymongo import UpdateOne
from scrapers import create_logger
from jobs import JobPost
from .monogo_db import mongo_client
load_dotenv()
class JobRepository:
def __init__(self):
self._logger = create_logger("JobRepository")
self._collection = mongo_client.get_collection('jobs')
def find_by_id(self, job_id: str) -> Optional[JobPost]:
"""
Finds a job document in the collection by its ID.
Args:
job_id: The ID of the job to find.
Returns:
The job document if found, otherwise None.
"""
result = self._collection.find_one({"id": job_id})
return JobPost(**result)
def update(self, job: JobPost) -> bool:
"""
Updates a JobPost in the database.
Args:
job: A dictionary representing the JobPost data.
Returns:
True if the update was successful, False otherwise.
"""
result = self._collection.update_one({"id": job.id}, {"$set": job.model_dump(exclude={"date_posted"})})
return result.modified_count > 0
def insert_job(self, job: JobPost):
"""
Inserts a new job posting into the database collection.
Args:
job (JobPost): The JobPost object to be inserted.
Raises:
Exception: If an error occurs during insertion.
"""
job_dict = job.model_dump(exclude={"date_posted"})
self._collection.insert_one(job_dict)
self._logger.info(f"Inserted new job with title {job.title}.")
def insert_many_if_not_found(self, jobs: list[JobPost]) -> tuple[list[JobPost], list[JobPost]]:
"""
Perform bulk upserts for a list of JobPost objects into a MongoDB collection.
Only insert new jobs and return the list of newly inserted jobs.
"""
operations = []
new_jobs = [] # List to store the new jobs inserted into MongoDB
old_jobs = [] # List to store the new jobs inserted into MongoDB
for job in jobs:
job_dict = job.model_dump(exclude={"date_posted"})
operations.append(
UpdateOne(
{"id": job.id}, # Match by `id`
# Only set fields if the job is being inserted (not updated)
{"$setOnInsert": job_dict},
upsert=True # Insert if not found, but do not update if already exists
)
)
if operations:
# Execute all operations in bulk
result = self._collection.bulk_write(operations)
self._logger.info(f"Matched: {result.matched_count}, Upserts: {
result.upserted_count}, Modified: {result.modified_count}")
# Get the newly inserted jobs (those that were upserted)
# The `upserted_count` corresponds to how many new documents were inserted
for i, job in enumerate(jobs):
if result.upserted_count > 0 and i < result.upserted_count:
new_jobs.append(job)
else:
old_jobs.append(job)
return old_jobs, new_jobs
job_repository = JobRepository()