Files
SemesterapparatsManager/src/logic/thread_bookgrabber.py
2024-05-17 08:35:37 +02:00

99 lines
3.4 KiB
Python

import sqlite3
import time
from PyQt6.QtCore import QThread
from PyQt6.QtCore import pyqtSignal as Signal
from src.backend.database import Database
from src.logic.log import MyLogger
from src.logic.webrequest import BibTextTransformer, WebRequest
# from src.transformers import RDS_AVAIL_DATA
class BookGrabber(QThread):
updateSignal = Signal(int, int)
done = Signal()
def __init__(self, app_id, prof_id, mode, data, parent=None):
super(BookGrabber, self).__init__(parent=None)
self.is_Running = True
self.logger = MyLogger("Worker")
self.logger.log_info("Starting worker thread")
self.data = data
self.app_id = app_id
self.prof_id = prof_id
self.mode = mode
self.book_id = None
self.state = (self.app_id, self.prof_id, self.mode, self.data)
time.sleep(2)
# def resetValues(self):
# self.app_id = None
# self.prof_id = None
# self.mode = None
# self.data = None
# self.book_id = None
def run(self):
while self.is_Running:
self.db = Database()
item = 0
iterdata = self.data
print(iterdata)
for entry in iterdata:
signature = str(entry)
self.logger.log_info("Processing entry: " + signature)
webdata = WebRequest().get_ppn(entry).get_data()
if webdata == "error":
continue
bd = BibTextTransformer(self.mode).get_data(webdata).return_data()
transformer = BibTextTransformer("RDS")
rds = transformer.get_data(webdata).return_data("rds_availability")
bd.signature = entry
# confirm lock is acquired
print("lock acquired, adding book to database")
self.db.addBookToDatabase(bd, self.app_id, self.prof_id)
# get latest book id
self.book_id = self.db.getLastBookId()
self.logger.log_info("Added book to database")
state = 0
print(len(rds.items))
for rds_item in rds.items:
sign = rds_item.superlocation
loc = rds_item.location
# ic(sign, loc)
# ic(rds_item)
if self.app_id in sign or self.app_id in loc:
state = 1
break
# for book in self.books:
# if book["bookdata"].signature == entry:
# book_id = book["id"]
# break
self.logger.log_info(f"State of {signature}: {state}")
print(
"updating availability of "
+ str(self.book_id)
+ " to "
+ str(state)
)
try:
self.db.setAvailability(self.book_id, state)
except sqlite3.OperationalError as e:
self.logger.log_error(f"Failed to update availability: {e}")
# time.sleep(5)
item += 1
self.updateSignal.emit(item, len(self.data))
self.logger.log_info("Worker thread finished")
# self.done.emit()
self.stop()
if not self.is_Running:
break
def stop(self):
self.is_Running = False