split threads into multiple files to fix import loop bug

src/logic/threads_availchecker.py

@@ -0,0 +1,72 @@
+import time
+
+from icecream import ic
+from PySide6.QtCore import QThread, 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 AvailChecker(QThread):
+    updateSignal = Signal(str, int)
+    updateProgress = Signal(int, int)
+
+    def __init__(
+        self, links: list = None, appnumber: int = None, parent=None, books=list[dict]
+    ):
+        if links is None:
+            links = []
+        super().__init__(parent)
+        self.logger = MyLogger("AvailChecker")
+        self.logger.log_info("Starting worker thread")
+        self.logger.log_info(
+            "Checking availability for "
+            + str(links)
+            + " with appnumber "
+            + str(appnumber)
+            + "..."
+        )
+        self.links = links
+        self.appnumber = appnumber
+        self.books = books
+        self.logger.log_info(
+            f"Started worker with appnumber: {self.appnumber} and links: {self.links} and {len(self.books)} books..."
+        )
+        time.sleep(2)
+
+    def run(self):
+        self.db = Database()
+        state = 0
+        count = 0
+        for link in self.links:
+            self.logger.log_info("Processing entry: " + str(link))
+            data = WebRequest().get_ppn(link).get_data()
+            transformer = BibTextTransformer("RDS")
+            rds = transformer.get_data(data).return_data("rds_availability")
+
+            book_id = None
+            for item in rds.items:
+                sign = item.superlocation
+                loc = item.location
+                # print(item.location)
+                if self.appnumber in sign or self.appnumber in loc:
+                    state = 1
+                    break
+            for book in self.books:
+                if book["bookdata"].signature == link:
+                    book_id = book["id"]
+                    break
+            self.logger.log_info(f"State of {link}: " + str(state))
+            print("Updating availability of " + str(book_id) + " to " + str(state))
+            self.db.setAvailability(book_id, state)
+            count += 1
+            self.updateProgress.emit(count, len(self.links))
+            self.updateSignal.emit(item.callnumber, state)
+
+        self.logger.log_info("Worker thread finished")
+        # teminate thread
+
+        self.quit()