feat: implement WebADIS authentication and add medianumber retrieval functionality

src/backend/threads_availchecker.py

@@ -3,7 +3,8 @@ from PySide6.QtCore import QThread
 from PySide6.QtCore import Signal as Signal
 
 from src.backend.database import Database
-from src.logic.webrequest import BibTextTransformer, WebRequest
+from src.backend.webadis import get_book_medianr
+from src.logic.webrequest import BibTextTransformer, TransformerType, WebRequest
 from src.shared.logging import log
 
 
@@ -37,7 +38,7 @@ class AvailChecker(QThread):
         )
         # Pre-create reusable request and transformer to avoid per-item overhead
         self._request = WebRequest().set_apparat(self.appnumber)
-        self._rds_transformer = BibTextTransformer("RDS")
+        self._rds_transformer = BibTextTransformer(TransformerType.RDS)
 
     def run(self):
         self.db = Database()
@@ -65,6 +66,12 @@ class AvailChecker(QThread):
                     break
             log.info(f"State of {link}: " + str(state))
             # #print("Updating availability of " + str(book_id) + " to " + str(state))
+            # use get_book_medianr to update the medianr of the book in the database
+            auth = self.db.getWebADISAuth
+            medianr = get_book_medianr(rds.items[0].callnumber, self.appnumber, auth)
+            book_data = book["bookdata"]
+            book_data.medianr = medianr
+            self.db.updateBookdata(book["id"], book_data)
             self.db.setAvailability(book_id, state)
             count += 1
             self.updateProgress.emit(count, len(self.links))