287 lines
10 KiB
Python
287 lines
10 KiB
Python
import ast
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from .sources.Ui_main_UserInterface import Ui_MainWindow
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from .user import UserUI
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from .createUser import CreateUser
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from .multiUserInfo import MultiUserFound
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from .newentry import NewEntry
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from .settings import Settings
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from src import config
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from src.logic import Database, Catalogue, Backup
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from src.utils import stringToDate, Icon
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from src.schemas import User, Book
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from PyQt6 import QtCore, QtGui, QtWidgets
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import sys
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import atexit
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backup = Backup()
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class MainUI(QtWidgets.QMainWindow, Ui_MainWindow):
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def __init__(self):
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super(MainUI, self).__init__()
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self.setupUi(self)
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self.setWindowTitle("Handbibliotheksleihsystem")
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self.setWindowIcon(Icon("main").icon)
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self.db = Database()
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self.currentDate = QtCore.QDate.currentDate()
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self.label_7.hide()
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self.nextReturnDate.hide()
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self.activeUser = None
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# add default loan duration to current date
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loanDate = self.currentDate.addDays(config.default_loan_duration)
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self.duedate.setDate(loanDate)
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# hotkeys
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self.actionRueckgabemodus.triggered.connect(self.changeMode)
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self.actionNutzer.triggered.connect(self.showUser)
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self.actionEinstellungen.triggered.connect(self.showSettings)
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#Buttons
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self.btn_show_lentmedia.clicked.connect(self.showUser)
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# LineEdits
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self.input_userno.returnPressed.connect(
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lambda: self.checkUser("id", self.input_userno.text())
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)
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self.input_username.returnPressed.connect(
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lambda: self.checkUser("username", self.input_username.text())
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)
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self.input_file_ident.returnPressed.connect(self.handleLineInput)
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self.input_userno.setValidator(QtGui.QIntValidator())
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# TableWidget
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# set header size to be width/number of columns
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self.mediaOverview.horizontalHeader().setSectionResizeMode(
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QtWidgets.QHeaderView.ResizeMode.Stretch
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)
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# self.input_userno.
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self.show()
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def showSettings(self):
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settings = Settings()
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settings.exec()
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def changeMode(self):
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self.mode.setText("Rückgabe")
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self.input_username.clear()
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self.input_userno.clear()
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self.userdata.clear()
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self.btn_show_lentmedia.setText("")
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self.input_file_ident.clear()
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self.label_7.hide()
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self.nextReturnDate.hide()
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def showUser(self):
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if self.activeUser is None:
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# create warning dialog
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dialog = QtWidgets.QMessageBox()
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dialog.setWindowTitle("Kein Nutzer ausgewählt")
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dialog.setIcon(QtWidgets.QMessageBox.Icon.Warning)
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dialog.setWindowIcon(Icon("warning").overwriteColor("#EA3323"))
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dialog.setText("Kein Nutzer ausgewählt")
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dialog.exec()
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return
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self.user_ui = UserUI(
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self.activeUser.username, self.activeUser.id, self.activeUser.email
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)
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# self.user_ui.setFields("John Doe", "123456789", "test@mail.com")
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self.user_ui.show()
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def setUserData(self):
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self.input_username.setText(self.activeUser.username)
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self.input_userno.setText(str(self.activeUser.id))
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self.userdata.setText(self.activeUser.__repr__())
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def checkUser(self, fieldname, data):
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print("Checking User", fieldname, data)
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# set fieldname as key and data as variable
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user = self.db.checkUserExists(fieldname, data)
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if not user:
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user = CreateUser(fieldname, data)
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user.exec()
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userid = user.userid
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if userid:
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data = self.db.getUser(userid)
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self.activeUser = data
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else:
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if len(user) > 1:
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multi = MultiUserFound(user)
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multi.exec()
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self.activeUser = multi.userdata
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else:
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self.activeUser = user[0]
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if self.activeUser is not None:
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print("User found", self.activeUser)
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self.setUserData()
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self.input_file_ident.setFocus()
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self.mode.setText("Ausleihe")
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self.btn_show_lentmedia.setText(self.db.getActiveLoans(self.activeUser.id))
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retdate = self.db.selectClosestReturnDate(self.activeUser.id)
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if retdate:
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date = stringToDate(retdate)
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self.nextReturnDate.setText(date)
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self.nextReturnDate.show()
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self.label_7.show()
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def moveToLine(self, line):
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line.setFocus()
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def handleLineInput(self):
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value = self.input_file_ident.text().strip()
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if len(value) <= 2:
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self.callShortcut(value)
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else:
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if self.mode.text() == "Rückgabe":
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self.returnMedia(value)
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else:
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self.mediaAdd(value)
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def mediaAdd(self, identifier):
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self.clearStatusTip
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print("Adding Media", identifier)
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self.setStatusTip("")
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self.input_file_ident.clear()
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self.input_file_ident.setEnabled(False)
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user_id = self.activeUser.id
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cat = Catalogue()
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media = cat.get_book(identifier)
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print(media)
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book_id = self.db.checkMediaExists(media)
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print(book_id)
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if book_id:
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if len(book_id) > 1:
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print("Multiple Books found")
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# TODO: implement book selection dialog
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return
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else:
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# check if book is already loaned
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loaned = self.db.checkLoanState(book_id[0])
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if loaned:
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print("Book already loaned")
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self.setStatusTipMessage("Buch bereits entliehen")
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# dialog with yes no to create new entry
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dialog = QtWidgets.QMessageBox()
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dialog.setText(
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"Buch bereits entliehen, soll ein neues hinzugefügt werden?"
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)
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dialog.setStandardButtons(
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QtWidgets.QMessageBox.StandardButton.Yes
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| QtWidgets.QMessageBox.StandardButton.No
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)
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dialog.setDefaultButton(QtWidgets.QMessageBox.StandardButton.No)
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dialog.exec()
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result = dialog.result()
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if result == QtWidgets.QMessageBox.StandardButton.No:
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return
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newentry = NewEntry([book_id[0]])
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newentry.exec()
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self.setStatusTipMessage("Neues Exemplar hinzugefügt")
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created_ids = newentry.newIds
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print(created_ids)
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self.input_file_ident.setEnabled(True)
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return
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else:
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print("Book not loaned, loaning now")
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self.db.insertLoan(
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user_id,
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book_id[0],
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self.currentDate.toString(),
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self.duedate.date().toString(),
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)
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self.mediaOverview.insertRow(0)
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self.mediaOverview.setItem(
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0, 0, QtWidgets.QTableWidgetItem(media.isbn)
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)
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self.mediaOverview.setItem(
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0, 1, QtWidgets.QTableWidgetItem(media.title)
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)
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self.mediaOverview.setItem(
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0, 2, QtWidgets.QTableWidgetItem("Entliehen")
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)
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else:
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book_id = self.db.insertMedia(media)
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self.db.insertLoan(
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userid=user_id,
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mediaid=book_id,
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loandate=self.currentDate.toString(),
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duedate=self.duedate.date().toString(),
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)
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self.btn_show_lentmedia.setText(self.db.getActiveLoans(self.activeUser.id))
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self.nextReturnDate.setText(
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stringToDate(self.db.selectClosestReturnDate(self.activeUser.id))
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)
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self.nextReturnDate.show()
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self.label_7.show()
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self.input_file_ident.setEnabled(True)
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def callShortcut(self, shortcut):
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print("Calling Shortcut", shortcut)
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# check if actions have shortcut key and call them
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sysem_shortcuts = None
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print(sysem_shortcuts)
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def returnMedia(self, identifier):
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print("Returning Media", identifier)
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# get book id from database
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identifier = Book(
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isbn=identifier, title=identifier, signature=identifier, ppn=identifier
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)
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book_id = self.db.checkMediaExists(identifier)
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print(book_id)
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if book_id:
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# check if book is already loaned
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loaned = self.db.checkLoanState(book_id[0])
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if loaned:
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print("Book already loaned, returning now")
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user = self.db.getUserByLoan(book_id[0])
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# set userdata in lineedits
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self.activeUser = user
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self.setUserData()
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book = self.db.returnMedia(book_id[0], self.currentDate.toString())
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self.mediaOverview.insertRow(0)
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self.mediaOverview.setItem(0, 0, QtWidgets.QTableWidgetItem(book.isbn))
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self.mediaOverview.setItem(0, 1, QtWidgets.QTableWidgetItem(book.title))
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self.mediaOverview.setItem(
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0, 2, QtWidgets.QTableWidgetItem("Zurückgegeben")
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)
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self.input_file_ident.clear()
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self.btn_show_lentmedia.setText(
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self.db.getActiveLoans(self.activeUser.id)
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)
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#
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else:
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print("Book not loaned")
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else:
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print("Book not found")
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def setStatusTipMessage(self, message):
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self.setStatusTip(message)
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@property
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def clearStatusTip(self):
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self.setStatusTip("")
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def exit_handler():
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print("Exiting")
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state = backup.createBackup()
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# create dialog to show state
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app = QtWidgets.QApplication(sys.argv)
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dialog = QtWidgets.QMessageBox()
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if state == True:
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dialog.setText("Backup created successfully")
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else:
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dialog.setText("Backup creation failed")
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dialog.exec()
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def launch():
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app = QtWidgets.QApplication(sys.argv)
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main_ui = MainUI()
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# atexit.register(exit_handler)
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sys.exit(app.exec())
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# sys.exit(app.exec())
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