429 lines
16 KiB
Python
429 lines
16 KiB
Python
import sys
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import atexit
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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, Log
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from src.utils import debugMessage as dbg
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from src.schemas import Book
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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 .newBook import NewBook
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from .loans import LoanWindow
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from .reportUi import ReportUi
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from PyQt6 import QtCore, QtWidgets
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backup = Backup()
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cat = Catalogue()
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log = Log("main")
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dbg(backup=config.database.do_backup, catalogue=config.catalogue)
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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(f"Handbibliotheksleihsystem {config.institution_name}")
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self.setWindowIcon(Icon("main").icon)
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self.label_7.hide()
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self.nextReturnDate.hide()
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# add default loan duration to current date
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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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self.actionAusleihistorie.triggered.connect(self.showLoanHistory)
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self.actionBericht_erstellen.triggered.connect(self.generateReport)
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# Buttons
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self.btn_show_lentmedia.clicked.connect(self.showUser)
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self.btn_createNewUser.clicked.connect(self.createUser)
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self.btn_createNewUser.setText("")
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self.btn_createNewUser.setIcon(Icon("add_user").overwriteColor("#1E90FF"))
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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.setMaxLength(40)
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self.input_userno.textChanged.connect(
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lambda: self.validateInput(self.input_userno.text(), "int")
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)
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self.input_username.setEnabled(False)
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self.input_userno.setEnabled(False)
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self.duedate.setEnabled(False)
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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_file_ident.setFocus()
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# self.userdata.textChanged.connect(lambda: self.mode.setText("Ausleihe"))
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# self.input_userno.
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# variables
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self.db = Database()
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self.currentDate = QtCore.QDate.currentDate()
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loanDate = self.currentDate.addDays(config.default_loan_duration)
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self.activeUser = None
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self.activeState = "Rückgabe"
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self.duedate.setDate(loanDate)
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# functions
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self.activateReturnMode()
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if backup.backup:
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log.info("Backup enabled")
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else:
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log.warning("Backup disabled")
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self.show()
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def generateReport(self):
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log.info("Generating Report")
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report = ReportUi()
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report.exec()
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def showLoanHistory(self):
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log.info("Showing Loan History")
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self.loan = LoanWindow()
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self.loan.show()
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def validateInput(self, value, type):
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lastchar = value[-1] if value else ""
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# if lastchar is not of the type, remove it
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if type == "int":
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if not lastchar.isdigit():
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self.input_userno.setText(value[:-1])
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def showSettings(self):
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log.info("Showing Settings")
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settings = Settings()
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settings.exec()
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def changeMode(self):
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log.info("Changing Mode")
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dbg(f"Current mode: {self.activeState}")
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self.input_username.clear()
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self.userdata.clear()
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self.input_userno.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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self.mediaOverview.setRowCount(0)
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if self.activeState == "Rückgabe":
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self.activateLoanMode()
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else:
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self.activateReturnMode()
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def activateLoanMode(self):
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dbg("Activating Loan Mode")
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self.input_username.setEnabled(True)
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self.input_userno.setEnabled(True)
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self.duedate.setEnabled(True)
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self.input_userno.setFocus()
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# set mode background color to blue with rounded edges
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# self.mode.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
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self.mode.setStyleSheet("background-color: #1E90FF")
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self.mode.setText("Ausleihe")
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self.activeState = "Ausleihe"
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def activateReturnMode(self):
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dbg("Activating Return Mode")
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self.input_username.setEnabled(False)
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self.input_userno.setEnabled(False)
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# set mode background color to orange
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self.mode.setStyleSheet("background-color: #FFA500")
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self.duedate.setEnabled(False)
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self.activeState = "Rückgabe"
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self.mode.setText("Rückgabe")
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def showUser(self):
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log.info(f"Showing User {self.activeUser}")
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if self.activeUser is None:
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# create warning dialog
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log.info("Showing no user selected warning")
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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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log.info("Setting User Data")
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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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# self.mode.setText("Ausleihe")
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def createUser(self):
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log.info("Creating User")
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user = CreateUser(fieldname="id", data="")
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user.exec()
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userid = user.userid
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if userid:
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log.info(f"User created {userid}")
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data = self.db.getUser(userid)
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self.activeUser = data
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# set user to active user
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self.setUserData()
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self.activateLoanMode()
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self.input_file_ident.setFocus()
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return
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def checkUser(self, fieldname, data):
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log.info(f"Checking User {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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warning = QtWidgets.QMessageBox()
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warning.setWindowTitle("Nutzer nicht gefunden")
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warning.setIcon(QtWidgets.QMessageBox.Icon.Warning)
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warning.setWindowIcon(Icon("warning").overwriteColor("#EA3323"))
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warning.setText("Nutzer nicht gefunden, bitte erst anlegen")
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warning.exec()
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self.input_username.clear()
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self.input_userno.clear()
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return
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else:
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if len(user) > 1:
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log.info("Multiple Users found")
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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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# print("User found", user[0])
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self.activeUser = user[0]
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if self.activeUser is not None:
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log.info(f"User found {self.activeUser}")
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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).toString("dd.MM.yyyy")
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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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log.debug("Moving to Line", 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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log.debug(f"Handling Line Input {value}")
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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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if not " " in value:
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# create warning dialog
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log.info("Invalid Input")
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dialog = QtWidgets.QMessageBox()
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dialog.setWindowTitle("Ungültige Eingabe")
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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(
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"Die Eingabe enthält kein Leerzeichen\nBitte prüfen und erneut eingeben"
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)
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dialog.exec()
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return
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self.mediaAdd(value)
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def mediaAdd(self, identifier):
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# print("Adding Media", identifier)
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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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media = Book(signature=identifier)
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book_id = self.db.checkMediaExists(media)
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dbg(f"Book ID: {book_id}, User ID: {user_id}", media=media)
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if not book_id:
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dbg("Book not found, searching catalogue")
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if config.catalogue == True:
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media = cat.get_book(identifier)
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if not media:
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self.setStatusTipMessage("Buch nicht gefunden")
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self.input_file_ident.setEnabled(True)
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return
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book_id = self.db.insertMedia(media)
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self.loanMedia(user_id, [book_id], media)
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else:
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newbook = NewBook()
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newbook.exec()
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if newbook.result() == 1:
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media = newbook.book
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book_id = self.db.insertMedia(media)
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elif book_id:
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if isinstance(book_id, list) and 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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if isinstance(book_id, int):
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book_id = [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")
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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.setWindowTitle("Buch bereits entliehen")
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dialog.setWindowIcon(Icon("duplicate").icon)
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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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self.input_file_ident.setEnabled(True)
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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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# print(created_ids)
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self.input_file_ident.setEnabled(True)
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newentries = newentry.newIds
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if newentries:
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for entry in newentries:
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book = self.db.getMedia(entry)
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self.loanMedia(user_id, [entry], book)
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dbg("inserted duplicated book into database")
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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.loanMedia(user_id, book_id, media)
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def loanMedia(self, user_id, book_id, media):
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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("yyyy-MM-dd"),
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self.duedate.date().toString("yyyy-MM-dd"),
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)
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self.mediaOverview.insertRow(0)
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self.mediaOverview.setItem(0, 0, QtWidgets.QTableWidgetItem(media.signature))
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self.mediaOverview.setItem(0, 1, QtWidgets.QTableWidgetItem(media.title))
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self.mediaOverview.setItem(0, 2, QtWidgets.QTableWidgetItem("Entliehen"))
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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)).toString(
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"dd.MM.yyyy"
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)
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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 returnMedia(self, identifier):
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# print("Returning Media", identifier)
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# get book id from database
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# self.
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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(
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book_id[0], self.currentDate.toString("yyyy-MM-dd")
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)
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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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self.setStatusTipMessage("Buch nicht entliehen")
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self.input_file_ident.clear()
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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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dialog = QtWidgets.QMessageBox()
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dialog.setWindowTitle("Fehler")
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dialog.setIcon(QtWidgets.QMessageBox.Icon.Information)
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dialog.setWindowIcon(Icon("error").overwriteColor("#EA3323"))
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dialog.setText(message)
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dialog.exec()
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def exit_handler():
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dbg("Exiting, creating backup")
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app = QtWidgets.QApplication(sys.argv)
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if config.database.do_backup:
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state = backup.createBackup()
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# create dialog to show state
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if state == True:
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return
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else:
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dialog = QtWidgets.QMessageBox()
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# set icon
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dialog.setWindowIcon(Icon("backup").icon)
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dialog.setWindowTitle("Backup")
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dialog.setText("Backup konnte nicht erstellt werden")
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dialog.exec()
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dbg("Exiting", backupstate=state)
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else:
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dialog = QtWidgets.QMessageBox()
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# set icon
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reason = (
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"Backup deaktiviert"
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if config.database.do_backup is False
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else "Backuppfad nicht gefunden"
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if not backup.backup
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else "Unbekannter Fehler"
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)
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dialog.setWindowIcon(Icon("backup").icon)
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dialog.setWindowTitle("Backup nicht möglich")
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dialog.setText("Backup konnte nicht erstellt werden\nGrund: {}".format(reason))
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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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