ui to display all loans for all users

src/ui/loans.py

@@ -0,0 +1,112 @@
+from .sources.Ui_main_Loans import Ui_MainWindow
+from PyQt6 import QtCore, QtGui, QtWidgets
+from .user import UserUI
+from src.logic import Database
+from src.utils import stringToDate, Icon
+from src.utils import debugMessage as dbg
+from icecream import ic
+
+TABLETOFIELDTRANSLATE = {
+    "Titel": "book.title",
+    "Signatur": "book.signature",
+    "Nutzer": "user_id",
+}
+
+
+class LoanWindow(QtWidgets.QMainWindow, Ui_MainWindow):
+    def __init__(self):
+        super(LoanWindow, self).__init__()
+        self.setupUi(self)
+        self.setWindowTitle("Ausleihhistorie")
+        self.setWindowIcon(Icon("borrow").icon)
+        self.loanTable.horizontalHeader().setSectionResizeMode(
+            QtWidgets.QHeaderView.ResizeMode.Stretch
+        )
+        self.db = Database()
+        self.loans = []
+        self.loadLoans()
+
+        # lineedits
+        self.searchbar.textChanged.connect(self.limitResults)
+
+        # radio buttons
+        self.radio_all.clicked.connect(self.filterResults)
+        self.radio_current.clicked.connect(self.filterResults)
+        self.radio_overdue.clicked.connect(self.filterResults)
+
+        # table
+        self.loanTable.doubleClicked.connect(self.showUser)
+        self.show()
+
+    def insertRow(self, data):
+        dbg(contents=data)
+        self.loanTable.insertRow(0)
+        self.loanTable.setItem(0, 0, QtWidgets.QTableWidgetItem(data.book.isbn))
+        self.loanTable.setItem(0, 1, QtWidgets.QTableWidgetItem(data.book.signature))
+        self.loanTable.setItem(0, 2, QtWidgets.QTableWidgetItem(data.book.title))
+        self.loanTable.setItem(0, 3, QtWidgets.QTableWidgetItem(str(data.user_id)))
+        self.loanTable.setItem(0, 4, QtWidgets.QTableWidgetItem(data.loan_date))
+        self.loanTable.setItem(0, 5, QtWidgets.QTableWidgetItem(data.return_date))
+        self.loanTable.setItem(0, 6, QtWidgets.QTableWidgetItem(data.returned_date))
+
+    def loadLoans(self):
+        loans = self.db.getAllLoans()
+        for loan in loans:
+            self.insertRow(loan)
+        self.loans = loans
+
+    def filterResults(self):
+        mode = (
+            "all"
+            if self.radio_all.isChecked()
+            else "current"
+            if self.radio_current.isChecked()
+            else "overdue"
+        )
+        self.loanTable.setRowCount(0)
+        today = QtCore.QDate.currentDate()
+        for loan in self.loans:
+            # convert string to Qdate
+            date = loan.return_date
+            qdate = stringToDate(date)
+            # current mode
+            if mode == "current":
+                if loan.returned == 1:
+                    continue
+            elif mode == "overdue":
+                if loan.returned_date != "":
+                    continue
+                else:
+                    if qdate > today:
+                        continue
+            self.insertRow(loan)
+
+    def limitResults(self):
+        limiter = self.searchbar.text().lower()
+        searchfield = self.searchFields.currentText()
+        searchfield = TABLETOFIELDTRANSLATE[searchfield]
+        # dbg(limiter=limiter, search=searchfield)
+        self.loanTable.setRowCount(0)
+        for loan in self.loans:
+            fielddata = eval(f"loan.{searchfield}")
+            if isinstance(fielddata, str):
+                fielddata = fielddata.lower()
+            if limiter in fielddata:
+                self.insertRow(loan)
+
+    def showUser(self):
+        row = self.loanTable.currentRow()
+        user_id = self.loanTable.item(row, 3).text()
+        user_id = int(user_id)
+        user = self.db.getUser(user_id)
+        self.user = UserUI(user.username, user.id, user.email)
+        self.user.show()
+
+
+def launch():
+    import sys
+
+    app = QtWidgets.QApplication(sys.argv)
+    main_ui = LoanWindow()
+    # atexit.register(exit_handler)
+    sys.exit(app.exec())