implement generic table model

implement generic table model which reads table info from db and
constructs table view

gui/kontor.py

@@ -6,7 +6,7 @@ from pathlib import Path
 
 import yaml
 from PySide6.QtGui import QAction, QIcon
-from PySide6.QtWidgets import QWidget, QVBoxLayout, QMenu, QMessageBox, QTabWidget, QTableView, QHBoxLayout, QCheckBox
+from PySide6.QtWidgets import QWidget, QVBoxLayout, QMenu, QMessageBox, QTabWidget, QTableView
 from PySide6.QtWidgets import QApplication, QLabel, QMainWindow
 from platformdirs import PlatformDirs
 

gui/media_file_model.py

@@ -1,115 +0,0 @@
-from datetime import datetime
-
-import mariadb
-from PySide6.QtCore import QAbstractTableModel, QModelIndex, Qt
-from PySide6.QtGui import QColor
-
-
-class MediaFileTableModel(QAbstractTableModel):
-
-    def __init__(self, db_config, main_window):
-        super().__init__()
-        self.main_window = main_window
-        self._data = []
-        self.mariadb_conn = mariadb.connect(
-            host=db_config['mariadb']['host'],
-            port=db_config['mariadb']['port'],
-            user=db_config['mariadb']['user'],
-            password=db_config['mariadb']['password'],
-            database=db_config['mariadb']['database']
-        )
-        self.refresh()
-
-    def refresh(self):
-        data = []
-        cursor = self.mariadb_conn.cursor()
-        filter_rule = ""
-        print(self.main_window.filter["download"].isChecked())
-        if self.main_window.filter["download"].isChecked():
-            print(self.main_window.filter["download"].isChecked())
-            filter_rule = "WHERE should_download is true"
-        if self.main_window.filter["review"].isChecked():
-            if len(filter_rule) > 0:
-                filter_rule += " AND "
-            else:
-                filter_rule += "WHERE "
-            filter_rule += "review is true"
-        print(f"{filter_rule=}")
-        cursor.execute(f"SELECT id, url, review, should_download, file_name, cloud_link FROM media_file {filter_rule}")
-        rows = cursor.fetchall()
-        print(len(rows))
-        if len(rows) > 0:
-            self.beginResetModel()
-            for row in rows:
-                data.append(list(row))
-            self._data = data
-            self.endResetModel()
-        else:
-            self._data = None
-            self.layoutChanged.emit()
-        self.main_window.statusBar.showMessage(f"{len(rows)} Einträge geladen", 3000)
-
-    def rowCount(self, parent=QModelIndex()):
-        # The length of the outer list.
-        if self._data is None:
-            return 0
-        return len(self._data)
-
-    def headerData(self, col, orientation, role=Qt.ItemDataRole.DisplayRole):
-        if orientation == Qt.Orientation.Horizontal and role == Qt.ItemDataRole.DisplayRole:
-            match col:
-                case 0:
-                    return "ID"
-                case 1:
-                    return "URL"
-                case 2:
-                    return "Review"
-                case 3:
-                    return "Download"
-                case 4:
-                    return "Filename"
-                case 5:
-                    return "Cloud Link"
-        if orientation == Qt.Orientation.Vertical and role == Qt.ItemDataRole.DisplayRole:
-            return str(col+1)
-
-    def data(self, index, role=Qt.ItemDataRole.DisplayRole):
-        if self._data is None:
-            return None
-        value = self._data[index.row()][index.column()]
-        if role == Qt.ItemDataRole.DisplayRole:
-            if isinstance(value, datetime):
-                return value.strftime("%Y-%m-%d %M:%M:%S")
-            if isinstance(value, str):
-                return value
-            if isinstance(value, bytes):
-                if value == b'\x01':
-                    return self.main_window.tick
-                else:
-                    return self.main_window.cross
-            return value
-        if role == Qt.ItemDataRole.DecorationRole:
-            if isinstance(value, bytes):
-                # print('{}: {}'.format(value, type(value)))
-                if value == b'\x01':
-                    return self.main_window.tick
-                else:
-                    return self.main_window.cross
-
-    def columnCount(self, index=QModelIndex()):
-        # The following takes the first sub-list, and returns
-        # the length (only works if all rows are an equal length)
-        if self._data is None:
-            return 5
-        return len(self._data[0])
-
-    def setData(self, index, value, role=Qt.ItemDataRole.EditRole):
-        if role == Qt.ItemDataRole.EditRole:
-            self._data[index.row()][index.column()] = value
-        if role == Qt.ItemDataRole.CheckStateRole:
-            checked = value == Qt.CheckState.Checked
-            self._data[index.row()][index.column()] = checked
-        return True
-
-    def flags(self, index):
-        return Qt.ItemFlag.ItemIsSelectable | Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsEditable | Qt.ItemFlag.ItemIsUserTristate