Kemono-Downloader/src/ui/dialogs/ErrorFilesDialog.py
2025-07-18 07:54:11 -07:00

233 lines
10 KiB
Python

# --- PyQt5 Imports ---
from PyQt5.QtCore import pyqtSignal, Qt
from PyQt5.QtWidgets import (
QApplication, QDialog, QHBoxLayout, QLabel, QListWidget, QListWidgetItem,
QMessageBox, QPushButton, QVBoxLayout, QAbstractItemView, QFileDialog
)
# --- Local Application Imports ---
from ...i18n.translator import get_translation
from ..assets import get_app_icon_object
# Corrected Import: The filename uses PascalCase.
from .ExportOptionsDialog import ExportOptionsDialog
from ...utils.resolution import get_dark_theme
class ErrorFilesDialog(QDialog):
"""
Dialog to display files that were skipped due to errors and
allows the user to retry downloading them or export the list of URLs.
"""
# Signal emitted with a list of file info dictionaries to retry
retry_selected_signal = pyqtSignal(list)
def __init__(self, error_files_info_list, parent_app, parent=None):
"""
Initializes the dialog.
Args:
error_files_info_list (list): A list of dictionaries, each containing
info about a failed file.
parent_app (DownloaderApp): A reference to the main application window
for theming and translations.
parent (QWidget, optional): The parent widget. Defaults to None.
"""
super().__init__(parent)
self.parent_app = parent_app
self.setModal(True)
self.error_files = error_files_info_list
# --- Basic Window Setup ---
app_icon = get_app_icon_object()
if app_icon and not app_icon.isNull():
self.setWindowIcon(app_icon)
scale_factor = getattr(self.parent_app, 'scale_factor', 1.0)
base_width, base_height = 550, 400
self.setMinimumSize(int(base_width * scale_factor), int(base_height * scale_factor))
self.resize(int(base_width * scale_factor * 1.1), int(base_height * scale_factor * 1.1))
# --- Initialize UI and Apply Theming ---
self._init_ui()
self._retranslate_ui()
self._apply_theme()
def _init_ui(self):
"""Initializes all UI components and layouts for the dialog."""
main_layout = QVBoxLayout(self)
self.info_label = QLabel()
self.info_label.setWordWrap(True)
main_layout.addWidget(self.info_label)
if self.error_files:
self.files_list_widget = QListWidget()
self.files_list_widget.setSelectionMode(QAbstractItemView.NoSelection)
self._populate_list()
main_layout.addWidget(self.files_list_widget)
# --- Control Buttons ---
buttons_layout = QHBoxLayout()
self.select_all_button = QPushButton()
self.select_all_button.clicked.connect(self._select_all_items)
buttons_layout.addWidget(self.select_all_button)
self.retry_button = QPushButton()
self.retry_button.clicked.connect(self._handle_retry_selected)
buttons_layout.addWidget(self.retry_button)
self.export_button = QPushButton()
self.export_button.clicked.connect(self._handle_export_errors_to_txt)
buttons_layout.addWidget(self.export_button)
buttons_layout.addStretch(1)
self.ok_button = QPushButton()
self.ok_button.clicked.connect(self.accept)
self.ok_button.setDefault(True)
buttons_layout.addWidget(self.ok_button)
main_layout.addLayout(buttons_layout)
# Enable/disable buttons based on whether there are errors
has_errors = bool(self.error_files)
self.select_all_button.setEnabled(has_errors)
self.retry_button.setEnabled(has_errors)
self.export_button.setEnabled(has_errors)
def _populate_list(self):
"""Populates the list widget with details of the failed files."""
for error_info in self.error_files:
filename = error_info.get('forced_filename_override',
error_info.get('file_info', {}).get('name', 'Unknown Filename'))
post_title = error_info.get('post_title', 'Unknown Post')
post_id = error_info.get('original_post_id_for_log', 'N/A')
item_text = f"File: {filename}\nFrom Post: '{post_title}' (ID: {post_id})"
list_item = QListWidgetItem(item_text)
list_item.setData(Qt.UserRole, error_info)
list_item.setFlags(list_item.flags() | Qt.ItemIsUserCheckable)
list_item.setCheckState(Qt.Unchecked)
self.files_list_widget.addItem(list_item)
def _tr(self, key, default_text=""):
"""Helper to get translation based on the main application's current language."""
if callable(get_translation) and self.parent_app:
return get_translation(self.parent_app.current_selected_language, key, default_text)
return default_text
def _retranslate_ui(self):
"""Sets the text for all translatable UI elements."""
self.setWindowTitle(self._tr("error_files_dialog_title", "Files Skipped Due to Errors"))
if not self.error_files:
self.info_label.setText(self._tr("error_files_no_errors_label", "No files were recorded as skipped..."))
else:
self.info_label.setText(self._tr("error_files_found_label", "The following {count} file(s)...").format(count=len(self.error_files)))
self.select_all_button.setText(self._tr("error_files_select_all_button", "Select All"))
self.retry_button.setText(self._tr("error_files_retry_selected_button", "Retry Selected"))
self.export_button.setText(self._tr("error_files_export_urls_button", "Export URLs to .txt"))
self.ok_button.setText(self._tr("ok_button", "OK"))
def _apply_theme(self):
"""Applies the current theme from the parent application."""
if self.parent_app and self.parent_app.current_theme == "dark":
# Get the scale factor from the parent app
scale = getattr(self.parent_app, 'scale_factor', 1)
# Call the imported function with the correct scale
self.setStyleSheet(get_dark_theme(scale))
else:
# Explicitly set a blank stylesheet for light mode
self.setStyleSheet("")
def _select_all_items(self):
"""Checks all items in the list."""
if hasattr(self, 'files_list_widget'):
for i in range(self.files_list_widget.count()):
self.files_list_widget.item(i).setCheckState(Qt.Checked)
def _handle_retry_selected(self):
"""Gathers selected files and emits the retry signal."""
if not hasattr(self, 'files_list_widget'):
return
selected_files_for_retry = [
self.files_list_widget.item(i).data(Qt.UserRole)
for i in range(self.files_list_widget.count())
if self.files_list_widget.item(i).checkState() == Qt.Checked
]
if selected_files_for_retry:
self.retry_selected_signal.emit(selected_files_for_retry)
self.accept()
else:
QMessageBox.information(
self,
self._tr("fav_artists_no_selection_title", "No Selection"),
self._tr("error_files_no_selection_retry_message", "Please select at least one file to retry.")
)
def _handle_export_errors_to_txt(self):
"""Exports the URLs of failed files to a text file."""
if not self.error_files:
QMessageBox.information(
self,
self._tr("error_files_no_errors_export_title", "No Errors"),
self._tr("error_files_no_errors_export_message", "There are no error file URLs to export.")
)
return
options_dialog = ExportOptionsDialog(parent_app=self.parent_app, parent=self)
if not options_dialog.exec_() == QDialog.Accepted:
return
export_option = options_dialog.get_selected_option()
lines_to_export = []
for error_item in self.error_files:
file_info = error_item.get('file_info', {})
url = file_info.get('url')
if url:
if export_option == ExportOptionsDialog.EXPORT_MODE_WITH_DETAILS:
original_filename = file_info.get('name', 'Unknown Filename')
post_title = error_item.get('post_title', 'Unknown Post')
post_id = error_item.get('original_post_id_for_log', 'N/A')
details_string = f" [Post: '{post_title}' (ID: {post_id}), File: '{original_filename}']"
lines_to_export.append(f"{url}{details_string}")
else:
lines_to_export.append(url)
if not lines_to_export:
QMessageBox.information(
self,
self._tr("error_files_no_urls_found_export_title", "No URLs Found"),
self._tr("error_files_no_urls_found_export_message", "Could not extract any URLs...")
)
return
default_filename = "error_file_links.txt"
filepath, _ = QFileDialog.getSaveFileName(
self,
self._tr("error_files_save_dialog_title", "Save Error File URLs"),
default_filename,
"Text Files (*.txt);;All Files (*)"
)
if filepath:
try:
with open(filepath, 'w', encoding='utf-8') as f:
for line in lines_to_export:
f.write(f"{line}\n")
QMessageBox.information(
self,
self._tr("error_files_export_success_title", "Export Successful"),
self._tr("error_files_export_success_message", "Successfully exported...").format(
count=len(lines_to_export), filepath=filepath
)
)
except Exception as e:
QMessageBox.critical(
self,
self._tr("error_files_export_error_title", "Export Error"),
self._tr("error_files_export_error_message", "Could not export...").format(error=str(e))
)