230 lines
9.7 KiB
Python
230 lines
9.7 KiB
Python
from PySide6.QtWidgets import QWidget, QListWidget, QVBoxLayout, QListWidgetItem, QAbstractItemView
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from PySide6.QtCore import Qt, QSize, Signal, QLocale
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from typing import List
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from app.core.models.chat_models import PrivateChatListItem
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from app.ui.widgets.chat_list_item_widget import ChatListItemWidget
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from app.core.theme import theme_manager
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from datetime import datetime
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from uuid import UUID
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class ChatListView(QWidget):
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chat_selected = Signal(UUID)
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def __init__(self, current_user_id: UUID = None):
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super().__init__()
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self.current_user_id = current_user_id
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self.chat_items_map = {}
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self.init_ui()
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self.update_theme()
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theme_manager.theme_changed.connect(self.update_theme)
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def init_ui(self):
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"""Инициализирует пользовательский интерфейс."""
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layout = QVBoxLayout(self)
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layout.setContentsMargins(0, 0, 0, 0)
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layout.setSpacing(0)
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self.chat_list = QListWidget()
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self.chat_list.setSpacing(2)
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# Ensure no default row backgrounds
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self.chat_list.setAlternatingRowColors(False)
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self.chat_list.setAutoFillBackground(False)
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# Disable selection to avoid persistent click highlight
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self.chat_list.setSelectionMode(QAbstractItemView.NoSelection)
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self.chat_list.itemClicked.connect(self.on_chat_item_clicked)
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layout.addWidget(self.chat_list)
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# Изначальное состояние
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self.show_placeholder_message("Загрузка чатов...")
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def on_chat_item_clicked(self, item: QListWidgetItem):
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"""Обработчик клика по элементу списка чатов."""
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chat_id = self.chat_items_map.get(id(item))
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if chat_id:
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self.chat_selected.emit(chat_id)
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# Remove focus to avoid blue outline after selection
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self.chat_list.clearFocus()
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def update_theme(self):
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"""Обновляет стили в соответствии с темой."""
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palette = theme_manager.get_current_palette()
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self.chat_list.setStyleSheet(f"""
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QListWidget {{
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background-color: {palette['primary']};
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border: none;
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padding: 5px;
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outline: 0;
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}}
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QListWidget::item {{
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background-color: transparent;
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border: none;
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border-radius: 5px;
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}}
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QListWidget::item:hover {{
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background-color: {palette['hover']};
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border: none;
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}}
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QScrollBar:vertical {{
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border: none;
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background: {palette['primary']};
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width: 8px;
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margin: 0px 0px 0px 0px;
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}}
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QScrollBar::handle:vertical {{
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background: {palette['secondary']};
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min-height: 20px;
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border-radius: 4px;
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}}
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QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical {{
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height: 0px;
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}}
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""")
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# Force transparent backgrounds behind text/items
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existing_styles = self.chat_list.styleSheet()
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self.chat_list.setStyleSheet(existing_styles + f"""
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QListWidget::item {{
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background-color: transparent;
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border: none;
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border-radius: 5px;
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}}
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QListWidget::item:hover {{
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background-color: {palette['hover']};
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border: none;
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}}
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QListWidget::item:selected {{
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background-color: {palette['selected']};
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border: none;
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}}
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QListView::item {{
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background-color: transparent;
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border: none;
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border-radius: 5px;
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}}
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QListView::item:hover {{
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background-color: {palette['hover']};
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border: none;
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}}
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QListView::item:selected {{
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background-color: {palette['selected']};
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border: none;
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}}
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QListWidget QLabel {{
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background-color: transparent;
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}}
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""")
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# Обновляем существующие элементы
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for i in range(self.chat_list.count()):
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item = self.chat_list.item(i)
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widget = self.chat_list.itemWidget(item)
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if isinstance(widget, ChatListItemWidget):
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widget.update_theme()
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def show_placeholder_message(self, text):
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"""Очищает список и показывает одно сообщение (например, "Загрузка..." или "Чатов нет")."""
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self.chat_list.clear()
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item = QListWidgetItem(text)
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item.setTextAlignment(Qt.AlignCenter)
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# Убираем фон у элемента-заглушки
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item.setBackground(Qt.transparent)
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self.chat_list.addItem(item)
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def populate_chats(self, chat_items: List[PrivateChatListItem]):
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"""
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Заполняет список чатов данными, полученными от сервера.
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"""
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self.chat_list.clear()
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self.chat_items_map.clear()
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if not chat_items:
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self.show_placeholder_message("У вас пока нет чатов")
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return
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# Сортируем чаты по времени последнего сообщения
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chat_items.sort(key=lambda x: x.last_message.created_at if x.last_message else datetime.min, reverse=True)
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for chat in chat_items:
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# Определяем имя собеседника
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if chat.chat_type == "self":
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companion_name = "Избранное"
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elif chat.chat_data and 'login' in chat.chat_data:
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# print("=============================")
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# print("chat.chat_data", chat.chat_data)
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# print("=============================")
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if chat.chat_data['custom_name']:
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companion_name = "@"+chat.chat_data['login'] + " (" + chat.chat_data['custom_name'] + ")"
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else:
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companion_name = "@"+chat.chat_data['login']
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else:
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companion_name = "Неизвестный"
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# Получаем текст и время последнего сообщения
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if chat.last_message and chat.last_message.content:
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last_msg = chat.last_message.content
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timestamp = chat.last_message.created_at.strftime('%H:%M')
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else:
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last_msg = "Нет сообщений"
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timestamp = ""
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# TODO: Заменить на реальное количество непрочитанных сообщений
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unread_count = 2
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# Build display timestamp based on recency
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if chat.last_message and getattr(chat.last_message, 'created_at', None):
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ts_utc = chat.last_message.created_at
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ts_dt = ts_utc.astimezone()
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now = datetime.now().astimezone()
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delta_days = (now.date() - ts_dt.date()).days
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if delta_days == 0:
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# Respect system 12/24h preference
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time_fmt = QLocale.system().timeFormat(QLocale.ShortFormat)
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if ('AP' in time_fmt) or ('ap' in time_fmt) or ('a' in time_fmt):
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# 12-hour clock
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display_ts = ts_dt.strftime('%I:%M %p').lstrip('0')
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else:
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# 24-hour clock
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display_ts = ts_dt.strftime('%H:%M')
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elif delta_days == 1:
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display_ts = 'Вчера'
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elif 1 < delta_days < 7:
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weekdays = ['Пн', 'Вт', 'Ср', 'Чт', 'Пт', 'Сб', 'Вс']
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display_ts = weekdays[ts_dt.weekday()]
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elif delta_days < 365:
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display_ts = ts_dt.strftime('%b %d')
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else:
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display_ts = ts_dt.strftime('%d.%m.%y')
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else:
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display_ts = ''
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# Создаем кастомный виджет
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is_outgoing = False
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is_read = None
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if chat.last_message:
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if self.current_user_id is not None:
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is_outgoing = (str(chat.last_message.sender_id) == str(self.current_user_id))
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if is_outgoing: unread_count = 0
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is_read = bool(chat.last_message.is_viewed)
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item_widget = ChatListItemWidget(companion_name, last_msg, display_ts, unread_count=unread_count, is_outgoing=is_outgoing, is_read=is_read)
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# Tooltip with full date/time on hover
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try:
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if chat.last_message and getattr(chat.last_message, 'created_at', None):
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ts_utc = chat.last_message.created_at
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ts_local = ts_utc.astimezone()
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item_widget.set_timestamp_tooltip(ts_local.strftime('%d.%m.%Y %H:%M:%S'))
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else:
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item_widget.set_timestamp_tooltip("")
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except Exception:
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pass
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# Создаем элемент списка и устанавливаем для него наш виджет
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list_item = QListWidgetItem(self.chat_list)
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list_item.setSizeHint(item_widget.sizeHint())
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self.chat_list.addItem(list_item)
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self.chat_list.setItemWidget(list_item, item_widget)
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# Сохраняем ID чата в словаре
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self.chat_items_map[id(list_item)] = chat.chat_id
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