404 lines
14 KiB
Python
404 lines
14 KiB
Python
import json
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import locale
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import os
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from datetime import datetime, timedelta
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from fabric.utils.helpers import get_relative_path
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from fabric.widgets.box import Box
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from gi.repository import GdkPixbuf, GLib, GObject
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from loguru import logger
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import config.data as data
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# Constants
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PERSISTENT_DIR = f"/tmp/{data.APP_NAME}/notifications"
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PERSISTENT_HISTORY_FILE = os.path.join(PERSISTENT_DIR, "notification_history.json")
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CONFIG_FILE = get_relative_path("../config/assets/config.json")
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NOTIFICATION_IMAGE_PREFIX = "notification_"
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NOTIFICATION_IMAGE_SUFFIX = ".png"
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DEFAULT_NOTIFICATION_IMAGE_SIZE = 48
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MAX_PERSISTENT_NOTIFICATIONS = 100
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# Global shared notification history instance
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_shared_notification_history = None
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class HistoricalNotification:
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"""Data structure for historical notification data"""
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def __init__(
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self, id, app_icon, summary, body, app_name, timestamp, cached_image_path=None
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):
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self.id = id
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self.app_icon = app_icon
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self.summary = summary
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self.body = body
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self.app_name = app_name
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self.timestamp = timestamp
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self.cached_image_path = cached_image_path
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self.image_pixbuf = None
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self.actions = []
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self.cached_scaled_pixbuf = None
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# Image handling functions
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def cache_notification_pixbuf(notification_box):
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"""Cache notification image to disk and return cache file path"""
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notification = notification_box.notification
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if notification.image_pixbuf:
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os.makedirs(PERSISTENT_DIR, exist_ok=True)
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cache_file = os.path.join(
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PERSISTENT_DIR,
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f"{NOTIFICATION_IMAGE_PREFIX}{notification_box.uuid}{
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NOTIFICATION_IMAGE_SUFFIX
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}",
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)
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try:
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scaled = notification.image_pixbuf.scale_simple(
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DEFAULT_NOTIFICATION_IMAGE_SIZE,
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DEFAULT_NOTIFICATION_IMAGE_SIZE,
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GdkPixbuf.InterpType.BILINEAR,
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)
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scaled.savev(cache_file, "png", [], [])
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return cache_file
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except Exception as e:
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logger.error(f"Error caching image for notification {notification.id}: {e}")
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return None
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else:
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logger.debug(f"Notification {notification.id} has no image_pixbuf to cache.")
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return None
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def load_scaled_pixbuf(notification_box, width, height):
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"""Load and scale pixbuf from notification box"""
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notification = notification_box.notification
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if not hasattr(notification_box, "notification") or notification is None:
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return None
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pixbuf = None
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# Try to load from cached image first
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if (
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hasattr(notification_box, "cached_image_path")
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and notification_box.cached_image_path
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and os.path.exists(notification_box.cached_image_path)
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):
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try:
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logger.debug(
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f"Attempting to load cached image from: {
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notification_box.cached_image_path
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} "
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f"for notification {notification.id}"
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)
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pixbuf = GdkPixbuf.Pixbuf.new_from_file(notification_box.cached_image_path)
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if pixbuf:
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pixbuf = pixbuf.scale_simple(
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width, height, GdkPixbuf.InterpType.BILINEAR
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)
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return pixbuf
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except Exception as e:
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logger.error(
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f"Error loading cached image from {notification_box.cached_image_path} "
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f"for notification {notification.id}: {e}"
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)
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logger.warning(
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f"Falling back to notification.image_pixbuf for notification {
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notification.id
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}"
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)
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# Fall back to notification image_pixbuf
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if notification.image_pixbuf:
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pixbuf = notification.image_pixbuf.scale_simple(
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width, height, GdkPixbuf.InterpType.BILINEAR
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)
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return pixbuf
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# Fall back to app icon
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return get_app_icon_pixbuf(notification.app_icon, width, height)
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def get_app_icon_pixbuf(icon_path, width, height):
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"""Load and scale app icon pixbuf"""
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if not icon_path:
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return None
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if icon_path.startswith("file://"):
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icon_path = icon_path[7:]
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if not os.path.exists(icon_path):
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logger.warning(f"Icon path does not exist: {icon_path}")
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return None
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try:
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pixbuf = GdkPixbuf.Pixbuf.new_from_file(icon_path)
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return pixbuf.scale_simple(width, height, GdkPixbuf.InterpType.BILINEAR)
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except Exception as e:
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logger.error(f"Failed to load or scale icon: {e}")
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return None
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def cleanup_orphan_cached_images(persistent_notifications):
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"""Clean up cached images that no longer have corresponding notifications"""
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if not os.path.exists(PERSISTENT_DIR):
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return
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cached_files = [
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f
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for f in os.listdir(PERSISTENT_DIR)
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if f.startswith(NOTIFICATION_IMAGE_PREFIX)
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and f.endswith(NOTIFICATION_IMAGE_SUFFIX)
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]
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if not cached_files:
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return
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history_uuids = {
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note.get("id") for note in persistent_notifications if note.get("id")
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}
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for cached_file in cached_files:
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try:
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uuid_from_filename = cached_file[
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len(NOTIFICATION_IMAGE_PREFIX) : -len(NOTIFICATION_IMAGE_SUFFIX)
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]
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if uuid_from_filename not in history_uuids:
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cache_file_path = os.path.join(PERSISTENT_DIR, cached_file)
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os.remove(cache_file_path)
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except Exception as e:
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print(f"Error processing cached file {cached_file} during cleanup: {e}")
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def delete_cached_image(cached_image_path):
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"""Delete a specific cached image file"""
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if cached_image_path and os.path.exists(cached_image_path):
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try:
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os.remove(cached_image_path)
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logger.info(f"Deleted cached image: {cached_image_path}")
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except Exception as e:
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logger.error(f"Error deleting cached image {cached_image_path}: {e}")
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# Time and date utilities
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def get_ordinal(n):
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"""Get ordinal suffix for a number (1st, 2nd, 3rd, etc.)"""
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if 11 <= (n % 100) <= 13:
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return "th"
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else:
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return {1: "st", 2: "nd", 3: "rd"}.get(n % 10, "th")
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def get_date_header(dt):
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"""Get human-readable date header for a datetime"""
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now = datetime.now()
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today = now.date()
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date = dt.date()
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if date == today:
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return "Today"
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elif date == today - timedelta(days=1):
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return "Yesterday"
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else:
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original_locale = locale.getlocale(locale.LC_TIME)
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try:
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locale.setlocale(locale.LC_TIME, ("en_US", "UTF-8"))
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except locale.Error:
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locale.setlocale(locale.LC_TIME, "C")
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try:
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day = dt.day
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ordinal = get_ordinal(day)
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month = dt.strftime("%B")
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if dt.year == now.year:
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result = f"{month} {day}{ordinal}"
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else:
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result = f"{month} {day}{ordinal}, {dt.year}"
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finally:
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locale.setlocale(locale.LC_TIME, original_locale)
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return result
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def schedule_midnight_update(callback):
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"""Schedule a callback to run at midnight"""
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now = datetime.now()
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next_midnight = datetime.combine(
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now.date() + timedelta(days=1), datetime.min.time()
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)
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delta_seconds = (next_midnight - now).total_seconds()
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return GLib.timeout_add_seconds(int(delta_seconds), callback)
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def compute_time_label(arrival_time):
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"""Compute time label for notification timestamp"""
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return arrival_time.strftime("%H:%M")
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# Data creation utilities
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def create_notification_data(notification_box):
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"""Create notification data dictionary from notification box"""
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notification = notification_box.notification
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return {
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"id": notification_box.uuid,
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"app_icon": getattr(notification, "app_icon", "dialog-information-symbolic"),
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"summary": getattr(notification, "summary", "No summary"),
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"body": getattr(notification, "body", ""),
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"app_name": getattr(notification, "app_name", "Unknown"),
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"timestamp": datetime.now().isoformat(),
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"cached_image_path": getattr(notification_box, "cached_image_path", None),
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}
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def create_historical_notification_from_data(note_data):
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"""Create HistoricalNotification object from data dictionary"""
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return HistoricalNotification(
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id=note_data.get("id"),
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app_icon=note_data.get("app_icon"),
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summary=note_data.get("summary"),
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body=note_data.get("body"),
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app_name=note_data.get("app_name"),
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timestamp=note_data.get("timestamp"),
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cached_image_path=note_data.get("cached_image_path"),
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)
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# Storage utilities
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def ensure_persistent_dir():
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"""Ensure the persistent directory exists"""
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if not os.path.exists(PERSISTENT_DIR):
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os.makedirs(PERSISTENT_DIR, exist_ok=True)
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def load_persistent_history():
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"""Load notification history from persistent storage"""
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ensure_persistent_dir()
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if os.path.exists(PERSISTENT_HISTORY_FILE):
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try:
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with open(PERSISTENT_HISTORY_FILE, "r") as f:
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notifications = json.load(f)
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logger.info(
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f"Loaded {len(notifications)} notifications from persistent history"
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)
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return notifications
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except Exception as e:
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logger.error(f"Error loading persistent history: {e}")
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return []
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else:
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return []
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def save_persistent_history(notifications):
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"""Save notification history to persistent storage"""
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try:
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ensure_persistent_dir()
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with open(PERSISTENT_HISTORY_FILE, "w") as f:
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json.dump(notifications, f, indent=2)
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logger.info(f"Saved {len(notifications)} notifications to persistent history")
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except Exception as e:
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logger.error(f"Error saving persistent history: {e}")
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def load_dnd_state():
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"""Load Do Not Disturb state from config"""
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try:
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if os.path.exists(CONFIG_FILE):
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with open(CONFIG_FILE, "r") as f:
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config_data = json.load(f)
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dnd_enabled = config_data.get("dnd_enabled", False)
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logger.info(f"Loaded DND state: {dnd_enabled}")
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return dnd_enabled
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except Exception as e:
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logger.error(f"Error loading DND state: {e}")
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return False
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def save_dnd_state(dnd_enabled):
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"""Save Do Not Disturb state to config"""
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try:
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config_data = {}
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if os.path.exists(CONFIG_FILE):
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with open(CONFIG_FILE, "r") as f:
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config_data = json.load(f)
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config_data["dnd_enabled"] = dnd_enabled
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with open(CONFIG_FILE, "w") as f:
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json.dump(config_data, f, indent=4)
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logger.debug(f"Saved DND state: {dnd_enabled}")
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except Exception as e:
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logger.error(f"Error saving DND state: {e}")
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# Shared notification history class
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class NotificationHistory(Box):
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"""Shared notification history with DND state management"""
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__gsignals__ = {
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"dnd-state-changed": (GObject.SignalFlags.RUN_FIRST, None, (bool,)),
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"notification-added": (GObject.SignalFlags.RUN_FIRST, None, ()),
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}
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def __init__(self, **kwargs):
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super().__init__(name="notification-history", orientation="v", **kwargs)
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self.do_not_disturb_enabled = False
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self.persistent_notifications = []
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self._load_persistent_history()
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self._load_dnd_state()
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def set_do_not_disturb_enabled(self, enabled):
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"""Set DND state and emit signal if changed"""
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if self.do_not_disturb_enabled != enabled:
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self.do_not_disturb_enabled = enabled
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save_dnd_state(enabled)
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self.emit("dnd-state-changed", enabled)
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def _load_persistent_history(self):
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"""Load persistent notification history"""
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self.persistent_notifications = load_persistent_history()
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def _load_dnd_state(self):
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"""Load DND state from config"""
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self.do_not_disturb_enabled = load_dnd_state()
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def _save_persistent_history(self):
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"""Save persistent notification history"""
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save_persistent_history(self.persistent_notifications)
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def add_notification(self, notification_box):
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"""Add notification to history"""
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try:
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hist_data = create_notification_data(notification_box)
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self.persistent_notifications.append(hist_data)
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# Remove old notifications if we exceed the limit
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if len(self.persistent_notifications) > MAX_PERSISTENT_NOTIFICATIONS:
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self.persistent_notifications.pop(0)
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self._save_persistent_history()
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self.emit("notification-added")
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except Exception as e:
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print(f"Error adding notification to history: {e}")
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def clear_history_for_app(self, app_name):
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"""Clear history for specific app"""
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try:
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original_count = len(self.persistent_notifications)
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self.persistent_notifications = [
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notif
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for notif in self.persistent_notifications
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if notif.get("app_name") != app_name
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]
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removed_count = original_count - len(self.persistent_notifications)
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if removed_count > 0:
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self._save_persistent_history()
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logger.info(
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f"Cleared {removed_count} notifications for app: {app_name}"
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)
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except Exception as e:
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print(f"Error clearing history for app {app_name}: {e}")
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def get_shared_notification_history():
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"""Get or create the shared notification history instance"""
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global _shared_notification_history
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if _shared_notification_history is None:
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_shared_notification_history = NotificationHistory()
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return _shared_notification_history
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