581 lines
23 KiB
Python
581 lines
23 KiB
Python
import re
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import sys
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import os
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from datetime import datetime
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import asyncio
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import logging
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from typing import Iterable
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# Add the parent directory to the system path to resolve relative imports
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
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from textual import work
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from textual.worker import Worker
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from textual.app import App, ComposeResult, SystemCommand, RenderResult
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from textual.logging import TextualHandler
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from textual.screen import Screen
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from textual.widgets import Footer, Static, Label, Markdown, ListView, ListItem
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from textual.reactive import reactive, Reactive
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from textual.binding import Binding
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from textual.timer import Timer
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from textual.containers import ScrollableContainer, Vertical, Horizontal
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from actions.archive import archive_current
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from actions.delete import delete_current
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from actions.open import action_open
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from actions.task import action_create_task
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from widgets.EnvelopeHeader import EnvelopeHeader
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from widgets.ContentContainer import ContentContainer
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from maildir_gtd.utils import group_envelopes_by_date
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logging.basicConfig(
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level="NOTSET",
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handlers=[TextualHandler()],
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)
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class StatusTitle(Static):
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total_messages: Reactive[int] = reactive(0)
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current_message_index: Reactive[int] = reactive(0)
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current_message_id: Reactive[int] = reactive(1)
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folder: Reactive[str] = reactive("INBOX")
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def render(self) -> RenderResult:
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return f"{self.folder} | ID: {self.current_message_id} | [b]{self.current_message_index}[/b]/{self.total_messages}"
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class EmailViewerApp(App):
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"""A simple email viewer app using the Himalaya CLI."""
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CSS_PATH = "email_viewer.tcss"
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title = "Maildir GTD Reader"
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current_message_id: Reactive[int] = reactive(0)
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current_message_index: Reactive[int] = reactive(0)
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folder = reactive("INBOX")
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header_expanded = reactive(False)
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reload_needed = reactive(True)
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all_envelopes = reactive([]) # Keep as list for compatibility with ListView
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envelope_map = {} # Add a dictionary to map IDs to envelope data
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envelope_index_map = {} # Map indices in the list to envelope IDs
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oldest_id: Reactive[int] = reactive(0)
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newest_id: Reactive[int] = reactive(0)
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msg_worker: Worker | None = None
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message_metadata: dict[int, dict] = {}
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message_body_cache: dict[int, str] = {}
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total_messages: Reactive[int] = reactive(0)
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status_title = reactive("Message View")
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sort_order_ascending: Reactive[bool] = reactive(True)
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valid_envelopes = reactive([])
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def get_system_commands(self, screen: Screen) -> Iterable[SystemCommand]:
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yield from super().get_system_commands(screen)
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yield SystemCommand("Next Message", "Navigate to Next ID", self.action_next)
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yield SystemCommand(
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"Previous Message", "Navigate to Previous ID", self.action_previous
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)
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yield SystemCommand(
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"Delete Message", "Delete the current message", self.action_delete
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)
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yield SystemCommand(
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"Archive Message", "Archive the current message", self.action_archive
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)
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yield SystemCommand(
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"Open Message", "Open a specific message by ID", self.action_open
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)
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yield SystemCommand(
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"Create Task", "Create a task using the task CLI", self.action_create_task
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)
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yield SystemCommand(
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"Oldest Message", "Show the oldest message", self.action_oldest
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)
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yield SystemCommand(
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"Newest Message", "Show the newest message", self.action_newest
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)
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yield SystemCommand("Reload", "Reload the message list", self.fetch_envelopes)
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BINDINGS = [
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Binding("j", "next", "Next message"),
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Binding("k", "previous", "Previous message"),
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Binding("#", "delete", "Delete message"),
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Binding("e", "archive", "Archive message"),
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Binding("o", "open", "Open message", show=False),
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Binding("q", "quit", "Quit application"),
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Binding("h", "toggle_header", "Toggle Envelope Header"),
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Binding("t", "create_task", "Create Task"),
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Binding("%", "reload", "Reload message list"),
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Binding("1", "focus_1", "Focus Accounts Panel"),
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Binding("2", "focus_2", "Focus Folders Panel"),
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Binding("3", "focus_3", "Focus Envelopes Panel"),
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Binding("m", "toggle_mode", "Toggle Content Mode"),
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]
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BINDINGS.extend(
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[
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Binding("space", "scroll_page_down", "Scroll page down"),
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Binding("b", "scroll_page_up", "Scroll page up"),
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Binding("s", "toggle_sort_order", "Toggle Sort Order"),
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]
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)
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def compose(self) -> ComposeResult:
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yield Horizontal(
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Vertical(
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ListView(
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ListItem(Label("All emails...")),
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id="envelopes_list",
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classes="list_view",
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initial_index=0,
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),
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ListView(id="accounts_list", classes="list_view"),
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ListView(id="folders_list", classes="list_view"),
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id="sidebar",
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),
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ContentContainer(id="main_content"),
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id="outer-wrapper",
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)
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yield Footer()
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async def on_mount(self) -> None:
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self.alert_timer: Timer | None = None # Timer to throttle alerts
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self.theme = "monokai"
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self.title = "MaildirGTD"
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self.query_one("#main_content").border_title = self.status_title
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sort_indicator = "\u2191" if self.sort_order_ascending else "\u2193"
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self.query_one("#envelopes_list").border_title = f"\[1] Emails {sort_indicator}"
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self.query_one("#accounts_list").border_title = "\[2] Accounts"
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self.query_one("#folders_list").border_title = "\[3] Folders"
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# self.query_one(ListView).data_bind(index=EmailViewerApp.current_message_index)
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# self.watch(self.query_one(StatusTitle), "current_message_id", update_progress)
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# Fetch the ID of the most recent message using the Himalaya CLI
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self.fetch_accounts()
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self.fetch_folders()
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worker = self.fetch_envelopes()
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await worker.wait()
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self.query_one("#envelopes_list").focus()
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self.action_oldest()
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def compute_status_title(self) -> None:
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return f"✉️ Message ID: {self.current_message_id} "
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def compute_valid_envelopes(self) -> None:
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return (envelope for envelope in self.all_envelopes if envelope.get("id"))
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def watch_status_title(self, old_status_title: str, new_status_title: str) -> None:
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self.query_one(ContentContainer).border_title = new_status_title
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def watch_sort_order_ascending(self, old_value: bool, new_value: bool) -> None:
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"""Update the border title of the envelopes list when the sort order changes."""
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sort_indicator = "\u2191" if new_value else "\u2193"
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self.query_one("#envelopes_list").border_title = f"\[1] Emails {sort_indicator}"
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def watch_current_message_index(self, old_index: int, new_index: int) -> None:
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if new_index < 0:
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new_index = 0
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self.current_message_index = new_index
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if new_index > self.total_messages:
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new_index = self.total_messages
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self.current_message_index = new_index
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self.query_one(
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"#envelopes_list"
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).border_subtitle = f"[b]{new_index}[/b]/{self.total_messages}"
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self.query_one("#envelopes_list").index = new_index
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def compute_newest_id(self) -> None:
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if not self.all_envelopes:
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return 0
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items = sorted(
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self.valid_envelopes,
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key=lambda x: x["date"],
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reverse=not self.sort_order_ascending,
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)
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return items[-1]["id"] if items else 0
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def compute_oldest_id(self) -> None:
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if not self.valid_envelopes:
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return 0
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items = sorted(
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self.valid_envelopes,
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key=lambda x: x["date"],
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reverse=not self.sort_order_ascending,
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)
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return items[0]["id"] if items else 0
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def watch_reload_needed(
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self, old_reload_needed: bool, new_reload_needed: bool
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) -> None:
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logging.info(f"Reload needed: {new_reload_needed}")
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if not old_reload_needed and new_reload_needed:
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self.fetch_envelopes()
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def watch_current_message_id(
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self, old_message_id: int, new_message_id: int
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) -> None:
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"""Called when the current message ID changes."""
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logging.info(
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f"Current message ID changed from {old_message_id} to {new_message_id}"
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)
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if new_message_id == old_message_id:
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return
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self.msg_worker.cancel() if self.msg_worker else None
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logging.info(f"new_message_id: {new_message_id}, type: {type(new_message_id)}")
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logging.info(f"message_metadata keys: {list(self.message_metadata.keys())}")
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content_container = self.query_one(ContentContainer)
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content_container.display_content(new_message_id)
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if new_message_id in self.message_metadata:
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metadata = self.message_metadata[new_message_id]
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message_date = re.sub(r"[\+\-]\d\d:\d\d", "", metadata["date"])
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message_date = datetime.strptime(message_date, "%Y-%m-%d %H:%M").strftime(
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"%a %b %d %H:%M"
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)
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# Only update the current_message_index if it's different from the index in the ListView
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# This prevents the sidebar selection from getting out of sync with the displayed content
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if self.current_message_index != metadata["index"]:
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self.current_message_index = metadata["index"]
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content_container.update_header(
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subject=metadata.get("subject", "").strip(),
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from_=metadata["from"].get("addr", ""),
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to=metadata["to"].get("addr", ""),
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date=message_date,
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cc=metadata["cc"].get("addr", "") if "cc" in metadata else "",
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)
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# Make sure the ListView index matches the current message index
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list_view = self.query_one("#envelopes_list")
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if list_view.index != metadata["index"]:
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list_view.index = metadata["index"]
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else:
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logging.warning(f"Message ID {new_message_id} not found in metadata.")
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def on_list_view_selected(self, event: ListView.Selected) -> None:
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"""Called when an item in the list view is selected."""
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current_item = self.all_envelopes[event.list_view.index]
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# Skip if it's a header or None
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if current_item is None or current_item.get("type") == "header":
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return
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# Get the message ID and update current index in a consistent way
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message_id = int(current_item["id"])
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self.current_message_id = message_id
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# Update the index directly based on the ListView selection
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# This ensures the sidebar selection and displayed content stay in sync
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self.current_message_index = event.list_view.index
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@work(exclusive=False)
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async def fetch_envelopes(self) -> None:
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msglist = self.query_one("#envelopes_list")
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try:
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msglist.loading = True
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process = await asyncio.create_subprocess_shell(
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"himalaya envelope list -o json -s 9999",
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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)
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stdout, stderr = await process.communicate()
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logging.info(f"stdout: {stdout.decode()[0:50]}")
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if process.returncode == 0:
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import json
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envelopes = json.loads(stdout.decode())
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if envelopes:
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self.reload_needed = False
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self.total_messages = len(envelopes)
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msglist.clear()
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envelopes = sorted(
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envelopes,
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key=lambda x: x["date"],
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reverse=not self.sort_order_ascending,
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)
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grouped_envelopes = group_envelopes_by_date(envelopes)
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self.all_envelopes = grouped_envelopes
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# Update our dictionary mappings
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self.envelope_map = {int(envelope["id"]): envelope for envelope in grouped_envelopes if "id" in envelope}
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self.envelope_index_map = {index: int(envelope["id"]) for index, envelope in enumerate(grouped_envelopes) if "id" in envelope}
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# Store metadata with correct indices
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self.message_metadata = {
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int(envelope["id"]): {
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"subject": envelope.get("subject", ""),
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"from": envelope.get("from", {}),
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"to": envelope.get("to", {}),
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"date": envelope.get("date", ""),
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"cc": envelope.get("cc", {}),
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"index": index, # Store the position index
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}
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for index, envelope in enumerate(self.all_envelopes)
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if "id" in envelope
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}
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# Add items to the ListView
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for item in grouped_envelopes:
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if item.get("type") == "header":
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msglist.append(
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ListItem(
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Label(
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item["label"],
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classes="group_header",
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markup=False,
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)
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)
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)
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else:
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msglist.append(
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ListItem(
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Label(
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str(item["subject"]).strip(),
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classes="email_subject",
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markup=False,
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)
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)
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)
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msglist.index = self.current_message_index
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else:
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self.show_status("Failed to fetch any envelopes.", "error")
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except Exception as e:
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self.show_status(f"Error fetching message list: {e}", "error")
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finally:
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msglist.loading = False
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@work(exclusive=False)
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async def fetch_accounts(self) -> None:
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accounts_list = self.query_one("#accounts_list")
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try:
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accounts_list.loading = True
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process = await asyncio.create_subprocess_shell(
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"himalaya account list -o json",
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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)
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stdout, stderr = await process.communicate()
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logging.info(f"stdout: {stdout.decode()[0:50]}")
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if process.returncode == 0:
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import json
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accounts = json.loads(stdout.decode())
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if accounts:
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for account in accounts:
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item = ListItem(
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Label(
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str(account["name"]).strip(),
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classes="account_name",
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markup=False,
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)
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)
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accounts_list.append(item)
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except Exception as e:
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self.show_status(f"Error fetching account list: {e}", "error")
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finally:
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accounts_list.loading = False
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@work(exclusive=False)
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async def fetch_folders(self) -> None:
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folders_list = self.query_one("#folders_list")
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folders_list.clear()
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folders_list.append(
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ListItem(Label("INBOX", classes="folder_name", markup=False))
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)
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try:
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folders_list.loading = True
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process = await asyncio.create_subprocess_shell(
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"himalaya folder list -o json",
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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)
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stdout, stderr = await process.communicate()
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logging.info(f"stdout: {stdout.decode()[0:50]}")
|
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if process.returncode == 0:
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import json
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folders = json.loads(stdout.decode())
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if folders:
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for folder in folders:
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item = ListItem(
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Label(
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str(folder["name"]).strip(),
|
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classes="folder_name",
|
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markup=False,
|
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)
|
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)
|
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folders_list.append(item)
|
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except Exception as e:
|
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self.show_status(f"Error fetching folder list: {e}", "error")
|
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finally:
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folders_list.loading = False
|
|
|
|
def show_message(self, message_id: int, new_index=None) -> None:
|
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if new_index:
|
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self.current_message_index = new_index
|
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self.current_message_id = message_id
|
|
|
|
def show_status(self, message: str, severity: str = "information") -> None:
|
|
"""Display a status message using the built-in notify function."""
|
|
self.notify(
|
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message, title="Status", severity=severity, timeout=2.6, markup=True
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)
|
|
|
|
async def action_toggle_sort_order(self) -> None:
|
|
"""Toggle the sort order of the envelope list."""
|
|
self.sort_order_ascending = not self.sort_order_ascending
|
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worker = self.fetch_envelopes()
|
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await worker.wait()
|
|
|
|
# Call action_newest or action_oldest based on the new sort order
|
|
if self.sort_order_ascending:
|
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self.action_oldest()
|
|
else:
|
|
self.action_newest()
|
|
|
|
async def action_toggle_mode(self) -> None:
|
|
"""Toggle the content mode between plaintext and markdown."""
|
|
content_container = self.query_one(ContentContainer)
|
|
await content_container.toggle_mode()
|
|
|
|
def action_next(self) -> None:
|
|
if not self.current_message_index >= 0:
|
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return
|
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modifier = 1
|
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idx = self.current_message_index
|
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try:
|
|
if (
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self.all_envelopes[idx + modifier] is None
|
|
or self.all_envelopes[idx + modifier].get("type") == "header"
|
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):
|
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idx = idx + modifier
|
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except IndexError:
|
|
# If we reach the end of the list, wrap around to the beginning
|
|
idx = 0
|
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self.show_message(self.all_envelopes[idx + modifier].get("id"), idx + modifier)
|
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self.fetch_envelopes() if self.reload_needed else None
|
|
|
|
def action_previous(self) -> None:
|
|
if not self.current_message_index >= 0:
|
|
return
|
|
modifier = -1
|
|
idx = self.current_message_index
|
|
try:
|
|
if (
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self.all_envelopes[idx + modifier] is None
|
|
or self.all_envelopes[idx + modifier].get("type") == "header"
|
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):
|
|
idx = idx + modifier
|
|
except IndexError:
|
|
# If we reach the beginning of the list, wrap around to the end
|
|
idx = len(self.all_envelopes) - 1
|
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self.show_message(self.all_envelopes[idx + modifier].get("id"), idx + modifier)
|
|
self.fetch_envelopes() if self.reload_needed else None
|
|
|
|
async def action_delete(self) -> None:
|
|
# Remove from all data structures
|
|
self.all_envelopes = [item for item in self.all_envelopes if item and item.get("id") != self.current_message_id]
|
|
self.envelope_map.pop(self.current_message_id, None)
|
|
self.envelope_index_map = {index: id for index, id in self.envelope_index_map.items() if id != self.current_message_id}
|
|
self.message_metadata = {
|
|
k: v for k, v in self.message_metadata.items() if k != self.current_message_id
|
|
}
|
|
self.message_body_cache = {
|
|
k: v for k, v in self.message_body_cache.items() if k != self.current_message_id
|
|
}
|
|
self.total_messages = len(self.message_metadata)
|
|
|
|
# Perform delete operation
|
|
delete_current(self)
|
|
|
|
# Get next message to display
|
|
try:
|
|
newmsg = self.all_envelopes[self.current_message_index]
|
|
# Skip headers
|
|
if newmsg.get("type") == "header":
|
|
if self.current_message_index + 1 < len(self.all_envelopes):
|
|
newmsg = self.all_envelopes[self.current_message_index + 1]
|
|
else:
|
|
# If we're at the end, go to the previous message
|
|
newmsg = self.all_envelopes[self.current_message_index - 1]
|
|
self.current_message_index -= 1
|
|
|
|
# Show the next message
|
|
if "id" in newmsg:
|
|
self.show_message(newmsg["id"])
|
|
except (IndexError, KeyError):
|
|
# If no more messages, just reload envelopes
|
|
self.reload_needed = True
|
|
self.fetch_envelopes()
|
|
|
|
async def action_archive(self) -> None:
|
|
self.all_envelopes = [item for item in self.all_envelopes if item and item.get("id") != self.current_message_id]
|
|
self.envelope_map.pop(self.current_message_id, None)
|
|
self.envelope_index_map = {index: id for index, id in self.envelope_index_map.items() if id != self.current_message_id}
|
|
self.message_metadata = {
|
|
k: v for k, v in self.message_metadata.items() if k != self.current_message_id
|
|
}
|
|
self.message_body_cache = {
|
|
k: v for k, v in self.message_body_cache.items() if k != self.current_message_id
|
|
}
|
|
self.total_messages = len(self.message_metadata)
|
|
worker = archive_current(self)
|
|
await worker.wait()
|
|
newmsg = self.all_envelopes[self.current_message_index]
|
|
if newmsg.get("type") == "header":
|
|
newmsg = self.all_envelopes[self.current_message_index + 1]
|
|
return
|
|
self.show_message(newmsg["id"])
|
|
|
|
def action_open(self) -> None:
|
|
action_open(self)
|
|
|
|
def action_create_task(self) -> None:
|
|
action_create_task(self)
|
|
|
|
def action_scroll_down(self) -> None:
|
|
"""Scroll the main content down."""
|
|
self.query_one("#main_content").scroll_down()
|
|
|
|
def action_scroll_up(self) -> None:
|
|
"""Scroll the main content up."""
|
|
self.query_one("#main_content").scroll_up()
|
|
|
|
def action_scroll_page_down(self) -> None:
|
|
"""Scroll the main content down by a page."""
|
|
self.query_one("#main_content").scroll_page_down()
|
|
|
|
def action_scroll_page_up(self) -> None:
|
|
"""Scroll the main content up by a page."""
|
|
self.query_one("#main_content").scroll_page_up()
|
|
|
|
def action_quit(self) -> None:
|
|
"""Quit the application."""
|
|
self.exit()
|
|
|
|
def action_oldest(self) -> None:
|
|
self.fetch_envelopes() if self.reload_needed else None
|
|
self.show_message(self.oldest_id)
|
|
|
|
def action_newest(self) -> None:
|
|
self.fetch_envelopes() if self.reload_needed else None
|
|
self.show_message(self.newest_id)
|
|
|
|
def action_focus_1(self) -> None:
|
|
self.query_one("#envelopes_list").focus()
|
|
|
|
def action_focus_2(self) -> None:
|
|
self.query_one("#accounts_list").focus()
|
|
|
|
def action_focus_3(self) -> None:
|
|
self.query_one("#folders_list").focus()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
app = EmailViewerApp()
|
|
app.run()
|