"""Core data models for task querying."""
from dataclasses import dataclass
from datetime import date
from typing import Optional
import re
@dataclass
class Task:
"""Represents a parsed task from markdown."""
status: str # 'x', ' ', '/', '-', 'Q', etc.
description: str # Task text after emoji fields
priority: Optional[str] # 'highest', 'high', 'medium', 'low', 'lowest', None
start_date: Optional[date] # 🛫 YYYY-MM-DD
scheduled_date: Optional[date] # ⏳ YYYY-MM-DD
due_date: Optional[date] # 📅 YYYY-MM-DD
done_date: Optional[date] # ✅ YYYY-MM-DD
created_date: Optional[date] # ➕ YYYY-MM-DD
source_line: str # Original markdown line
file_path: str # Path to file (relative to vault root)
line_number: int # Line number in file (1-indexed)
@property
def is_done(self) -> bool:
"""Check if task is marked as done."""
return self.status == 'x'
def is_valid(self) -> bool:
"""Check if task is valid (has non-empty description)."""
return bool(self.description.strip())
@dataclass
class Query:
"""Represents a parsed query with filters."""
filters: list # List of Filter objects
error: Optional[str] = None # Parse error, if any
# Priority hierarchy for comparisons
# Lower value = higher priority
PRIORITY_HIERARCHY = {
'highest': 0,
'high': 1,
'medium': 2,
'none': 3,
'low': 4,
'lowest': 5,
}
# Priority emoji to name mapping
PRIORITY_EMOJI_MAP = {
'🔺': 'highest',
'⏫': 'high',
'🔼': 'medium',
'🔽': 'low',
'⏬': 'lowest',
}
# Compiled regex patterns for task parsing
# Main task pattern: matches checkbox tasks
TASK_REGEX = re.compile(r'^([\s\t>]*)([-*+]|[0-9]+[.)]) +\[(.)\] *(.*)$')
# Emoji field patterns (applied from end of string)
# \uFE0F? handles optional Variant Selector 16
PRIORITY_REGEX = re.compile(r'(🔺|⏫|🔼|🔽|⏬)\uFE0F?$')
DONE_DATE_REGEX = re.compile(r'✅\uFE0F? *(\d{4}-\d{2}-\d{2})$')
SCHEDULED_DATE_REGEX = re.compile(r'(?:⏳|⌛)\uFE0F? *(\d{4}-\d{2}-\d{2})$')
DUE_DATE_REGEX = re.compile(r'(?:📅|📆|🗓)\uFE0F? *(\d{4}-\d{2}-\d{2})$')
START_DATE_REGEX = re.compile(r'🛫\uFE0F? *(\d{4}-\d{2}-\d{2})$')
CREATED_DATE_REGEX = re.compile(r'➕\uFE0F? *(\d{4}-\d{2}-\d{2})$')
