755 lines
27 KiB
Python
755 lines
27 KiB
Python
"""
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Medications command handler - bot-side hooks for medication management
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"""
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import asyncio
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import re
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from datetime import datetime, timedelta, timezone
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from bot.command_registry import register_module
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import ai.parser as ai_parser
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def _get_nearest_scheduled_time(times, user_tz=None):
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"""Find the nearest scheduled time in user's timezone.
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Args:
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times: List of time strings like ["08:00", "20:00"]
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user_tz: pytz timezone object for the user
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Returns the time as HH:MM string, or None if no times provided.
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"""
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if not times:
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return None
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# Get current time in user's timezone
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if user_tz is None:
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# Default to UTC if no timezone provided
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user_tz = timezone.utc
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now = datetime.now(user_tz)
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now_minutes = now.hour * 60 + now.minute
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# Find the time closest to now (within ±4 hours window)
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best_time = None
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best_diff = float("inf")
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window_minutes = 4 * 60 # 4 hour window
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for time_str in times:
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try:
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# Parse time string (e.g., "12:00")
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hour, minute = map(int, time_str.split(":"))
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time_minutes = hour * 60 + minute
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# Calculate difference
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diff = abs(time_minutes - now_minutes)
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# Only consider times within the window
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if diff <= window_minutes and diff < best_diff:
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best_diff = diff
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best_time = time_str
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except (ValueError, AttributeError):
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continue
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# If no time within window, use the most recent past time
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if best_time is None:
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# Get current time in user's timezone again for reference
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now = datetime.now(user_tz)
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now_minutes = now.hour * 60 + now.minute
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# Find the most recent past time
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past_times = []
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for time_str in times:
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try:
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hour, minute = map(int, time_str.split(":"))
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time_minutes = hour * 60 + minute
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# If time is in the past today, calculate minutes since then
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if time_minutes <= now_minutes:
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past_times.append((time_minutes, time_str))
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else:
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# If time is in the future, consider it as yesterday's time
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past_times.append((time_minutes - 24 * 60, time_str))
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except (ValueError, AttributeError):
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continue
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if past_times:
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# Find the time closest to now (most recent past)
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past_times.sort()
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best_time = past_times[-1][1]
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return best_time
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if not best_time:
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for time_str in times:
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try:
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hour, minute = map(int, time_str.split(":"))
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time_minutes = hour * 60 + minute
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# If this time was earlier today, it's a candidate
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if time_minutes <= now_minutes:
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diff = now_minutes - time_minutes
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if diff < best_diff:
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best_diff = diff
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best_time = time_str
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except (ValueError, AttributeError):
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continue
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# If still no time found, use the first scheduled time
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if not best_time and times:
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best_time = times[0]
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return best_time
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async def _get_user_timezone(bot, user_id):
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"""Check if user has timezone set, ask for it if not.
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Returns the timezone string or None if user cancels.
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"""
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# Check if user has timezone set
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user_data = await bot.api.get_user_data(user_id)
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if user_data and user_data.get('timezone'):
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return user_data['timezone']
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# Ask user for their timezone
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await bot.send_dm(user_id, "🕐 I don't have your timezone set yet. Could you please tell me your timezone?\n\n" +
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"You can provide it in various formats:\n" +
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"- Timezone name (e.g., 'America/New_York', 'Europe/London')\n" +
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"- UTC offset (e.g., 'UTC+2', '-05:00')\n" +
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"- Common abbreviations (e.g., 'EST', 'PST')\n\n" +
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"Please reply with your timezone and I'll set it up for you!")
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# Wait for user response (simplified - in real implementation this would be more complex)
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# For now, we'll just return None to indicate we need to handle this differently
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return None
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await bot.send_dm(user_id, "I didn't understand that timezone format. Please say something like:\n"
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'- "UTC-8" or "-8" for Pacific Time\n'
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'- "UTC+1" or "+1" for Central European Time\n'
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'- "PST", "EST", "CST", "MST" for US timezones')
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return None
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# Check if user has timezone set in preferences
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resp, status = api_request("get", "/api/preferences", token)
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if status == 200 and resp:
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offset = resp.get("timezone_offset")
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if offset is not None:
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return offset
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# No timezone set - need to ask user
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return None
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def _parse_timezone(user_input):
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"""Parse timezone string to offset in minutes.
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Examples:
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"UTC-8" -> 480 (8 hours behind UTC)
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"-8" -> 480
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"PST" -> 480
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"EST" -> 300
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"+5:30" -> -330
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Returns offset in minutes (positive = behind UTC) or None if invalid.
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"""
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user_input = user_input.strip().upper()
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# Common timezone abbreviations
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tz_map = {
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"PST": 480,
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"PDT": 420,
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"MST": 420,
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"MDT": 360,
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"CST": 360,
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"CDT": 300,
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"EST": 300,
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"EDT": 240,
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"GMT": 0,
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"UTC": 0,
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}
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if user_input in tz_map:
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return tz_map[user_input]
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# Try to parse offset format
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# Remove UTC prefix if present
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if user_input.startswith("UTC"):
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user_input = user_input[3:]
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# Match patterns like -8, +5, -5:30, +5:30
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match = re.match(r"^([+-])?(\d+)(?::(\d+))?$", user_input)
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if match:
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sign = -1 if match.group(1) == "-" else 1
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hours = int(match.group(2))
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minutes = int(match.group(3)) if match.group(3) else 0
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# Convert to offset minutes (positive = behind UTC)
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# If user says UTC-8, they're 8 hours BEHIND UTC, so offset is +480
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offset_minutes = (hours * 60 + minutes) * sign * -1
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return offset_minutes
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return None
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async def _get_scheduled_time_from_context(message, med_name):
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"""Fetch recent messages and extract scheduled time from medication reminder.
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Looks for bot messages in the last 10 messages that match the pattern:
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"Time to take {med_name} (...) · HH:MM"
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Returns the scheduled time string (e.g., "12:00") or None if not found.
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"""
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try:
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print(
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f"[DEBUG] Looking for reminder for '{med_name}' in channel history",
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flush=True,
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)
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# Get last 10 messages from channel history (increased from 5)
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async for msg in message.channel.history(limit=10):
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# Skip the current message
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if msg.id == message.id:
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continue
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# Check if this is a bot message
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if not msg.author.bot:
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continue
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content = msg.content
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print(f"[DEBUG] Checking bot message: {content[:100]}...", flush=True)
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# Look for reminder pattern: "Time to take {med_name} (...) · HH:MM"
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# First try exact match
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pattern = rf"Time to take {re.escape(med_name)}.*?·\s*(\d{{1,2}}:\d{{2}})"
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match = re.search(pattern, content, re.IGNORECASE)
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if match:
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scheduled_time = match.group(1)
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print(f"[DEBUG] Found scheduled time: {scheduled_time}", flush=True)
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return scheduled_time
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# If no exact match, try to extract any medication name from reminder
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# Pattern: "Time to take (name) (dosage) · time"
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general_pattern = r"Time to take\s+(\w+)\s+\(.*?\)\s+·\s*(\d{1,2}:\d{2})"
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general_match = re.search(general_pattern, content, re.IGNORECASE)
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if general_match:
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reminder_med_name = general_match.group(1)
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# Check if the names match (case insensitive, or one contains the other)
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if (
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med_name.lower() in reminder_med_name.lower()
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or reminder_med_name.lower() in med_name.lower()
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):
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scheduled_time = general_match.group(2)
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print(
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f"[DEBUG] Found scheduled time via partial match: {scheduled_time}",
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flush=True,
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)
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return scheduled_time
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print(f"[DEBUG] No reminder found for '{med_name}'", flush=True)
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except Exception as e:
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print(f"[DEBUG] Error in _get_scheduled_time_from_context: {e}", flush=True)
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return None
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async def handle_medication(message, session, parsed):
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action = parsed.get("action", "unknown")
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token = session["token"]
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user_uuid = session["user_uuid"]
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if action == "list":
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resp, status = api_request("get", "/api/medications", token)
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if status == 200:
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meds = resp if isinstance(resp, list) else []
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if not meds:
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await message.channel.send("You don't have any medications yet.")
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else:
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lines = [
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f"- **{m['name']}**: {m['dosage']} {m['unit']} ({m.get('frequency', 'n/a')})"
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for m in meds
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]
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await message.channel.send("**Your medications:**\n" + "\n".join(lines))
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else:
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await message.channel.send(
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f"Error: {resp.get('error', 'Failed to fetch medications')}"
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)
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elif action == "add":
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name = parsed.get("name")
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dosage = parsed.get("dosage")
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unit = parsed.get("unit", "mg")
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frequency = parsed.get("frequency", "daily")
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times = parsed.get("times", ["08:00"])
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days_of_week = parsed.get("days_of_week", [])
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interval_days = parsed.get("interval_days")
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needs_confirmation = parsed.get("needs_confirmation", False)
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confirmation_prompt = parsed.get("confirmation_prompt")
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if not name or not dosage:
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await message.channel.send("Please provide medication name and dosage.")
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return
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# Handle confirmation
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if needs_confirmation:
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# Store pending action in session for confirmation
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if "pending_confirmations" not in session:
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session["pending_confirmations"] = {}
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confirmation_id = f"med_add_{name}"
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session["pending_confirmations"][confirmation_id] = {
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"action": "add",
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"name": name,
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"dosage": dosage,
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"unit": unit,
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"frequency": frequency,
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"times": times,
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"days_of_week": days_of_week,
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"interval_days": interval_days,
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}
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schedule_desc = _format_schedule(
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frequency, times, days_of_week, interval_days
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)
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await message.channel.send(
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f"{confirmation_prompt}\n\n"
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f"**Details:**\n"
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f"- Name: {name}\n"
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f"- Dosage: {dosage} {unit}\n"
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f"- Schedule: {schedule_desc}\n\n"
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f"Reply **yes** to confirm, or **no** to cancel."
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)
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return
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await _add_medication(
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message,
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token,
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name,
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dosage,
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unit,
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frequency,
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times,
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days_of_week,
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interval_days,
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)
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elif action == "take":
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med_id = parsed.get("medication_id")
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name = parsed.get("name")
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med_id, name, found = await _find_medication_by_name(
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message, token, med_id, name
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)
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if not found:
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return
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if not med_id:
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await message.channel.send("Which medication did you take?")
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return
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# Check if we have user's timezone
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timezone_offset = await _get_user_timezone(message, session, token)
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if timezone_offset is None:
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# Need to ask for timezone first
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if "pending_confirmations" not in session:
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session["pending_confirmations"] = {}
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# Store that we're waiting for timezone, along with the med info
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session["pending_confirmations"]["timezone"] = {
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"action": "take",
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"medication_id": med_id,
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"name": name,
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}
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await message.channel.send(
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"📍 I need to know your timezone to track medications correctly.\n\n"
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'What timezone are you in? (e.g., "UTC-8", "PST", "EST", "+1")'
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)
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return
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# Try to get scheduled time from recent reminder context
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scheduled_time = await _get_scheduled_time_from_context(message, name)
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# If not found in context, calculate from medication schedule
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if not scheduled_time:
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# Get medication details to find scheduled times
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med_resp, med_status = api_request(
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"get", f"/api/medications/{med_id}", token
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)
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if med_status == 200 and med_resp:
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times = med_resp.get("times", [])
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scheduled_time = _get_nearest_scheduled_time(times, timezone_offset)
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# Build request body with scheduled_time if found
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request_body = {}
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if scheduled_time:
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request_body["scheduled_time"] = scheduled_time
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resp, status = api_request(
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"post", f"/api/medications/{med_id}/take", token, request_body
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)
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if status == 201:
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if scheduled_time:
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await message.channel.send(
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f"✅ Logged **{name}** for {scheduled_time}! Great job staying on track."
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)
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else:
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await message.channel.send(
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f"Logged **{name}**! Great job staying on track."
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)
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else:
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await message.channel.send(f"Error: {resp.get('error', 'Failed to log')}")
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elif action == "skip":
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med_id = parsed.get("medication_id")
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name = parsed.get("name")
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reason = parsed.get("reason", "Skipped by user")
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med_id, name, found = await _find_medication_by_name(
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message, token, med_id, name
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)
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if not found:
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return
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if not med_id:
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await message.channel.send("Which medication are you skipping?")
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return
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# Try to get scheduled time from recent reminder context
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scheduled_time = await _get_scheduled_time_from_context(message, name)
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# Build request body with scheduled_time if found
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request_body = {"reason": reason}
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if scheduled_time:
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request_body["scheduled_time"] = scheduled_time
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resp, status = api_request(
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"post", f"/api/medications/{med_id}/skip", token, request_body
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)
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if status == 201:
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await message.channel.send(f"Skipped **{name}**. {reason}")
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else:
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await message.channel.send(f"Error: {resp.get('error', 'Failed to log')}")
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elif action == "today":
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resp, status = api_request("get", "/api/medications/today", token)
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if status == 200:
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meds = resp if isinstance(resp, list) else []
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if not meds:
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await message.channel.send("No medications scheduled for today!")
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else:
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lines = []
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for item in meds:
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med = item.get("medication", {})
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times = item.get("scheduled_times", [])
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taken = item.get("taken_times", [])
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skipped = item.get("skipped_times", [])
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is_prn = item.get("is_prn", False)
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med_name = med.get("name", "Unknown")
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dosage = f"{med.get('dosage', '')} {med.get('unit', '')}".strip()
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if is_prn:
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status_icon = "💊"
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lines.append(
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f"{status_icon} **{med_name}** {dosage} (as needed)"
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)
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elif times:
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for time in times:
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if time in taken:
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status_icon = "✅"
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elif time in skipped:
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status_icon = "⏭️"
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else:
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status_icon = "⏰"
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lines.append(
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f"{status_icon} **{med_name}** {dosage} at {time}"
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)
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else:
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lines.append(f"💊 **{med_name}** {dosage}")
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await message.channel.send(
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"**Today's Medications:**\n" + "\n".join(lines)
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)
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else:
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error_msg = "Failed to fetch today's schedule"
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await message.channel.send(f"Error: {resp.get('error', error_msg)}")
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elif action == "refills":
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resp, status = api_request("get", "/api/medications/refills-due", token)
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if status == 200:
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meds = resp if isinstance(resp, list) else []
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if not meds:
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await message.channel.send("No refills due soon! 🎉")
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else:
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lines = []
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for med in meds:
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name = med.get("name", "Unknown")
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qty = med.get("quantity_remaining")
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refill_date = med.get("refill_date")
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if qty is not None and qty <= 7:
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lines.append(f"⚠️ **{name}**: Only {qty} remaining")
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elif refill_date:
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lines.append(f"📅 **{name}**: Refill due by {refill_date}")
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await message.channel.send("**Refills Due:**\n" + "\n".join(lines))
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else:
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await message.channel.send(
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f"Error: {resp.get('error', 'Failed to fetch refills')}"
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)
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elif action == "snooze":
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med_id = parsed.get("medication_id")
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name = parsed.get("name")
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minutes = parsed.get("minutes", 15)
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med_id, name, found = await _find_medication_by_name(
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message, token, med_id, name
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)
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if not found:
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return
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if not med_id:
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await message.channel.send("Which medication reminder should I snooze?")
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return
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resp, status = api_request(
|
|
"post", f"/api/medications/{med_id}/snooze", token, {"minutes": minutes}
|
|
)
|
|
if status == 200:
|
|
await message.channel.send(f"⏰ Snoozed **{name}** for {minutes} minutes.")
|
|
else:
|
|
await message.channel.send(
|
|
f"Error: {resp.get('error', 'Failed to snooze')}"
|
|
)
|
|
|
|
elif action == "adherence":
|
|
med_id = parsed.get("medication_id")
|
|
name = parsed.get("name")
|
|
|
|
if name and not med_id:
|
|
# Look up by name first
|
|
med_id, name, found = await _find_medication_by_name(
|
|
message, token, None, name
|
|
)
|
|
if not found:
|
|
return
|
|
|
|
if med_id:
|
|
resp, status = api_request(
|
|
"get", f"/api/medications/{med_id}/adherence", token
|
|
)
|
|
else:
|
|
resp, status = api_request("get", "/api/medications/adherence", token)
|
|
|
|
if status == 200:
|
|
if isinstance(resp, list):
|
|
lines = []
|
|
for m in resp:
|
|
adherence = m.get("adherence_percent")
|
|
if adherence is not None:
|
|
lines.append(
|
|
f"- **{m['name']}**: {adherence}% adherence ({m.get('taken', 0)}/{m.get('expected', 0)} doses)"
|
|
)
|
|
else:
|
|
lines.append(
|
|
f"- **{m['name']}**: PRN medication (no adherence tracking)"
|
|
)
|
|
await message.channel.send("**Adherence Stats:**\n" + "\n".join(lines))
|
|
else:
|
|
adherence = resp.get("adherence_percent")
|
|
if adherence is not None:
|
|
await message.channel.send(
|
|
f"**{resp.get('name')}**:\n"
|
|
f"- Adherence: {adherence}%\n"
|
|
f"- Taken: {resp.get('taken', 0)}/{resp.get('expected', 0)} doses\n"
|
|
f"- Skipped: {resp.get('skipped', 0)}"
|
|
)
|
|
else:
|
|
await message.channel.send(
|
|
f"**{resp.get('name')}**: PRN medication (no adherence tracking)"
|
|
)
|
|
else:
|
|
await message.channel.send(
|
|
f"Error: {resp.get('error', 'Failed to fetch adherence')}"
|
|
)
|
|
|
|
elif action == "delete":
|
|
med_id = parsed.get("medication_id")
|
|
name = parsed.get("name")
|
|
needs_confirmation = parsed.get("needs_confirmation", True)
|
|
|
|
med_id, name, found = await _find_medication_by_name(
|
|
message, token, med_id, name
|
|
)
|
|
if not found:
|
|
return
|
|
|
|
if not med_id:
|
|
await message.channel.send("Which medication should I delete?")
|
|
return
|
|
|
|
# Handle confirmation
|
|
if needs_confirmation:
|
|
if "pending_confirmations" not in session:
|
|
session["pending_confirmations"] = {}
|
|
|
|
confirmation_id = f"med_delete_{name}"
|
|
session["pending_confirmations"][confirmation_id] = {
|
|
"action": "delete",
|
|
"interaction_type": "medication",
|
|
"medication_id": med_id,
|
|
"name": name,
|
|
"needs_confirmation": False, # Skip confirmation next time
|
|
}
|
|
|
|
await message.channel.send(
|
|
f"⚠️ Are you sure you want to delete **{name}**?\n\n"
|
|
f"This will also delete all logs for this medication.\n\n"
|
|
f"Reply **yes** to confirm deletion, or **no** to cancel."
|
|
)
|
|
return
|
|
|
|
# Actually delete
|
|
resp, status = api_request("delete", f"/api/medications/{med_id}", token)
|
|
if status == 200:
|
|
await message.channel.send(f"🗑️ Deleted **{name}** and all its logs.")
|
|
else:
|
|
await message.channel.send(
|
|
f"Error: {resp.get('error', 'Failed to delete medication')}"
|
|
)
|
|
|
|
else:
|
|
await message.channel.send(
|
|
f"Unknown action: {action}. Try: list, add, delete, take, skip, today, refills, snooze, or adherence."
|
|
)
|
|
|
|
|
|
async def _add_medication(
|
|
message, token, name, dosage, unit, frequency, times, days_of_week, interval_days
|
|
):
|
|
"""Helper to add a medication."""
|
|
data = {
|
|
"name": name,
|
|
"dosage": dosage,
|
|
"unit": unit,
|
|
"frequency": frequency,
|
|
"times": times,
|
|
}
|
|
|
|
# Add optional fields if present
|
|
if days_of_week:
|
|
data["days_of_week"] = days_of_week
|
|
if interval_days:
|
|
data["interval_days"] = interval_days
|
|
|
|
resp, status = api_request("post", "/api/medications", token, data)
|
|
if status == 201:
|
|
schedule_desc = _format_schedule(frequency, times, days_of_week, interval_days)
|
|
await message.channel.send(
|
|
f"✅ Added **{name}** ({dosage} {unit}) - {schedule_desc}"
|
|
)
|
|
else:
|
|
error_msg = resp.get("error", "Failed to add medication")
|
|
if "invalid input syntax" in error_msg.lower():
|
|
await message.channel.send(
|
|
f"Error: I couldn't understand the schedule format. Try saying it differently, like 'every day at 9am' or 'on Monday and Wednesday at 8pm'."
|
|
)
|
|
else:
|
|
await message.channel.send(f"Error: {error_msg}")
|
|
|
|
|
|
async def _find_medication_by_name(message, token, med_id, name):
|
|
"""Helper to find medication by name if ID not provided. Returns (med_id, name, found)."""
|
|
if med_id:
|
|
return med_id, name, True
|
|
|
|
if not name:
|
|
return None, None, True # Will prompt user later
|
|
|
|
# Look up medication by name
|
|
resp, status = api_request("get", "/api/medications", token)
|
|
if status != 200:
|
|
await message.channel.send("Error looking up medication. Please try again.")
|
|
return None, None, False
|
|
|
|
meds = resp if isinstance(resp, list) else []
|
|
|
|
# Try exact match first
|
|
matching = [m for m in meds if m["name"].lower() == name.lower()]
|
|
|
|
# Then try partial match
|
|
if not matching:
|
|
matching = [
|
|
m
|
|
for m in meds
|
|
if name.lower() in m["name"].lower() or m["name"].lower() in name.lower()
|
|
]
|
|
|
|
if not matching:
|
|
await message.channel.send(
|
|
f"❌ I couldn't find a medication called '{name}'.\n\nYour medications:\n"
|
|
+ "\n".join([f"- {m['name']}" for m in meds[:10]])
|
|
)
|
|
return None, None, False
|
|
|
|
if len(matching) > 1:
|
|
# Multiple matches - show list
|
|
lines = [f"{i + 1}. {m['name']}" for i, m in enumerate(matching[:5])]
|
|
await message.channel.send(
|
|
f"🔍 I found multiple medications matching '{name}':\n"
|
|
+ "\n".join(lines)
|
|
+ "\n\nPlease specify which one (e.g., 'take 1' or say the full name)."
|
|
)
|
|
return None, None, False
|
|
|
|
return matching[0]["id"], matching[0]["name"], True
|
|
|
|
|
|
def _format_schedule(frequency, times, days_of_week, interval_days):
|
|
"""Helper to format schedule description."""
|
|
if frequency == "daily":
|
|
return f"daily at {', '.join(times)}"
|
|
elif frequency == "twice_daily":
|
|
return f"twice daily at {', '.join(times)}"
|
|
elif frequency == "specific_days":
|
|
days_str = ", ".join(days_of_week) if days_of_week else "certain days"
|
|
return f"on {days_str} at {', '.join(times)}"
|
|
elif frequency == "every_n_days":
|
|
return f"every {interval_days} days at {', '.join(times)}"
|
|
elif frequency == "as_needed":
|
|
return "as needed"
|
|
else:
|
|
return f"{frequency} at {', '.join(times)}"
|
|
|
|
|
|
def api_request(method, endpoint, token, data=None):
|
|
import requests
|
|
import os
|
|
|
|
API_URL = os.getenv("API_URL", "http://app:5000")
|
|
url = f"{API_URL}{endpoint}"
|
|
headers = {"Content-Type": "application/json", "Authorization": f"Bearer {token}"}
|
|
try:
|
|
resp = getattr(requests, method)(url, headers=headers, json=data, timeout=10)
|
|
try:
|
|
return resp.json(), resp.status_code
|
|
except ValueError:
|
|
return {}, resp.status_code
|
|
except requests.RequestException:
|
|
return {"error": "API unavailable"}, 503
|
|
|
|
|
|
def validate_medication_json(data):
|
|
errors = []
|
|
if not isinstance(data, dict):
|
|
return ["Response must be a JSON object"]
|
|
if "error" in data:
|
|
return []
|
|
if "action" not in data:
|
|
errors.append("Missing required field: action")
|
|
return errors
|
|
|
|
|
|
register_module("medication", handle_medication)
|
|
ai_parser.register_validator("medication", validate_medication_json)
|