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from datetime import datetime
from typing import Optional
from uuid import UUID
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import selectinload
from Backend.core.events import Event, event_bus
from Backend.core.logging import get_logger
from Backend.core.config import settings
from Backend.database.models import Classification, Issue, IssueEvent, Member
from Backend.orchestration.base import BaseAgent
from Backend.services.email import email_service
logger = get_logger(__name__, agent_name="NotificationAgent")
class NotificationSent(Event):
notification_type: str
recipients: list[str]
message: str
class NotificationAgent(BaseAgent):
def __init__(self, db: AsyncSession):
super().__init__("NotificationAgent")
self.db = db
self.pending_notifications: list[dict] = []
async def get_issue_with_classification(self, issue_id: UUID) -> Optional[Issue]:
query = (
select(Issue)
.options(selectinload(Issue.classification))
.where(Issue.id == issue_id)
)
result = await self.db.execute(query)
return result.scalar_one_or_none()
def format_issue_summary(self, issue: Issue) -> str:
category = (
issue.classification.primary_category if issue.classification else "Unknown"
)
priority_map = {1: "CRITICAL", 2: "HIGH", 3: "MEDIUM", 4: "LOW"}
priority_str = priority_map.get(issue.priority, "UNKNOWN")
return (
f"Issue #{str(issue.id)[:8]}\n"
f"Category: {category}\n"
f"Priority: {priority_str}\n"
f"Location: ({issue.latitude:.4f}, {issue.longitude:.4f})\n"
f"Description: {issue.description or 'No description'}\n"
f"State: {issue.state}"
)
async def queue_notification(
self,
notification_type: str,
recipients: list[str],
subject: str,
message: str,
issue_id: Optional[UUID] = None,
):
notification = {
"type": notification_type,
"recipients": recipients,
"subject": subject,
"message": message,
"issue_id": str(issue_id) if issue_id else None,
"queued_at": datetime.utcnow().isoformat(),
}
self.pending_notifications.append(notification)
logger.info(f"Notification queued: {notification_type} to {recipients}")
if issue_id:
event_record = IssueEvent(
issue_id=issue_id,
event_type="notification_queued",
agent_name=self.name,
event_data=json.dumps(notification),
)
self.db.add(event_record)
await self.db.flush()
return notification
async def notify_assignment(self, issue_id: UUID):
issue = await self.get_issue_with_classification(issue_id)
if not issue:
return
recipients = []
worker_name = "Worker"
if issue.assigned_member_id:
query = select(Member).where(Member.id == issue.assigned_member_id)
result = await self.db.execute(query)
member = result.scalar_one_or_none()
if member:
recipients.append(member.email)
worker_name = member.name
category = (
issue.classification.primary_category
if issue.classification
else "Unknown"
)
priority_map = {1: "CRITICAL", 2: "HIGH", 3: "MEDIUM", 4: "LOW"}
priority_str = priority_map.get(issue.priority, "UNKNOWN")
location = f"({issue.latitude:.4f}, {issue.longitude:.4f})"
try:
await email_service.send_assignment_email(
worker_email=member.email,
worker_name=worker_name,
issue_id=str(issue.id)[:8],
category=category,
priority=priority_str,
location=location,
description=issue.description or "No description"
)
logger.info(f"Assignment email sent to {member.email}")
except Exception as e:
logger.error(f"Failed to send assignment email: {e}")
if recipients:
summary = self.format_issue_summary(issue)
await self.queue_notification(
notification_type="assignment",
recipients=recipients,
subject=f"New Issue Assigned: #{str(issue.id)[:8]}",
message=f"You have been assigned a new issue:\n\n{summary}",
issue_id=issue_id,
)
async def notify_escalation(self, issue_id: UUID, reason: str, targets: list[str]):
issue = await self.get_issue_with_classification(issue_id)
if not issue:
return
category = (
issue.classification.primary_category
if issue.classification
else "Unknown"
)
priority_map = {1: "CRITICAL", 2: "HIGH", 3: "MEDIUM", 4: "LOW"}
priority_str = priority_map.get(issue.priority, "UNKNOWN")
for target in targets:
try:
await email_service.send_escalation_email(
admin_email=target,
issue_id=str(issue.id)[:8],
category=category,
priority=priority_str,
reason=reason,
escalation_level=issue.escalation_level
)
logger.info(f"Escalation email sent to {target}")
except Exception as e:
logger.error(f"Failed to send escalation email: {e}")
summary = self.format_issue_summary(issue)
await self.queue_notification(
notification_type="escalation",
recipients=targets,
subject=f"ESCALATION: Issue #{str(issue.id)[:8]} - Level {issue.escalation_level}",
message=f"Issue has been escalated:\n\nReason: {reason}\n\n{summary}",
issue_id=issue_id,
)
async def notify_resolution(self, issue_id: UUID):
issue = await self.get_issue_with_classification(issue_id)
if not issue:
return
category = (
issue.classification.primary_category
if issue.classification
else "Unknown"
)
location = f"({issue.latitude:.4f}, {issue.longitude:.4f})"
if issue.user_id:
try:
await email_service.send_completion_email(
user_email=issue.user_id,
issue_id=str(issue.id)[:8],
category=category,
location=location,
resolution_notes=issue.resolution_notes or "Issue resolved successfully"
)
logger.info(f"Resolution email sent to user {issue.user_id}")
except Exception as e:
logger.error(f"Failed to send resolution email: {e}")
await self.queue_notification(
notification_type="resolution",
recipients=[settings.admin_email],
subject=f"Issue Resolved: #{str(issue.id)[:8]}",
message=f"Issue has been marked as resolved.\n\n{self.format_issue_summary(issue)}",
issue_id=issue_id,
)
async def notify_manual_review(self, issue_id: UUID, reason: str):
issue = await self.get_issue_with_classification(issue_id)
if not issue:
return
category = (
issue.classification.primary_category
if issue.classification
else "Unknown"
)
location = f"({issue.latitude:.4f}, {issue.longitude:.4f})"
image_url = f"{settings.supabase_url}/storage/v1/object/public/{settings.supabase_bucket}/{issue.id}/original.jpg"
try:
await email_service.send_manual_review_email(
issue_id=str(issue.id)[:8],
reason=reason,
category=category,
location=location,
image_url=image_url
)
logger.info(f"Manual review email sent to admin")
except Exception as e:
logger.error(f"Failed to send manual review email: {e}")
await self.queue_notification(
notification_type="manual_review",
recipients=[settings.admin_email],
subject=f"Manual Review Required: #{str(issue.id)[:8]}",
message=f"Issue requires manual review.\n\nReason: {reason}\n\n{self.format_issue_summary(issue)}",
issue_id=issue_id,
)
async def notify_user_confirmation(self, issue_id: UUID):
issue = await self.get_issue_with_classification(issue_id)
if not issue:
return
category = (
issue.classification.primary_category
if issue.classification
else "Unknown"
)
confirmation_link = f"https://app.citytrack.city/confirm/{issue.id}"
if issue.user_id:
try:
await email_service.send_confirmation_request_email(
user_email=issue.user_id,
issue_id=str(issue.id)[:8],
category=category,
confirmation_link=confirmation_link
)
logger.info(f"Confirmation request email sent to user {issue.user_id}")
except Exception as e:
logger.error(f"Failed to send confirmation email: {e}")
await self.queue_notification(
notification_type="user_confirmation",
recipients=[issue.user_id] if issue.user_id else [],
subject=f"Please Confirm Resolution: #{str(issue.id)[:8]}",
message=f"Please confirm if this issue has been resolved.\n\n{self.format_issue_summary(issue)}",
issue_id=issue_id,
)
async def notify_issue_accepted(self, issue_id: UUID, accepted_by: str = "automatic"):
issue = await self.get_issue_with_classification(issue_id)
if not issue:
return
category = (
issue.classification.primary_category
if issue.classification
else "Unknown"
)
priority_map = {1: "CRITICAL", 2: "HIGH", 3: "MEDIUM", 4: "LOW"}
priority_str = priority_map.get(issue.priority, "UNKNOWN")
location = f"({issue.latitude:.4f}, {issue.longitude:.4f})"
tracking_url = f"https://app.citytrack.city/track/{issue.id}"
if issue.user_id:
try:
await email_service.send_issue_accepted_email(
user_email=issue.user_id,
issue_id=str(issue.id)[:8],
category=category,
priority=priority_str,
location=location,
accepted_by=accepted_by,
tracking_url=tracking_url
)
logger.info(f"Issue accepted email sent to user {issue.user_id} ({accepted_by})")
except Exception as e:
logger.error(f"Failed to send issue accepted email: {e}")
await self.queue_notification(
notification_type="issue_accepted",
recipients=[issue.user_id] if issue.user_id else [],
subject=f"Issue Accepted: #{str(issue.id)[:8]}",
message=f"Your issue has been accepted {accepted_by}.\n\n{self.format_issue_summary(issue)}",
issue_id=issue_id,
)
async def process_issue(
self, issue_id: UUID, event_type: str = "assignment"
) -> dict:
if event_type == "assignment":
await self.notify_assignment(issue_id)
elif event_type == "resolution":
await self.notify_resolution(issue_id)
elif event_type == "escalation":
await self.notify_escalation(issue_id, "SLA breach or priority escalation", [settings.admin_email])
elif event_type == "manual_review":
await self.notify_manual_review(issue_id, "Requires admin attention")
elif event_type == "user_confirmation":
await self.notify_user_confirmation(issue_id)
elif event_type == "issue_accepted":
accepted_by = "automatic"
await self.notify_issue_accepted(issue_id, accepted_by)
elif event_type == "issue_accepted_manual":
await self.notify_issue_accepted(issue_id, "manual")
return {"queued": len(self.pending_notifications)}
async def handle(self, event) -> None:
event_type = getattr(event, "notification_type", "assignment")
await self.process_issue(event.issue_id, event_type)
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