imap-mail-filter-service/app/routers/filters.py

135 lines
4.3 KiB
Python

from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session
import logging
from app.database import get_db
from app.models.db_models import Account, FilterAction, FilterCondition, FilterRule, ProcessedMail
from app.schemas.schemas import FilterRuleCreate, FilterRuleResponse, FilterRuleUpdate
logger = logging.getLogger(__name__)
def _reset_processed_for_rule(db: Session, rule_id: int) -> int:
"""Reset processed mails for a specific rule so they get re-evaluated."""
count = (
db.query(ProcessedMail)
.filter(ProcessedMail.rule_id == rule_id)
.delete()
)
if count:
logger.info("Filter geändert: %d verarbeitete Mails für Regel %d zurückgesetzt", count, rule_id)
return count
router = APIRouter(prefix="/api/filters", tags=["filters"])
@router.get("/account/{account_id}", response_model=list[FilterRuleResponse])
def list_filters(account_id: int, db: Session = Depends(get_db)):
account = db.get(Account, account_id)
if not account:
raise HTTPException(404, "Konto nicht gefunden")
rules = (
db.query(FilterRule)
.filter(FilterRule.account_id == account_id)
.order_by(FilterRule.priority)
.all()
)
return rules
@router.get("/{rule_id}", response_model=FilterRuleResponse)
def get_filter(rule_id: int, db: Session = Depends(get_db)):
rule = db.get(FilterRule, rule_id)
if not rule:
raise HTTPException(404, "Filterregel nicht gefunden")
return rule
@router.post("/", response_model=FilterRuleResponse, status_code=201)
def create_filter(data: FilterRuleCreate, db: Session = Depends(get_db)):
account = db.get(Account, data.account_id)
if not account:
raise HTTPException(404, "Konto nicht gefunden")
rule = FilterRule(
account_id=data.account_id,
name=data.name,
priority=data.priority,
enabled=data.enabled,
stop_processing=data.stop_processing,
source_folder=data.source_folder,
)
db.add(rule)
db.flush()
for cond_data in data.conditions:
cond = FilterCondition(rule_id=rule.id, **cond_data.model_dump())
db.add(cond)
for action_data in data.actions:
action = FilterAction(rule_id=rule.id, **action_data.model_dump())
db.add(action)
# Neue Regel → hat noch keinen processed-Status, wird automatisch alle Mails prüfen
db.commit()
db.refresh(rule)
return rule
@router.put("/{rule_id}", response_model=FilterRuleResponse)
def update_filter(rule_id: int, data: FilterRuleUpdate, db: Session = Depends(get_db)):
rule = db.get(FilterRule, rule_id)
if not rule:
raise HTTPException(404, "Filterregel nicht gefunden")
update_data = data.model_dump(exclude_unset=True)
# Update conditions if provided
if "conditions" in update_data:
for cond in rule.conditions:
db.delete(cond)
for cond_data in data.conditions:
cond = FilterCondition(rule_id=rule.id, **cond_data.model_dump())
db.add(cond)
del update_data["conditions"]
# Update actions if provided
if "actions" in update_data:
for action in rule.actions:
db.delete(action)
for action_data in data.actions:
action = FilterAction(rule_id=rule.id, **action_data.model_dump())
db.add(action)
del update_data["actions"]
for key, value in update_data.items():
setattr(rule, key, value)
# Regel geändert → nur diese Regel zurücksetzen
_reset_processed_for_rule(db, rule.id)
db.commit()
db.refresh(rule)
return rule
@router.delete("/{rule_id}", status_code=204)
def delete_filter(rule_id: int, db: Session = Depends(get_db)):
rule = db.get(FilterRule, rule_id)
if not rule:
raise HTTPException(404, "Filterregel nicht gefunden")
# processed-Einträge werden per CASCADE gelöscht
db.delete(rule)
db.commit()
@router.put("/reorder/{account_id}")
def reorder_filters(account_id: int, rule_ids: list[int], db: Session = Depends(get_db)):
for priority, rule_id in enumerate(rule_ids):
rule = db.get(FilterRule, rule_id)
if rule and rule.account_id == account_id:
rule.priority = priority
db.commit()
return {"message": "Reihenfolge aktualisiert"}