Files
govoplan-campaign/src/govoplan_campaign/backend/reports/emailing.py
2026-06-25 19:58:20 +02:00

225 lines
7.5 KiB
Python

from __future__ import annotations
import json
from dataclasses import dataclass
from email.message import EmailMessage
from email.utils import formataddr
from typing import Any
from sqlalchemy.orm import Session
from govoplan_campaign.backend.db.models import Campaign, CampaignVersion
from govoplan_campaign.backend.campaign.loader import load_campaign_config
from govoplan_campaign.backend.campaign.models import CampaignConfig, SmtpConfig
from govoplan_campaign.backend.persistence.campaigns import _write_campaign_snapshot
from govoplan_campaign.backend.reports.campaigns import CampaignReportError, generate_campaign_report, generate_jobs_csv
from govoplan_campaign.backend.integrations import SmtpConfigurationError, mail_integration
class CampaignReportEmailError(RuntimeError):
pass
@dataclass(slots=True)
class CampaignReportEmailResult:
campaign_id: str
version_id: str
to: list[str]
subject: str
dry_run: bool
sent: bool
attached_jobs_csv: bool
attached_report_json: bool
smtp_host: str | None = None
smtp_port: int | None = None
accepted_count: int | None = None
def as_dict(self) -> dict[str, Any]:
return {
"campaign_id": self.campaign_id,
"version_id": self.version_id,
"to": self.to,
"subject": self.subject,
"dry_run": self.dry_run,
"sent": self.sent,
"attached_jobs_csv": self.attached_jobs_csv,
"attached_report_json": self.attached_report_json,
"smtp_host": self.smtp_host,
"smtp_port": self.smtp_port,
"accepted_count": self.accepted_count,
}
def _selected_version(
session: Session,
campaign: Campaign,
version_id: str | None = None,
) -> CampaignVersion:
wanted = version_id or campaign.current_version_id
version = session.get(CampaignVersion, wanted) if wanted else None
if version is None or version.campaign_id != campaign.id:
raise CampaignReportEmailError("Campaign version not found")
return version
def _load_config(version: CampaignVersion) -> CampaignConfig:
snapshot_path = _write_campaign_snapshot(version)
return load_campaign_config(snapshot_path)
def _effective_from(config: CampaignConfig) -> tuple[str, str | None]:
if config.recipients.from_:
return config.recipients.from_[0].email, config.recipients.from_[0].name
smtp_config = config.server.runtime_smtp_config()
if smtp_config and smtp_config.username and "@" in smtp_config.username:
return smtp_config.username, None
raise SmtpConfigurationError("Report email requires a recipients.from address or an SMTP username that is an email address")
def _text_summary(report: dict[str, Any]) -> str:
campaign = report["campaign"]
cards = report["cards"]
status = report["status_counts"]
delivery = report.get("delivery", {})
lines = [
f"Campaign report: {campaign['name']}",
"",
f"Campaign ID: {campaign['id']}",
f"External ID: {campaign['external_id']}",
f"Status: {campaign['status']}",
"",
"Overview",
f"- Jobs total: {cards['jobs_total']}",
f"- Queueable: {cards['queueable']}",
f"- Needs attention: {cards['needs_attention']}",
f"- Sent: {cards['sent']}",
f"- Failed: {cards['failed']}",
f"- IMAP appended: {cards['imap_appended']}",
f"- IMAP failed: {cards['imap_failed']}",
"",
f"Build status: {status.get('build', {})}",
f"Validation status: {status.get('validation', {})}",
f"Queue status: {status.get('queue', {})}",
f"Send status: {status.get('send', {})}",
f"IMAP status: {status.get('imap', {})}",
]
if delivery.get("estimated_remaining_send_human"):
lines.extend(["", f"Estimated remaining send time: {delivery['estimated_remaining_send_human']}"])
lines.extend(["", "This report was generated by MultiMailer."])
return "\n".join(lines)
def build_report_message(
*,
campaign: Campaign,
config: CampaignConfig,
report: dict[str, Any],
to: list[str],
jobs_csv: str | None = None,
report_json: dict[str, Any] | None = None,
) -> EmailMessage:
from_email, from_name = _effective_from(config)
subject = f"MultiMailer report: {campaign.name}"
msg = EmailMessage()
msg["Subject"] = subject
msg["From"] = formataddr((from_name or from_email, from_email))
msg["To"] = ", ".join(to)
msg["X-MultiMailer-Report"] = "campaign"
msg.set_content(_text_summary(report))
if jobs_csv is not None:
filename = f"multimailer-{campaign.external_id}-jobs.csv"
msg.add_attachment(jobs_csv.encode("utf-8"), maintype="text", subtype="csv", filename=filename)
if report_json is not None:
filename = f"multimailer-{campaign.external_id}-report.json"
msg.add_attachment(
json.dumps(report_json, indent=2, ensure_ascii=False, default=str).encode("utf-8"),
maintype="application",
subtype="json",
filename=filename,
)
return msg
def send_campaign_report_email(
session: Session,
*,
tenant_id: str,
campaign_id: str,
version_id: str | None = None,
to: list[str],
include_jobs: bool = False,
attach_jobs_csv: bool = True,
attach_report_json: bool = False,
dry_run: bool = False,
) -> CampaignReportEmailResult:
campaign = session.get(Campaign, campaign_id)
if not campaign or campaign.tenant_id != tenant_id:
raise CampaignReportError("Campaign not found")
if not to:
raise CampaignReportEmailError("At least one report recipient is required")
version = _selected_version(session, campaign, version_id)
config = _load_config(version)
smtp_config: SmtpConfig | None = config.server.runtime_smtp_config()
if smtp_config is None:
raise SmtpConfigurationError("Campaign has no SMTP configuration")
report = generate_campaign_report(
session,
tenant_id=tenant_id,
campaign_id=campaign_id,
version_id=version.id,
include_jobs=include_jobs,
)
jobs_csv = (
generate_jobs_csv(session, tenant_id=tenant_id, campaign_id=campaign_id, version_id=version.id)
if attach_jobs_csv
else None
)
report_json = report if attach_report_json else None
message = build_report_message(
campaign=campaign,
config=config,
report=report,
to=to,
jobs_csv=jobs_csv,
report_json=report_json,
)
envelope_from, _ = _effective_from(config)
if dry_run:
return CampaignReportEmailResult(
campaign_id=campaign.id,
version_id=version.id,
to=to,
subject=str(message["Subject"]),
dry_run=True,
sent=False,
attached_jobs_csv=jobs_csv is not None,
attached_report_json=report_json is not None,
smtp_host=smtp_config.host,
smtp_port=smtp_config.port,
)
result = mail_integration().send_email_message(
message,
smtp_config=smtp_config,
envelope_from=envelope_from,
envelope_recipients=to,
)
return CampaignReportEmailResult(
campaign_id=campaign.id,
version_id=version.id,
to=to,
subject=str(message["Subject"]),
dry_run=False,
sent=True,
attached_jobs_csv=jobs_csv is not None,
attached_report_json=report_json is not None,
smtp_host=result.host,
smtp_port=result.port,
accepted_count=result.accepted_count,
)