385 lines
16 KiB
Python
385 lines
16 KiB
Python
from __future__ import annotations
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import json
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from pathlib import Path
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from typing import Any
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import copy
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from sqlalchemy import func
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from sqlalchemy.orm import Session
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from app.db.models import (
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Campaign,
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CampaignIssue,
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CampaignJob,
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CampaignStatus,
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CampaignVersion,
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CampaignVersionWorkflowState,
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JobBuildStatus,
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JobImapStatus,
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JobQueueStatus,
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JobSendStatus,
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JobValidationStatus,
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)
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from app.mailer.campaign.loader import load_campaign_config
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from app.mailer.campaign.validation import Severity, validate_campaign_config
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from app.mailer.messages.builder import build_campaign_messages
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from app.mailer.messages.models import MessageDraft
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from app.storage.services import record_campaign_attachment_uses_for_job
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from app.storage.campaign_attachments import (
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annotate_built_messages_with_managed_files,
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prepared_campaign_snapshot,
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)
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RUNTIME_DIR = Path(__file__).resolve().parents[3] / "runtime"
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CAMPAIGN_SNAPSHOT_DIR = RUNTIME_DIR / "campaign_snapshots"
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BUILD_OUTPUT_DIR = RUNTIME_DIR / "generated_eml"
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class CampaignPersistenceError(RuntimeError):
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pass
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def _ensure_dirs() -> None:
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CAMPAIGN_SNAPSHOT_DIR.mkdir(parents=True, exist_ok=True)
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BUILD_OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
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def _write_campaign_snapshot(version: CampaignVersion) -> Path:
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_ensure_dirs()
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path = CAMPAIGN_SNAPSHOT_DIR / f"{version.id}.json"
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path.write_text(json.dumps(version.raw_json, ensure_ascii=False, indent=2), encoding="utf-8")
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return path
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def _next_version_number(session: Session, campaign_id: str) -> int:
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current = session.query(func.max(CampaignVersion.version_number)).filter(CampaignVersion.campaign_id == campaign_id).scalar()
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return int(current or 0) + 1
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def _resolve_runtime_path(base_path: Path | None, value: str | None) -> str | None:
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if not value or base_path is None:
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return value
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path = Path(value).expanduser()
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if path.is_absolute():
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return str(path)
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return str((base_path / path).resolve())
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def normalize_campaign_paths(raw_json: dict[str, Any], source_base_path: str | Path | None) -> dict[str, Any]:
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"""Return a DB/runtime-safe campaign JSON snapshot.
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The CLI naturally resolves relative paths against the campaign.json file.
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Once the campaign is stored in the database, the JSON snapshot lives in
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app/mailer/runtime/campaign_snapshots. To keep existing file-based
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campaigns working, relative file paths are normalized to absolute paths at
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import time when a source_base_path is known.
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"""
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base = Path(source_base_path).expanduser().resolve() if source_base_path else None
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data = copy.deepcopy(raw_json)
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template_source = data.get("template", {}).get("source") if isinstance(data.get("template"), dict) else None
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if isinstance(template_source, dict):
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for key in ("subject_path", "text_path", "html_path"):
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template_source[key] = _resolve_runtime_path(base, template_source.get(key))
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entries_source = data.get("entries", {}).get("source") if isinstance(data.get("entries"), dict) else None
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if isinstance(entries_source, dict):
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entries_source["path"] = _resolve_runtime_path(base, entries_source.get("path"))
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attachments = data.get("attachments")
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if isinstance(attachments, dict):
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attachments["base_path"] = _resolve_runtime_path(base, attachments.get("base_path")) or "."
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return data
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def create_campaign_version_from_json(
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session: Session,
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*,
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tenant_id: str,
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user_id: str | None,
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raw_json: dict[str, Any],
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source_filename: str | None = None,
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source_base_path: str | None = None,
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) -> tuple[Campaign, CampaignVersion]:
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if source_base_path is None and source_filename:
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source_path = Path(source_filename).expanduser()
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source_base_path = str(source_path.parent if source_path.suffix else source_path)
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runtime_json = normalize_campaign_paths(raw_json, source_base_path)
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# load_campaign_config is file-oriented. Use a temporary snapshot for schema/Pydantic validation.
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_ensure_dirs()
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tmp_path = CAMPAIGN_SNAPSHOT_DIR / "_incoming_campaign.json"
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tmp_path.write_text(json.dumps(runtime_json, ensure_ascii=False, indent=2), encoding="utf-8")
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config = load_campaign_config(tmp_path)
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campaign = (
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session.query(Campaign)
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.filter(Campaign.tenant_id == tenant_id, Campaign.external_id == config.campaign.id)
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.one_or_none()
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)
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if campaign is None:
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campaign = Campaign(
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tenant_id=tenant_id,
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created_by_user_id=user_id,
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external_id=config.campaign.id,
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name=config.campaign.name,
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description=config.campaign.description,
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status=CampaignStatus.DRAFT.value,
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)
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session.add(campaign)
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session.flush()
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else:
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campaign.name = config.campaign.name
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campaign.description = config.campaign.description
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version = CampaignVersion(
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campaign_id=campaign.id,
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version_number=_next_version_number(session, campaign.id),
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raw_json=runtime_json,
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schema_version=raw_json.get("version", "1.0"),
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source_filename=source_filename,
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source_base_path=source_base_path,
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)
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session.add(version)
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session.flush()
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campaign.current_version_id = version.id
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session.add(campaign)
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_write_campaign_snapshot(version)
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session.commit()
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return campaign, version
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def _version_is_user_locked(version: CampaignVersion) -> bool:
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return bool(version.published_at)
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def _version_is_validated_and_locked(version: CampaignVersion) -> bool:
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validation_summary = version.validation_summary if isinstance(version.validation_summary, dict) else {}
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return bool(version.locked_at and validation_summary.get("ok") is True and not _version_is_user_locked(version))
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def _ensure_version_validated_and_locked(version: CampaignVersion) -> None:
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if _version_is_user_locked(version):
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raise CampaignPersistenceError("User-locked audit-safe versions cannot be built, queued, dry-run or sent. Create an editable copy instead.")
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if not _version_is_validated_and_locked(version):
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raise CampaignPersistenceError("Campaign version must be validated and locked before building, queueing, dry-run or sending.")
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def load_version_config(session: Session, version_id: str):
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version = session.get(CampaignVersion, version_id)
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if not version:
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raise CampaignPersistenceError(f"Campaign version not found: {version_id}")
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path = _write_campaign_snapshot(version)
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return version, path, load_campaign_config(path)
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def validate_campaign_version(
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session: Session,
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*,
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tenant_id: str,
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version_id: str,
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check_files: bool = False,
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user_id: str | None = None,
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lock_on_success: bool = True,
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) -> dict[str, Any]:
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version, snapshot_path, config = load_version_config(session, version_id)
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campaign = session.get(Campaign, version.campaign_id)
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if not campaign or campaign.tenant_id != tenant_id:
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raise CampaignPersistenceError("Campaign version is not accessible for this tenant")
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if version.published_at or version.workflow_state in {
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CampaignVersionWorkflowState.QUEUED.value,
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CampaignVersionWorkflowState.SENDING.value,
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CampaignVersionWorkflowState.COMPLETED.value,
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CampaignVersionWorkflowState.CANCELLED.value,
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CampaignVersionWorkflowState.ARCHIVED.value,
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}:
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raise CampaignPersistenceError("Audit-safe/final campaign versions cannot be validated. Create an editable copy instead.")
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if check_files:
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with prepared_campaign_snapshot(
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session,
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tenant_id=tenant_id,
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campaign_id=campaign.id,
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raw_json=version.raw_json if isinstance(version.raw_json, dict) else {},
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include_bytes=False,
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prefix="multimailer-managed-validate-",
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) as prepared:
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managed_config = load_campaign_config(prepared.path)
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report = validate_campaign_config(managed_config, campaign_file=prepared.path, check_files=True)
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else:
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report = validate_campaign_config(config, campaign_file=snapshot_path, check_files=False)
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report_json = report.model_dump(mode="json")
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report_json.update({"ok": report.ok, "error_count": report.error_count, "warning_count": report.warning_count})
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version.validation_summary = report_json
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# Replace version-level semantic issues from previous validations.
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(
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session.query(CampaignIssue)
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.filter(CampaignIssue.campaign_version_id == version.id, CampaignIssue.job_id.is_(None))
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.delete(synchronize_session=False)
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)
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for issue in report.issues:
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session.add(
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CampaignIssue(
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tenant_id=tenant_id,
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campaign_id=campaign.id,
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campaign_version_id=version.id,
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severity=issue.severity.value,
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code=issue.code,
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message=issue.message,
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source=issue.path,
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)
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)
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campaign.status = CampaignStatus.VALIDATED.value if report.ok else CampaignStatus.NEEDS_REVIEW.value
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if report.ok:
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version.workflow_state = CampaignVersionWorkflowState.APPROVED.value
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version.is_complete = True
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if lock_on_success and version.locked_at is None:
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from datetime import UTC, datetime
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version.locked_at = datetime.now(UTC)
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version.locked_by_user_id = user_id
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else:
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version.workflow_state = CampaignVersionWorkflowState.EDITING.value
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session.add(version)
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session.add(campaign)
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session.commit()
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return report_json
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def _job_validation_status(value: str) -> str:
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allowed = {item.value for item in JobValidationStatus}
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return value if value in allowed else JobValidationStatus.NEEDS_REVIEW.value
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def _job_from_message(
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*,
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tenant_id: str,
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campaign_id: str,
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version_id: str,
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message: MessageDraft,
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) -> CampaignJob:
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recipient_email = message.to[0].email if message.to else None
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return CampaignJob(
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tenant_id=tenant_id,
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campaign_id=campaign_id,
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campaign_version_id=version_id,
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entry_index=message.entry_index,
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entry_id=message.entry_id,
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recipient_email=recipient_email,
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subject=message.subject,
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eml_local_path=message.eml_path,
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eml_size_bytes=message.eml_size_bytes,
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build_status=message.build_status.value if hasattr(message.build_status, "value") else str(message.build_status),
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validation_status=_job_validation_status(message.validation_status.value),
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queue_status=JobQueueStatus.DRAFT.value,
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send_status=JobSendStatus.NOT_QUEUED.value,
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imap_status=message.imap_status.value if hasattr(message.imap_status, "value") else JobImapStatus.NOT_REQUESTED.value,
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resolved_recipients={
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"from": message.from_.model_dump(mode="json") if message.from_ else None,
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"to": [item.model_dump(mode="json") for item in message.to],
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"cc": [item.model_dump(mode="json") for item in message.cc],
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"bcc": [item.model_dump(mode="json") for item in message.bcc],
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"reply_to": [item.model_dump(mode="json") for item in message.reply_to],
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"bounce_to": [item.model_dump(mode="json") for item in message.bounce_to],
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"disposition_notification_to": [item.model_dump(mode="json") for item in message.disposition_notification_to],
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},
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resolved_attachments=[item.model_dump(mode="json") for item in message.attachments],
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issues_snapshot=[item.model_dump(mode="json") for item in message.issues],
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last_error="; ".join(issue.message for issue in message.issues if issue.severity == "error") or None,
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)
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def build_campaign_version(
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session: Session,
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*,
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tenant_id: str,
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version_id: str,
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write_eml: bool = True,
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) -> dict[str, Any]:
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version, snapshot_path, config = load_version_config(session, version_id)
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campaign = session.get(Campaign, version.campaign_id)
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if not campaign or campaign.tenant_id != tenant_id:
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raise CampaignPersistenceError("Campaign version is not accessible for this tenant")
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if version.workflow_state == CampaignVersionWorkflowState.COMPLETED.value:
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raise CampaignPersistenceError("Sent campaign versions cannot be rebuilt")
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validation_summary = version.validation_summary if isinstance(version.validation_summary, dict) else {}
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if not validation_summary.get("ok"):
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raise CampaignPersistenceError("Campaign version must be successfully validated before messages are built")
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_ensure_version_validated_and_locked(version)
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output_dir = BUILD_OUTPUT_DIR / campaign.id / version.id
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with prepared_campaign_snapshot(
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session,
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tenant_id=tenant_id,
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campaign_id=campaign.id,
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raw_json=version.raw_json if isinstance(version.raw_json, dict) else {},
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include_bytes=True,
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prefix="multimailer-managed-build-",
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) as prepared:
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managed_config = load_campaign_config(prepared.path)
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result = build_campaign_messages(managed_config, campaign_file=prepared.path, output_dir=output_dir, write_eml=write_eml)
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annotate_built_messages_with_managed_files(result.built_messages, prepared.managed_files_by_local_path)
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report_json = result.report.model_dump(mode="json", by_alias=True)
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report_json.update({
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"built_count": result.report.built_count,
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"build_failed_count": result.report.build_failed_count,
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"ready_count": result.report.ready_count,
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"warning_count": result.report.warning_count,
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"needs_review_count": result.report.needs_review_count,
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"blocked_count": result.report.blocked_count,
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"excluded_count": result.report.excluded_count,
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"inactive_count": result.report.inactive_count,
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"queueable_count": result.report.queueable_count,
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})
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version.build_summary = report_json
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# Rebuild jobs for the current version. Later, protect sent jobs from destructive rebuilds.
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session.query(CampaignIssue).filter(CampaignIssue.campaign_version_id == version.id, CampaignIssue.job_id.is_not(None)).delete(synchronize_session=False)
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session.query(CampaignJob).filter(CampaignJob.campaign_version_id == version.id).delete(synchronize_session=False)
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session.flush()
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for built in result.built_messages:
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job = _job_from_message(
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tenant_id=tenant_id,
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campaign_id=campaign.id,
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version_id=version.id,
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message=built.draft,
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)
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session.add(job)
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session.flush()
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record_campaign_attachment_uses_for_job(session, job, stage="built")
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for issue in built.draft.issues:
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session.add(
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CampaignIssue(
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tenant_id=tenant_id,
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campaign_id=campaign.id,
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campaign_version_id=version.id,
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job_id=job.id,
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severity=issue.severity,
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code=issue.code,
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message=issue.message,
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source=issue.source,
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behavior=issue.behavior,
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)
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)
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if result.report.needs_review_count or result.report.blocked_count:
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campaign.status = CampaignStatus.NEEDS_REVIEW.value
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version.workflow_state = CampaignVersionWorkflowState.APPROVED.value
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elif result.report.queueable_count > 0:
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campaign.status = CampaignStatus.READY_TO_QUEUE.value
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version.workflow_state = CampaignVersionWorkflowState.BUILT.value
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else:
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campaign.status = CampaignStatus.VALIDATED.value
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session.add(version)
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session.add(campaign)
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session.commit()
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return report_json
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