Build, upload and email a Download Package for a property set 🟩

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

orchestration/bulk_document_download_orchestrator.py

@@ -21,7 +21,6 @@ from domain.bulk_document_download.package_plan import (
     SkippedDocument,
     plan_download_package,
 )
-from domain.tasks.subtasks import SubTaskFailure
 from infrastructure.postgres.uploaded_file_table import UploadedFile
 from infrastructure.s3.s3_client import S3Client
 from repositories.email.email_sender import EmailSender
@@ -78,4 +77,46 @@ class BulkDocumentDownloadOrchestrator:
         recipient_email: str,
         package_name: str,
     ) -> DownloadPackageResult:
-        raise NotImplementedError
+        files = self._uploaded_files.by_landlord_property_ids(landlord_property_ids)
+        resolved = [self._resolve(file) for file in files]
+        plan = plan_download_package([r for r in resolved if r is not None])
+
+        buffer = io.BytesIO()
+        with zipfile.ZipFile(buffer, "w", zipfile.ZIP_DEFLATED) as archive:
+            for entry in plan.entries:
+                archive.writestr(
+                    entry.zip_path, self._documents.read(entry.s3_bucket, entry.s3_key)
+                )
+
+        key = f"{self._package_key_prefix}/{package_name}.zip"
+        self._packages.put_object(key, buffer.getvalue())
+        url = self._packages.generate_presigned_url(key, self._url_ttl_seconds)
+
+        self._email.send(
+            to=recipient_email,
+            subject="Your document download is ready",
+            body=(
+                f"Your document download is ready. It contains "
+                f"{len(plan.entries)} document(s).\n\n"
+                f"Download it here (link valid for "
+                f"{self._url_ttl_seconds // 60} minutes):\n{url}"
+            ),
+        )
+        return DownloadPackageResult(
+            presigned_url=url,
+            package_s3_key=key,
+            included=len(plan.entries),
+            skipped=plan.skipped,
+        )
+
+    def _resolve(self, file: UploadedFile) -> Optional[ResolvedDocument]:
+        if file.landlord_property_id is None:
+            return None
+        return ResolvedDocument(
+            landlord_property_id=file.landlord_property_id,
+            address=self._addresses.address_for(file.landlord_property_id),
+            document_type=file.file_type,
+            s3_bucket=file.s3_file_bucket,
+            s3_key=file.s3_file_key,
+            uploaded_at=cast(datetime, file.s3_upload_timestamp),
+        )