from datetime import datetime, timedelta

from data import model
from data.database import BlobUpload as BlobUploadTable
from workers.blobuploadcleanupworker.models_interface import (BlobUpload,
                                                              BlobUploadCleanupWorkerDataInterface)


class PreOCIModel(BlobUploadCleanupWorkerDataInterface):
  def get_stale_blob_upload(self, stale_threshold):
    blob_upload = model.blob.get_stale_blob_upload(stale_threshold)
    if blob_upload is None:
      return None

    return BlobUpload(blob_upload.uuid, blob_upload.storage_metadata, blob_upload.location.name)

  def delete_blob_upload(self, blob_upload):
    blob_upload = model.blob.get_blob_upload_by_uuid(blob_upload.uuid)
    if blob_upload is None:
      return

    try:
      blob_upload.delete_instance()
    except BlobUploadTable.DoesNotExist:
      pass

  def create_stale_upload_for_testing(self):
    blob_upload = model.blob.initiate_upload('devtable', 'simple', 'foobarbaz', 'local_us', {})
    blob_upload.created = datetime.now() - timedelta(days=60)
    blob_upload.save()
    return BlobUpload(blob_upload.uuid, blob_upload.storage_metadata, blob_upload.location.name)

  def blob_upload_exists(self, upload_uuid):
    blob_upload = model.blob.get_blob_upload_by_uuid(upload_uuid)
    return blob_upload is not None


pre_oci_model = PreOCIModel()