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""" |
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byceps.services.snippet.mountpoint_service |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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:Copyright: 2006-2019 Jochen Kupperschmidt |
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:License: Modified BSD, see LICENSE for details. |
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""" |
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from typing import Optional, Set |
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from ...database import db |
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from ..site.transfer.models import SiteID |
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from .models.mountpoint import Mountpoint as DbMountpoint |
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from .models.snippet import CurrentVersionAssociation, Snippet, SnippetVersion |
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from .transfer.models import Mountpoint, MountpointID, SnippetID |
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def create_mountpoint( |
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site_id: SiteID, endpoint_suffix: str, url_path: str, snippet_id: SnippetID |
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) -> Mountpoint: |
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"""Create a mountpoint.""" |
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mountpoint = DbMountpoint(site_id, endpoint_suffix, url_path, snippet_id) |
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db.session.add(mountpoint) |
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db.session.commit() |
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return _db_entity_to_mountpoint(mountpoint) |
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def delete_mountpoint(mountpoint_id: MountpointID) -> None: |
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"""Delete the mountpoint.""" |
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mountpoint = DbMountpoint.query.get(mountpoint_id) |
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if mountpoint is None: |
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raise ValueError(f"Unknown mountpoint ID '{mountpoint_id}'.") |
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db.session.delete(mountpoint) |
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db.session.commit() |
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def find_mountpoint(mountpoint_id: MountpointID) -> Optional[Mountpoint]: |
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"""Return the mountpoint with that id, or `None` if not found.""" |
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mountpoint = DbMountpoint.query.get(mountpoint_id) |
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return _db_entity_to_mountpoint(mountpoint) |
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def get_mountpoints_for_site(site_id: SiteID) -> Set[Mountpoint]: |
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"""Return all mountpoints for that site.""" |
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mountpoints = DbMountpoint.query \ |
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.filter_by(site_id=site_id) \ |
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.all() |
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return {_db_entity_to_mountpoint(mp) for mp in mountpoints} |
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def find_current_snippet_version_for_mountpoint( |
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site_id: SiteID, endpoint_suffix: str |
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) -> SnippetVersion: |
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"""Return the current version of the snippet mounted at that |
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endpoint of that site, or `None` if not found. |
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""" |
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return SnippetVersion.query \ |
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.join(CurrentVersionAssociation) \ |
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.join(Snippet) \ |
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.join(DbMountpoint) \ |
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.filter(DbMountpoint.site_id == site_id) \ |
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.filter(DbMountpoint.endpoint_suffix == endpoint_suffix) \ |
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.one_or_none() |
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def _db_entity_to_mountpoint(entity: DbMountpoint) -> Mountpoint: |
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return Mountpoint( |
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entity.id, |
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entity.site_id, |
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entity.endpoint_suffix, |
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entity.url_path, |
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entity.snippet_id, |
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) |
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byceps /
byceps
