60 lines
3.1 KiB
Go
60 lines
3.1 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package db
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import (
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"context"
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"time"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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)
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// Media contains functions related to creating/getting/removing media attachments.
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type Media interface {
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// GetAttachmentByID gets a single attachment by its ID
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GetAttachmentByID(ctx context.Context, id string) (*gtsmodel.MediaAttachment, Error)
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// GetRemoteOlderThan gets limit n remote media attachments (including avatars and headers) older than the given
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// olderThan time. These will be returned in order of attachment.created_at descending (newest to oldest in other words).
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//
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// The selected media attachments will be those with both a URL and a RemoteURL filled in.
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// In other words, media attachments that originated remotely, and that we currently have cached locally.
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GetRemoteOlderThan(ctx context.Context, olderThan time.Time, limit int) ([]*gtsmodel.MediaAttachment, Error)
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// CountRemoteOlderThan is like GetRemoteOlderThan, except instead of getting limit n attachments,
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// it just counts how many remote attachments in the database (including avatars and headers) meet
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// the olderThan criteria.
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CountRemoteOlderThan(ctx context.Context, olderThan time.Time) (int, Error)
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// GetAvatarsAndHeaders fetches limit n avatars and headers with an id < maxID. These headers
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// and avis may be in use or not; the caller should check this if it's important.
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GetAvatarsAndHeaders(ctx context.Context, maxID string, limit int) ([]*gtsmodel.MediaAttachment, Error)
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// GetLocalUnattachedOlderThan fetches limit n local media attachments (including avatars and headers), older than
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// the given time, which aren't header or avatars, and aren't attached to a status. In other words, attachments which were
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// uploaded but never used for whatever reason, or attachments that were attached to a status which was subsequently deleted.
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//
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// These will be returned in order of attachment.created_at descending (newest to oldest in other words).
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GetLocalUnattachedOlderThan(ctx context.Context, olderThan time.Time, limit int) ([]*gtsmodel.MediaAttachment, Error)
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// CountLocalUnattachedOlderThan is like GetLocalUnattachedOlderThan, except instead of getting limit n attachments,
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// it just counts how many local attachments in the database meet the olderThan criteria.
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CountLocalUnattachedOlderThan(ctx context.Context, olderThan time.Time) (int, Error)
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}
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