mirror of
https://github.com/1f349/dendrite.git
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795c4a9453
Grafana Pyroscope unveiled that we are hitting
ad10fbd3c4/src/database/sql/sql.go (L2739-L2742)
for media DB queries.
Making the methods pointer receivers fixes this.
(Also some minor `error` cosmetic updates)
94 lines
4.1 KiB
Go
94 lines
4.1 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package shared
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import (
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"context"
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"database/sql"
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"errors"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/mediaapi/storage/tables"
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"github.com/matrix-org/dendrite/mediaapi/types"
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"github.com/matrix-org/gomatrixserverlib/spec"
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)
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type Database struct {
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DB *sql.DB
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Writer sqlutil.Writer
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MediaRepository tables.MediaRepository
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Thumbnails tables.Thumbnails
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}
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// StoreMediaMetadata inserts the metadata about the uploaded media into the database.
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// Returns an error if the combination of MediaID and Origin are not unique in the table.
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func (d *Database) StoreMediaMetadata(ctx context.Context, mediaMetadata *types.MediaMetadata) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.MediaRepository.InsertMedia(ctx, txn, mediaMetadata)
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})
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}
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// GetMediaMetadata returns metadata about media stored on this server.
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// The media could have been uploaded to this server or fetched from another server and cached here.
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// Returns nil metadata if there is no metadata associated with this media.
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func (d *Database) GetMediaMetadata(ctx context.Context, mediaID types.MediaID, mediaOrigin spec.ServerName) (*types.MediaMetadata, error) {
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mediaMetadata, err := d.MediaRepository.SelectMedia(ctx, nil, mediaID, mediaOrigin)
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if errors.Is(err, sql.ErrNoRows) {
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return nil, nil
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}
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return mediaMetadata, err
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}
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// GetMediaMetadataByHash returns metadata about media stored on this server.
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// The media could have been uploaded to this server or fetched from another server and cached here.
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// Returns nil metadata if there is no metadata associated with this media.
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func (d *Database) GetMediaMetadataByHash(ctx context.Context, mediaHash types.Base64Hash, mediaOrigin spec.ServerName) (*types.MediaMetadata, error) {
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mediaMetadata, err := d.MediaRepository.SelectMediaByHash(ctx, nil, mediaHash, mediaOrigin)
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if errors.Is(err, sql.ErrNoRows) {
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return nil, nil
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}
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return mediaMetadata, err
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}
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// StoreThumbnail inserts the metadata about the thumbnail into the database.
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// Returns an error if the combination of MediaID and Origin are not unique in the table.
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func (d *Database) StoreThumbnail(ctx context.Context, thumbnailMetadata *types.ThumbnailMetadata) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.Thumbnails.InsertThumbnail(ctx, txn, thumbnailMetadata)
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})
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}
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// GetThumbnail returns metadata about a specific thumbnail.
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// The media could have been uploaded to this server or fetched from another server and cached here.
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// Returns nil metadata if there is no metadata associated with this thumbnail.
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func (d *Database) GetThumbnail(ctx context.Context, mediaID types.MediaID, mediaOrigin spec.ServerName, width, height int, resizeMethod string) (*types.ThumbnailMetadata, error) {
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metadata, err := d.Thumbnails.SelectThumbnail(ctx, nil, mediaID, mediaOrigin, width, height, resizeMethod)
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if errors.Is(err, sql.ErrNoRows) {
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return nil, nil
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}
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return metadata, err
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}
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// GetThumbnails returns metadata about all thumbnails for a specific media stored on this server.
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// The media could have been uploaded to this server or fetched from another server and cached here.
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// Returns nil metadata if there are no thumbnails associated with this media.
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func (d *Database) GetThumbnails(ctx context.Context, mediaID types.MediaID, mediaOrigin spec.ServerName) ([]*types.ThumbnailMetadata, error) {
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metadatas, err := d.Thumbnails.SelectThumbnails(ctx, nil, mediaID, mediaOrigin)
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if errors.Is(err, sql.ErrNoRows) {
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return nil, nil
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}
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return metadatas, err
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}
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