gotosocial/vendor/github.com/uptrace/bun/hook.go
tobi 07727753b9
[feature] Clean up/uncache remote media (#407)
* Add whereNotEmptyAndNotNull

* Add GetRemoteOlderThanDays

* Add GetRemoteOlderThanDays

* Add PruneRemote to Manager interface

* Start implementing PruneRemote

* add new attachment + status to tests

* fix up and test GetRemoteOlderThan

* fix bad import

* PruneRemote: return number pruned

* add Cached column to mediaattachment

* update + test pruneRemote

* update mediaTest

* use Cached column

* upstep bun to latest version

* embed structs in mediaAttachment

* migrate mediaAttachment to new format

* don't default cached to true

* select only remote media

* update db dependencies

* step bun back to last working version

* update pruneRemote to use Cached field

* fix storage path of test attachments

* add recache logic to manager

* fix trimmed aspect ratio

* test prune and recache

* return errwithcode

* tidy up different paths for emoji vs attachment

* fix incorrect thumbnail type being stored

* expose TransportController to media processor

* implement tee-ing recached content

* add thoughts of dog to test fedi attachments

* test get remote files

* add comment on PruneRemote

* add postData cleanup to recache

* test thumbnail fetching

* add incredible diagram

* go mod tidy

* buffer pipes for recache streaming

* test for client stops reading after 1kb

* add media-remote-cache-days to config

* add cron package

* wrap logrus so it's available to cron

* start and stop cron jobs gracefully
2022-03-07 11:08:26 +01:00

113 lines
2 KiB
Go

package bun
import (
"context"
"database/sql"
"strings"
"sync/atomic"
"time"
"github.com/uptrace/bun/schema"
)
type QueryEvent struct {
DB *DB
QueryAppender schema.QueryAppender // DEPRECATED: use IQuery instead
IQuery Query
Query string
QueryTemplate string
QueryArgs []interface{}
Model Model
StartTime time.Time
Result sql.Result
Err error
Stash map[interface{}]interface{}
}
func (e *QueryEvent) Operation() string {
if e.IQuery != nil {
return e.IQuery.Operation()
}
return queryOperation(e.Query)
}
func queryOperation(query string) string {
if idx := strings.IndexByte(query, ' '); idx > 0 {
query = query[:idx]
}
if len(query) > 16 {
query = query[:16]
}
return query
}
type QueryHook interface {
BeforeQuery(context.Context, *QueryEvent) context.Context
AfterQuery(context.Context, *QueryEvent)
}
func (db *DB) beforeQuery(
ctx context.Context,
iquery Query,
queryTemplate string,
queryArgs []interface{},
query string,
model Model,
) (context.Context, *QueryEvent) {
atomic.AddUint32(&db.stats.Queries, 1)
if len(db.queryHooks) == 0 {
return ctx, nil
}
event := &QueryEvent{
DB: db,
Model: model,
QueryAppender: iquery,
IQuery: iquery,
Query: query,
QueryTemplate: queryTemplate,
QueryArgs: queryArgs,
StartTime: time.Now(),
}
for _, hook := range db.queryHooks {
ctx = hook.BeforeQuery(ctx, event)
}
return ctx, event
}
func (db *DB) afterQuery(
ctx context.Context,
event *QueryEvent,
res sql.Result,
err error,
) {
switch err {
case nil, sql.ErrNoRows:
// nothing
default:
atomic.AddUint32(&db.stats.Errors, 1)
}
if event == nil {
return
}
event.Result = res
event.Err = err
db.afterQueryFromIndex(ctx, event, len(db.queryHooks)-1)
}
func (db *DB) afterQueryFromIndex(ctx context.Context, event *QueryEvent, hookIndex int) {
for ; hookIndex >= 0; hookIndex-- {
db.queryHooks[hookIndex].AfterQuery(ctx, event)
}
}