gotosocial/internal/db/bundb/instance.go
kim ed46224573
Add SQLite support, fix un-thread-safe DB caches, small performance f… (#172)
* Add SQLite support, fix un-thread-safe DB caches, small performance fixes

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* add SQLite licenses to README

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* appease the linter, and fix my dumbass-ery

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* make requested changes

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* add back comment

Signed-off-by: kim (grufwub) <grufwub@gmail.com>
2021-08-29 16:41:41 +02:00

124 lines
3.2 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package bundb
import (
"context"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/uptrace/bun"
)
type instanceDB struct {
config *config.Config
conn *DBConn
}
func (i *instanceDB) CountInstanceUsers(ctx context.Context, domain string) (int, db.Error) {
q := i.conn.
NewSelect().
Model(&[]*gtsmodel.Account{}).
Where("username != ?", domain).
Where("? IS NULL", bun.Ident("suspended_at"))
if domain == i.config.Host {
// if the domain is *this* domain, just count where the domain field is null
q = q.WhereGroup(" AND ", whereEmptyOrNull("domain"))
} else {
q = q.Where("domain = ?", domain)
}
count, err := q.Count(ctx)
if err != nil {
return 0, i.conn.ProcessError(err)
}
return count, nil
}
func (i *instanceDB) CountInstanceStatuses(ctx context.Context, domain string) (int, db.Error) {
q := i.conn.
NewSelect().
Model(&[]*gtsmodel.Status{})
if domain == i.config.Host {
// if the domain is *this* domain, just count where local is true
q = q.Where("local = ?", true)
} else {
// join on the domain of the account
q = q.Join("JOIN accounts AS account ON account.id = status.account_id").
Where("account.domain = ?", domain)
}
count, err := q.Count(ctx)
if err != nil {
return 0, i.conn.ProcessError(err)
}
return count, nil
}
func (i *instanceDB) CountInstanceDomains(ctx context.Context, domain string) (int, db.Error) {
q := i.conn.
NewSelect().
Model(&[]*gtsmodel.Instance{})
if domain == i.config.Host {
// if the domain is *this* domain, just count other instances it knows about
// exclude domains that are blocked
q = q.
Where("domain != ?", domain).
Where("? IS NULL", bun.Ident("suspended_at"))
} else {
// TODO: implement federated domain counting properly for remote domains
return 0, nil
}
count, err := q.Count(ctx)
if err != nil {
return 0, i.conn.ProcessError(err)
}
return count, nil
}
func (i *instanceDB) GetInstanceAccounts(ctx context.Context, domain string, maxID string, limit int) ([]*gtsmodel.Account, db.Error) {
i.conn.log.Debug("GetAccountsForInstance")
accounts := []*gtsmodel.Account{}
q := i.conn.NewSelect().
Model(&accounts).
Where("domain = ?", domain).
Order("id DESC")
if maxID != "" {
q = q.Where("id < ?", maxID)
}
if limit > 0 {
q = q.Limit(limit)
}
err := q.Scan(ctx)
if err != nil {
return nil, i.conn.ProcessError(err)
}
return accounts, nil
}