gotosocial/internal/db/pg/instance.go

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/*
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 pg
import (
"context"
"github.com/go-pg/pg/v10"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
type instanceDB struct {
config *config.Config
conn *pg.DB
log *logrus.Logger
cancel context.CancelFunc
}
func (i *instanceDB) CountInstanceUsers(domain string) (int, db.Error) {
q := i.conn.Model(&[]*gtsmodel.Account{})
if domain == i.config.Host {
// if the domain is *this* domain, just count where the domain field is null
q = q.Where("? IS NULL", pg.Ident("domain"))
} else {
q = q.Where("domain = ?", domain)
}
// don't count the instance account or suspended users
q = q.Where("username != ?", domain).Where("? IS NULL", pg.Ident("suspended_at"))
return q.Count()
}
func (i *instanceDB) CountInstanceStatuses(domain string) (int, db.Error) {
q := i.conn.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)
}
return q.Count()
}
func (i *instanceDB) CountInstanceDomains(domain string) (int, db.Error) {
q := i.conn.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", pg.Ident("suspended_at"))
} else {
// TODO: implement federated domain counting properly for remote domains
return 0, nil
}
return q.Count()
}
func (i *instanceDB) GetInstanceAccounts(domain string, maxID string, limit int) ([]*gtsmodel.Account, db.Error) {
i.log.Debug("GetAccountsForInstance")
accounts := []*gtsmodel.Account{}
q := i.conn.Model(&accounts).Where("domain = ?", domain).Order("id DESC")
if maxID != "" {
q = q.Where("id < ?", maxID)
}
if limit > 0 {
q = q.Limit(limit)
}
err := q.Select()
if err != nil {
if err == pg.ErrNoRows {
return nil, db.ErrNoEntries
}
return nil, err
}
if len(accounts) == 0 {
return nil, db.ErrNoEntries
}
return accounts, nil
}