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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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 migrations
import (
"context"
"strings"
gtsmodel "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/uptrace/bun"
"github.com/uptrace/bun/dialect"
)
func init() {
up := func(ctx context.Context, db *bun.DB) error {
return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
// Create thread table.
if _, err := tx.
NewCreateTable().
Model(>smodel.Thread{}).
IfNotExists().
Exec(ctx); err != nil {
return err
}
// Create thread intermediate table.
if _, err := tx.
NewCreateTable().
Model(>smodel.ThreadToStatus{}).
IfNotExists().
Exec(ctx); err != nil {
return err
}
// Drop old pkey constraint from
// deprecated status mute table.
//
// This is only necessary with postgres.
if tx.Dialect().Name() == dialect.PG {
if _, err := tx.ExecContext(
ctx,
"ALTER TABLE ? DROP CONSTRAINT IF EXISTS ?",
bun.Ident("status_mutes"),
bun.Safe("status_mutes_pkey"),
); err != nil {
return err
}
}
// Drop old index.
if _, err := tx.
NewDropIndex().
Index("status_mutes_account_id_target_account_id_status_id_idx").
IfExists().
Exec(ctx); err != nil {
return err
}
// Drop deprecated status mute table.
if _, err := tx.
NewDropTable().
Table("status_mutes").
IfExists().
Exec(ctx); err != nil {
return err
}
// Create new thread mute table.
if _, err := tx.
NewCreateTable().
Model(>smodel.ThreadMute{}).
IfNotExists().
Exec(ctx); err != nil {
return err
}
log.Info(ctx, "creating a new index on the statuses table, please wait and don't interrupt it (this may take a few minutes)")
// Update statuses to add thread ID column.
_, err := tx.ExecContext(
ctx,
"ALTER TABLE ? ADD COLUMN ? CHAR(26)",
bun.Ident("statuses"),
bun.Ident("thread_id"),
)
if err != nil && !(strings.Contains(err.Error(), "already exists") ||
strings.Contains(err.Error(), "duplicate column name") ||
strings.Contains(err.Error(), "SQLSTATE 42701")) {
return err
}
// Index new + existing tables properly.
for table, indexes := range map[string]map[string][]string{
"threads": {
"threads_id_idx": {"id"},
},
"thread_mutes": {
"thread_mutes_id_idx": {"id"},
// Eg., check if target thread is muted by account.
"thread_mutes_thread_id_account_id_idx": {"thread_id", "account_id"},
},
"statuses": {
// Eg., select all statuses in a thread.
"statuses_thread_id_idx": {"thread_id"},
},
} {
for index, columns := range indexes {
if _, err := tx.
NewCreateIndex().
Table(table).
Index(index).
Column(columns...).
Exec(ctx); err != nil {
return err
}
}
}
return nil
})
}
down := func(ctx context.Context, db *bun.DB) error {
return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
return nil
})
}
if err := Migrations.Register(up, down); err != nil {
panic(err)
}
}
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