121 lines
3.3 KiB
Go
121 lines
3.3 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package migrations
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import (
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"context"
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"database/sql"
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gtsmodel "github.com/superseriousbusiness/gotosocial/internal/db/bundb/migrations/20211113114307_init"
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"github.com/uptrace/bun"
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"github.com/uptrace/bun/dialect"
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)
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func init() {
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up := func(ctx context.Context, db *bun.DB) error {
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return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
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// SQLite doesn't mind creating multiple constraints with the same name,
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// but Postgres balks at it, so remove the constraint before we go editing
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// the emoji tables.
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if tx.Dialect().Name() == dialect.PG {
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if _, err := tx.ExecContext(ctx, "ALTER TABLE ? DROP CONSTRAINT ?", bun.Ident("emojis"), bun.Safe("shortcodedomain")); err != nil {
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return err
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}
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}
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// create the new emojis table
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if _, err := tx.
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NewCreateTable().
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Model(>smodel.Emoji{}).
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ModelTableExpr("new_emojis").
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Exec(ctx); err != nil {
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return err
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}
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// move all old emojis to the new table
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currentEmojis := []*gtsmodel.Emoji{}
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if err := tx.
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NewSelect().
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Model(¤tEmojis).
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Scan(ctx); err != nil && err != sql.ErrNoRows {
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return err
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}
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for _, currentEmoji := range currentEmojis {
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if _, err := tx.
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NewInsert().
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Model(currentEmoji).
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ModelTableExpr("new_emojis").
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Exec(ctx); err != nil {
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return err
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}
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}
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// we have all the data we need from the old table, so we can safely drop it now
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if _, err := tx.NewDropTable().Model(>smodel.Emoji{}).Exec(ctx); err != nil {
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return err
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}
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// rename the new table to the same name as the old table was
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if _, err := tx.ExecContext(ctx, "ALTER TABLE ? RENAME TO ?", bun.Ident("new_emojis"), bun.Ident("emojis")); err != nil {
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return err
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}
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// add indexes to the new table
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if _, err := tx.
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NewCreateIndex().
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Model(>smodel.Emoji{}).
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Index("emojis_id_idx").
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Column("id").
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Exec(ctx); err != nil {
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return err
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}
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if _, err := tx.
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NewCreateIndex().
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Model(>smodel.Emoji{}).
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Index("emojis_uri_idx").
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Column("uri").
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Exec(ctx); err != nil {
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return err
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}
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if _, err := tx.
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NewCreateIndex().
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Model(>smodel.Emoji{}).
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Index("emojis_available_custom_idx").
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Column("visible_in_picker", "disabled", "shortcode").
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Exec(ctx); err != nil {
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return err
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}
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return nil
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})
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}
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down := func(ctx context.Context, db *bun.DB) error {
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return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
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return nil
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})
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}
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if err := Migrations.Register(up, down); err != nil {
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panic(err)
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}
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}
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