1 files changed, 78 insertions, 0 deletions
diff --git a/internal/db/bundb/migrations/20240611190733_add_conversations.go b/internal/db/bundb/migrations/20240611190733_add_conversations.go
new file mode 100644
index 000000000..25b226aff
--- /dev/null
+++ b/internal/db/bundb/migrations/20240611190733_add_conversations.go
@@ -0,0 +1,78 @@
+// 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"
+
+	gtsmodel "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/uptrace/bun"
+)
+
+// Note: this migration has an advanced migration followup.
+// See Conversations.MigrateDMs().
+func init() {
+	up := func(ctx context.Context, db *bun.DB) error {
+		return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
+			for _, model := range []interface{}{
+				&gtsmodel.Conversation{},
+				&gtsmodel.ConversationToStatus{},
+			} {
+				if _, err := tx.
+					NewCreateTable().
+					Model(model).
+					IfNotExists().
+					Exec(ctx); err != nil {
+					return err
+				}
+			}
+
+			// Add indexes to the conversations table.
+			for index, columns := range map[string][]string{
+				"conversations_account_id_idx": {
+					"account_id",
+				},
+				"conversations_last_status_id_idx": {
+					"last_status_id",
+				},
+			} {
+				if _, err := tx.
+					NewCreateIndex().
+					Model(&gtsmodel.Conversation{}).
+					Index(index).
+					Column(columns...).
+					IfNotExists().
+					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)
+	}
+}