[feature/chore] Add Move database functions + cache (#2647)

* [feature/chore] Add Move database functions + cache

* add move mem ratio to envparsing.sh

* update comment

1 files changed, 236 insertions, 0 deletions

diff --git a/internal/db/bundb/move.go b/internal/db/bundb/move.go
new file mode 100644
index 000000000..a66b9dea5
--- /dev/null
+++ b/internal/db/bundb/move.go
@@ -0,0 +1,236 @@
+// 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 bundb
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/url"
+	"time"
+
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/state"
+	"github.com/uptrace/bun"
+)
+
+type moveDB struct {
+	db    *bun.DB
+	state *state.State
+}
+
+func (m *moveDB) GetMoveByID(
+	ctx context.Context,
+	id string,
+) (*gtsmodel.Move, error) {
+	return m.getMove(
+		ctx,
+		"ID",
+		func(move *gtsmodel.Move) error {
+			return m.db.
+				NewSelect().
+				Model(move).
+				Where("? = ?", bun.Ident("move.id"), id).
+				Scan(ctx)
+		},
+		id,
+	)
+}
+
+func (m *moveDB) GetMoveByURI(
+	ctx context.Context,
+	uri string,
+) (*gtsmodel.Move, error) {
+	return m.getMove(
+		ctx,
+		"URI",
+		func(move *gtsmodel.Move) error {
+			return m.db.
+				NewSelect().
+				Model(move).
+				Where("? = ?", bun.Ident("move.uri"), uri).
+				Scan(ctx)
+		},
+		uri,
+	)
+}
+
+func (m *moveDB) GetMoveByOriginTarget(
+	ctx context.Context,
+	originURI string,
+	targetURI string,
+) (*gtsmodel.Move, error) {
+	return m.getMove(
+		ctx,
+		"OriginURI,TargetURI",
+		func(move *gtsmodel.Move) error {
+			return m.db.
+				NewSelect().
+				Model(move).
+				Where("? = ?", bun.Ident("move.origin_uri"), originURI).
+				Where("? = ?", bun.Ident("move.target_uri"), targetURI).
+				Scan(ctx)
+		},
+		originURI, targetURI,
+	)
+}
+
+func (m *moveDB) GetLatestMoveSuccessInvolvingURIs(
+	ctx context.Context,
+	uri1 string,
+	uri2 string,
+) (time.Time, error) {
+	// Get at most 1 latest Move
+	// involving the provided URIs.
+	var moves []*gtsmodel.Move
+	err := m.db.
+		NewSelect().
+		Model(&moves).
+		Column("succeeded_at").
+		Where("? = ?", bun.Ident("move.origin_uri"), uri1).
+		WhereOr("? = ?", bun.Ident("move.origin_uri"), uri2).
+		WhereOr("? = ?", bun.Ident("move.target_uri"), uri1).
+		WhereOr("? = ?", bun.Ident("move.target_uri"), uri2).
+		Order("id DESC").
+		Limit(1).
+		Scan(ctx)
+	if err != nil && !errors.Is(err, db.ErrNoEntries) {
+		return time.Time{}, err
+	}
+
+	if len(moves) != 1 {
+		return time.Time{}, nil
+	}
+
+	return moves[0].SucceededAt, nil
+}
+
+func (m *moveDB) GetLatestMoveAttemptInvolvingURIs(
+	ctx context.Context,
+	uri1 string,
+	uri2 string,
+) (time.Time, error) {
+	// Get at most 1 latest Move
+	// involving the provided URIs.
+	var moves []*gtsmodel.Move
+	err := m.db.
+		NewSelect().
+		Model(&moves).
+		Column("attempted_at").
+		Where("? = ?", bun.Ident("move.origin_uri"), uri1).
+		WhereOr("? = ?", bun.Ident("move.origin_uri"), uri2).
+		WhereOr("? = ?", bun.Ident("move.target_uri"), uri1).
+		WhereOr("? = ?", bun.Ident("move.target_uri"), uri2).
+		Order("id DESC").
+		Limit(1).
+		Scan(ctx)
+	if err != nil && !errors.Is(err, db.ErrNoEntries) {
+		return time.Time{}, err
+	}
+
+	if len(moves) != 1 {
+		return time.Time{}, nil
+	}
+
+	return moves[0].AttemptedAt, nil
+}
+
+func (m *moveDB) getMove(
+	ctx context.Context,
+	lookup string,
+	dbQuery func(*gtsmodel.Move) error,
+	keyParts ...any,
+) (*gtsmodel.Move, error) {
+	move, err := m.state.Caches.GTS.Move.LoadOne(lookup, func() (*gtsmodel.Move, error) {
+		var move gtsmodel.Move
+
+		// Not cached! Perform database query.
+		if err := dbQuery(&move); err != nil {
+			return nil, err
+		}
+
+		return &move, nil
+	}, keyParts...)
+	if err != nil {
+		return nil, err
+	}
+
+	if gtscontext.Barebones(ctx) {
+		return move, nil
+	}
+
+	// Populate the Move by parsing out the URIs.
+	if move.Origin == nil {
+		move.Origin, err = url.Parse(move.OriginURI)
+		if err != nil {
+			return nil, fmt.Errorf("error parsing Move originURI: %w", err)
+		}
+	}
+
+	if move.Target == nil {
+		move.Target, err = url.Parse(move.TargetURI)
+		if err != nil {
+			return nil, fmt.Errorf("error parsing Move originURI: %w", err)
+		}
+	}
+
+	return move, nil
+}
+
+func (m *moveDB) PutMove(ctx context.Context, move *gtsmodel.Move) error {
+	return m.state.Caches.GTS.Move.Store(move, func() error {
+		_, err := m.db.
+			NewInsert().
+			Model(move).
+			Exec(ctx)
+		return err
+	})
+}
+
+func (m *moveDB) UpdateMove(ctx context.Context, move *gtsmodel.Move, columns ...string) error {
+	move.UpdatedAt = time.Now()
+	if len(columns) > 0 {
+		// If we're updating by column,
+		// ensure "updated_at" is included.
+		columns = append(columns, "updated_at")
+	}
+
+	return m.state.Caches.GTS.Move.Store(move, func() error {
+		_, err := m.db.
+			NewUpdate().
+			Model(move).
+			Column(columns...).
+			Where("? = ?", bun.Ident("move.id"), move.ID).
+			Exec(ctx)
+		return err
+	})
+}
+
+func (m *moveDB) DeleteMoveByID(ctx context.Context, id string) error {
+	defer m.state.Caches.GTS.Move.Invalidate("ID", id)
+
+	_, err := m.db.
+		NewDelete().
+		TableExpr("? AS ?", bun.Ident("moves"), bun.Ident("move")).
+		Where("? = ?", bun.Ident("move.id"), id).
+		Exec(ctx)
+
+	return err
+}