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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 bundb
import (
"context"
"errors"
"time"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/uptrace/bun"
)
type userDB struct {
db *DB
state *state.State
}
func (u *userDB) GetUserByID(ctx context.Context, id string) (*gtsmodel.User, error) {
return u.getUser(
ctx,
"ID",
func(user *gtsmodel.User) error {
return u.db.NewSelect().Model(user).Where("? = ?", bun.Ident("id"), id).Scan(ctx)
},
id,
)
}
func (u *userDB) GetUsersByIDs(ctx context.Context, ids []string) ([]*gtsmodel.User, error) {
var (
users = make([]*gtsmodel.User, 0, len(ids))
// Collect errors instead of
// returning early on any.
errs gtserror.MultiError
)
for _, id := range ids {
// Attempt to fetch user from DB.
user, err := u.GetUserByID(ctx, id)
if err != nil {
errs.Appendf("error getting user %s: %w", id, err)
continue
}
// Append user to return slice.
users = append(users, user)
}
return users, errs.Combine()
}
func (u *userDB) GetUserByAccountID(ctx context.Context, accountID string) (*gtsmodel.User, error) {
return u.getUser(
ctx,
"AccountID",
func(user *gtsmodel.User) error {
return u.db.NewSelect().Model(user).Where("? = ?", bun.Ident("account_id"), accountID).Scan(ctx)
},
accountID,
)
}
func (u *userDB) GetUserByEmailAddress(ctx context.Context, email string) (*gtsmodel.User, error) {
return u.getUser(
ctx,
"Email",
func(user *gtsmodel.User) error {
return u.db.NewSelect().Model(user).Where("? = ?", bun.Ident("email"), email).Scan(ctx)
},
email,
)
}
func (u *userDB) GetUserByExternalID(ctx context.Context, id string) (*gtsmodel.User, error) {
return u.getUser(
ctx,
"ExternalID",
func(user *gtsmodel.User) error {
return u.db.NewSelect().Model(user).Where("? = ?", bun.Ident("external_id"), id).Scan(ctx)
},
id,
)
}
func (u *userDB) GetUserByConfirmationToken(ctx context.Context, token string) (*gtsmodel.User, error) {
return u.getUser(
ctx,
"ConfirmationToken",
func(user *gtsmodel.User) error {
return u.db.NewSelect().Model(user).Where("? = ?", bun.Ident("confirmation_token"), token).Scan(ctx)
},
token,
)
}
func (u *userDB) getUser(ctx context.Context, lookup string, dbQuery func(*gtsmodel.User) error, keyParts ...any) (*gtsmodel.User, error) {
// Fetch user from database cache with loader callback.
user, err := u.state.Caches.GTS.User().Load(lookup, func() (*gtsmodel.User, error) {
var user gtsmodel.User
// Not cached! perform database query.
if err := dbQuery(&user); err != nil {
return nil, err
}
return &user, nil
}, keyParts...)
if err != nil {
return nil, err
}
if gtscontext.Barebones(ctx) {
// Return without populating.
return user, nil
}
if err := u.PopulateUser(ctx, user); err != nil {
return nil, err
}
return user, nil
}
// PopulateUser ensures that the user's struct fields are populated.
func (u *userDB) PopulateUser(ctx context.Context, user *gtsmodel.User) error {
var (
errs = gtserror.NewMultiError(1)
err error
)
if user.Account == nil {
// Fetch the related account model for this user.
user.Account, err = u.state.DB.GetAccountByID(
gtscontext.SetBarebones(ctx),
user.AccountID,
)
if err != nil {
errs.Appendf("error populating user account: %w", err)
}
}
return errs.Combine()
}
func (u *userDB) GetAllUsers(ctx context.Context) ([]*gtsmodel.User, error) {
var userIDs []string
// Scan all user IDs into slice.
if err := u.db.NewSelect().
Table("users").
Column("id").
Scan(ctx, &userIDs); err != nil {
return nil, err
}
// Transform user IDs into user slice.
return u.GetUsersByIDs(ctx, userIDs)
}
func (u *userDB) PutUser(ctx context.Context, user *gtsmodel.User) error {
return u.state.Caches.GTS.User().Store(user, func() error {
_, err := u.db.
NewInsert().
Model(user).
Exec(ctx)
return err
})
}
func (u *userDB) UpdateUser(ctx context.Context, user *gtsmodel.User, columns ...string) error {
// Update the user's last-updated
user.UpdatedAt = time.Now()
if len(columns) > 0 {
// If we're updating by column, ensure "updated_at" is included
columns = append(columns, "updated_at")
}
return u.state.Caches.GTS.User().Store(user, func() error {
_, err := u.db.
NewUpdate().
Model(user).
Where("? = ?", bun.Ident("user.id"), user.ID).
Column(columns...).
Exec(ctx)
return err
})
}
func (u *userDB) DeleteUserByID(ctx context.Context, userID string) error {
defer u.state.Caches.GTS.User().Invalidate("ID", userID)
// Load user into cache before attempting a delete,
// as we need it cached in order to trigger the invalidate
// callback. This in turn invalidates others.
_, err := u.GetUserByID(gtscontext.SetBarebones(ctx), userID)
if err != nil {
if errors.Is(err, db.ErrNoEntries) {
// not an issue.
err = nil
}
return err
}
// Finally delete user from DB.
_, err = u.db.NewDelete().
TableExpr("? AS ?", bun.Ident("users"), bun.Ident("user")).
Where("? = ?", bun.Ident("user.id"), userID).
Exec(ctx)
return err
}
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