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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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"
"time"
"github.com/superseriousbusiness/gotosocial/internal/cache"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/uptrace/bun"
)
type userDB struct {
conn *DBConn
cache *cache.UserCache
}
func (u *userDB) newUserQ(user *gtsmodel.User) *bun.SelectQuery {
return u.conn.
NewSelect().
Model(user).
Relation("Account")
}
func (u *userDB) getUser(ctx context.Context, cacheGet func() (*gtsmodel.User, bool), dbQuery func(*gtsmodel.User) error) (*gtsmodel.User, db.Error) {
// Attempt to fetch cached user
user, cached := cacheGet()
if !cached {
user = >smodel.User{}
// Not cached! Perform database query
err := dbQuery(user)
if err != nil {
return nil, u.conn.ProcessError(err)
}
// Place in the cache
u.cache.Put(user)
}
return user, nil
}
func (u *userDB) GetUserByID(ctx context.Context, id string) (*gtsmodel.User, db.Error) {
return u.getUser(
ctx,
func() (*gtsmodel.User, bool) {
return u.cache.GetByID(id)
},
func(user *gtsmodel.User) error {
return u.newUserQ(user).Where("? = ?", bun.Ident("user.id"), id).Scan(ctx)
},
)
}
func (u *userDB) GetUserByAccountID(ctx context.Context, accountID string) (*gtsmodel.User, db.Error) {
return u.getUser(
ctx,
func() (*gtsmodel.User, bool) {
return u.cache.GetByAccountID(accountID)
},
func(user *gtsmodel.User) error {
return u.newUserQ(user).Where("? = ?", bun.Ident("user.account_id"), accountID).Scan(ctx)
},
)
}
func (u *userDB) GetUserByEmailAddress(ctx context.Context, emailAddress string) (*gtsmodel.User, db.Error) {
return u.getUser(
ctx,
func() (*gtsmodel.User, bool) {
return u.cache.GetByEmail(emailAddress)
},
func(user *gtsmodel.User) error {
return u.newUserQ(user).Where("? = ?", bun.Ident("user.email"), emailAddress).Scan(ctx)
},
)
}
func (u *userDB) GetUserByConfirmationToken(ctx context.Context, confirmationToken string) (*gtsmodel.User, db.Error) {
return u.getUser(
ctx,
func() (*gtsmodel.User, bool) {
return u.cache.GetByConfirmationToken(confirmationToken)
},
func(user *gtsmodel.User) error {
return u.newUserQ(user).Where("? = ?", bun.Ident("user.confirmation_token"), confirmationToken).Scan(ctx)
},
)
}
func (u *userDB) PutUser(ctx context.Context, user *gtsmodel.User) (*gtsmodel.User, db.Error) {
if _, err := u.conn.
NewInsert().
Model(user).
Exec(ctx); err != nil {
return nil, u.conn.ProcessError(err)
}
u.cache.Put(user)
return user, nil
}
func (u *userDB) UpdateUser(ctx context.Context, user *gtsmodel.User, columns ...string) (*gtsmodel.User, db.Error) {
// Update the user's last-updated
user.UpdatedAt = time.Now()
if _, err := u.conn.
NewUpdate().
Model(user).
Where("? = ?", bun.Ident("user.id"), user.ID).
Column(columns...).
Exec(ctx); err != nil {
return nil, u.conn.ProcessError(err)
}
u.cache.Invalidate(user.ID)
return user, nil
}
func (u *userDB) DeleteUserByID(ctx context.Context, userID string) db.Error {
if _, err := u.conn.
NewDelete().
TableExpr("? AS ?", bun.Ident("users"), bun.Ident("user")).
Where("? = ?", bun.Ident("user.id"), userID).
Exec(ctx); err != nil {
return u.conn.ProcessError(err)
}
u.cache.Invalidate(userID)
return nil
}
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