gotosocial/internal/db/bundb/account.go
tobi e8a20f587c
[bugfix] Rework MultiError to wrap + unwrap errors properly (#2057)
* rework multierror a bit

* test multierror
2023-08-02 17:21:46 +02:00

711 lines
20 KiB
Go

// 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"
"strings"
"time"
"github.com/superseriousbusiness/gotosocial/internal/config"
"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/id"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/util"
"github.com/uptrace/bun"
"github.com/uptrace/bun/dialect"
)
type accountDB struct {
db *WrappedDB
state *state.State
}
func (a *accountDB) GetAccountByID(ctx context.Context, id string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"ID",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.id"), id).
Scan(ctx)
},
id,
)
}
func (a *accountDB) GetAccountsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.Account, error) {
accounts := make([]*gtsmodel.Account, 0, len(ids))
for _, id := range ids {
// Attempt to fetch account from DB.
account, err := a.GetAccountByID(
gtscontext.SetBarebones(ctx),
id,
)
if err != nil {
log.Errorf(ctx, "error getting account %q: %v", id, err)
continue
}
// Append account to return slice.
accounts = append(accounts, account)
}
return accounts, nil
}
func (a *accountDB) GetAccountByURI(ctx context.Context, uri string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"URI",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.uri"), uri).
Scan(ctx)
},
uri,
)
}
func (a *accountDB) GetAccountByURL(ctx context.Context, url string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"URL",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.url"), url).
Scan(ctx)
},
url,
)
}
func (a *accountDB) GetAccountByUsernameDomain(ctx context.Context, username string, domain string) (*gtsmodel.Account, error) {
if domain != "" {
// Normalize the domain as punycode
var err error
domain, err = util.Punify(domain)
if err != nil {
return nil, err
}
}
return a.getAccount(
ctx,
"Username.Domain",
func(account *gtsmodel.Account) error {
q := a.db.NewSelect().
Model(account)
if domain != "" {
q = q.
Where("LOWER(?) = ?", bun.Ident("account.username"), strings.ToLower(username)).
Where("? = ?", bun.Ident("account.domain"), domain)
} else {
q = q.
Where("? = ?", bun.Ident("account.username"), strings.ToLower(username)). // usernames on our instance are always lowercase
Where("? IS NULL", bun.Ident("account.domain"))
}
return q.Scan(ctx)
},
username,
domain,
)
}
func (a *accountDB) GetAccountByPubkeyID(ctx context.Context, id string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"PublicKeyURI",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.public_key_uri"), id).
Scan(ctx)
},
id,
)
}
func (a *accountDB) GetAccountByInboxURI(ctx context.Context, uri string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"InboxURI",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.inbox_uri"), uri).
Scan(ctx)
},
uri,
)
}
func (a *accountDB) GetAccountByOutboxURI(ctx context.Context, uri string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"OutboxURI",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.outbox_uri"), uri).
Scan(ctx)
},
uri,
)
}
func (a *accountDB) GetAccountByFollowersURI(ctx context.Context, uri string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"FollowersURI",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.followers_uri"), uri).
Scan(ctx)
},
uri,
)
}
func (a *accountDB) GetAccountByFollowingURI(ctx context.Context, uri string) (*gtsmodel.Account, error) {
return a.getAccount(
ctx,
"FollowingURI",
func(account *gtsmodel.Account) error {
return a.db.NewSelect().
Model(account).
Where("? = ?", bun.Ident("account.following_uri"), uri).
Scan(ctx)
},
uri,
)
}
func (a *accountDB) GetInstanceAccount(ctx context.Context, domain string) (*gtsmodel.Account, error) {
var username string
if domain == "" {
// I.e. our local instance account
username = config.GetHost()
} else {
// A remote instance account
username = domain
}
return a.GetAccountByUsernameDomain(ctx, username, domain)
}
func (a *accountDB) getAccount(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Account) error, keyParts ...any) (*gtsmodel.Account, error) {
// Fetch account from database cache with loader callback
account, err := a.state.Caches.GTS.Account().Load(lookup, func() (*gtsmodel.Account, error) {
var account gtsmodel.Account
// Not cached! Perform database query
if err := dbQuery(&account); err != nil {
return nil, a.db.ProcessError(err)
}
return &account, nil
}, keyParts...)
if err != nil {
return nil, err
}
if gtscontext.Barebones(ctx) {
// no need to fully populate.
return account, nil
}
// Further populate the account fields where applicable.
if err := a.PopulateAccount(ctx, account); err != nil {
return nil, err
}
return account, nil
}
func (a *accountDB) PopulateAccount(ctx context.Context, account *gtsmodel.Account) error {
var (
err error
errs = gtserror.NewMultiError(3)
)
if account.AvatarMediaAttachment == nil && account.AvatarMediaAttachmentID != "" {
// Account avatar attachment is not set, fetch from database.
account.AvatarMediaAttachment, err = a.state.DB.GetAttachmentByID(
ctx, // these are already barebones
account.AvatarMediaAttachmentID,
)
if err != nil {
errs.Appendf("error populating account avatar: %w", err)
}
}
if account.HeaderMediaAttachment == nil && account.HeaderMediaAttachmentID != "" {
// Account header attachment is not set, fetch from database.
account.HeaderMediaAttachment, err = a.state.DB.GetAttachmentByID(
ctx, // these are already barebones
account.HeaderMediaAttachmentID,
)
if err != nil {
errs.Appendf("error populating account header: %w", err)
}
}
if !account.EmojisPopulated() {
// Account emojis are out-of-date with IDs, repopulate.
account.Emojis, err = a.state.DB.GetEmojisByIDs(
ctx, // these are already barebones
account.EmojiIDs,
)
if err != nil {
errs.Appendf("error populating account emojis: %w", err)
}
}
if err := errs.Combine(); err != nil {
return gtserror.Newf("%w", err)
}
return nil
}
func (a *accountDB) PutAccount(ctx context.Context, account *gtsmodel.Account) error {
return a.state.Caches.GTS.Account().Store(account, func() error {
// It is safe to run this database transaction within cache.Store
// as the cache does not attempt a mutex lock until AFTER hook.
//
return a.db.RunInTx(ctx, func(tx bun.Tx) error {
// create links between this account and any emojis it uses
for _, i := range account.EmojiIDs {
if _, err := tx.NewInsert().Model(&gtsmodel.AccountToEmoji{
AccountID: account.ID,
EmojiID: i,
}).Exec(ctx); err != nil {
return err
}
}
// insert the account
_, err := tx.NewInsert().Model(account).Exec(ctx)
return err
})
})
}
func (a *accountDB) UpdateAccount(ctx context.Context, account *gtsmodel.Account, columns ...string) error {
account.UpdatedAt = time.Now()
if len(columns) > 0 {
// If we're updating by column, ensure "updated_at" is included.
columns = append(columns, "updated_at")
}
return a.state.Caches.GTS.Account().Store(account, func() error {
// It is safe to run this database transaction within cache.Store
// as the cache does not attempt a mutex lock until AFTER hook.
//
return a.db.RunInTx(ctx, func(tx bun.Tx) error {
// create links between this account and any emojis it uses
// first clear out any old emoji links
if _, err := tx.
NewDelete().
TableExpr("? AS ?", bun.Ident("account_to_emojis"), bun.Ident("account_to_emoji")).
Where("? = ?", bun.Ident("account_to_emoji.account_id"), account.ID).
Exec(ctx); err != nil {
return err
}
// now populate new emoji links
for _, i := range account.EmojiIDs {
if _, err := tx.
NewInsert().
Model(&gtsmodel.AccountToEmoji{
AccountID: account.ID,
EmojiID: i,
}).Exec(ctx); err != nil {
return err
}
}
// update the account
_, err := tx.NewUpdate().
Model(account).
Where("? = ?", bun.Ident("account.id"), account.ID).
Column(columns...).
Exec(ctx)
return err
})
})
}
func (a *accountDB) DeleteAccount(ctx context.Context, id string) error {
defer a.state.Caches.GTS.Account().Invalidate("ID", id)
// Load account into cache before attempting a delete,
// as we need it cached in order to trigger the invalidate
// callback. This in turn invalidates others.
_, err := a.GetAccountByID(gtscontext.SetBarebones(ctx), id)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
// NOTE: even if db.ErrNoEntries is returned, we
// still run the below transaction to ensure related
// objects are appropriately deleted.
return err
}
return a.db.RunInTx(ctx, func(tx bun.Tx) error {
// clear out any emoji links
if _, err := tx.
NewDelete().
TableExpr("? AS ?", bun.Ident("account_to_emojis"), bun.Ident("account_to_emoji")).
Where("? = ?", bun.Ident("account_to_emoji.account_id"), id).
Exec(ctx); err != nil {
return err
}
// delete the account
_, err := tx.
NewDelete().
TableExpr("? AS ?", bun.Ident("accounts"), bun.Ident("account")).
Where("? = ?", bun.Ident("account.id"), id).
Exec(ctx)
return err
})
}
func (a *accountDB) GetAccountLastPosted(ctx context.Context, accountID string, webOnly bool) (time.Time, error) {
createdAt := time.Time{}
q := a.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Column("status.created_at").
Where("? = ?", bun.Ident("status.account_id"), accountID).
Order("status.id DESC").
Limit(1)
if webOnly {
q = q.
Where("? IS NULL", bun.Ident("status.in_reply_to_uri")).
Where("? IS NULL", bun.Ident("status.boost_of_id")).
Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
Where("? = ?", bun.Ident("status.federated"), true)
}
if err := q.Scan(ctx, &createdAt); err != nil {
return time.Time{}, a.db.ProcessError(err)
}
return createdAt, nil
}
func (a *accountDB) SetAccountHeaderOrAvatar(ctx context.Context, mediaAttachment *gtsmodel.MediaAttachment, accountID string) error {
if *mediaAttachment.Avatar && *mediaAttachment.Header {
return errors.New("one media attachment cannot be both header and avatar")
}
var column bun.Ident
switch {
case *mediaAttachment.Avatar:
column = bun.Ident("account.avatar_media_attachment_id")
case *mediaAttachment.Header:
column = bun.Ident("account.header_media_attachment_id")
default:
return errors.New("given media attachment was neither a header nor an avatar")
}
// TODO: there are probably more side effects here that need to be handled
if _, err := a.db.
NewInsert().
Model(mediaAttachment).
Exec(ctx); err != nil {
return a.db.ProcessError(err)
}
if _, err := a.db.
NewUpdate().
TableExpr("? AS ?", bun.Ident("accounts"), bun.Ident("account")).
Set("? = ?", column, mediaAttachment.ID).
Where("? = ?", bun.Ident("account.id"), accountID).
Exec(ctx); err != nil {
return a.db.ProcessError(err)
}
return nil
}
func (a *accountDB) GetAccountCustomCSSByUsername(ctx context.Context, username string) (string, error) {
account, err := a.GetAccountByUsernameDomain(ctx, username, "")
if err != nil {
return "", err
}
return account.CustomCSS, nil
}
func (a *accountDB) GetAccountsUsingEmoji(ctx context.Context, emojiID string) ([]*gtsmodel.Account, error) {
var accountIDs []string
// SELECT all accounts using this emoji,
// using a relational table for improved perf.
if _, err := a.db.NewSelect().
Table("account_to_emojis").
Column("account_id").
Where("? = ?", bun.Ident("emoji_id"), emojiID).
Exec(ctx, &accountIDs); err != nil {
return nil, a.db.ProcessError(err)
}
// Convert account IDs into account objects.
return a.GetAccountsByIDs(ctx, accountIDs)
}
func (a *accountDB) GetAccountFaves(ctx context.Context, accountID string) ([]*gtsmodel.StatusFave, error) {
faves := new([]*gtsmodel.StatusFave)
if err := a.db.
NewSelect().
Model(faves).
Where("? = ?", bun.Ident("status_fave.account_id"), accountID).
Scan(ctx); err != nil {
return nil, a.db.ProcessError(err)
}
return *faves, nil
}
func (a *accountDB) CountAccountStatuses(ctx context.Context, accountID string) (int, error) {
return a.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Where("? = ?", bun.Ident("status.account_id"), accountID).
Count(ctx)
}
func (a *accountDB) CountAccountPinned(ctx context.Context, accountID string) (int, error) {
return a.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Where("? = ?", bun.Ident("status.account_id"), accountID).
Where("? IS NOT NULL", bun.Ident("status.pinned_at")).
Count(ctx)
}
func (a *accountDB) GetAccountStatuses(ctx context.Context, accountID string, limit int, excludeReplies bool, excludeReblogs bool, maxID string, minID string, mediaOnly bool, publicOnly bool) ([]*gtsmodel.Status, error) {
// Ensure reasonable
if limit < 0 {
limit = 0
}
// Make educated guess for slice size
var (
statusIDs = make([]string, 0, limit)
frontToBack = true
)
q := a.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
// Select only IDs from table
Column("status.id").
Where("? = ?", bun.Ident("status.account_id"), accountID)
if excludeReplies {
q = q.WhereGroup(" AND ", func(*bun.SelectQuery) *bun.SelectQuery {
return q.
// Do include self replies (threads), but
// don't include replies to other people.
Where("? = ?", bun.Ident("status.in_reply_to_account_id"), accountID).
WhereOr("? IS NULL", bun.Ident("status.in_reply_to_uri"))
})
}
if excludeReblogs {
q = q.Where("? IS NULL", bun.Ident("status.boost_of_id"))
}
if mediaOnly {
// Attachments are stored as a json object; this
// implementation differs between SQLite and Postgres,
// so we have to be thorough to cover all eventualities
q = q.WhereGroup(" AND ", func(q *bun.SelectQuery) *bun.SelectQuery {
switch a.db.Dialect().Name() {
case dialect.PG:
return q.
Where("? IS NOT NULL", bun.Ident("status.attachments")).
Where("? != '{}'", bun.Ident("status.attachments"))
case dialect.SQLite:
return q.
Where("? IS NOT NULL", bun.Ident("status.attachments")).
Where("? != ''", bun.Ident("status.attachments")).
Where("? != 'null'", bun.Ident("status.attachments")).
Where("? != '{}'", bun.Ident("status.attachments")).
Where("? != '[]'", bun.Ident("status.attachments"))
default:
log.Panic(ctx, "db dialect was neither pg nor sqlite")
return q
}
})
}
if publicOnly {
q = q.Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic)
}
// return only statuses LOWER (ie., older) than maxID
if maxID == "" {
maxID = id.Highest
}
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
if minID != "" {
// return only statuses HIGHER (ie., newer) than minID
q = q.Where("? > ?", bun.Ident("status.id"), minID)
// page up
frontToBack = false
}
if limit > 0 {
// limit amount of statuses returned
q = q.Limit(limit)
}
if frontToBack {
// Page down.
q = q.Order("status.id DESC")
} else {
// Page up.
q = q.Order("status.id ASC")
}
if err := q.Scan(ctx, &statusIDs); err != nil {
return nil, a.db.ProcessError(err)
}
// If we're paging up, we still want statuses
// to be sorted by ID desc, so reverse ids slice.
// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
if !frontToBack {
for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
}
}
return a.statusesFromIDs(ctx, statusIDs)
}
func (a *accountDB) GetAccountPinnedStatuses(ctx context.Context, accountID string) ([]*gtsmodel.Status, error) {
statusIDs := []string{}
q := a.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Column("status.id").
Where("? = ?", bun.Ident("status.account_id"), accountID).
Where("? IS NOT NULL", bun.Ident("status.pinned_at")).
Order("status.pinned_at DESC")
if err := q.Scan(ctx, &statusIDs); err != nil {
return nil, a.db.ProcessError(err)
}
return a.statusesFromIDs(ctx, statusIDs)
}
func (a *accountDB) GetAccountWebStatuses(ctx context.Context, accountID string, limit int, maxID string) ([]*gtsmodel.Status, error) {
// Ensure reasonable
if limit < 0 {
limit = 0
}
// Make educated guess for slice size
statusIDs := make([]string, 0, limit)
q := a.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
// Select only IDs from table
Column("status.id").
Where("? = ?", bun.Ident("status.account_id"), accountID).
// Don't show replies or boosts.
Where("? IS NULL", bun.Ident("status.in_reply_to_uri")).
Where("? IS NULL", bun.Ident("status.boost_of_id")).
// Only Public statuses.
Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
// Don't show local-only statuses on the web view.
Where("? = ?", bun.Ident("status.federated"), true)
// return only statuses LOWER (ie., older) than maxID
if maxID == "" {
maxID = id.Highest
}
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
if limit > 0 {
// limit amount of statuses returned
q = q.Limit(limit)
}
if limit > 0 {
// limit amount of statuses returned
q = q.Limit(limit)
}
q = q.Order("status.id DESC")
if err := q.Scan(ctx, &statusIDs); err != nil {
return nil, a.db.ProcessError(err)
}
return a.statusesFromIDs(ctx, statusIDs)
}
func (a *accountDB) statusesFromIDs(ctx context.Context, statusIDs []string) ([]*gtsmodel.Status, error) {
// Catch case of no statuses early
if len(statusIDs) == 0 {
return nil, db.ErrNoEntries
}
// Allocate return slice (will be at most len statusIDS)
statuses := make([]*gtsmodel.Status, 0, len(statusIDs))
for _, id := range statusIDs {
// Fetch from status from database by ID
status, err := a.state.DB.GetStatusByID(ctx, id)
if err != nil {
log.Errorf(ctx, "error getting status %q: %v", id, err)
continue
}
// Append to return slice
statuses = append(statuses, status)
}
return statuses, nil
}