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/*
GoToSocial
Copyright (C) 2021-2023 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 trans
import (
"context"
"encoding/json"
"errors"
"fmt"
"io"
"os"
"github.com/superseriousbusiness/gotosocial/internal/log"
transmodel "github.com/superseriousbusiness/gotosocial/internal/trans/model"
)
func (i *importer) Import(ctx context.Context, path string) error {
if path == "" {
return errors.New("Export: path empty")
}
file, err := os.Open(path)
if err != nil {
return fmt.Errorf("Import: couldn't export to %s: %s", path, err)
}
decoder := json.NewDecoder(file)
decoder.UseNumber()
for {
entry := transmodel.Entry{}
err := decoder.Decode(&entry)
if err != nil {
if err == io.EOF {
log.Infof("Import: reached end of file")
return neatClose(file)
}
return fmt.Errorf("Import: error decoding in readLoop: %s", err)
}
if err := i.inputEntry(ctx, entry); err != nil {
return fmt.Errorf("Import: error inputting entry: %s", err)
}
}
}
func (i *importer) inputEntry(ctx context.Context, entry transmodel.Entry) error {
t, ok := entry[transmodel.TypeKey].(string)
if !ok {
return errors.New("inputEntry: could not derive entry type: missing or malformed 'type' key in json")
}
switch transmodel.Type(t) {
case transmodel.TransAccount:
account, err := i.accountDecode(entry)
if err != nil {
return fmt.Errorf("inputEntry: error decoding entry into account: %s", err)
}
if err := i.putInDB(ctx, account); err != nil {
return fmt.Errorf("inputEntry: error adding account to database: %s", err)
}
log.Infof("inputEntry: added account with id %s", account.ID)
return nil
case transmodel.TransBlock:
block, err := i.blockDecode(entry)
if err != nil {
return fmt.Errorf("inputEntry: error decoding entry into block: %s", err)
}
if err := i.putInDB(ctx, block); err != nil {
return fmt.Errorf("inputEntry: error adding block to database: %s", err)
}
log.Infof("inputEntry: added block with id %s", block.ID)
return nil
case transmodel.TransDomainBlock:
block, err := i.domainBlockDecode(entry)
if err != nil {
return fmt.Errorf("inputEntry: error decoding entry into domain block: %s", err)
}
if err := i.putInDB(ctx, block); err != nil {
return fmt.Errorf("inputEntry: error adding domain block to database: %s", err)
}
log.Infof("inputEntry: added domain block with id %s", block.ID)
return nil
case transmodel.TransFollow:
follow, err := i.followDecode(entry)
if err != nil {
return fmt.Errorf("inputEntry: error decoding entry into follow: %s", err)
}
if err := i.putInDB(ctx, follow); err != nil {
return fmt.Errorf("inputEntry: error adding follow to database: %s", err)
}
log.Infof("inputEntry: added follow with id %s", follow.ID)
return nil
case transmodel.TransFollowRequest:
fr, err := i.followRequestDecode(entry)
if err != nil {
return fmt.Errorf("inputEntry: error decoding entry into follow request: %s", err)
}
if err := i.putInDB(ctx, fr); err != nil {
return fmt.Errorf("inputEntry: error adding follow request to database: %s", err)
}
log.Infof("inputEntry: added follow request with id %s", fr.ID)
return nil
case transmodel.TransInstance:
inst, err := i.instanceDecode(entry)
if err != nil {
return fmt.Errorf("inputEntry: error decoding entry into instance: %s", err)
}
if err := i.putInDB(ctx, inst); err != nil {
return fmt.Errorf("inputEntry: error adding instance to database: %s", err)
}
log.Infof("inputEntry: added instance with id %s", inst.ID)
return nil
case transmodel.TransUser:
user, err := i.userDecode(entry)
if err != nil {
return fmt.Errorf("inputEntry: error decoding entry into user: %s", err)
}
if err := i.putInDB(ctx, user); err != nil {
return fmt.Errorf("inputEntry: error adding user to database: %s", err)
}
log.Infof("inputEntry: added user with id %s", user.ID)
return nil
}
log.Errorf("inputEntry: didn't recognize transtype '%s', skipping it", t)
return nil
}
func (i *importer) putInDB(ctx context.Context, entry interface{}) error {
return i.db.Put(ctx, entry)
}
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