578 lines
12 KiB
Go
578 lines
12 KiB
Go
package protocol
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import (
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"context"
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"database/sql"
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"encoding/json"
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"fmt"
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"strings"
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"github.com/status-im/status-go/protocol/protobuf"
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"github.com/pkg/errors"
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)
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var (
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errRecordNotFound = errors.New("record not found")
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)
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func (db sqlitePersistence) tableUserMessagesLegacyAllFields() string {
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return `id,
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whisper_timestamp,
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source,
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text,
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content_type,
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username,
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timestamp,
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chat_id,
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local_chat_id,
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message_type,
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clock_value,
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seen,
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outgoing_status,
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parsed_text,
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sticker_pack,
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sticker_hash,
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command_id,
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command_value,
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command_from,
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command_address,
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command_contract,
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command_transaction_hash,
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command_state,
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command_signature,
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response_to`
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}
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func (db sqlitePersistence) tableUserMessagesLegacyAllFieldsJoin() string {
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return `m1.id,
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m1.whisper_timestamp,
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m1.source,
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m1.text,
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m1.content_type,
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m1.username,
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m1.timestamp,
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m1.chat_id,
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m1.local_chat_id,
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m1.message_type,
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m1.clock_value,
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m1.seen,
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m1.outgoing_status,
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m1.parsed_text,
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m1.sticker_pack,
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m1.sticker_hash,
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m1.command_id,
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m1.command_value,
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m1.command_from,
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m1.command_address,
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m1.command_contract,
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m1.command_transaction_hash,
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m1.command_state,
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m1.command_signature,
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m1.response_to,
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m2.source,
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m2.text,
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c.alias,
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c.identicon`
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}
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func (db sqlitePersistence) tableUserMessagesLegacyAllFieldsCount() int {
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return strings.Count(db.tableUserMessagesLegacyAllFields(), ",") + 1
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}
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type scanner interface {
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Scan(dest ...interface{}) error
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}
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func (db sqlitePersistence) tableUserMessagesLegacyScanAllFields(row scanner, message *Message, others ...interface{}) error {
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var quotedText sql.NullString
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var quotedFrom sql.NullString
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var alias sql.NullString
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var identicon sql.NullString
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sticker := &protobuf.StickerMessage{}
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command := &CommandParameters{}
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args := []interface{}{
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&message.ID,
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&message.WhisperTimestamp,
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&message.From, // source in table
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&message.Text,
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&message.ContentType,
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&message.Alias,
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&message.Timestamp,
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&message.ChatId,
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&message.LocalChatID,
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&message.MessageType,
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&message.Clock,
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&message.Seen,
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&message.OutgoingStatus,
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&message.ParsedText,
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&sticker.Pack,
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&sticker.Hash,
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&command.ID,
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&command.Value,
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&command.From,
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&command.Address,
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&command.Contract,
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&command.TransactionHash,
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&command.CommandState,
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&command.Signature,
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&message.ResponseTo,
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"edFrom,
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"edText,
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&alias,
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&identicon,
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}
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err := row.Scan(append(args, others...)...)
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if err != nil {
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return err
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}
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if quotedText.Valid {
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message.QuotedMessage = &QuotedMessage{
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From: quotedFrom.String,
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Text: quotedText.String,
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}
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}
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message.Alias = alias.String
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message.Identicon = identicon.String
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if message.ContentType == protobuf.ChatMessage_STICKER {
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message.Payload = &protobuf.ChatMessage_Sticker{Sticker: sticker}
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}
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if message.ContentType == protobuf.ChatMessage_TRANSACTION_COMMAND {
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message.CommandParameters = command
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}
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return nil
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}
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func (db sqlitePersistence) tableUserMessagesLegacyAllValues(message *Message) ([]interface{}, error) {
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sticker := message.GetSticker()
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if sticker == nil {
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sticker = &protobuf.StickerMessage{}
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}
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command := message.CommandParameters
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if command == nil {
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command = &CommandParameters{}
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}
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return []interface{}{
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message.ID,
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message.WhisperTimestamp,
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message.From, // source in table
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message.Text,
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message.ContentType,
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message.Alias,
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message.Timestamp,
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message.ChatId,
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message.LocalChatID,
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message.MessageType,
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message.Clock,
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message.Seen,
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message.OutgoingStatus,
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message.ParsedText,
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sticker.Pack,
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sticker.Hash,
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command.ID,
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command.Value,
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command.From,
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command.Address,
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command.Contract,
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command.TransactionHash,
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command.CommandState,
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command.Signature,
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message.ResponseTo,
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}, nil
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}
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func (db sqlitePersistence) messageByID(tx *sql.Tx, id string) (*Message, error) {
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var err error
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if tx == nil {
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tx, err = db.db.BeginTx(context.Background(), &sql.TxOptions{})
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if err != nil {
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return nil, err
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}
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defer func() {
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if err == nil {
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err = tx.Commit()
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return
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}
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// don't shadow original error
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_ = tx.Rollback()
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}()
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}
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var message Message
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allFields := db.tableUserMessagesLegacyAllFieldsJoin()
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row := tx.QueryRow(
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fmt.Sprintf(`
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SELECT
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%s
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FROM
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user_messages m1
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LEFT JOIN
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user_messages m2
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ON
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m1.response_to = m2.id
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LEFT JOIN
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contacts c
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ON
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m1.source = c.id
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WHERE
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m1.id = ?
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`, allFields),
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id,
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)
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err = db.tableUserMessagesLegacyScanAllFields(row, &message)
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switch err {
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case sql.ErrNoRows:
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return nil, errRecordNotFound
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case nil:
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return &message, nil
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default:
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return nil, err
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}
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}
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func (db sqlitePersistence) MessageByCommandID(chatID, id string) (*Message, error) {
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var message Message
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allFields := db.tableUserMessagesLegacyAllFieldsJoin()
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row := db.db.QueryRow(
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fmt.Sprintf(`
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SELECT
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%s
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FROM
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user_messages m1
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LEFT JOIN
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user_messages m2
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ON
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m1.response_to = m2.id
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LEFT JOIN
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contacts c
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ON
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m1.source = c.id
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WHERE
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m1.command_id = ?
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AND
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m1.local_chat_id = ?
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ORDER BY m1.clock_value DESC
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LIMIT 1
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`, allFields),
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id,
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chatID,
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)
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err := db.tableUserMessagesLegacyScanAllFields(row, &message)
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switch err {
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case sql.ErrNoRows:
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return nil, errRecordNotFound
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case nil:
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return &message, nil
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default:
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return nil, err
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}
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}
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func (db sqlitePersistence) MessageByID(id string) (*Message, error) {
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return db.messageByID(nil, id)
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}
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func (db sqlitePersistence) MessagesExist(ids []string) (map[string]bool, error) {
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result := make(map[string]bool)
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if len(ids) == 0 {
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return result, nil
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}
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idsArgs := make([]interface{}, 0, len(ids))
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for _, id := range ids {
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idsArgs = append(idsArgs, id)
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}
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inVector := strings.Repeat("?, ", len(ids)-1) + "?"
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query := fmt.Sprintf(`SELECT id FROM user_messages WHERE id IN (%s)`, inVector)
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rows, err := db.db.Query(query, idsArgs...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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for rows.Next() {
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var id string
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err := rows.Scan(&id)
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if err != nil {
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return nil, err
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}
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result[id] = true
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}
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return result, nil
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}
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// MessageByChatID returns all messages for a given chatID in descending order.
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// Ordering is accomplished using two concatenated values: ClockValue and ID.
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// These two values are also used to compose a cursor which is returned to the result.
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func (db sqlitePersistence) MessageByChatID(chatID string, currCursor string, limit int) ([]*Message, string, error) {
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cursorWhere := ""
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if currCursor != "" {
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cursorWhere = "AND cursor <= ?"
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}
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allFields := db.tableUserMessagesLegacyAllFieldsJoin()
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args := []interface{}{chatID}
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if currCursor != "" {
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args = append(args, currCursor)
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}
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// Build a new column `cursor` at the query time by having a fixed-sized clock value at the beginning
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// concatenated with message ID. Results are sorted using this new column.
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// This new column values can also be returned as a cursor for subsequent requests.
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rows, err := db.db.Query(
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fmt.Sprintf(`
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SELECT
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%s,
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substr('0000000000000000000000000000000000000000000000000000000000000000' || m1.clock_value, -64, 64) || m1.id as cursor
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FROM
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user_messages m1
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LEFT JOIN
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user_messages m2
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ON
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m1.response_to = m2.id
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LEFT JOIN
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contacts c
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ON
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m1.source = c.id
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WHERE
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m1.hide != 1 AND m1.local_chat_id = ? %s
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ORDER BY cursor DESC
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LIMIT ?
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`, allFields, cursorWhere),
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append(args, limit+1)..., // take one more to figure our whether a cursor should be returned
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)
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if err != nil {
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return nil, "", err
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}
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defer rows.Close()
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var (
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result []*Message
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cursors []string
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)
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for rows.Next() {
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var (
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message Message
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cursor string
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)
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if err := db.tableUserMessagesLegacyScanAllFields(rows, &message, &cursor); err != nil {
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return nil, "", err
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}
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result = append(result, &message)
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cursors = append(cursors, cursor)
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}
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var newCursor string
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if len(result) > limit {
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newCursor = cursors[limit]
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result = result[:limit]
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}
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return result, newCursor, nil
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}
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func (db sqlitePersistence) SaveMessagesLegacy(messages []*Message) (err error) {
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tx, err := db.db.BeginTx(context.Background(), &sql.TxOptions{})
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if err != nil {
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return
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}
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defer func() {
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if err == nil {
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err = tx.Commit()
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return
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}
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// don't shadow original error
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_ = tx.Rollback()
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}()
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allFields := db.tableUserMessagesLegacyAllFields()
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valuesVector := strings.Repeat("?, ", db.tableUserMessagesLegacyAllFieldsCount()-1) + "?"
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query := fmt.Sprintf(`INSERT INTO user_messages(%s) VALUES (%s)`, allFields, valuesVector)
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stmt, err := tx.Prepare(query)
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if err != nil {
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return
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}
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for _, msg := range messages {
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var allValues []interface{}
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allValues, err = db.tableUserMessagesLegacyAllValues(msg)
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if err != nil {
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return
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}
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_, err = stmt.Exec(allValues...)
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if err != nil {
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return
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}
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}
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return
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}
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func (db sqlitePersistence) DeleteMessage(id string) error {
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_, err := db.db.Exec(`DELETE FROM user_messages WHERE id = ?`, id)
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return err
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}
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func (db sqlitePersistence) HideMessage(id string) error {
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_, err := db.db.Exec(`UPDATE user_messages SET hide = 1 WHERE id = ?`, id)
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return err
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}
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func (db sqlitePersistence) DeleteMessagesByChatID(id string) error {
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_, err := db.db.Exec(`DELETE FROM user_messages WHERE local_chat_id = ?`, id)
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return err
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}
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func (db sqlitePersistence) MarkMessagesSeen(chatID string, ids []string) error {
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tx, err := db.db.BeginTx(context.Background(), &sql.TxOptions{})
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if err != nil {
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return err
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}
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defer func() {
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if err == nil {
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err = tx.Commit()
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return
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}
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// don't shadow original error
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_ = tx.Rollback()
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}()
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idsArgs := make([]interface{}, 0, len(ids))
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for _, id := range ids {
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idsArgs = append(idsArgs, id)
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}
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inVector := strings.Repeat("?, ", len(ids)-1) + "?"
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_, err = tx.Exec(
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fmt.Sprintf(`
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UPDATE user_messages
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SET seen = 1
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WHERE id IN (%s)
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`, inVector),
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idsArgs...)
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if err != nil {
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return err
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}
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// Update denormalized count
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_, err = tx.Exec(
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`UPDATE chats
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SET unviewed_message_count =
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(SELECT COUNT(1)
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FROM user_messages
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WHERE local_chat_id = ? AND seen = 0)
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WHERE id = ?`, chatID, chatID)
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return err
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}
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func (db sqlitePersistence) UpdateMessageOutgoingStatus(id string, newOutgoingStatus string) error {
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_, err := db.db.Exec(`
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UPDATE user_messages
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SET outgoing_status = ?
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WHERE id = ?
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`, newOutgoingStatus, id)
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return err
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}
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// BlockContact updates a contact, deletes all the messages and 1-to-1 chat, updates the unread messages count and returns a map with the new count
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func (db sqlitePersistence) BlockContact(contact *Contact) ([]*Chat, error) {
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var chats []*Chat
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tx, err := db.db.BeginTx(context.Background(), &sql.TxOptions{})
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if err != nil {
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return nil, err
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}
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defer func() {
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if err == nil {
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err = tx.Commit()
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return
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}
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// don't shadow original error
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_ = tx.Rollback()
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}()
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// Delete messages
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_, err = tx.Exec(
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`DELETE
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FROM user_messages
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WHERE source = ?`,
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contact.ID,
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)
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if err != nil {
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return nil, err
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}
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// Update contact
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err = db.SaveContact(contact, tx)
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if err != nil {
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return nil, err
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}
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// Delete one-to-one chat
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_, err = tx.Exec("DELETE FROM chats WHERE id = ?", contact.ID)
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if err != nil {
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return nil, err
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}
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// Recalculate denormalized fields
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_, err = tx.Exec(`
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UPDATE chats
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SET
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unviewed_message_count = (SELECT COUNT(1) FROM user_messages WHERE seen = 0 AND local_chat_id = chats.id)`)
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if err != nil {
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return nil, err
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}
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// return the updated chats
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chats, err = db.chats(tx)
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if err != nil {
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return nil, err
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}
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for _, c := range chats {
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var lastMessageID string
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row := tx.QueryRow(`SELECT id FROM user_messages WHERE local_chat_id = ? ORDER BY clock_value DESC LIMIT 1`, c.ID)
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switch err := row.Scan(&lastMessageID); err {
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case nil:
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message, err := db.messageByID(tx, lastMessageID)
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if err != nil {
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return nil, err
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}
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if message != nil {
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encodedMessage, err := json.Marshal(message)
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if err != nil {
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return nil, err
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}
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_, err = tx.Exec(`UPDATE chats SET last_message = ? WHERE id = ?`, encodedMessage, c.ID)
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if err != nil {
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return nil, err
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}
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c.LastMessage = encodedMessage
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}
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case sql.ErrNoRows:
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// Reset LastMessage
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_, err = tx.Exec(`UPDATE chats SET last_message = NULL WHERE id = ?`, c.ID)
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if err != nil {
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return nil, err
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}
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c.LastMessage = nil
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default:
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return nil, err
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}
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}
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return chats, err
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}
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