mirror of
https://github.com/matrix-org/dendrite
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a6700331ce
* Replace all usages of txn.Stmt with sqlutil.TxStmt Signed-off-by: Sam Day <me@samcday.com> * Fix sign off link in PR template. Signed-off-by: Sam Day <me@samcday.com> Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
172 lines
5.4 KiB
Go
172 lines
5.4 KiB
Go
// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package postgres
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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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"github.com/lib/pq"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/syncapi/storage/tables"
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"github.com/matrix-org/dendrite/syncapi/types"
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)
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const sendToDeviceSchema = `
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CREATE SEQUENCE IF NOT EXISTS syncapi_send_to_device_id;
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-- Stores send-to-device messages.
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CREATE TABLE IF NOT EXISTS syncapi_send_to_device (
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-- The ID that uniquely identifies this message.
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id BIGINT PRIMARY KEY DEFAULT nextval('syncapi_send_to_device_id'),
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-- The user ID to send the message to.
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user_id TEXT NOT NULL,
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-- The device ID to send the message to.
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device_id TEXT NOT NULL,
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-- The event content JSON.
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content TEXT NOT NULL,
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-- The token that was supplied to the /sync at the time that this
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-- message was included in a sync response, or NULL if we haven't
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-- included it in a /sync response yet.
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sent_by_token TEXT
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);
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`
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const insertSendToDeviceMessageSQL = `
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INSERT INTO syncapi_send_to_device (user_id, device_id, content)
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VALUES ($1, $2, $3)
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`
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const countSendToDeviceMessagesSQL = `
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SELECT COUNT(*)
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FROM syncapi_send_to_device
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WHERE user_id = $1 AND device_id = $2
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`
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const selectSendToDeviceMessagesSQL = `
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SELECT id, user_id, device_id, content, sent_by_token
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FROM syncapi_send_to_device
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WHERE user_id = $1 AND device_id = $2
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ORDER BY id DESC
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`
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const updateSentSendToDeviceMessagesSQL = `
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UPDATE syncapi_send_to_device SET sent_by_token = $1
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WHERE id = ANY($2)
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`
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const deleteSendToDeviceMessagesSQL = `
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DELETE FROM syncapi_send_to_device WHERE id = ANY($1)
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`
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type sendToDeviceStatements struct {
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insertSendToDeviceMessageStmt *sql.Stmt
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countSendToDeviceMessagesStmt *sql.Stmt
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selectSendToDeviceMessagesStmt *sql.Stmt
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updateSentSendToDeviceMessagesStmt *sql.Stmt
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deleteSendToDeviceMessagesStmt *sql.Stmt
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}
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func NewPostgresSendToDeviceTable(db *sql.DB) (tables.SendToDevice, error) {
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s := &sendToDeviceStatements{}
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_, err := db.Exec(sendToDeviceSchema)
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if err != nil {
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return nil, err
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}
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if s.insertSendToDeviceMessageStmt, err = db.Prepare(insertSendToDeviceMessageSQL); err != nil {
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return nil, err
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}
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if s.countSendToDeviceMessagesStmt, err = db.Prepare(countSendToDeviceMessagesSQL); err != nil {
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return nil, err
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}
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if s.selectSendToDeviceMessagesStmt, err = db.Prepare(selectSendToDeviceMessagesSQL); err != nil {
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return nil, err
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}
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if s.updateSentSendToDeviceMessagesStmt, err = db.Prepare(updateSentSendToDeviceMessagesSQL); err != nil {
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return nil, err
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}
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if s.deleteSendToDeviceMessagesStmt, err = db.Prepare(deleteSendToDeviceMessagesSQL); err != nil {
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return nil, err
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}
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return s, nil
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}
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func (s *sendToDeviceStatements) InsertSendToDeviceMessage(
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ctx context.Context, txn *sql.Tx, userID, deviceID, content string,
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) (err error) {
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_, err = sqlutil.TxStmt(txn, s.insertSendToDeviceMessageStmt).ExecContext(ctx, userID, deviceID, content)
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return
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}
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func (s *sendToDeviceStatements) CountSendToDeviceMessages(
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ctx context.Context, txn *sql.Tx, userID, deviceID string,
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) (count int, err error) {
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row := sqlutil.TxStmt(txn, s.countSendToDeviceMessagesStmt).QueryRowContext(ctx, userID, deviceID)
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if err = row.Scan(&count); err != nil {
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return
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}
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return count, nil
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}
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func (s *sendToDeviceStatements) SelectSendToDeviceMessages(
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ctx context.Context, txn *sql.Tx, userID, deviceID string,
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) (events []types.SendToDeviceEvent, err error) {
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rows, err := sqlutil.TxStmt(txn, s.selectSendToDeviceMessagesStmt).QueryContext(ctx, userID, deviceID)
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if err != nil {
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return
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}
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defer internal.CloseAndLogIfError(ctx, rows, "SelectSendToDeviceMessages: rows.close() failed")
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for rows.Next() {
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var id types.SendToDeviceNID
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var userID, deviceID, content string
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var sentByToken *string
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if err = rows.Scan(&id, &userID, &deviceID, &content, &sentByToken); err != nil {
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return
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}
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event := types.SendToDeviceEvent{
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ID: id,
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UserID: userID,
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DeviceID: deviceID,
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}
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if err = json.Unmarshal([]byte(content), &event.SendToDeviceEvent); err != nil {
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return
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}
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if sentByToken != nil {
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if token, err := types.NewStreamTokenFromString(*sentByToken); err == nil {
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event.SentByToken = &token
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}
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}
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events = append(events, event)
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}
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return events, rows.Err()
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}
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func (s *sendToDeviceStatements) UpdateSentSendToDeviceMessages(
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ctx context.Context, txn *sql.Tx, token string, nids []types.SendToDeviceNID,
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) (err error) {
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_, err = sqlutil.TxStmt(txn, s.updateSentSendToDeviceMessagesStmt).ExecContext(ctx, token, pq.Array(nids))
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return
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}
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func (s *sendToDeviceStatements) DeleteSendToDeviceMessages(
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ctx context.Context, txn *sql.Tx, nids []types.SendToDeviceNID,
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) (err error) {
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_, err = sqlutil.TxStmt(txn, s.deleteSendToDeviceMessagesStmt).ExecContext(ctx, pq.Array(nids))
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return
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}
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