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dendrite/syncapi/storage/postgres/notification_data_table.go
2022-09-09 13:06:42 +01:00

108 lines
3.9 KiB
Go

// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package postgres
import (
"context"
"database/sql"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/eventutil"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
)
func NewPostgresNotificationDataTable(db *sql.DB) (tables.NotificationData, error) {
_, err := db.Exec(notificationDataSchema)
if err != nil {
return nil, err
}
r := &notificationDataStatements{}
return r, sqlutil.StatementList{
{&r.upsertRoomUnreadCounts, upsertRoomUnreadNotificationCountsSQL},
{&r.selectUserUnreadCounts, selectUserUnreadNotificationCountsSQL},
{&r.selectMaxID, selectMaxNotificationIDSQL},
}.Prepare(db)
}
type notificationDataStatements struct {
upsertRoomUnreadCounts *sql.Stmt
selectUserUnreadCounts *sql.Stmt
selectMaxID *sql.Stmt
}
const notificationDataSchema = `
CREATE TABLE IF NOT EXISTS syncapi_notification_data (
id BIGSERIAL PRIMARY KEY,
user_id TEXT NOT NULL,
room_id TEXT NOT NULL,
notification_count BIGINT NOT NULL DEFAULT 0,
highlight_count BIGINT NOT NULL DEFAULT 0,
CONSTRAINT syncapi_notification_data_unique UNIQUE (user_id, room_id)
);`
const upsertRoomUnreadNotificationCountsSQL = `INSERT INTO syncapi_notification_data
(user_id, room_id, notification_count, highlight_count)
VALUES ($1, $2, $3, $4)
ON CONFLICT (user_id, room_id)
DO UPDATE SET id = nextval('syncapi_notification_data_id_seq'), notification_count = $3, highlight_count = $4
RETURNING id`
const selectUserUnreadNotificationCountsSQL = `SELECT
id, room_id, notification_count, highlight_count
FROM syncapi_notification_data
WHERE
user_id = $1 AND
id BETWEEN $2 + 1 AND $3`
const selectMaxNotificationIDSQL = `SELECT CASE COUNT(*) WHEN 0 THEN 0 ELSE MAX(id) END FROM syncapi_notification_data`
func (r *notificationDataStatements) UpsertRoomUnreadCounts(ctx context.Context, txn *sql.Tx, userID, roomID string, notificationCount, highlightCount int) (pos types.StreamPosition, err error) {
err = sqlutil.TxStmt(txn, r.upsertRoomUnreadCounts).QueryRowContext(ctx, userID, roomID, notificationCount, highlightCount).Scan(&pos)
return
}
func (r *notificationDataStatements) SelectUserUnreadCounts(ctx context.Context, txn *sql.Tx, userID string, fromExcl, toIncl types.StreamPosition) (map[string]*eventutil.NotificationData, error) {
rows, err := sqlutil.TxStmt(txn, r.selectUserUnreadCounts).QueryContext(ctx, userID, fromExcl, toIncl)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectUserUnreadCounts: rows.close() failed")
roomCounts := map[string]*eventutil.NotificationData{}
for rows.Next() {
var id types.StreamPosition
var roomID string
var notificationCount, highlightCount int
if err = rows.Scan(&id, &roomID, &notificationCount, &highlightCount); err != nil {
return nil, err
}
roomCounts[roomID] = &eventutil.NotificationData{
RoomID: roomID,
UnreadNotificationCount: notificationCount,
UnreadHighlightCount: highlightCount,
}
}
return roomCounts, rows.Err()
}
func (r *notificationDataStatements) SelectMaxID(ctx context.Context, txn *sql.Tx) (int64, error) {
var id int64
err := sqlutil.TxStmt(txn, r.selectMaxID).QueryRowContext(ctx).Scan(&id)
return id, err
}