dendrite/relayapi/storage/interface.go

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// Copyright 2022 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 storage
import (
"context"
"github.com/matrix-org/dendrite/federationapi/storage/shared/receipt"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/spec"
)
type Database interface {
// Adds a new transaction to the queue json table.
// Adding a duplicate transaction will result in a new row being added and a new unique nid.
// return: unique nid representing this entry.
StoreTransaction(ctx context.Context, txn gomatrixserverlib.Transaction) (*receipt.Receipt, error)
// Adds a new transaction_id: server_name mapping with associated json table nid to the queue
// entry table for each provided destination.
AssociateTransactionWithDestinations(ctx context.Context, destinations map[spec.UserID]struct{}, transactionID gomatrixserverlib.TransactionID, dbReceipt *receipt.Receipt) error
// Removes every server_name: receipt pair provided from the queue entries table.
// Will then remove every entry for each receipt provided from the queue json table.
// If any of the entries don't exist in either table, nothing will happen for that entry and
// an error will not be generated.
CleanTransactions(ctx context.Context, userID spec.UserID, receipts []*receipt.Receipt) error
// Gets the oldest transaction for the provided server_name.
// If no transactions exist, returns nil and no error.
GetTransaction(ctx context.Context, userID spec.UserID) (*gomatrixserverlib.Transaction, *receipt.Receipt, error)
// Gets the number of transactions being stored for the provided server_name.
// If the server doesn't exist in the database then 0 is returned with no error.
GetTransactionCount(ctx context.Context, userID spec.UserID) (int64, error)
}