mirror of
https://github.com/matrix-org/dendrite
synced 2024-07-25 14:28:42 +02:00
87 lines
5.3 KiB
Go
87 lines
5.3 KiB
Go
// Copyright 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 storage
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import (
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"context"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type Database interface {
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// Store the room state at an event in the database
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AddState(
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ctx context.Context,
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roomNID types.RoomNID,
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stateBlockNIDs []types.StateBlockNID,
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state []types.StateEntry,
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) (types.StateSnapshotNID, error)
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// Look up the state of a room at each event for a list of string event IDs.
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// Returns an error if there is an error talking to the database
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// Returns a types.MissingEventError if the room state for the event IDs aren't in the database
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StateAtEventIDs(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
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// Look up the numeric IDs for a list of string event types.
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// Returns a map from string event type to numeric ID for the event type.
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EventTypeNIDs(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
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// Look up the numeric IDs for a list of string event state keys.
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// Returns a map from string state key to numeric ID for the state key.
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EventStateKeyNIDs(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
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// Look up the numeric state data IDs for each numeric state snapshot ID
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// The returned slice is sorted by numeric state snapshot ID.
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StateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
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// Look up the state data for each numeric state data ID
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// The returned slice is sorted by numeric state data ID.
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StateEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID) ([]types.StateEntryList, error)
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// Look up the state data for the state key tuples for each numeric state block ID
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// This is used to fetch a subset of the room state at a snapshot.
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// If a block doesn't contain any of the requested tuples then it can be discarded from the result.
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// The returned slice is sorted by numeric state block ID.
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StateEntriesForTuples(
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ctx context.Context,
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stateBlockNIDs []types.StateBlockNID,
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stateKeyTuples []types.StateKeyTuple,
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) ([]types.StateEntryList, error)
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// Look up the Events for a list of numeric event IDs.
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// Returns a sorted list of events.
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Events(ctx context.Context, eventNIDs []types.EventNID) ([]types.Event, error)
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// Look up snapshot NID for an event ID string
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SnapshotNIDFromEventID(ctx context.Context, eventID string) (types.StateSnapshotNID, error)
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// Look up a room version from the room NID.
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GetRoomVersionForRoomNID(ctx context.Context, roomNID types.RoomNID) (gomatrixserverlib.RoomVersion, error)
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StoreEvent(ctx context.Context, event gomatrixserverlib.Event, txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID) (types.RoomNID, types.StateAtEvent, error)
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StateEntriesForEventIDs(ctx context.Context, eventIDs []string) ([]types.StateEntry, error)
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EventStateKeys(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
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EventNIDs(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error)
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SetState(ctx context.Context, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
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EventIDs(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
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GetLatestEventsForUpdate(ctx context.Context, roomNID types.RoomNID) (types.RoomRecentEventsUpdater, error)
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GetTransactionEventID(ctx context.Context, transactionID string, sessionID int64, userID string) (string, error)
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RoomNID(ctx context.Context, roomID string) (types.RoomNID, error)
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LatestEventIDs(ctx context.Context, roomNID types.RoomNID) ([]gomatrixserverlib.EventReference, types.StateSnapshotNID, int64, error)
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GetInvitesForUser(ctx context.Context, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (senderUserIDs []types.EventStateKeyNID, err error)
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SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error
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GetRoomIDForAlias(ctx context.Context, alias string) (string, error)
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GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error)
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GetCreatorIDForAlias(ctx context.Context, alias string) (string, error)
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RemoveRoomAlias(ctx context.Context, alias string) error
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MembershipUpdater(ctx context.Context, roomID, targetUserID string, roomVersion gomatrixserverlib.RoomVersion) (types.MembershipUpdater, error)
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GetMembership(ctx context.Context, roomNID types.RoomNID, requestSenderUserID string) (membershipEventNID types.EventNID, stillInRoom bool, err error)
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GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool) ([]types.EventNID, error)
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EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error)
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GetRoomVersionForRoom(ctx context.Context, roomID string) (gomatrixserverlib.RoomVersion, error)
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}
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