mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-25 13:11:37 +00:00
a7f12bce79
* Convert invites table * Convert membership table * Factor out remaining functions except for *Updater structs * Remove 'implements' comments from long-forgotten interfaces. Move those comments to storage.Database
143 lines
9.0 KiB
Go
143 lines
9.0 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 storage
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/matrix-org/dendrite/roomserver/api"
|
|
"github.com/matrix-org/dendrite/roomserver/types"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
type Database interface {
|
|
// Store the room state at an event in the database
|
|
AddState(
|
|
ctx context.Context,
|
|
roomNID types.RoomNID,
|
|
stateBlockNIDs []types.StateBlockNID,
|
|
state []types.StateEntry,
|
|
) (types.StateSnapshotNID, error)
|
|
// Look up the state of a room at each event for a list of string event IDs.
|
|
// Returns an error if there is an error talking to the database.
|
|
// The length of []types.StateAtEvent is guaranteed to equal the length of eventIDs if no error is returned.
|
|
// Returns a types.MissingEventError if the room state for the event IDs aren't in the database
|
|
StateAtEventIDs(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
|
|
// Look up the numeric IDs for a list of string event types.
|
|
// Returns a map from string event type to numeric ID for the event type.
|
|
EventTypeNIDs(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
|
|
// Look up the numeric IDs for a list of string event state keys.
|
|
// Returns a map from string state key to numeric ID for the state key.
|
|
EventStateKeyNIDs(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
|
|
// Look up the numeric state data IDs for each numeric state snapshot ID
|
|
// The returned slice is sorted by numeric state snapshot ID.
|
|
StateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
|
|
// Look up the state data for each numeric state data ID
|
|
// The returned slice is sorted by numeric state data ID.
|
|
StateEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID) ([]types.StateEntryList, error)
|
|
// Look up the state data for the state key tuples for each numeric state block ID
|
|
// This is used to fetch a subset of the room state at a snapshot.
|
|
// If a block doesn't contain any of the requested tuples then it can be discarded from the result.
|
|
// The returned slice is sorted by numeric state block ID.
|
|
StateEntriesForTuples(
|
|
ctx context.Context,
|
|
stateBlockNIDs []types.StateBlockNID,
|
|
stateKeyTuples []types.StateKeyTuple,
|
|
) ([]types.StateEntryList, error)
|
|
// Look up the Events for a list of numeric event IDs.
|
|
// Returns a sorted list of events.
|
|
Events(ctx context.Context, eventNIDs []types.EventNID) ([]types.Event, error)
|
|
// Look up snapshot NID for an event ID string
|
|
SnapshotNIDFromEventID(ctx context.Context, eventID string) (types.StateSnapshotNID, error)
|
|
// Look up a room version from the room NID.
|
|
GetRoomVersionForRoomNID(ctx context.Context, roomNID types.RoomNID) (gomatrixserverlib.RoomVersion, error)
|
|
// Stores a matrix room event in the database
|
|
StoreEvent(ctx context.Context, event gomatrixserverlib.Event, txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID) (types.RoomNID, types.StateAtEvent, error)
|
|
// Look up the state entries for a list of string event IDs
|
|
// Returns an error if the there is an error talking to the database
|
|
// Returns a types.MissingEventError if the event IDs aren't in the database.
|
|
StateEntriesForEventIDs(ctx context.Context, eventIDs []string) ([]types.StateEntry, error)
|
|
// Look up the string event state keys for a list of numeric event state keys
|
|
// Returns an error if there was a problem talking to the database.
|
|
EventStateKeys(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
|
|
// Look up the numeric IDs for a list of events.
|
|
// Returns an error if there was a problem talking to the database.
|
|
EventNIDs(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error)
|
|
// Set the state at an event. FIXME TODO: "at"
|
|
SetState(ctx context.Context, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
|
|
// Lookup the event IDs for a batch of event numeric IDs.
|
|
// Returns an error if the retrieval went wrong.
|
|
EventIDs(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
|
|
// Look up the latest events in a room in preparation for an update.
|
|
// The RoomRecentEventsUpdater must have Commit or Rollback called on it if this doesn't return an error.
|
|
// Returns the latest events in the room and the last eventID sent to the log along with an updater.
|
|
// If this returns an error then no further action is required.
|
|
GetLatestEventsForUpdate(ctx context.Context, roomNID types.RoomNID) (types.RoomRecentEventsUpdater, error)
|
|
// Look up event ID by transaction's info.
|
|
// This is used to determine if the room event is processed/processing already.
|
|
// Returns an empty string if no such event exists.
|
|
GetTransactionEventID(ctx context.Context, transactionID string, sessionID int64, userID string) (string, error)
|
|
// Look up the numeric ID for the room.
|
|
// Returns 0 if the room doesn't exists.
|
|
// Returns an error if there was a problem talking to the database.
|
|
RoomNID(ctx context.Context, roomID string) (types.RoomNID, error)
|
|
// RoomNIDExcludingStubs is a special variation of RoomNID that will return 0 as if the room
|
|
// does not exist if the room has no latest events. This can happen when we've received an
|
|
// invite over federation for a room that we don't know anything else about yet.
|
|
RoomNIDExcludingStubs(ctx context.Context, roomID string) (types.RoomNID, error)
|
|
// Look up event references for the latest events in the room and the current state snapshot.
|
|
// Returns the latest events, the current state and the maximum depth of the latest events plus 1.
|
|
// Returns an error if there was a problem talking to the database.
|
|
LatestEventIDs(ctx context.Context, roomNID types.RoomNID) ([]gomatrixserverlib.EventReference, types.StateSnapshotNID, int64, error)
|
|
// Look up the active invites targeting a user in a room and return the
|
|
// numeric state key IDs for the user IDs who sent them.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetInvitesForUser(ctx context.Context, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (senderUserIDs []types.EventStateKeyNID, err error)
|
|
// Save a given room alias with the room ID it refers to.
|
|
// Returns an error if there was a problem talking to the database.
|
|
SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error
|
|
// Look up the room ID a given alias refers to.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetRoomIDForAlias(ctx context.Context, alias string) (string, error)
|
|
// Look up all aliases referring to a given room ID.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error)
|
|
// Get the user ID of the creator of an alias.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetCreatorIDForAlias(ctx context.Context, alias string) (string, error)
|
|
// Remove a given room alias.
|
|
// Returns an error if there was a problem talking to the database.
|
|
RemoveRoomAlias(ctx context.Context, alias string) error
|
|
// Build a membership updater for the target user in a room.
|
|
MembershipUpdater(ctx context.Context, roomID, targetUserID string, targetLocal bool, roomVersion gomatrixserverlib.RoomVersion) (types.MembershipUpdater, error)
|
|
// Lookup the membership of a given user in a given room.
|
|
// Returns the numeric ID of the latest membership event sent from this user
|
|
// in this room, along a boolean set to true if the user is still in this room,
|
|
// false if not.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetMembership(ctx context.Context, roomNID types.RoomNID, requestSenderUserID string) (membershipEventNID types.EventNID, stillInRoom bool, err error)
|
|
// Lookup the membership event numeric IDs for all user that are or have
|
|
// been members of a given room. Only lookup events of "join" membership if
|
|
// joinOnly is set to true.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool, localOnly bool) ([]types.EventNID, error)
|
|
// EventsFromIDs looks up the Events for a list of event IDs. Does not error if event was
|
|
// not found.
|
|
// Returns an error if the retrieval went wrong.
|
|
EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error)
|
|
// Look up the room version for a given room.
|
|
GetRoomVersionForRoom(ctx context.Context, roomID string) (gomatrixserverlib.RoomVersion, error)
|
|
}
|