210 lines
12 KiB
Go
210 lines
12 KiB
Go
package tables
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import (
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"context"
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"database/sql"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/tidwall/gjson"
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)
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type EventJSONPair struct {
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EventNID types.EventNID
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RoomVersion gomatrixserverlib.RoomVersion
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EventJSON []byte
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}
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type EventJSON interface {
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// Insert the event JSON. On conflict, replace the event JSON with the new value (for redactions).
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InsertEventJSON(ctx context.Context, tx *sql.Tx, eventNID types.EventNID, eventJSON []byte) error
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BulkSelectEventJSON(ctx context.Context, eventNIDs []types.EventNID) ([]EventJSONPair, error)
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}
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type EventTypes interface {
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InsertEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
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SelectEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
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BulkSelectEventTypeNID(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
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}
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type EventStateKeys interface {
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InsertEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
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SelectEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
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BulkSelectEventStateKeyNID(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
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BulkSelectEventStateKey(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
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}
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type Events interface {
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InsertEvent(
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ctx context.Context, txn *sql.Tx, i types.RoomNID, j types.EventTypeNID, k types.EventStateKeyNID, eventID string,
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referenceSHA256 []byte, authEventNIDs []types.EventNID, depth int64, isRejected bool,
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) (types.EventNID, types.StateSnapshotNID, error)
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SelectEvent(ctx context.Context, txn *sql.Tx, eventID string) (types.EventNID, types.StateSnapshotNID, error)
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// bulkSelectStateEventByID lookups a list of state events by event ID.
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// If any of the requested events are missing from the database it returns a types.MissingEventError
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BulkSelectStateEventByID(ctx context.Context, eventIDs []string) ([]types.StateEntry, error)
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BulkSelectStateEventByNID(ctx context.Context, eventNIDs []types.EventNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntry, error)
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// BulkSelectStateAtEventByID lookups the state at a list of events by event ID.
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// If any of the requested events are missing from the database it returns a types.MissingEventError.
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// If we do not have the state for any of the requested events it returns a types.MissingEventError.
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BulkSelectStateAtEventByID(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
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UpdateEventState(ctx context.Context, txn *sql.Tx, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
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SelectEventSentToOutput(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) (sentToOutput bool, err error)
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UpdateEventSentToOutput(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) error
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SelectEventID(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) (eventID string, err error)
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BulkSelectStateAtEventAndReference(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) ([]types.StateAtEventAndReference, error)
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BulkSelectEventReference(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) ([]gomatrixserverlib.EventReference, error)
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// BulkSelectEventID returns a map from numeric event ID to string event ID.
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BulkSelectEventID(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
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// BulkSelectEventNIDs returns a map from string event ID to numeric event ID.
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// If an event ID is not in the database then it is omitted from the map.
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BulkSelectEventNID(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error)
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SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error)
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SelectRoomNIDsForEventNIDs(ctx context.Context, eventNIDs []types.EventNID) (roomNIDs map[types.EventNID]types.RoomNID, err error)
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}
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type Rooms interface {
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InsertRoomNID(ctx context.Context, txn *sql.Tx, roomID string, roomVersion gomatrixserverlib.RoomVersion) (types.RoomNID, error)
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SelectRoomNID(ctx context.Context, txn *sql.Tx, roomID string) (types.RoomNID, error)
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SelectLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.StateSnapshotNID, error)
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SelectLatestEventsNIDsForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error)
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UpdateLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventNIDs []types.EventNID, lastEventSentNID types.EventNID, stateSnapshotNID types.StateSnapshotNID) error
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SelectRoomVersionsForRoomNIDs(ctx context.Context, roomNID []types.RoomNID) (map[types.RoomNID]gomatrixserverlib.RoomVersion, error)
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SelectRoomInfo(ctx context.Context, roomID string) (*types.RoomInfo, error)
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SelectRoomIDs(ctx context.Context) ([]string, error)
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BulkSelectRoomIDs(ctx context.Context, roomNIDs []types.RoomNID) ([]string, error)
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BulkSelectRoomNIDs(ctx context.Context, roomIDs []string) ([]types.RoomNID, error)
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}
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type Transactions interface {
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InsertTransaction(ctx context.Context, txn *sql.Tx, transactionID string, sessionID int64, userID string, eventID string) error
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SelectTransactionEventID(ctx context.Context, transactionID string, sessionID int64, userID string) (eventID string, err error)
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}
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type StateSnapshot interface {
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InsertState(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, stateBlockNIDs types.StateBlockNIDs) (stateNID types.StateSnapshotNID, err error)
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BulkSelectStateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
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}
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type StateBlock interface {
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BulkInsertStateData(ctx context.Context, txn *sql.Tx, entries types.StateEntries) (types.StateBlockNID, error)
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BulkSelectStateBlockEntries(ctx context.Context, stateBlockNIDs types.StateBlockNIDs) ([][]types.EventNID, error)
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//BulkSelectFilteredStateBlockEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntryList, error)
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}
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type RoomAliases interface {
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InsertRoomAlias(ctx context.Context, txn *sql.Tx, alias string, roomID string, creatorUserID string) (err error)
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SelectRoomIDFromAlias(ctx context.Context, alias string) (roomID string, err error)
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SelectAliasesFromRoomID(ctx context.Context, roomID string) ([]string, error)
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SelectCreatorIDFromAlias(ctx context.Context, alias string) (creatorID string, err error)
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DeleteRoomAlias(ctx context.Context, txn *sql.Tx, alias string) (err error)
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}
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type PreviousEvents interface {
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InsertPreviousEvent(ctx context.Context, txn *sql.Tx, previousEventID string, previousEventReferenceSHA256 []byte, eventNID types.EventNID) error
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// Check if the event reference exists
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// Returns sql.ErrNoRows if the event reference doesn't exist.
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SelectPreviousEventExists(ctx context.Context, txn *sql.Tx, eventID string, eventReferenceSHA256 []byte) error
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}
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type Invites interface {
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InsertInviteEvent(ctx context.Context, txn *sql.Tx, inviteEventID string, roomNID types.RoomNID, targetUserNID, senderUserNID types.EventStateKeyNID, inviteEventJSON []byte) (bool, error)
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UpdateInviteRetired(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) ([]string, error)
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// SelectInviteActiveForUserInRoom returns a list of sender state key NIDs and invite event IDs matching those nids.
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SelectInviteActiveForUserInRoom(ctx context.Context, targetUserNID types.EventStateKeyNID, roomNID types.RoomNID) ([]types.EventStateKeyNID, []string, error)
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}
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type MembershipState int64
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const (
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MembershipStateLeaveOrBan MembershipState = 1
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MembershipStateInvite MembershipState = 2
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MembershipStateJoin MembershipState = 3
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MembershipStateKnock MembershipState = 4
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)
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type Membership interface {
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InsertMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, localTarget bool) error
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SelectMembershipForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (MembershipState, error)
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SelectMembershipFromRoomAndTarget(ctx context.Context, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (types.EventNID, MembershipState, bool, error)
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SelectMembershipsFromRoom(ctx context.Context, roomNID types.RoomNID, localOnly bool) (eventNIDs []types.EventNID, err error)
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SelectMembershipsFromRoomAndMembership(ctx context.Context, roomNID types.RoomNID, membership MembershipState, localOnly bool) (eventNIDs []types.EventNID, err error)
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UpdateMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, senderUserNID types.EventStateKeyNID, membership MembershipState, eventNID types.EventNID, forgotten bool) error
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SelectRoomsWithMembership(ctx context.Context, userID types.EventStateKeyNID, membershipState MembershipState) ([]types.RoomNID, error)
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// SelectJoinedUsersSetForRooms returns the set of all users in the rooms who are joined to any of these rooms, along with the
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// counts of how many rooms they are joined.
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SelectJoinedUsersSetForRooms(ctx context.Context, roomNIDs []types.RoomNID) (map[types.EventStateKeyNID]int, error)
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SelectKnownUsers(ctx context.Context, userID types.EventStateKeyNID, searchString string, limit int) ([]string, error)
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UpdateForgetMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, forget bool) error
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SelectLocalServerInRoom(ctx context.Context, roomNID types.RoomNID) (bool, error)
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SelectServerInRoom(ctx context.Context, roomNID types.RoomNID, serverName gomatrixserverlib.ServerName) (bool, error)
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}
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type Published interface {
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UpsertRoomPublished(ctx context.Context, txn *sql.Tx, roomID string, published bool) (err error)
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SelectPublishedFromRoomID(ctx context.Context, roomID string) (published bool, err error)
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SelectAllPublishedRooms(ctx context.Context, published bool) ([]string, error)
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}
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type RedactionInfo struct {
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// whether this redaction is validated (we have both events)
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Validated bool
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// the ID of the event being redacted
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RedactsEventID string
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// the ID of the redaction event
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RedactionEventID string
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}
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type Redactions interface {
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InsertRedaction(ctx context.Context, txn *sql.Tx, info RedactionInfo) error
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// SelectRedactionInfoByRedactionEventID returns the redaction info for the given redaction event ID, or nil if there is no match.
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SelectRedactionInfoByRedactionEventID(ctx context.Context, txn *sql.Tx, redactionEventID string) (*RedactionInfo, error)
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// SelectRedactionInfoByEventBeingRedacted returns the redaction info for the given redacted event ID, or nil if there is no match.
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SelectRedactionInfoByEventBeingRedacted(ctx context.Context, txn *sql.Tx, eventID string) (*RedactionInfo, error)
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// Mark this redaction event as having been validated. This means we have both sides of the redaction and have
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// successfully redacted the event JSON.
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MarkRedactionValidated(ctx context.Context, txn *sql.Tx, redactionEventID string, validated bool) error
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}
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// StrippedEvent represents a stripped event for returning extracted content values.
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type StrippedEvent struct {
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RoomID string
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EventType string
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StateKey string
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ContentValue string
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}
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// ExtractContentValue from the given state event. For example, given an m.room.name event with:
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// content: { name: "Foo" }
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// this returns "Foo".
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func ExtractContentValue(ev *gomatrixserverlib.HeaderedEvent) string {
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content := ev.Content()
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key := ""
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switch ev.Type() {
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case gomatrixserverlib.MRoomCreate:
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key = "creator"
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case gomatrixserverlib.MRoomCanonicalAlias:
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key = "alias"
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case gomatrixserverlib.MRoomHistoryVisibility:
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key = "history_visibility"
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case gomatrixserverlib.MRoomJoinRules:
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key = "join_rule"
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case gomatrixserverlib.MRoomMember:
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key = "membership"
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case gomatrixserverlib.MRoomName:
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key = "name"
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case "m.room.avatar":
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key = "url"
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case "m.room.topic":
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key = "topic"
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case "m.room.guest_access":
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key = "guest_access"
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}
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result := gjson.GetBytes(content, key)
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if !result.Exists() {
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return ""
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}
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// this returns the empty string if this is not a string type
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return result.Str
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}
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