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https://github.com/matrix-org/dendrite.git
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62295ecd70
- Fix issue with last_active_ago not beeing set - Add missing internal server api - Use currval (the actual next free) for the new id - Fix copy&paste error
110 lines
3.3 KiB
Go
110 lines
3.3 KiB
Go
// Copyright 2021 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 postgres
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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/eduserver/api"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/userapi/types"
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)
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const presenceSchema = `
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CREATE SEQUENCE IF NOT EXISTS presence_presence_id;
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-- Stores data about presence
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CREATE TABLE IF NOT EXISTS presence_presences (
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-- The ID
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id BIGINT PRIMARY KEY DEFAULT nextval('presence_presence_id'),
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-- The Matrix user ID
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user_id TEXT NOT NULL,
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-- The actual presence
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presence INT NOT NULL,
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-- The status message
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status_msg TEXT,
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-- The last time an action was received by this user
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last_active_ts BIGINT NOT NULL,
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CONSTRAINT presence_presences_unique UNIQUE (user_id)
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);
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CREATE INDEX IF NOT EXISTS presence_presences_user_id ON presence_presences(user_id);
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`
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const upsertPresenceSQL = "" +
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"INSERT INTO presence_presences" +
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" (user_id, presence, status_msg, last_active_ts)" +
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" VALUES ($1, $2, $3, $4)" +
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" ON CONFLICT (user_id)" +
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" DO UPDATE SET id = currval('presence_presence_id')," +
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" presence = $2, status_msg = COALESCE($3, p.status_msg), last_active_ts = $4" +
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" RETURNING id"
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const selectPresenceForUserSQL = "" +
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"SELECT presence, status_msg, last_active_ts" +
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" FROM presence_presences" +
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" WHERE user_id = $1 LIMIT 1"
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type presenceStatements struct {
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upsertPresenceStmt *sql.Stmt
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selectPresenceForUsersStmt *sql.Stmt
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}
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func (p *presenceStatements) execSchema(db *sql.DB) error {
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_, err := db.Exec(presenceSchema)
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return err
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}
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func (p *presenceStatements) prepare(db *sql.DB) (err error) {
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if p.upsertPresenceStmt, err = db.Prepare(upsertPresenceSQL); err != nil {
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return
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}
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if p.selectPresenceForUsersStmt, err = db.Prepare(selectPresenceForUserSQL); err != nil {
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return
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}
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return
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}
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// UpsertPresence creates/updates a presence status.
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func (p *presenceStatements) UpsertPresence(
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ctx context.Context,
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txn *sql.Tx, userID,
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statusMsg string,
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presence types.PresenceStatus,
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lastActiveTS int64,
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) (pos int64, err error) {
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stmt := sqlutil.TxStmt(txn, p.upsertPresenceStmt)
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msg := &statusMsg
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// avoid clearing status_msg when going idle
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// makes it impossible to delete status_msg, though..
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if statusMsg == "" {
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msg = nil
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}
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err = stmt.QueryRowContext(ctx, userID, presence, msg, lastActiveTS).Scan(&pos)
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return
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}
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// GetPresenceForUser returns the current presence of a user.
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func (p *presenceStatements) GetPresenceForUser(
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ctx context.Context, txn *sql.Tx,
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userID string,
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) (presence api.OutputPresence, err error) {
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presence.UserID = userID
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stmt := sqlutil.TxStmt(txn, p.selectPresenceForUsersStmt)
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err = stmt.QueryRowContext(ctx, userID).Scan(&presence.Presence, &presence.StatusMsg, &presence.LastActiveTS)
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return
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}
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