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// Copyright 2017 Vector Creations Ltd
//
// 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 postgres
import (
"context"
"database/sql"
"fmt"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
)
const profilesSchema = `
-- Stores data about accounts profiles.
CREATE TABLE IF NOT EXISTS account_profiles (
-- The Matrix user ID localpart for this account
localpart TEXT NOT NULL PRIMARY KEY,
-- The display name for this account
display_name TEXT,
-- The URL of the avatar for this account
avatar_url TEXT
);
`
const insertProfileSQL = "" +
"INSERT INTO account_profiles(localpart, display_name, avatar_url) VALUES ($1, $2, $3)"
const selectProfileByLocalpartSQL = "" +
"SELECT localpart, display_name, avatar_url FROM account_profiles WHERE localpart = $1"
const setAvatarURLSQL = "" +
"UPDATE account_profiles SET avatar_url = $1 WHERE localpart = $2"
const setDisplayNameSQL = "" +
"UPDATE account_profiles SET display_name = $1 WHERE localpart = $2"
const selectProfilesBySearchSQL = "" +
"SELECT localpart, display_name, avatar_url FROM account_profiles WHERE localpart LIKE $1 OR display_name LIKE $1 LIMIT $2"
type profilesStatements struct {
insertProfileStmt *sql.Stmt
selectProfileByLocalpartStmt *sql.Stmt
setAvatarURLStmt *sql.Stmt
setDisplayNameStmt *sql.Stmt
selectProfilesBySearchStmt *sql.Stmt
}
func (s *profilesStatements) prepare(db *sql.DB) (err error) {
_, err = db.Exec(profilesSchema)
if err != nil {
return
}
if s.insertProfileStmt, err = db.Prepare(insertProfileSQL); err != nil {
return
}
if s.selectProfileByLocalpartStmt, err = db.Prepare(selectProfileByLocalpartSQL); err != nil {
return
}
if s.setAvatarURLStmt, err = db.Prepare(setAvatarURLSQL); err != nil {
return
}
if s.setDisplayNameStmt, err = db.Prepare(setDisplayNameSQL); err != nil {
return
}
if s.selectProfilesBySearchStmt, err = db.Prepare(selectProfilesBySearchSQL); err != nil {
return
}
return
}
func (s *profilesStatements) insertProfile(
ctx context.Context, txn *sql.Tx, localpart string,
) (err error) {
_, err = sqlutil.TxStmt(txn, s.insertProfileStmt).ExecContext(ctx, localpart, "", "")
return
}
func (s *profilesStatements) selectProfileByLocalpart(
ctx context.Context, localpart string,
) (*authtypes.Profile, error) {
var profile authtypes.Profile
err := s.selectProfileByLocalpartStmt.QueryRowContext(ctx, localpart).Scan(
&profile.Localpart, &profile.DisplayName, &profile.AvatarURL,
)
if err != nil {
return nil, err
}
return &profile, nil
}
func (s *profilesStatements) setAvatarURL(
ctx context.Context, localpart string, avatarURL string,
) (err error) {
_, err = s.setAvatarURLStmt.ExecContext(ctx, avatarURL, localpart)
return
}
func (s *profilesStatements) setDisplayName(
ctx context.Context, localpart string, displayName string,
) (err error) {
_, err = s.setDisplayNameStmt.ExecContext(ctx, displayName, localpart)
return
}
func (s *profilesStatements) selectProfilesBySearch(
ctx context.Context, searchString string, limit int,
) ([]authtypes.Profile, error) {
var profiles []authtypes.Profile
// The fmt.Sprintf directive below is building a parameter for the
// "LIKE" condition in the SQL query. %% escapes the % char, so the
// statement in the end will look like "LIKE %searchString%".
rows, err := s.selectProfilesBySearchStmt.QueryContext(ctx, fmt.Sprintf("%%%s%%", searchString), limit)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "selectProfilesBySearch: rows.close() failed")
for rows.Next() {
var profile authtypes.Profile
if err := rows.Scan(&profile.Localpart, &profile.DisplayName, &profile.AvatarURL); err != nil {
return nil, err
}
profiles = append(profiles, profile)
}
return profiles, nil
}
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