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Add heroes to the room summary (#2373)

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* Implement room summary heroes

* Add passing tests

* Move MembershipCount to addRoomSummary

* Add comments, close Statement
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Till 2022-04-26 10:53:17 +02:00 • committed by GitHub
parent feac9db43f
commit e8be2b234f
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8 changed files with 131 additions and 26 deletions
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51
syncapi/storage/sqlite3/memberships_table.go
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@ -18,7 +18,9 @@ import (
"context"
"database/sql"
"fmt"
"strings"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
@ -61,10 +63,14 @@ const selectMembershipCountSQL = "" +
" SELECT * FROM syncapi_memberships WHERE room_id = $1 AND stream_pos <= $2 GROUP BY user_id HAVING(max(stream_pos))" +
") t WHERE t.membership = $3"
const selectHeroesSQL = "" +
"SELECT DISTINCT user_id FROM syncapi_memberships WHERE room_id = $1 AND user_id != $2 AND membership IN ($3) LIMIT 5"
type membershipsStatements struct {
db *sql.DB
upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt
//selectHeroesStmt *sql.Stmt - prepared at runtime due to variadic
}
func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -75,13 +81,11 @@ func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
if err != nil {
return nil, err
}
if s.upsertMembershipStmt, err = db.Prepare(upsertMembershipSQL); err != nil {
return nil, err
}
if s.selectMembershipCountStmt, err = db.Prepare(selectMembershipCountSQL); err != nil {
return nil, err
}
return s, nil
return s, sqlutil.StatementList{
{&s.upsertMembershipStmt, upsertMembershipSQL},
{&s.selectMembershipCountStmt, selectMembershipCountSQL},
// {&s.selectHeroesStmt, selectHeroesSQL}, - prepared at runtime due to variadic
}.Prepare(db)
}
func (s *membershipsStatements) UpsertMembership(
@ -111,3 +115,36 @@ func (s *membershipsStatements) SelectMembershipCount(
err = stmt.QueryRowContext(ctx, roomID, pos, membership).Scan(&count)
return
}
func (s *membershipsStatements) SelectHeroes(
ctx context.Context, txn *sql.Tx, roomID, userID string, memberships []string,
) (heroes []string, err error) {
stmtSQL := strings.Replace(selectHeroesSQL, "($3)", sqlutil.QueryVariadicOffset(len(memberships), 2), 1)
stmt, err := s.db.PrepareContext(ctx, stmtSQL)
if err != nil {
return
}
defer internal.CloseAndLogIfError(ctx, stmt, "SelectHeroes: stmt.close() failed")
params := []interface{}{
roomID, userID,
}
for _, membership := range memberships {
params = append(params, membership)
}
stmt = sqlutil.TxStmt(txn, stmt)
var rows *sql.Rows
rows, err = stmt.QueryContext(ctx, params...)
if err != nil {
return
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectHeroes: rows.close() failed")
var hero string
for rows.Next() {
if err = rows.Scan(&hero); err != nil {
return
}
heroes = append(heroes, hero)
}
return heroes, rows.Err()
}