/
conference_administrator.go
102 lines (88 loc) · 2.63 KB
/
conference_administrator.go
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package db
import (
"database/sql"
"github.com/builderscon/octav/octav/tools"
"github.com/pkg/errors"
)
const (
sqlConferenceAdminLoadKey = "sqlConferenceAdminLoad"
sqlConferenceAdminCheckKey = "sqlConferenceAdminCheck"
sqlConferenceAdminDeleteKey = "sqlConferenceAdminDelete"
)
func init() {
hooks = append(hooks, func() {
stmt := tools.GetBuffer()
defer tools.ReleaseBuffer(stmt)
stmt.Reset()
stmt.WriteString(`SELECT `)
stmt.WriteString(UserStdSelectColumns)
stmt.WriteString(` FROM `)
stmt.WriteString(ConferenceAdministratorTable)
stmt.WriteString(` JOIN `)
stmt.WriteString(UserTable)
stmt.WriteString(` ON `)
stmt.WriteString(ConferenceAdministratorTable)
stmt.WriteString(`.user_id = `)
stmt.WriteString(UserTable)
stmt.WriteString(`.eid WHERE `)
stmt.WriteString(ConferenceAdministratorTable)
stmt.WriteString(`.conference_id = ? ORDER BY sort_order ASC`)
library.Register(sqlConferenceAdminLoadKey, stmt.String())
stmt.Reset()
stmt.WriteString(`SELECT 1 FROM `)
stmt.WriteString(ConferenceAdministratorTable)
stmt.WriteString(` WHERE conference_id = ? AND user_id = ?`)
library.Register(sqlConferenceAdminCheckKey, stmt.String())
stmt.Reset()
stmt.WriteString(`DELETE FROM `)
stmt.WriteString(ConferenceAdministratorTable)
stmt.WriteString(` WHERE conference_id = ? AND user_id = ?`)
library.Register(sqlConferenceAdminDeleteKey, stmt.String())
})
}
func IsConferenceAdministrator(tx *sql.Tx, cid, uid string) error {
stmt, err := library.GetStmt(sqlConferenceAdminCheckKey)
if err != nil {
return errors.Wrap(err, `failed to get statement`)
}
row := tx.Stmt(stmt).QueryRow(cid, uid)
if err != nil {
return errors.Wrap(err, `failed to execute statement`)
}
var v int
if err := row.Scan(&v); err != nil {
return errors.Wrap(err, "failed to scan row")
}
if v != 1 {
return errors.New("no matching administrator found")
}
return nil
}
func DeleteConferenceAdministrator(tx *sql.Tx, cid, uid string) error {
stmt, err := library.GetStmt(sqlConferenceAdminDeleteKey)
if err != nil {
return errors.Wrap(err, `failed to get statement`)
}
_, err = tx.Stmt(stmt).Exec(cid, uid)
return errors.Wrap(err, `failed to execute statements`)
}
func LoadConferenceAdministrators(tx *sql.Tx, admins *UserList, cid string) error {
stmt, err := library.GetStmt(sqlConferenceAdminLoadKey)
if err != nil {
return errors.Wrap(err, `failed to get statement`)
}
rows, err := tx.Stmt(stmt).Query(cid)
if err != nil {
return err
}
var res UserList
for rows.Next() {
var u User
if err := u.Scan(rows); err != nil {
return err
}
res = append(res, u)
}
*admins = res
return nil
}