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retrieve_room_members.go
103 lines (91 loc) · 1.87 KB
/
retrieve_room_members.go
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package room
import (
"encoding/json"
"errors"
"github.com/kaikourok/lunchtote-backend/entity/model"
)
func (db *RoomRepository) RetrieveRoomMembers(userId, roomId int) (members *[]model.RomeMemberWithRoles, err error) {
row := db.QueryRowx(`
SELECT
EXISTS (
SELECT
*
FROM
rooms
WHERE
id = $1 AND
master = $2
);
`, roomId, userId)
var isMaster bool
err = row.Scan(&isMaster)
if err != nil {
return nil, err
}
if !isMaster {
return nil, errors.New("管理権限がありません")
}
rows, err := db.Queryx(`
SELECT
characters.id,
characters.name,
characters.mainicon,
(
SELECT
JSON_AGG(r.obj)
FROM
(
SELECT
JSON_BUILD_OBJECT(
'id', rooms_roles.id,
'name', rooms_roles.name,
'type', rooms_roles.type
) AS obj
FROM
rooms_roles_members
JOIN
rooms_roles ON (rooms_roles.room = $1 AND rooms_roles_members.role = rooms_roles.id)
WHERE
rooms_roles_members.character = characters.id
ORDER BY
rooms_roles.priority DESC
) r
)
FROM
rooms_members
JOIN
characters ON (rooms_members.member = characters.id AND rooms_members.room = $1)
WHERE
rooms_members.room = $1
GROUP BY
characters.id,
characters.name,
characters.mainicon
ORDER BY
characters.id;
`, roomId)
if err != nil {
return nil, err
}
defer rows.Close()
membersSlice := make([]model.RomeMemberWithRoles, 0, 64)
for rows.Next() {
var member model.RomeMemberWithRoles
var memberRolesJson string
err = rows.Scan(
&member.Id,
&member.Name,
&member.Mainicon,
&memberRolesJson,
)
if err != nil {
return nil, err
}
err = json.Unmarshal([]byte(memberRolesJson), &member.Roles)
if err != nil {
return nil, err
}
membersSlice = append(membersSlice, member)
}
return &membersSlice, nil
}