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get.go
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get.go
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package ldb
import (
"context"
"fmt"
"strings"
"github.com/pkg/errors"
"admini.dev/admini/app/lib/database"
"admini.dev/admini/app/lib/schema/model"
"admini.dev/admini/app/result"
"admini.dev/admini/app/util"
)
func Get(ctx context.Context, db *database.Service, m *model.Model, ids []any, logger util.Logger) (*result.Result, error) {
q, err := modelGetByPKQuery(db.Type, m, logger)
if err != nil {
return nil, err
}
rows, err := db.Query(ctx, q, nil, logger, ids...)
if err != nil {
return nil, errors.Wrapf(err, "error listing models for [%s]", m.String())
}
defer func() { _ = rows.Close() }()
var timing *result.Timing
ret, err := ParseResultFields(m.Name(), 0, q, timing, m.Fields, rows)
if err != nil {
return nil, errors.Wrapf(err, "error constructing result for [%s]", m.String())
}
return ret, nil
}
func modelGetByPKQuery(typ *database.DBType, m *model.Model, logger util.Logger) (string, error) {
cols, tbl := forTable(typ, m)
pk := m.GetPK(logger)
if len(pk) == 0 {
return "", errors.Errorf("no PK for model [%s]", m.String())
}
where := make([]string, 0, len(pk))
for idx, pkf := range pk {
if typ.Placeholder == "?" {
where = append(where, fmt.Sprintf(`%s%s%s = ?`, typ.Quote, pkf, typ.Quote))
} else {
where = append(where, fmt.Sprintf(`%s%s%s = $%d`, typ.Quote, pkf, typ.Quote, idx+1))
}
}
return database.SQLSelectSimple(cols, tbl, strings.Join(where, " and ")), nil
}