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version.go
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version.go
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// Copyright 2020 Steve Jefferson. All rights reserved.
// Use of this source code is governed by a GPL-style
// license that can be found in the LICENSE file.
package trac
import "github.com/pkg/errors"
// GetVersions retrieves all versions used in Trac, passing each one to the provided "handler" function.
func (accessor *DefaultAccessor) GetVersions(handlerFn func(version *Label) error) error {
rows, err := accessor.db.Query(`
SELECT DISTINCT COALESCE(version,'') name, '' desc FROM ticket
UNION
SELECT COALESCE(name,'') name, COALESCE(description,'') desc FROM version`)
if err != nil {
err = errors.Wrapf(err, "retrieving Trac versions")
return err
}
for rows.Next() {
var name, description string
if err := rows.Scan(&name, &description); err != nil {
err = errors.Wrapf(err, "retrieving Trac version")
return err
}
version := Label{Name: name, Description: description}
if err = handlerFn(&version); err != nil {
return err
}
}
return nil
}