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component.go
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/
component.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"
// GetComponents retrieves all Trac components, passing each one to the provided "handler" function.
func (accessor *DefaultAccessor) GetComponents(handlerFn func(component *Label) error) error {
rows, err := accessor.db.Query(`SELECT name, COALESCE(description,'') FROM component`)
if err != nil {
err = errors.Wrapf(err, "retrieving Trac components")
return err
}
for rows.Next() {
var name, description string
if err := rows.Scan(&name, &description); err != nil {
err = errors.Wrapf(err, "retrieving Trac component")
return err
}
component := Label{Name: name, Description: description}
if err = handlerFn(&component); err != nil {
return err
}
}
return nil
}