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// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package storage
import (
"fmt"
"time"
"github.com/miniflux/miniflux/helper"
"github.com/miniflux/miniflux/model"
)
const maxParsingError = 3
// NewBatch returns a serie of jobs.
func (s *Storage) NewBatch(batchSize int) (jobs model.JobList, err error) {
defer helper.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:GetJobs] batchSize=%d", batchSize))
query := `
SELECT
id, user_id
FROM feeds
WHERE parsing_error_count < $1
ORDER BY checked_at ASC LIMIT %d`
rows, err := s.db.Query(fmt.Sprintf(query, batchSize), maxParsingError)
if err != nil {
return nil, fmt.Errorf("unable to fetch batch of jobs: %v", err)
}
defer rows.Close()
for rows.Next() {
var job model.Job
if err := rows.Scan(&job.FeedID, &job.UserID); err != nil {
return nil, fmt.Errorf("unable to fetch job: %v", err)
}
jobs = append(jobs, job)
}
return jobs, nil
}
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