mirror of https://github.com/miniflux/v2.git
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package storage // import "miniflux.app/storage"
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import (
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"fmt"
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"miniflux.app/config"
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"miniflux.app/model"
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)
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// NewBatch returns a series of jobs.
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func (s *Storage) NewBatch(batchSize int) (jobs model.JobList, err error) {
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pollingParsingErrorLimit := config.Opts.PollingParsingErrorLimit()
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query := `
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SELECT
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id,
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user_id
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FROM
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feeds
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WHERE
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disabled is false AND next_check_at < now() AND
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CASE WHEN $1 > 0 THEN parsing_error_count < $1 ELSE parsing_error_count >= 0 END
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ORDER BY next_check_at ASC LIMIT $2
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`
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return s.fetchBatchRows(query, pollingParsingErrorLimit, batchSize)
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}
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// NewUserBatch returns a series of jobs but only for a given user.
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func (s *Storage) NewUserBatch(userID int64, batchSize int) (jobs model.JobList, err error) {
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// We do not take the error counter into consideration when the given
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// user refresh manually all his feeds to force a refresh.
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query := `
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SELECT
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id,
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user_id
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FROM
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feeds
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WHERE
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user_id=$1 AND disabled is false
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ORDER BY next_check_at ASC LIMIT %d
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`
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return s.fetchBatchRows(fmt.Sprintf(query, batchSize), userID)
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}
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func (s *Storage) fetchBatchRows(query string, args ...interface{}) (jobs model.JobList, err error) {
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rows, err := s.db.Query(query, args...)
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if err != nil {
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return nil, fmt.Errorf(`store: unable to fetch batch of jobs: %v`, err)
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}
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defer rows.Close()
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for rows.Next() {
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var job model.Job
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if err := rows.Scan(&job.FeedID, &job.UserID); err != nil {
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return nil, fmt.Errorf(`store: unable to fetch job: %v`, err)
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}
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jobs = append(jobs, job)
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}
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return jobs, nil
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}
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