63 lines
1.7 KiB
Go
63 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
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import (
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"fmt"
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"time"
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"github.com/miniflux/miniflux/model"
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"github.com/miniflux/miniflux/timer"
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)
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const maxParsingError = 3
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// NewBatch returns a serie of jobs.
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func (s *Storage) NewBatch(batchSize int) (jobs model.JobList, err error) {
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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:GetJobs] batchSize=%d", batchSize))
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query := `
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SELECT
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id, user_id
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FROM feeds
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WHERE parsing_error_count < $1
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ORDER BY checked_at ASC LIMIT %d`
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return s.fetchBatchRows(fmt.Sprintf(query, batchSize), maxParsingError)
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}
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// NewUserBatch returns a serie 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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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:GetUserJobs] batchSize=%d, userID=%d", batchSize, userID))
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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, user_id
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FROM feeds
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WHERE user_id=$1
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ORDER BY checked_at ASC LIMIT %d`
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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("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("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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