89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package storage // import "miniflux.app/v2/internal/storage"
|
|
|
|
import (
|
|
"database/sql"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"miniflux.app/v2/internal/model"
|
|
)
|
|
|
|
type BatchBuilder struct {
|
|
db *sql.DB
|
|
args []any
|
|
conditions []string
|
|
limit int
|
|
}
|
|
|
|
func (s *Storage) NewBatchBuilder() *BatchBuilder {
|
|
return &BatchBuilder{
|
|
db: s.db,
|
|
}
|
|
}
|
|
|
|
func (b *BatchBuilder) WithBatchSize(batchSize int) *BatchBuilder {
|
|
b.limit = batchSize
|
|
return b
|
|
}
|
|
|
|
func (b *BatchBuilder) WithUserID(userID int64) *BatchBuilder {
|
|
b.conditions = append(b.conditions, fmt.Sprintf("user_id = $%d", len(b.args)+1))
|
|
b.args = append(b.args, userID)
|
|
return b
|
|
}
|
|
|
|
func (b *BatchBuilder) WithCategoryID(categoryID int64) *BatchBuilder {
|
|
b.conditions = append(b.conditions, fmt.Sprintf("category_id = $%d", len(b.args)+1))
|
|
b.args = append(b.args, categoryID)
|
|
return b
|
|
}
|
|
|
|
func (b *BatchBuilder) WithErrorLimit(limit int) *BatchBuilder {
|
|
if limit > 0 {
|
|
b.conditions = append(b.conditions, fmt.Sprintf("parsing_error_count < $%d", len(b.args)+1))
|
|
b.args = append(b.args, limit)
|
|
}
|
|
return b
|
|
}
|
|
|
|
func (b *BatchBuilder) WithNextCheckExpired() *BatchBuilder {
|
|
b.conditions = append(b.conditions, "next_check_at < now()")
|
|
return b
|
|
}
|
|
|
|
func (b *BatchBuilder) WithoutDisabledFeeds() *BatchBuilder {
|
|
b.conditions = append(b.conditions, "disabled is false")
|
|
return b
|
|
}
|
|
|
|
func (b *BatchBuilder) FetchJobs() (jobs model.JobList, err error) {
|
|
query := `SELECT id, user_id FROM feeds`
|
|
|
|
if len(b.conditions) > 0 {
|
|
query += fmt.Sprintf(" WHERE %s", strings.Join(b.conditions, " AND "))
|
|
}
|
|
|
|
if b.limit > 0 {
|
|
query += fmt.Sprintf(" ORDER BY next_check_at ASC LIMIT %d", b.limit)
|
|
}
|
|
|
|
rows, err := b.db.Query(query, b.args...)
|
|
if err != nil {
|
|
return nil, fmt.Errorf(`store: 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(`store: unable to fetch job: %v`, err)
|
|
}
|
|
|
|
jobs = append(jobs, job)
|
|
}
|
|
|
|
return jobs, nil
|
|
}
|