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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 processor
import (
"log"
"github.com/miniflux/miniflux2/model"
"github.com/miniflux/miniflux2/reader/rewrite"
"github.com/miniflux/miniflux2/reader/sanitizer"
"github.com/miniflux/miniflux2/reader/scraper"
)
// FeedProcessor handles the processing of feed contents.
type FeedProcessor struct {
feed *model.Feed
scraperRules string
rewriteRules string
crawler bool
}
// WithCrawler enables the crawler.
func (f *FeedProcessor) WithCrawler(value bool) {
f.crawler = value
}
// WithScraperRules adds scraper rules to the processing.
func (f *FeedProcessor) WithScraperRules(rules string) {
f.scraperRules = rules
}
// WithRewriteRules adds rewrite rules to the processing.
func (f *FeedProcessor) WithRewriteRules(rules string) {
f.rewriteRules = rules
}
// Process applies rewrite and scraper rules.
func (f *FeedProcessor) Process() {
for _, entry := range f.feed.Entries {
if f.crawler {
content, err := scraper.Fetch(entry.URL, f.scraperRules)
if err != nil {
log.Println("[FeedProcessor]", err)
} else {
entry.Content = content
}
}
entry.Content = sanitizer.Sanitize(entry.URL, entry.Content)
entry.Content = rewrite.Rewriter(entry.URL, entry.Content, f.rewriteRules)
}
}
// NewFeedProcessor returns a new FeedProcessor.
func NewFeedProcessor(feed *model.Feed) *FeedProcessor {
return &FeedProcessor{feed: feed, crawler: false}
}
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