100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
package main
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import (
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"local1/logger"
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"local3/rssmon2/config"
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"local3/rssmon2/monitor"
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"local3/rssmon2/rss"
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"local3/rssmon2/server"
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"local3/rssmon2/store"
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"time"
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)
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const nsForFeeds = "FEEDS"
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func main() {
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config := config.New()
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var sclient store.Client
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var err error
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if sclient, err = store.NewBolt(config.DBPath); err != nil {
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panic(err)
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}
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defer sclient.Close()
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allFeeds := make(map[string]*rss.Feed)
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mon, err := monitor.New(config.MonitorPort, func(url string) {
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feed, ok := allFeeds[url]
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if !ok {
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f, err := rss.New(url, "", "")
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if err != nil {
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logger.Log("cannot identify unknown feed triggered in monitor: %q: %v", url, err)
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return
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}
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b, err := sclient.Get(nsForFeeds, f.ID())
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if err != nil {
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logger.Log("cannot get unknown feed triggered in monitor: %q: %v", url, err)
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return
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}
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feed, err = rss.Deserialize(b)
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if err != nil {
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logger.Log("cannot deserialize feed triggered in monitor: %q: %v", url, err)
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return
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}
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}
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items, err := allFeeds[url].Update()
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if err != nil {
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logger.Log("can't update old RSS %q: %v", url, err)
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return
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}
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b, err := feed.Serialize()
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if err != nil {
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logger.Log("can't serialize to save RSS %q: %v", url, err)
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return
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}
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if err := sclient.Set(nsForFeeds, feed.ID(), b); err != nil {
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logger.Log("can't save RSS %q.%q: %v", nsForFeeds, feed.ID(), err)
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return
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}
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logger.Log("Saved feed", feed)
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for i := range items {
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b, err := items[i].Serialize()
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if err != nil {
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logger.Log("can't save rss item %q.%q: %v", url, items[i].Link, err)
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return
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}
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if err := sclient.Set(feed.ID(), items[i].ID(), b); err != nil {
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logger.Log("can't save rss item %q.%q: %v", feed.ID(), items[i].ID(), err)
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return
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}
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logger.Log("Saved feed item", feed.ID(), items[i].ID(), items[i])
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}
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})
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if err != nil {
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panic(err)
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}
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if err := mon.Start(); err != nil {
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panic(err)
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}
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defer mon.Stop()
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server, err := server.New(config.Port, func(url string, itemFilter, contentFilter string, interval time.Duration) {
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feed, err := rss.New(url, itemFilter, contentFilter)
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if err != nil {
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logger.Log("can't create new RSS %q: %v", url, err)
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return
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}
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allFeeds[url] = feed
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if err := mon.Submit(url, interval); err != nil {
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logger.Log("Cannot accept new feed %q: %v", url, err)
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}
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})
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if err != nil {
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panic(err)
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}
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if err := server.Serve(); err != nil {
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panic(err)
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}
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}
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