From cdc1f64031af949874fed73e1d51247dd4226660 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@trenchant.org>
Date: Fri, 6 Jul 2018 20:53:17 -0700
Subject: try background crawler again

---
 main.go | 47 +++++++++++++++++++++++------------------------
 1 file changed, 23 insertions(+), 24 deletions(-)

diff --git a/main.go b/main.go
index 8d417ad..9e5b180 100644
--- a/main.go
+++ b/main.go
@@ -10,6 +10,7 @@ import (
 	"adammathes.com/neko/web"
 	"fmt"
 	flag "github.com/ogier/pflag"
+	"time"
 )
 
 var Version, Build string
@@ -17,7 +18,7 @@ var Version, Build string
 func main() {
 	var help, update, verbose, proxyImages bool
 	var dbfile, newFeed, export, password string
-	var port int
+	var port, minutes int
 
 	// commands // no command tries to run the web server
 	flag.BoolVarP(&help, "help", "h", false, "print usage information")
@@ -28,7 +29,7 @@ func main() {
 	// options with sensible defaults
 	flag.StringVarP(&dbfile, "database", "d", "neko.db", "sqlite database file")
 	flag.IntVarP(&port, "http", "s", 4994, "HTTP port to serve on")
-	// flag.IntVarP(&minutes, "minutes", "m", 60, "minutes between crawling feeds")
+	flag.IntVarP(&minutes, "minutes", "m", 60, "minutes between crawling feeds")
 	flag.BoolVarP(&proxyImages, "imageproxy", "i", false, "rewrite and proxy all image requests for privacy (experimental)")
 	flag.BoolVarP(&verbose, "verbose", "v", false, "verbose output")
 
@@ -66,29 +67,27 @@ func main() {
 		return
 	}
 
-	//
-	// this doesn't seem quite right yet // will revise
-	// go func() {
-	// 	//		ticker := time.NewTicker(time.Second*5)
-	// 	if minutes < 1 {
-	// 		return
-	// 	}
-	// 	ticker := time.NewTicker(time.Minute * time.Duration(minutes))
-	// 	defer ticker.Stop()
-	// 	done := make(chan bool)
-	// 	for {
-	// 		select {
-	// 		case <-done:
-	// 			fmt.Println("done")
-	// 			return
-	// 		case t := <-ticker.C:
-	// 			vlog.Printf("starting crawl at %s\n", t)
-	// 			crawler.Crawl()
-	// 		}
-	// 	}
-	// }()
-
+	go backgroundCrawl(minutes)
 	vlog.Printf("starting web server at 127.0.0.1:%d\n",
 		config.Config.Port)
 	web.Serve()
 }
+
+func backgroundCrawl(minutes int) {
+	if minutes < 1 {
+		return
+	}
+	ticker := time.NewTicker(time.Minute * time.Duration(minutes))
+	defer ticker.Stop()
+	done := make(chan bool)
+	for {
+		select {
+		case <-done:
+			fmt.Println("done")
+			return
+		case t := <-ticker.C:
+			vlog.Printf("starting crawl at %s\n", t)
+			crawler.Crawl()
+		}
+	}
+}
-- 
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