gruik

commit 1b0b58cb66c6e417ad571d32b92945ae52686f40
parent 153b44aa6c868d0132b872f2b1a24f9f86943137
Author: Emile 'iMil' Heitor <imil@NetBSD.org>
Date:   Thu, 13 Jul 2023 23:31:32 +0200

fix: one feed file per channel + reset backup file at new reload

Diffstat:
M
main.go
 | 
19
++++++++++++-------

1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/main.go b/main.go
@@ -24,8 +24,6 @@ type News struct {
 	Hash   string `json:"hash"`
 }
 
-const feedJson = "feed.json"
-
 func mkHash(s1, s2 string) string {
 	s := s1 + s2
 	h := sha256.Sum256([]byte(s))
@@ -58,18 +56,18 @@ func newsFetch(client *girc.Client, channel string) {
 		time.Sleep(viper.GetDuration("feeds.frequency"))
 	}
 
+	feedFile := channel + "-feed.json"
 	// load saved news
-	f, err := os.OpenFile(feedJson, os.O_CREATE|os.O_RDWR, 0o644)
+	f, err := os.OpenFile(feedFile, os.O_CREATE|os.O_RDWR, 0o644)
 	if err != nil {
-		log.Fatalf("can't open %s: %v", feedJson, err)
+		log.Fatalf("can't open %s: %v", feedFile, err)
 	}
 	defer f.Close()
 	// read news from disk
 	decoder := json.NewDecoder(f)
 	if err := decoder.Decode(&newslist); err != nil {
-		client.Cmd.Message(channel, "could load news list, empty?")
+		client.Cmd.Message(channel, "could not load news list, empty?")
 	}
-	encoder := json.NewEncoder(f) // for later writing
 
 	oneDay := 24 * time.Hour
 
@@ -111,7 +109,7 @@ func newsFetch(client *girc.Client, channel string) {
 					break
 				}
 
-				post := fmt.Sprintf("[{%s}%s{c}] {%s}%s{c}: {%s}%s{c} {%s}#%s{c}",
+				post := fmt.Sprintf("[{%s}%s{c}] {%s}%s{c} {%s}%s{c} {%s}#%s{c}",
 					viper.GetString("irc.colors.title"),
 					feed.Title,
 					viper.GetString("irc.colors.news"),
@@ -130,6 +128,13 @@ func newsFetch(client *girc.Client, channel string) {
 			}
 		}
 		// save news list to disk to avoid repost when restarting
+		if err := f.Truncate(0); err != nil {
+			log.Fatal(err)
+		}
+		if _, err = f.Seek(0, 0); err != nil {
+			log.Fatal(err)
+		}
+		encoder := json.NewEncoder(f)
 		if err = encoder.Encode(newslist); err != nil {
 			client.Cmd.Message(channel, "could write newslist")
 		}