From 47fadc984f40d6e40c1e27d5e5c8607cf0232c8a Mon Sep 17 00:00:00 2001
From: Chris Sexton <chrissexton@users.noreply.github.com>
Date: Sun, 20 Oct 2019 10:53:07 -0400
Subject: [PATCH] twitter: persist last tweet id

---
 plugins/twitter/twitter.go | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/plugins/twitter/twitter.go b/plugins/twitter/twitter.go
index 295a11b..1a958a9 100644
--- a/plugins/twitter/twitter.go
+++ b/plugins/twitter/twitter.go
@@ -17,15 +17,12 @@ type Twitter struct {
 	c   *config.Config
 	b   bot.Bot
 	api *anaconda.TwitterApi
-
-	tweetLog map[string]int64
 }
 
 func New(b bot.Bot) *Twitter {
 	t := Twitter{
-		c:        b.Config(),
-		b:        b,
-		tweetLog: map[string]int64{},
+		c: b.Config(),
+		b: b,
 	}
 	token := t.c.GetString("twitter.accesstoken", "")
 	secret := t.c.GetString("twitter.accesssecret", "")
@@ -72,14 +69,16 @@ func (t *Twitter) check(c bot.Connector) {
 			continue
 		}
 		for _, tweet := range tweets {
-			if last, ok := t.tweetLog[u]; !ok || last < tweet.Id {
+			userKey := fmt.Sprintf("twitter.last.%s", u)
+			lastTweet := int64(t.c.GetInt(userKey, 0))
+			if lastTweet < tweet.Id {
 				link := fmt.Sprintf("https://twitter.com/%s/status/%s", u, tweet.IdStr)
 				log.Debug().Str("tweet", link).Msg("Unknown tweet")
 				for _, ch := range chs {
 					log.Debug().Str("ch", ch).Msg("Sending tweet")
 					t.b.Send(c, bot.Message, ch, link)
 				}
-				t.tweetLog[u] = tweet.Id
+				t.c.Set(userKey, string(tweet.Id))
 			}
 		}
 	}