// TweetTopStory tweets the top story
func TweetTopStory(context schedule.Context) {
context.Log("Sending top story tweet")
// Get the top story which has not been tweeted yet, newer than 1 day (we don't look at older stories)
q := stories.Popular().Limit(1).Order("rank desc, points desc, id desc")
// Don't fetch old stories
q.Where("created_at > current_timestamp - interval '1 day'")
// Don't fetch stories that have already been tweeted
q.Where("tweeted_at IS NULL")
// Fetch the stories
results, err := stories.FindAll(q)
if err != nil {
context.Logf("#error getting top story tweet %s", err)
return
}
if len(results) > 0 {
story := results[0]
// TWEET
tweet := fmt.Sprintf("%s #golang %s", story.Name, story.Url)
_, err := twitter.Tweet(tweet)
if err != nil {
context.Logf("#error tweeting top story %s", err)
return
}
// Record that this story has been tweeted in db
params := map[string]string{"tweeted_at": query.TimeString(time.Now().UTC())}
err = story.Update(params)
if err != nil {
context.Logf("#error updating top story tweet %s", err)
return
}
} else {
context.Logf("#warn no top story found for tweet")
}
}
// TweetStory tweets the given story
func TweetStory(context schedule.Context, story *stories.Story) {
// Base url from config
baseURL := context.Config("root_url")
// Link to the primary url for this type of story
url := story.PrimaryURL()
// Check for relative urls
if strings.HasPrefix(url, "/") {
url = baseURL + url
}
tweet := fmt.Sprintf("%s #golang %s", story.Name, url)
// If the tweet will be too long for twitter, use GN url
if len(tweet) > 140 {
tweet = fmt.Sprintf("%s #golang %s", story.Name, baseURL+story.URLShow())
}
context.Logf("#info sending tweet:%s", tweet)
_, err := twitter.Tweet(tweet)
if err != nil {
context.Logf("#error tweeting top story %s", err)
return
}
// Record that this story has been tweeted in db
params := map[string]string{"tweeted_at": query.TimeString(time.Now().UTC())}
err = story.Update(params)
if err != nil {
context.Logf("#error updating top story tweet %s", err)
return
}
}