func insertDocument(domain, title, url, group string, popularity float64, c *redis.Client) {
encoded := encodeString(domain)
encodedURL := encodeString(url)
existingTitle, _ := c.Cmd("HGET", encoded+"$titles", encodedURL).Str()
if existingTitle == "" {
err := c.Cmd("HINCRBY", "$domaindocuments", domain, 1).Err
errorHandler(err)
}
pipedCommands := 0
for _, prefix := range getPrefixes(title) {
if group != "" {
encodedGroup := encodeString(group)
c.Append("ZADD", encoded+encodedGroup+prefix, popularity, encodedURL)
c.Append("HSET", encoded+"$groups", encodedURL, encodedGroup)
pipedCommands++
} else {
c.Append("ZADD", encoded+prefix, popularity, encodedURL)
}
pipedCommands++
}
c.Append("HSET", encoded+"$titles", encodedURL, title)
pipedCommands++
c.Append("HSET", encoded+"$urls", encodedURL, url)
pipedCommands++
for i := 1; i <= pipedCommands; i++ {
if err := c.GetReply().Err; err != nil {
errorHandler(err)
}
}
}