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url.go
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url.go
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package actions
import (
"fmt"
"io"
"net/url"
"strings"
"time"
log "github.com/sirupsen/logrus"
"github.com/mxk/go-sqlite/sqlite3"
"github.com/zaibon/ircbot"
db "github.com/zaibon/ircbot/database"
)
type URLLog struct {
db *db.DB
}
func NewURLLog(bot *ircbot.IrcBot) *URLLog {
conn, err := bot.DBConnection()
if err != nil {
panic(err)
}
initDB(conn)
return &URLLog{
db: conn,
}
}
func initDB(db *db.DB) {
if err := db.Exec(`CREATE TABLE IF NOT EXISTS urls(
id INTEGER CONSTRAINT url_PK PRIMARY KEY,
nick STRING,
url TEXT,
hit INTEGER,
channel STRING,
timestamp INTEGER)`); err != nil {
panic(err)
}
}
func (u *URLLog) Command() []string {
return []string{
"PRIVMSG",
}
}
func (u *URLLog) Usage() string {
return ""
}
func (u *URLLog) Do(b *ircbot.IrcBot, m *ircbot.IrcMsg) {
if m.Nick() == b.Nick {
//don't listen to itself
return
}
for _, word := range m.Trailing {
if !strings.Contains(word, "http") {
continue
}
URL, err := url.Parse(word)
if err != nil {
log.WithField("error", err).Errorln("pasre url failed")
continue
}
insertUrl(URL.String(), m.Nick(), m.Channel(), u.db)
}
}
func insertUrl(url, nick, channel string, db *db.DB) {
sql := "SELECT url FROM urls WHERE url=$url AND channel=$chan OR channel=''"
q, err := db.Query(sql, url, channel)
if err != nil && err != io.EOF {
log.WithField("error", err).Errorln("search url in database failed")
return
}
if err == io.EOF {
//the url is not yet in the db
sql = "INSERT INTO urls(nick,url,hit,timestamp,channel) VALUES ($nick,$url,1,$timestamp,$channel)"
if err := db.Exec(sql, nick, url, time.Now(), channel); err != nil {
log.WithField("error", err).Errorln("insert url in database failed")
return
}
log.WithField("url", url).Debugln("insert url in database succeed")
return
}
q.Close()
//the url already exists, update hit counter
sql = "UPDATE urls SET hit=hit+1 WHERE url=$url AND channel=$chan OR channel='' "
if err := db.Exec(sql, url, channel); err != nil {
log.WithField("error", err).Errorln("update url in database failed")
return
}
log.WithField("url", url).Debugln("update hit number succeed")
}
var (
stmtUpdate *sqlite3.Stmt
stmtCount *sqlite3.Stmt
)
type URL struct {
db *db.DB
}
func NewURL(bot *ircbot.IrcBot) *URL {
conn, err := bot.DBConnection()
if err != nil {
panic(err)
}
initDB(conn)
return &URL{
db: conn,
}
}
func (u *URL) Command() []string {
return []string{
".url",
}
}
const usage = `.url : display last 5 last url past in the channel
.url <search> : search in saved url for 'search' and display resutls`
func (u *URL) Usage() string {
return usage
}
func (u *URL) Do(b *ircbot.IrcBot, m *ircbot.IrcMsg) {
limit := 5 //hardcoded for now, maybe let the user choose a limit
sql := "SELECT url,hit,nick FROM urls WHERE "
if len(m.Trailing) > 1 {
q := strings.Join(m.Trailing[1:], " ")
sql = sql + " url LIKE '%" + q + "%' AND "
limit = 10
}
sql = sql + " (channel='' OR channel='" + m.Channel() + "' )"
sql = sql + fmt.Sprintf(" ORDER BY timestamp DESC LIMIT %d ", limit)
stmt, err := u.db.Query(sql)
if err != nil && err != io.EOF {
fmt.Printf("ERROR query db :%s", err)
return
}
if err == io.EOF {
b.Say(m.Channel(), "no results")
return
}
for ; err == nil; err = stmt.Next() {
var (
url string
hit int
nick string
)
stmt.Scan(&url, &hit, &nick)
output := fmt.Sprintf("%s (hit %d times - %s)", url, hit, nick)
b.Say(m.Channel(), output)
}
if err := stmt.Close(); err != nil {
log.Errorln("commit failed")
}
}