package main import ( "bufio" "encoding/binary" "encoding/json" "flag" "log" "os" "strconv" "time" "github.com/boltdb/bolt" ) type User struct { Username string `json:"username"` FirstName string `json:"first_name"` } type Message struct { Event string `json:"event"` ReplyID *int `json:"reply_id,omitempty"` FwdUser *User `json:"fwd_from"` Text string `json:"text"` From User `json:"from"` Date int `json:"date"` } type Stats struct { Total uint64 ByUser map[string]uint64 ByHour [24]uint64 ByWeekday [7]uint64 ByDate map[string]uint64 Replies uint64 Forward uint64 Username map[string]string } func assert(err error) { if err != nil { panic(err) } } func main() { logFile := flag.String("logfile", "tl.log", "Telegram CLI dump") boltdbFile := flag.String("boltdb", "stats.db", "BoltDB database file") flag.Parse() file, err := os.Open(*logFile) assert(err) var data Stats data.ByUser = make(map[string]uint64) data.ByDate = make(map[string]uint64) data.Username = make(map[string]string) scanner := bufio.NewScanner(file) lines := 0 log.Printf("Started processing %s...\n\n", *logFile) for scanner.Scan() { var msg Message err := json.Unmarshal([]byte(scanner.Text()), &msg) assert(err) processMessage(msg, &data) lines++ if lines%10000 == 0 { log.Printf("Processed %d lines...\n", lines) } } log.Printf("\nFinished with success, processed %d lines.\n", lines) log.Printf("Opening database %s for writing...\n", *boltdbFile) db, err := bolt.Open(*boltdbFile, 0600, nil) err = update(db, data) assert(err) log.Printf("All done! Bye!\n") } func processMessage(msg Message, data *Stats) { data.Total++ if msg.ReplyID != nil { data.Replies++ } if msg.FwdUser != nil { data.Forward++ } date := time.Unix(int64(msg.Date), 0) data.ByHour[date.Hour()]++ data.ByWeekday[date.Weekday()]++ val, exists := data.ByUser[msg.From.Username] if !exists { val = 0 } data.ByUser[msg.From.Username] = val + 1 datekey := date.Format("2006-1-2") val, exists = data.ByDate[datekey] if !exists { val = 0 } data.ByDate[datekey] = val + 1 data.Username[msg.From.Username] = msg.From.FirstName } func MakeUint(bval []byte, bucketName string, key string) uint64 { if bval != nil { intval, bts := binary.Uvarint(bval) if bts > 0 { return intval } else { log.Printf("[%s] Value of key \"%s\" is NaN: %v\r\n", bucketName, key, bval) return 0 } } else { log.Printf("[%s] Key \"%s\" does not exist, set to 0\n", bucketName, key) return 0 } } func PutUint(value uint64) []byte { bytes := make([]byte, 10) n := binary.PutUvarint(bytes, value) return bytes[:n] } func update(db *bolt.DB, data Stats) error { return db.Update(func(tx *bolt.Tx) error { b, err := tx.CreateBucketIfNotExists([]byte("global")) if err != nil { return err } // Update total total := MakeUint(b.Get([]byte("count")), "global", "count") total += data.Total err = b.Put([]byte("count"), PutUint(total)) if err != nil { return err } // Update replies replies := MakeUint(b.Get([]byte("replies")), "global", "replies") replies += data.Replies err = b.Put([]byte("replies"), PutUint(total)) if err != nil { return err } // Update forward forward := MakeUint(b.Get([]byte("forward")), "global", "forward") forward += data.Forward err = b.Put([]byte("forward"), PutUint(total)) if err != nil { return err } // Update hour counters b, err = tx.CreateBucketIfNotExists([]byte("hour")) if err != nil { return err } for i := 0; i < 24; i++ { curhour := MakeUint(b.Get([]byte{byte(i)}), "hour", strconv.Itoa(i)) curhour += data.ByHour[i] err = b.Put([]byte{byte(i)}, PutUint(curhour)) if err != nil { return err } } // Update weekday counters b, err = tx.CreateBucketIfNotExists([]byte("weekday")) if err != nil { return err } for i := 0; i < 7; i++ { curwday := MakeUint(b.Get([]byte{byte(i)}), "weekday", strconv.Itoa(i)) curwday += data.ByWeekday[i] err = b.Put([]byte{byte(i)}, PutUint(curwday)) if err != nil { return err } } // Update date counters b, err = tx.CreateBucketIfNotExists([]byte("date")) if err != nil { return err } for day, count := range data.ByDate { count += MakeUint(b.Get([]byte(day)), "date", day) err = b.Put([]byte(day), PutUint(count)) if err != nil { return err } } // Update user counters b, err = tx.CreateBucketIfNotExists([]byte("users-count")) if err != nil { return err } for user, count := range data.ByUser { // Why do I even need this? if len(user) < 1 { continue } count += MakeUint(b.Get([]byte(user)), "users-count", user) err = b.Put([]byte(user), PutUint(count)) if err != nil { return err } } // Add to username table exclusively if not already present b, err = tx.CreateBucketIfNotExists([]byte("usernames")) if err != nil { return err } for user, first := range data.Username { // Why do I even need this? (2) if len(user) < 1 { continue } val := b.Get([]byte(user)) if val == nil { err = b.Put([]byte(user), []byte(first)) if err != nil { return err } } } return nil }) }