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|
package stats
import (
"database/sql"
"log"
"strings"
"github.com/gempir/go-twitch-irc"
)
func HandleMessageEvent(channel string, user twitch.User, message twitch.Message, db *DatabaseConnection) {
err := db.Ping()
if err != nil {
log.Panicf("Failed to ping a database connection: %v\n", err)
}
// channel
var channelId int
var channelName string
err = db.QueryRow(
"SELECT id, alias_name FROM channels WHERE alias_id = ?",
message.Tags["room-id"],
).Scan(&channelId, &channelName)
if err != nil {
log.Panicf("Failed to get channel: %v\n", err)
}
if channelName != channel {
_, err = db.Exec("UPDATE channels SET alias_name = ? WHERE id = ?", channel, channelId)
if err != nil {
log.Panicf("Failed to update channel name: %v\n", err)
}
}
// user
var userId int64
var userName string
err = db.QueryRow(
"SELECT id, alias_name FROM users WHERE alias_id = ?",
user.UserID,
).Scan(&userId, &userName)
if err == sql.ErrNoRows {
res, err := db.Exec("INSERT INTO users(alias_id, alias_name) VALUES (?, ?)", user.UserID, user.Username)
if err != nil {
log.Panicf("Error creating a new user: %v\n", err)
}
userId, _ = res.LastInsertId()
userName = user.Username
} else if err != nil {
log.Panicf("Error getting user: %v\n", err)
}
if userName != user.Username {
_, err = db.Exec("UPDATE channels SET alias_name = ? WHERE id = ?", user.Username, userId)
if err != nil {
log.Panicf("Failed to update channel name: %v\n", err)
}
}
parts := strings.Split(message.Text, " ")
for _, part := range parts {
part = strings.TrimSpace(part)
if len(part) == 0 {
continue
}
// word
var wordId int64
err = db.QueryRow(
"SELECT id FROM words WHERE name = ?",
part,
).Scan(&wordId)
if err == sql.ErrNoRows {
res, err := db.Exec("INSERT INTO words(name) VALUES (?)", part)
if err != nil {
log.Panicf("Error creating a new word: %v\n", err)
}
wordId, _ = res.LastInsertId()
} else if err != nil {
log.Panicf("Error getting word: %v\n", err)
}
// channel word
var cwordId int64
var usageCount int
err = db.QueryRow(
"SELECT id, usage_count FROM channel_words WHERE word_id = ? AND user_id = ? AND channel_id = ?",
wordId, userId, channelId,
).Scan(&cwordId, &usageCount)
if err == sql.ErrNoRows {
res, err := db.Exec("INSERT INTO channel_words(word_id, user_id, channel_id) VALUES (?, ?, ?)",
wordId,
userId,
channelId,
)
if err != nil {
log.Panicf("Error creating a new channel word: %v\n", err)
}
cwordId, _ = res.LastInsertId()
usageCount = 0
} else if err != nil {
log.Panicf("Error getting channel word: %v\n", err)
}
_, err := db.Exec(
`INSERT INTO channel_words(word_id, user_id, channel_id)
VALUES (?, ?, ?)
ON DUPLICATE KEY UPDATE
usage_count = usage_count + 1,
last_used_at = UTC_TIMESTAMP()`,
wordId,
userId,
channelId,
)
if err != nil {
log.Panicf("Error creating a new channel word: %vn", err)
}
}
}
|
