/
FeslDB.go
274 lines (222 loc) · 7 KB
/
FeslDB.go
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package fesl
import (
"database/sql"
"strings"
"github.com/sirupsen/logrus"
)
type Database struct {
db *sql.DB
name string
// Database Statements
stmtGetBookmark *sql.Stmt
stmtGetHeroByToken *sql.Stmt
stmtGetServerBySecret *sql.Stmt
stmtGetServerByID *sql.Stmt
stmtGetServerByName *sql.Stmt
stmtGetHeroesByUserID *sql.Stmt
stmtGetHeroByName *sql.Stmt
stmtGetHeroByID *sql.Stmt
stmtClearServerStats *sql.Stmt
MapGetStatsQuery map[int]*sql.Stmt
MapGetServerStatsQuery map[int]*sql.Stmt
MapSetStatsQuery map[int]*sql.Stmt
MapSetServerStatsQuery map[int]*sql.Stmt
// MapGetBookmark map[int]*sql.Stmt
}
func NewDatabase(conn *sql.DB) (*Database, error) {
db := &Database{db: conn}
db.MapGetStatsQuery = make(map[int]*sql.Stmt)
db.MapGetServerStatsQuery = make(map[int]*sql.Stmt)
db.MapSetStatsQuery = make(map[int]*sql.Stmt)
// Prepare database statements
db.prepareStatements()
_, err := db.stmtClearServerStats.Exec()
if err != nil {
return nil, err
}
return db, nil
}
// MysqlRealEscapeString - you know
func MysqlRealEscapeString(value string) string {
replace := map[string]string{"\\": "\\\\", "'": `\'`, "\\0": "\\\\0", "\n": "\\n", "\r": "\\r", `"`: `\"`, "\x1a": "\\Z"}
for b, a := range replace {
value = strings.Replace(value, b, a, -1)
}
return value
}
// func (d *Database) getBookmark(statsAmount int) *sql.Stmt {
// var err error
// // Check if Statement is prepared
// if statement, ok := d.MapGetServerStatsQuery[statsAmount]; ok {
// return statement
// }
// var query string
// for i := 1; i < statsAmount; i++ {
// query += "?, "
// }
// sql := "SELECT gid" +
// " FROM game_server_player_preferences" +
// " WHERE userid=?" +
// " AND statsKey IN (" + query + "?)"
// d.MapGetServerStatsQuery[statsAmount], err = d.db.Prepare(sql)
// if err != nil {
// logrus.Println("Error preparing MapGetServerStatsQuery with "+sql+" query.", err.Error())
// }
// return d.MapGetBookmark[statsAmount]
// }
func (d *Database) getServerStatsQuery(statsAmount int) *sql.Stmt {
var err error
// Check if Statement is prepared
if statement, ok := d.MapGetServerStatsQuery[statsAmount]; ok {
return statement
}
var query string
for i := 1; i < statsAmount; i++ {
query += "?, "
}
sql := "SELECT gid, statsKey, statsValue" +
" FROM game_server_stats" +
" WHERE gid=?" +
" AND statsKey IN (" + query + "?)"
d.MapGetServerStatsQuery[statsAmount], err = d.db.Prepare(sql)
if err != nil {
logrus.Fatalln("Error preparing MapGetServerStatsQuery with "+sql+" query.", err.Error())
}
return d.MapGetServerStatsQuery[statsAmount]
}
func (d *Database) getStatsStatement(statsAmount int) *sql.Stmt {
var err error
// Check if we have a statement prepared for the stats
if statement, ok := d.MapGetStatsQuery[statsAmount]; ok {
return statement
}
var query string
for i := 1; i < statsAmount; i++ {
query += "?, "
}
sql := "SELECT user_id, heroID, statsKey, statsValue" +
" FROM game_stats" +
" WHERE heroID=?" +
" AND user_id=?" +
" AND statsKey IN (" + query + "?)"
d.MapGetStatsQuery[statsAmount], err = d.db.Prepare(sql)
if err != nil {
logrus.Fatalln("Error preparing stmtGetStatsVariableAmount with "+sql+" query.", err.Error())
}
return d.MapGetStatsQuery[statsAmount]
}
func (d *Database) setStatsStatement(statsAmount int) *sql.Stmt {
var err error
// Check if we have a statement prepared for the stats
if statement, ok := d.MapSetStatsQuery[statsAmount]; ok {
return statement
}
var query string
for i := 1; i < statsAmount; i++ {
query += "(?, ?, ?, ?), "
}
sql := "INSERT INTO game_stats" +
" (user_id, heroID, statsKey, statsValue)" +
" VALUES " + query + "(?, ?, ?, ?)" +
" ON DUPLICATE KEY UPDATE" +
" statsValue=VALUES(statsValue)"
d.MapSetStatsQuery[statsAmount], err = d.db.Prepare(sql)
if err != nil {
logrus.Fatalln("Error preparing stmtSetStatsVariableAmount with "+sql+" query.", err.Error())
}
return d.MapSetStatsQuery[statsAmount]
}
func (d *Database) prepareStatements() {
var err error
//Client Login/sessionID
d.stmtGetHeroByToken, err = d.db.Prepare(
"SELECT id, username, email, birthday, language, country, game_token" +
" FROM users" +
" WHERE game_token = ?")
if err != nil {
logrus.Fatalln("Error preparing stmtGetHeroByToken.", err.Error())
}
//Client Login
d.stmtGetHeroesByUserID, err = d.db.Prepare(
"SELECT id, user_id, heroName, online" +
" FROM game_heroes" +
" WHERE user_id = ?")
if err != nil {
logrus.Fatalln("Error preparing stmtGetHeroesByUserID.", err.Error())
}
//Client Login
d.stmtGetHeroByName, err = d.db.Prepare(
"SELECT id, user_id, heroName, online" +
" FROM game_heroes" +
" WHERE heroName = ?")
if err != nil {
logrus.Fatalln("Error preparing stmtGetHeroesByUserID.", err.Error())
}
//Client Login
d.stmtGetHeroByID, err = d.db.Prepare(
"SELECT id, user_id, heroName, online" +
" FROM game_heroes" +
" WHERE id = ?")
if err != nil {
logrus.Fatalln("Error preparing stmtGetHeroByID.", err.Error())
}
d.stmtGetBookmark, err = d.db.Prepare(
"SELECT gid" +
" FROM game_player_server_preferences" +
" WHERE userid = ?")
if err != nil {
logrus.Println("Error Bookmark", err.Error())
}
//Server Login
d.stmtGetServerBySecret, err = d.db.Prepare(
"SELECT game_servers.id, users.id, game_servers.servername, game_servers.secretKey, users.username" +
" FROM game_servers" +
" LEFT JOIN users" +
" ON users.id=game_servers.user_id" +
" WHERE secretKey = ?")
if err != nil {
logrus.Fatalln("Error preparing stmtGetServerBySecret.", err.Error())
}
//Server Login
d.stmtGetServerByID, err = d.db.Prepare(
"SELECT game_servers.id, users.id, game_servers.servername, game_servers.secretKey, users.username" +
" FROM game_servers" +
" LEFT JOIN users" +
" ON users.id=game_servers.user_id" +
" WHERE game_servers.id = ?")
if err != nil {
logrus.Fatalln("Error preparing stmtGetServerByID.", err.Error())
}
//Server Login
d.stmtGetServerByName, err = d.db.Prepare(
"SELECT game_servers.id, users.id, game_servers.servername, game_servers.secretKey, users.username" +
" FROM game_servers" +
" LEFT JOIN users" +
" ON users.id=game_servers.user_id" +
" WHERE game_servers.servername = ?")
if err != nil {
logrus.Fatalln("Error preparing stmtGetServerByName.", err.Error())
}
d.stmtClearServerStats, err = d.db.Prepare(
"DELETE FROM game_server_stats")
if err != nil {
logrus.Fatalln("Error preparing stmtClearServerStats.", err.Error())
}
}
func (d *Database) closeStatements() {
d.stmtGetHeroByToken.Close()
d.stmtGetServerBySecret.Close()
d.stmtGetServerByID.Close()
d.stmtGetServerByName.Close()
d.stmtGetHeroesByUserID.Close()
d.stmtGetHeroByName.Close()
d.stmtClearServerStats.Close()
// Close the dynamic lenght getStats statements
for index := range d.MapGetStatsQuery {
d.MapGetStatsQuery[index].Close()
}
// Close the dynamic lenght setStats statements
for index := range d.MapSetStatsQuery {
d.MapSetStatsQuery[index].Close()
}
}