/
datastore_container.go
147 lines (114 loc) · 3.76 KB
/
datastore_container.go
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package datastore
import (
"fmt"
"net"
"net/url"
"os"
"strings"
"time"
_ "github.com/go-sql-driver/mysql"
_ "github.com/lib/pq"
_ "github.com/mattn/go-sqlite3"
"xorm.io/xorm"
"github.com/mayswind/ezbookkeeping/pkg/errs"
"github.com/mayswind/ezbookkeeping/pkg/settings"
)
// DataStoreContainer contains all data storages
type DataStoreContainer struct {
UserStore *DataStore
TokenStore *DataStore
UserDataStore *DataStore
}
// Initialize a data storage container singleton instance
var (
Container = &DataStoreContainer{}
)
// InitializeDataStore initializes data storage according to the config
func InitializeDataStore(config *settings.Config) error {
database, err := initializeDatabase(config.DatabaseConfig)
if err != nil {
return err
}
setDatabaseLogger(database, config)
Container.UserStore, err = NewDataStore(database)
if err != nil {
return err
}
Container.TokenStore, err = NewDataStore(database)
if err != nil {
return err
}
Container.UserDataStore, err = NewDataStore(database)
if err != nil {
return err
}
return nil
}
func initializeDatabase(dbConfig *settings.DatabaseConfig) (*Database, error) {
var connStr string
var err error
if dbConfig.DatabaseType == settings.Sqlite3DbType {
if _, err = os.Stat(dbConfig.DatabasePath); err != nil {
file, err := os.Create(dbConfig.DatabasePath)
if err != nil {
return nil, err
}
defer file.Close()
}
}
if dbConfig.DatabaseType == settings.MySqlDbType {
connStr, err = getMysqlConnectionString(dbConfig)
} else if dbConfig.DatabaseType == settings.PostgresDbType {
connStr, err = getPostgresConnectionString(dbConfig)
} else if dbConfig.DatabaseType == settings.Sqlite3DbType {
connStr, err = getSqlite3ConnectionString(dbConfig)
} else {
return nil, errs.ErrDatabaseTypeInvalid
}
if err != nil {
return nil, err
}
connStrs := []string{
connStr,
}
engineGroup, err := xorm.NewEngineGroup(dbConfig.DatabaseType, connStrs, xorm.RoundRobinPolicy())
if err != nil {
return nil, err
}
engineGroup.SetMaxIdleConns(int(dbConfig.MaxIdleConnection))
engineGroup.SetMaxOpenConns(int(dbConfig.MaxOpenConnection))
engineGroup.SetConnMaxLifetime(time.Duration(dbConfig.ConnectionMaxLifeTime) * time.Second)
return &Database{
engineGroup: engineGroup,
}, nil
}
func setDatabaseLogger(database *Database, config *settings.Config) {
if config.EnableQueryLog {
database.engineGroup.SetLogger(NewXOrmLoggerAdapter(config.EnableQueryLog, config.LogLevel))
database.engineGroup.ShowSQL(true)
}
}
func getMysqlConnectionString(dbConfig *settings.DatabaseConfig) (string, error) {
protocol := "tcp"
if strings.HasPrefix(dbConfig.DatabaseHost, "/") { // unix socket path
protocol = "unix"
}
return fmt.Sprintf("%s:%s@%s(%s)/%s?charset=utf8mb4&parseTime=true",
dbConfig.DatabaseUser, dbConfig.DatabasePassword, protocol, dbConfig.DatabaseHost, dbConfig.DatabaseName), nil
}
func getPostgresConnectionString(dbConfig *settings.DatabaseConfig) (string, error) {
host, port, err := net.SplitHostPort(dbConfig.DatabaseHost)
if err != nil {
return "", errs.ErrDatabaseHostInvalid
}
if strings.HasPrefix(dbConfig.DatabaseHost, "/") { // unix socket path
return fmt.Sprintf("postgres://%s:%s@:%s/%s?sslmode=%s&host=%s",
url.QueryEscape(dbConfig.DatabaseUser), url.QueryEscape(dbConfig.DatabasePassword), port, dbConfig.DatabaseName, dbConfig.DatabaseSSLMode, host), nil
} else {
return fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=%s",
url.QueryEscape(dbConfig.DatabaseUser), url.QueryEscape(dbConfig.DatabasePassword), host, port, dbConfig.DatabaseName, dbConfig.DatabaseSSLMode), nil
}
}
func getSqlite3ConnectionString(dbConfig *settings.DatabaseConfig) (string, error) {
return fmt.Sprintf("file:%s?cache=shared&mode=rwc", dbConfig.DatabasePath), nil
}