49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
package sqldb
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import (
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"database/sql"
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"fmt"
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"officeHours/config"
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_ "github.com/go-sql-driver/mysql"
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_ "github.com/mattn/go-sqlite3"
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)
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// Connect to a database using or throw an error
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func Connect(config config.Config) (*sql.DB, error) {
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switch config.SQL.Type {
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case "SQLite":
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return connectSQLite(config.SQL.SQLiteFile)
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case "Mysql":
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return connectMysql(config.SQL.MysqlUser,
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config.SQL.MysqlPassword,
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config.SQL.MysqlHost,
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config.SQL.MysqlPort,
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config.SQL.MysqlDatabase)
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default:
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return nil, fmt.Errorf("type of database not recognised: %s", config.SQL.Type)
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}
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}
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// Connect to a SQLite database and check the connection.
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func connectSQLite(file string) (*sql.DB, error) {
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db, err := sql.Open("sqlite3", file)
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if err != nil {
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return db, fmt.Errorf("error opening SQLite database: %w", err)
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}
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return db, nil
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}
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// Connect to a Mysql database and check the connection.
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func connectMysql(user string, password string, address string, port int, database string) (*sql.DB, error) {
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db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", user, password, address, port, database))
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if err != nil {
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return db, fmt.Errorf("error connecting to Mysql database: %w", err)
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}
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err = db.Ping()
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if err != nil {
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return db, fmt.Errorf("error pinging Mysql database: %w", err)
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}
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return db, nil
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}
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