rate-it-api/database/mysql.go

package database

import (
	"database/sql"
	"fmt"
	_ "github.com/go-sql-driver/mysql" // This package allow me to use exec command
	"rate-it-api/utils"
)

//"github.com/go-yaml/yaml"

// MysqlExec Allow to execute a new query on mysql database
func mysqlGetConnection() (*sql.DB, error) {

	config := utils.GetConfig()
	credentials := config.Mysql

	con, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", credentials.User, credentials.Password, credentials.Hostname, credentials.Port, credentials.Database))

	if err != nil {
		return con, err
	}

	return con, nil
}

// MysqlExecInsert Allow to execute a new insert query on mysql database
func MysqlExecInsert(query string) (sql.Result, error) {

	con, err := mysqlGetConnection()
	var result sql.Result

	if err != nil {
		return result, err
	}

	result, err = con.Exec(query)

	if err != nil {
		return result, err
	}

	defer con.Close()

	return result, nil

}

// MysqlExecSelect Allow to execute a new insert query on mysql database
func MysqlExecSelect(query string) (*sql.Rows, error) {

	con, err := mysqlGetConnection()
	var result *sql.Rows

	if err != nil {
		return result, err
	}

	result, err = con.Query(query)

	if err != nil {
		return result, err
	}

	defer con.Close()

	return result, nil

}