Speichere Konfiguration in config/config.json

sqldb/sqldb.go

@@ -2,13 +2,31 @@ package sqldb
 
 import (
 	"database/sql"
+	"fmt"
 	"log"
+	"sprechstundentool/config"
 
 	_ "github.com/go-sql-driver/mysql"
 	_ "github.com/mattn/go-sqlite3"
 )
 
-func ConnectSQLite(file string) *sql.DB {
+func Connect(config config.Config) *sql.DB {
+	switch config.SQL.Type {
+	case "SQLite":
+		return connectSQLite(config.SQL.SQLiteFile)
+	case "Mysql":
+		return connectMysql(config.SQL.MysqlUser,
+			config.SQL.MysqlPassword,
+			config.SQL.MysqlHost,
+			config.SQL.MysqlPort,
+			config.SQL.MysqlDatabase)
+	default:
+		log.Fatal("Type of database not recognised.")
+	}
+	return nil
+}
+
+func connectSQLite(file string) *sql.DB {
 	db, err := sql.Open("sqlite3", file)
 	if err != nil {
 		log.Fatal(err)
@@ -17,16 +35,16 @@ func ConnectSQLite(file string) *sql.DB {
 	return db
 }
 
-func ConnectMysql(connection string) *sql.DB {
-	db, err := sql.Open("mysql", connection)
+func connectMysql(user string, password string, address string, port int, database string) *sql.DB {
+	db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", user, password, address, port, database))
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("Error connecting to database: %s", err)
 	}
 
 	err = db.Ping()
 	// handle error
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("Error pinging database: %s", err)
 	}
 	return db
 }