split mysql specific code into separate package

dbx.go

@@ -2,40 +2,14 @@ package dbx
 
 import (
 	"database/sql"
-	"reflect"
 	"strings"
 
-	"gitea.auvem.com/go-toolkit/app"
 	"github.com/go-jet/jet/v2/qrm"
-	_ "github.com/go-sql-driver/mysql"
 )
 
 // ModuleDBName is the name of the database module.
 const ModuleDBName = "database"
 
-var (
-	// ErrNoRows is returned when a query returns no rows.
-	ErrNoRows = qrm.ErrNoRows
-
-	// sqlDB stores the current SQL database handle.
-	sqlDB *sql.DB
-
-	// config stores the database connection configuration.
-	config DBConfig
-
-	// dbModule is the singleton module instance for the database connection.
-	dbModule *app.Module
-)
-
-// SQLO returns the current SQL database handle.
-func SQLO() *sql.DB {
-	dbModule.RequireLoaded("dbx.SQLO requires database module") // ensure the module is loaded before accessing the database
-	if sqlDB == nil {
-		panic("SQL database not initialized")
-	}
-	return sqlDB
-}
-
 // Queryable interface is an SQL driver object that can execute SQL statements
 // for Jet.
 type Queryable interface {
@@ -57,36 +31,6 @@ type ExecutableTx interface {
 	Begin() (*sql.Tx, error)
 }
 
-// DestName returns the name of the type passed as `destTypeStruct` as a string,
-// normalized for compatibility with the Jet QRM.
-func DestName(destTypeStruct any, path ...string) string {
-	v := reflect.ValueOf(destTypeStruct)
-	for v.Kind() == reflect.Ptr {
-		v = v.Elem()
-	}
-
-	destIdent := v.Type().String()
-	destIdent = destIdent[strings.LastIndex(destIdent, ".")+1:]
-
-	for i, p := range path {
-		if v.Kind() != reflect.Struct {
-			dbModule.Logger().Error("DestName: path parent is not a struct", "path", destIdent+"."+strings.Join(path[:i+1], "."))
-			return ""
-		}
-
-		v = v.FieldByName(p)
-
-		if !v.IsValid() {
-			dbModule.Logger().Error("DestName: field does not exist", "path", destIdent+"."+strings.Join(path[:i+1], "."))
-			return ""
-		}
-
-		destIdent += "." + p
-	}
-
-	return destIdent
-}
-
 // StringToFilter processes a string to be used as a filter in an SQL LIKE
 // statement. It replaces all spaces with % and adds % to the beginning and
 // end of the string.