fix: date, date-time filter

Signed-off-by: Reza Mobaraki <rezam578@gmail.com>

pkg/query_builder/mysql/filter.go

@@ -1,12 +1,29 @@
 package mysqlquerybuilder
 
-import "fmt"
+import (
+	"fmt"
+	"reflect"
+	"time"
+)
 
+const DateFormat = "2006-01-02"
+
+func isTimeType(value interface{}) bool {
+	return reflect.TypeOf(value) == reflect.TypeOf(time.Time{})
+}
+
+// BuildFilterQuery constructs the query and handles datetime fields
 func BuildFilterQuery(filter map[string]interface{}) (filterQuery string, args []any) {
 	for key, value := range filter {
+		if isTimeType(value) {
+			filterQuery += fmt.Sprintf("AND DATE(%s) = ? ", key)
+			dateValue := value.(time.Time).Format(DateFormat)
+			args = append(args, dateValue)
+		} else {
 			filterQuery += fmt.Sprintf("AND %s = ? ", key)
 			args = append(args, value)
 		}
+	}
 
 	return filterQuery, args
 }