structs for models

common/model.go

@@ -1 +1,23 @@
 package common
+
+import (
+	"go/ast"
+	"go/token"
+)
+
+type Field struct {
+	Name     string
+	Type     ast.Expr
+	Tags     *string
+	Options  []string // contains options like "autoCreateTime" or "null"
+	Params   []string // contains params like "foreignKey:CustomerId" or "constrain:OnDelete:Cascade"
+	Position token.Pos
+	Comment  string
+}
+
+type Model struct {
+	Name     string
+	Fields   map[string]Field
+	Position token.Pos
+	Comment  string
+}

common/normalizeStructTag.go

@@ -1 +1,10 @@
 package common
+
+import "strings"
+
+func NormalizeStructTags(tags string) string {
+	// todo: process case with check with ';' literal
+	tagWithoutQuotes := tags[1 : len(tags)-1]
+	tagWithoutSemicolons := strings.ReplaceAll(tagWithoutQuotes, ";", ",")
+	return tagWithoutSemicolons
+}

common/nullSafetyCheck.go

@@ -21,12 +21,12 @@ func isGormValueNullable(tags *structtag.Tags) (*bool, error) {
 		return nil, nil
 	}
 
-	gormTag.Options = append([]string{gormTag.Name}, gormTag.Options...)
-
 	if err != nil {
 		return nil, nil
 	}
 
+	gormTag.Options = append([]string{gormTag.Name}, gormTag.Options...)
+
 	nullTagExist := gormTag.HasOption("null")
 	notNullTagExist := gormTag.HasOption("not null")
 
@@ -47,8 +47,8 @@ func CheckFieldNullConsistency(field ast.Field, structName string, structTags st
 	tags, err := structtag.Parse(structTags)
 	if err != nil {
 		return errors.New(fmt.Sprintf("Invalid structure tag: %s", err))
-
 	}
+
 	if tags == nil {
 		return nil
 	}