fix: invalid relations detect

relationsCheck/relationsCheck.go

@@ -98,6 +98,9 @@ func CheckOneToMany(pass *analysis.Pass, models map[string]common.Model) {
 			if common.IsSlice(field.Type) {
 				continue
 			}
+			if field.Tags.HasParam("many2many") {
+				continue
+			}
 
 			baseType := common.ResolveBaseType(field.Type)
 			if baseType == nil {
@@ -118,6 +121,8 @@ func CheckOneToMany(pass *analysis.Pass, models map[string]common.Model) {
 				foundBelongsTo := IsBelongsTo(field, model, *relatedModel)
 				if foundBelongsTo {
 					fmt.Printf("Found belongs to relation in model `%s` with model `%s`\n", model.Name, *baseType)
+				} else {
+					pass.Reportf(field.Pos, "Invalid relation in field `%s`", field.Name)
 				}
 			}
 		}

tests/testdata/src/relations_check/negative.go

@@ -50,3 +50,14 @@ type File struct {
 	PostId uint
 	Post   Post
 }
+
+type Consumer struct {
+	Id           uint `gorm:"primaryKey"`
+	Name         string
+	ShoppingCart ShoppingCart // want "Invalid relation in field `ShoppingCart`"
+}
+
+type ShoppingCart struct {
+	Id              uint `gorm:"primaryKey"`
+	SerializedItems string
+}

tests/testdata/src/relations_check/positive.go

@@ -26,8 +26,8 @@ type Kuzbass struct {
 }
 
 type City struct {
-	Id      uint `gorm:"primaryKey"`
-	Kuzbass Kuzbass
+	Id      uint    `gorm:"primaryKey"`
+	Kuzbass Kuzbass // want "Invalid relation in field `Kuzbass`"
 }
 
 type Federation struct { // want "Id field should be presented model \"Federation\""
@@ -38,3 +38,17 @@ type Land struct {
 	Id           uint `gorm:"primaryKey"`
 	FederationId uint
 }
+
+// Belongs to
+
+type Owner struct {
+	Id        uint `gorm:"primaryKey"`
+	Name      string
+	CompanyId int
+	Company   Company
+}
+
+type Company struct {
+	Id   int
+	Name string
+}