feat: models structs

cmd/gormlint/main.go

@@ -1,10 +1,14 @@
 package main
 
 import (
-	"golang.org/x/tools/go/analysis/singlechecker"
+	"golang.org/x/tools/go/analysis/multichecker"
 	"gormlint/nullSafetyCheck"
+	"gormlint/referencesCheck"
 )
 
 func main() {
-	singlechecker.Main(nullSafetyCheck.NullSafetyAnalyzer)
+	multichecker.Main(
+		nullSafetyCheck.NullSafetyAnalyzer,
+		referencesCheck.ReferenceAnalyzer,
+	)
 }

common/model.go

@@ -0,0 +1 @@
+package common

common/normalizeStructTag.go

@@ -0,0 +1 @@
+package common

models/testdata.go

@@ -0,0 +1,29 @@
+package null_safety
+
+type Order1 struct {
+	Id          uint `gorm:"primaryKey"`
+	Description string
+	// not nullable - not nullable
+	CustomerId uint `gorm:"not null;foreignKey:CustomerId;"`
+}
+
+type Order2 struct {
+	Id          uint `gorm:"primaryKey"`
+	Description string
+	// nullable - nullable
+	CustomerId *uint `gorm:"null;foreignKey:CustomerId;"`
+}
+
+type Order3 struct {
+	Id uint `gorm:"primaryKey"`
+	// nullable - unspecified
+	Status      *string
+	Description string
+}
+
+type Order4 struct {
+	Id uint `gorm:"primaryKey"`
+	// not nullable - unspecified
+	Status      *string
+	Description string
+}

nullSafetyCheck/nullSafetyCheck.go

@@ -1,4 +1,4 @@
-package nullSafetyCheck
+package analyzers
 
 import (
 	"go/ast"
@@ -8,8 +8,8 @@ import (
 )
 
 var NullSafetyAnalyzer = &analysis.Analyzer{
-	Name: "nullSafety",
+	Name: "gormNullSafety",
-	Doc:  "reports inconsistency of nullable values",
+	Doc:  "reports problems with nullable fields with unsatisfied tag",
 	Run:  run,
 }
 
@@ -24,6 +24,7 @@ func run(pass *analysis.Pass) (any, error) {
 			if !ok {
 				return true
 			}
+			pass.Fset.Position(structure.Pos())
 
 			if err := common.CheckUnnamedModel(*typeSpec); err != nil {
 				pass.Reportf(structure.Pos(), err.Error())

referencesCheck/referencesCheck.go

@@ -0,0 +1 @@
+package referencesCheck

tests/models/testdata.go

@@ -1,26 +0,0 @@
-package models
-
-type Order struct {
-	Id            uint `gorm:"primaryKey"`
-	Status        string
-	ProductTypeId uint
-	ProductType   ProductType
-	ProductAmount uint
-	Description   string
-	CustomerId    uint `gorm:"null;foreignKey:CustomerId;"` // want "Null safety error in \"Order\" model, field \"CustomerId\": column nullable policy doesn't match to tag nullable policy"
-	Customer      Customer
-	CreatedAt     int64 `gorm:"autoCreateTime"`
-	DeadlineDate  int64
-}
-
-type ProductType struct {
-	Id   uint `gorm:"primaryKey"`
-	Name string
-}
-
-type Customer struct {
-	Id      uint `gorm:"primaryKey"`
-	Title   string
-	Contact string
-	Orders  []Order `gorm:"foreignKey:CustomerId"`
-}