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add Recursively validation
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@ -333,3 +333,42 @@ func (v *Validation) Valid(obj interface{}) (b bool, err error) {
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return !v.HasErrors(), nil
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}
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// Recursively validate a struct.
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// Step1: Validate by v.Valid
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// Step2: If pass on step1, then reflect obj's fields
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// Step3: Do the Recursively validation to all struct or struct pointer fields
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// Anonymous fields will be ignored
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func (v *Validation) RecursiveValid(objc interface{}) (bool, error) {
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//Step 1: validate obj itself firstly
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pass, err := v.Valid(objc)
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if err != nil || false == pass {
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return pass, err // Stop recursive validation
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} else { //pass
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// Step 2: Validate struct's struct fields
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objT := reflect.TypeOf(objc)
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objV := reflect.ValueOf(objc)
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if isStruct(objT) || isStructPtr(objT) {
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if isStructPtr(objT) {
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objT = objT.Elem()
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objV = objV.Elem()
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}
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for i := 0; i < objT.NumField(); i++ {
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t := objT.Field(i).Type
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if isStruct(t) || isStructPtr(t) {
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// Step 3: do the recursive validation
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// Only valid the Public field recursively
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if objV.Field(i).CanInterface() {
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pass, err = v.RecursiveValid(objV.Field(i).Interface())
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}
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}
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}
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}
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return pass, err
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}
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}
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@ -343,3 +343,33 @@ func TestValid(t *testing.T) {
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t.Errorf("Message key should be `Name.Match` but got %s", valid.Errors[0].Key)
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}
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}
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func TestRecursiveValid(t *testing.T) {
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type User struct {
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Id int
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Name string `valid:"Required;Match(/^(test)?\\w*@(/test/);com$/)"`
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Age int `valid:"Required;Range(1, 140)"`
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}
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type AnonymouseUser struct {
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Id2 int
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Name2 string `valid:"Required;Match(/^(test)?\\w*@(/test/);com$/)"`
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Age2 int `valid:"Required;Range(1, 140)"`
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}
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type Account struct {
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Password string `valid:"Required"`
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U User
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AnonymouseUser
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}
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valid := Validation{}
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u := Account{Password: "abc123_", U: User{}}
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b, err := valid.RecursiveValid(u)
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if err != nil {
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t.Fatal(err)
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}
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if b {
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t.Error("validation should not be passed")
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}
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}
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