add: kpp code

.gitignore

@@ -10,6 +10,7 @@
 *.xml
 *.csv
 *.html
+*.txt
 
 .DS_Store
 

README.md

@@ -12,17 +12,7 @@ It is not production ready public API! It is API could be change it the future.
 
 Status of implementation by code package:
 
-- [x] BIK
-  - [x] Validate method
-  - [x] Generate method
-  - [x] Exists method
-- [x] INN
-  - [x] Generate method
-  - [x] Validate method
-- [ ] KPP
-  - [ ] Generate method
-  - [x] Validate method
-- [x] OGRN
+- [ ] OGRN
   - [x] Generate method
   - [ ] Validate method
 - [ ] OGRNIP
@@ -37,13 +27,15 @@ Status of implementation by code package:
 - [ ] SNILS
   - [ ] Generate method
   - [x] Validate method
-- [ ] Swift
+- [ ] SWIFT
   - [ ] Generate method
   - [ ] Validate method
 - [ ] KS
   - [ ] Generate method
   - [ ] Validate method
 
+Full supported codes: BIK, INN, KPP
+
 ## Usage
 
 ``` bash
@@ -57,17 +49,19 @@ go get github.com/sshaplygin/docs-code
 import (
 	"log"
 
-	"github.com/sshaplygin/docs-code/inn"
+	"github.com/sshaplygin/docs-code"
 )
 
 ...
 
-isValid, err := inn.Validate("526317984689")
+isValid, err := docs_code.Validate(docs_code.INN, "526317984689")
 if err != nil {
-    log.Error(err)
+  log.Error(err)
 }
-if isValid {
-    log.Println("INN is valid")
+if !isValid {
+  log.Println("INN is invalid")
+} else {
+  log.Println("INN is valid")
 }
 ```
 

bik/bik.go

@@ -9,7 +9,7 @@ import (
 func Validate(bik string) (bool, error) {
 	bikData, err := ParseBIK(bik)
 	if err != nil {
-		return false, fmt.Errorf("create %s model: %w", packageName, err)
+		return false, fmt.Errorf("parse %s model: %w", packageName, err)
 	}
 
 	return bikData.IsValid()
@@ -25,7 +25,7 @@ func Exists(bik string) (bool, error) {
 
 	bikData, err := ParseBIK(bik)
 	if err != nil {
-		return false, fmt.Errorf("create %s model: %w", packageName, err)
+		return false, fmt.Errorf("parse %s model: %w", packageName, err)
 	}
 
 	isValid, err := bikData.IsValid()
@@ -42,6 +42,6 @@ func Exists(bik string) (bool, error) {
 
 // Generate method generate a valid BIK code, but possible usaged or not usaged in reality.
 // Method guaranteed that code will be valid, but not guaranteed that code will be exists.
-func Generate(opts ...GenerateOpt) string {
-	return NewBIK(opts...).String()
+func Generate() string {
+	return NewBIK().String()
 }

bik/bik_test.go

@@ -104,9 +104,9 @@ func TestValidate(t *testing.T) {
 func Test_Generate(t *testing.T) {
 	bik := Generate()
 	isValid, err := Validate(bik)
-
 	require.NoError(t, err, fmt.Sprintf("invalid bik value: %s", bik))
-	require.True(t, isValid)
+
+	assert.True(t, isValid)
 }
 
 func Test_Exists(t *testing.T) {

bik/models.go

@@ -52,7 +52,7 @@ var (
 )
 
 type (
-	// CountryCode Required length 2.
+	// CountryCode required length 2.
 	CountryCode int
 
 	// UnitConditionalNumber required length 2.
@@ -62,40 +62,74 @@ type (
 	// or the conditional number of the structural division of the Bank of Russia.
 	UnitConditionalNumber int
 
-	// LastAccountNumbers required length 3. It is last correspondent account of the bank. Possible values [050, 999]
+	// LastAccountNumbers required length 3.
+	// It is last correspondent account of the bank. Possible values [050, 999]
 	LastAccountNumbers int
 )
 
-const codeLength = 9
+func (cc CountryCode) IsValid() bool {
+	if cc < minCountryCodeLength || cc > maxCountryCodeLength {
+		return false
+	}
 
-type BIKStruct struct {
-	country       CountryCode
-	territoryCode okato.StateCode
-	unitNumber    UnitConditionalNumber
-	lastNumber    LastAccountNumbers
+	_, ok := supportedCountryCodes[cc]
+	return ok
 }
 
-// generateOptions TODO
-type generateOptions struct {
+func (cc CountryCode) String() string {
+	_, ok := supportedCountryCodes[cc]
+	if !ok {
+		return RussiaCountryCode.String()
+	}
+
+	return utils.StrCode(int(cc), countryCodeLength)
 }
 
-type GenerateOpt func(options *generateOptions)
+func (cc CountryCode) GetName() string {
+	codeName, ok := supportedCountryCodes[cc]
+	if !ok {
+		return unspecifiedCountryCode
+	}
 
-func NewBIK(opts ...GenerateOpt) *BIKStruct {
-	var options generateOptions
+	return codeName
+}
 
-	for _, o := range opts {
-		o(&options)
-	}
+func GenerateCountryCode() CountryCode {
+	return countryCodes[utils.Random(0, len(countryCodes)-1)]
+}
 
-	return &BIKStruct{
-		country:       GenerateCountryCode(),
-		territoryCode: okato.GenerateStateCode(),
-		unitNumber:    GenerateUnitConditionalNumber(),
-		lastNumber:    GenerateLastAccountNumbers(),
+func (ucn UnitConditionalNumber) IsValid() bool {
+	return ucn >= minUnitConditionalNumber && ucn <= maxUnitConditionalNumber
+}
+
+func (ucn UnitConditionalNumber) String() string {
+	return utils.StrCode(int(ucn), unitConditionalNumberLength)
+}
+
+func GenerateUnitConditionalNumber() UnitConditionalNumber {
+	return UnitConditionalNumber(utils.Random(minUnitConditionalNumber, maxUnitConditionalNumber))
+}
+
+const specialCode = 12
+
+func (lan LastAccountNumbers) IsValid() bool {
+	if lan == specialCode {
+		return true
 	}
+
+	return lan >= minLastAccountNumbers && lan <= maxLastAccountNumbers
+}
+
+func (lan LastAccountNumbers) String() string {
+	return utils.StrCode(int(lan), lastAccountNumbersLength)
 }
 
+func GenerateLastAccountNumbers() LastAccountNumbers {
+	return LastAccountNumbers(utils.Random(minLastAccountNumbers, maxLastAccountNumbers))
+}
+
+const codeLength = 9
+
 func ParseBIK(bik string) (*BIKStruct, error) {
 	if len(bik) != codeLength {
 		return nil, &models.CommonError{
@@ -117,6 +151,34 @@ func ParseBIK(bik string) (*BIKStruct, error) {
 	}, nil
 }
 
+type BIKStruct struct {
+	country       CountryCode
+	territoryCode okato.StateCode
+	unitNumber    UnitConditionalNumber
+	lastNumber    LastAccountNumbers
+}
+
+// generateOptions TODO
+type generateOptions struct {
+}
+
+type GenerateOpt func(options *generateOptions)
+
+func NewBIK(opts ...GenerateOpt) *BIKStruct {
+	var options generateOptions
+
+	for _, o := range opts {
+		o(&options)
+	}
+
+	return &BIKStruct{
+		country:       GenerateCountryCode(),
+		territoryCode: okato.GenerateStateCode(),
+		unitNumber:    GenerateUnitConditionalNumber(),
+		lastNumber:    GenerateLastAccountNumbers(),
+	}
+}
+
 func (bs *BIKStruct) IsValid() (bool, error) {
 	if bs == nil {
 		return false, ErrNilBIK
@@ -161,64 +223,3 @@ func (bs *BIKStruct) Exists() (bool, error) {
 	_, ok := existsBIKs[bs.String()]
 	return ok, nil
 }
-
-func GenerateCountryCode() CountryCode {
-	return countryCodes[utils.Random(0, len(countryCodes)-1)]
-}
-
-func GenerateUnitConditionalNumber() UnitConditionalNumber {
-	return UnitConditionalNumber(utils.Random(minUnitConditionalNumber, maxUnitConditionalNumber))
-}
-
-func GenerateLastAccountNumbers() LastAccountNumbers {
-	return LastAccountNumbers(utils.Random(minLastAccountNumbers, maxLastAccountNumbers))
-}
-
-func (cc CountryCode) IsValid() bool {
-	if cc < minCountryCodeLength || cc > maxCountryCodeLength {
-		return false
-	}
-
-	_, ok := supportedCountryCodes[cc]
-	return ok
-}
-
-func (cc CountryCode) String() string {
-	_, ok := supportedCountryCodes[cc]
-	if !ok {
-		return RussiaCountryCode.String()
-	}
-
-	return utils.StrCode(int(cc), countryCodeLength)
-}
-
-func (cc CountryCode) GetName() string {
-	codeName, ok := supportedCountryCodes[cc]
-	if !ok {
-		return unspecifiedCountryCode
-	}
-
-	return codeName
-}
-
-func (ucn UnitConditionalNumber) IsValid() bool {
-	return ucn >= minUnitConditionalNumber && ucn <= maxUnitConditionalNumber
-}
-
-func (ucn UnitConditionalNumber) String() string {
-	return utils.StrCode(int(ucn), unitConditionalNumberLength)
-}
-
-const specialCode = 12
-
-func (lan LastAccountNumbers) IsValid() bool {
-	if lan == specialCode {
-		return true
-	}
-
-	return lan >= minLastAccountNumbers && lan <= maxLastAccountNumbers
-}
-
-func (lan LastAccountNumbers) String() string {
-	return utils.StrCode(int(lan), lastAccountNumbersLength)
-}