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[feature/23] :: birth certificate mock pt br #39
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wellfernandes
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feature/23-birth-certificate-mock-pt-br
Mar 21, 2025
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8521520
feat: added birth certificate generator
wellfernandes 689fc08
feat: added birth certificate errors
wellfernandes 4cd19e1
feat: added birth certificate validator
wellfernandes 90b84be
feat: added brazilian birth certificate example
wellfernandes 944ff89
refactor: changed import reference name
wellfernandes f07cbf8
fix: fixed function to generate valid check digit
wellfernandes 7c7d555
fix: fixed birth certificate validation func
wellfernandes 39a47b8
fix: fixed comment on birth certificate errors
wellfernandes aea3e6e
docs: updated main readme
wellfernandes c6b6809
docs: updated main readme
wellfernandes 71163aa
docs: updated readme in portuguese
wellfernandes 21941a3
merge: merge branch 'develop' into feature/23-birth-certificate-mock-…
wellfernandes 343485f
remove: folders deleted after restructuring packages
wellfernandes 38cb2ef
refactor: restructured packages for birth certificate
wellfernandes 08e1a8e
feat: added example for birth certificate
wellfernandes f94442f
refactor: added parameter to format company data
wellfernandes 2ca2b8d
refactor: changed company error comment
wellfernandes ca76f5f
refactor: added parameter to format company data
wellfernandes c145019
fix: fixed unit test for company
wellfernandes fe5796f
refactor: removed useless prints
wellfernandes a82807c
remove: files changed for generalization
wellfernandes 2cf5c79
feat: added certificate generator
wellfernandes 5f9d28a
feat: added generation model for brazilian certificates
wellfernandes 3566391
fix: changed error to a generic error
wellfernandes d7d0412
feat: added certificate errors
wellfernandes cdeb81e
feat: added certificate validator
wellfernandes 0cfefc9
feat: added mock examples for certificates
wellfernandes 11f03ca
docs: updated main readme
wellfernandes 74d8055
docs: updated portuguese readme
wellfernandes dd1d8a8
docs: added comment the certificate generator
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152 changes: 152 additions & 0 deletions
152
pkg/mocai/entities/birth_certificate/countries/brazilian_birth_certificate.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| package countries | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math/rand" | ||
| "time" | ||
| ) | ||
|
|
||
| // BrazilianBirthCertificate represents the structure of a Brazilian birth certificate | ||
| // containing all its components and the final certificate number | ||
| type BrazilianBirthCertificate struct { | ||
| VitalRecordsOffice int | ||
| ArchiveCode int | ||
| ServiceType int | ||
| BirthYear int | ||
| CertificateType int | ||
| BookNumber int | ||
| PageNumber int | ||
| TermNumber int | ||
| CheckDigits string | ||
| CertificateNumber string | ||
| } | ||
|
|
||
| // GenerateBirthCertificate generates a valid Brazilian birth certificate number | ||
| // If formatted is true, returns the number with separators (-) | ||
| // Returns a pointer to BrazilianBirthCertificate and error if any validation fails | ||
| func GenerateBirthCertificate(formatted bool) (*BrazilianBirthCertificate, error) { | ||
|
|
||
| // Create a new random source | ||
| r := rand.New(rand.NewSource(time.Now().UnixNano())) | ||
|
|
||
| // Registry Office | ||
| // 1. Vital Records Office [6 digits] | ||
| vitalRecordsOffice := r.Intn(899999) + 100000 | ||
| if vitalRecordsOffice < 0 { | ||
| return nil, ErrInvalidVitalRecordsOffice | ||
| } | ||
|
|
||
| // 2. Archive [2 digits] | ||
| archiveCode := 1 | ||
|
|
||
| // 3. Civil Registry of Natural Persons [2 digits] | ||
| serviceType := 55 | ||
|
|
||
| // 4. Birth Year [4 digits] | ||
| currentYear := time.Now().Year() | ||
| birthYear := r.Intn(currentYear-2010+1) + 2010 | ||
|
|
||
| // 5. Certificate type [1 digit] | ||
| certificateType := 1 | ||
|
|
||
| // 6. Book number [5 digits] | ||
| bookNumber := r.Intn(89999) + 10000 | ||
| if bookNumber < 0 { | ||
| return nil, ErrInvalidBookNumber | ||
| } | ||
|
|
||
| // 7. Page number [3 digits] | ||
| pageNumber := r.Intn(899) + 100 | ||
| if pageNumber < 0 { | ||
| return nil, ErrInvalidPageNumber | ||
| } | ||
|
|
||
| // 8. Term number [7 digits] | ||
| termNumber := r.Intn(8999999) + 1000000 | ||
| if termNumber < 0 { | ||
| return nil, ErrInvalidTermNumber | ||
| } | ||
|
|
||
| // Number without check digits [30 digits] | ||
| numberWithoutCheckDigits := fmt.Sprintf("%06d%02d%02d%04d%d%05d%03d%07d", | ||
| vitalRecordsOffice, archiveCode, serviceType, birthYear, certificateType, bookNumber, pageNumber, termNumber) | ||
| if len(numberWithoutCheckDigits) != 30 { | ||
| print(numberWithoutCheckDigits) | ||
| return nil, ErrInvalidNumberWithoutCheckDigits | ||
| } | ||
|
|
||
| // 9. Check digits calculation [2 digits] | ||
| checkDigits := calculateCheckDigits(numberWithoutCheckDigits) | ||
| print("checkDigits: ", checkDigits) | ||
|
|
||
| certificateNumber := fmt.Sprintf("%s%02s", numberWithoutCheckDigits, checkDigits) | ||
| if formatted { | ||
| certificateNumber = fmt.Sprintf("%06d %02d %02d %04d %d %05d %03d %07d-%02s", | ||
| vitalRecordsOffice, archiveCode, serviceType, birthYear, certificateType, bookNumber, pageNumber, termNumber, checkDigits) | ||
| } | ||
|
|
||
| if certificateNumber == "" { | ||
| return nil, ErrInvalidBirthCertificate | ||
| } | ||
|
|
||
| brazilianCertificate := &BrazilianBirthCertificate{ | ||
| VitalRecordsOffice: vitalRecordsOffice, | ||
| ArchiveCode: archiveCode, | ||
| ServiceType: serviceType, | ||
| BirthYear: birthYear, | ||
| CertificateType: certificateType, | ||
| BookNumber: bookNumber, | ||
| PageNumber: pageNumber, | ||
| TermNumber: termNumber, | ||
| CheckDigits: checkDigits, | ||
| CertificateNumber: certificateNumber, | ||
| } | ||
|
|
||
| return brazilianCertificate, nil | ||
| } | ||
|
|
||
| // calculateCheckDigits calculates the check digits for the birth certificate number | ||
| // using a weight-based algorithm / using Mod 11 | ||
| func calculateCheckDigits(number string) string { | ||
| dv1Weights := [30]int{ | ||
| 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, | ||
| 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, | ||
| 0, 10, 9, 8, 7, 6, 5, 4, 3, 2, | ||
| } | ||
|
|
||
| sumDV1 := 0 | ||
| for i := 0; i < 30; i++ { | ||
| // reverse access: b1 = last digit [position 29], b30 = first [position 0] | ||
| digit := int(number[29-i] - '0') | ||
| sumDV1 += digit * dv1Weights[i] | ||
| } | ||
|
|
||
| dv1 := sumDV1 % 11 | ||
| if dv1 == 10 { | ||
| dv1 = 1 | ||
| } | ||
|
|
||
| dv2Weights := [31]int{ | ||
| 9, // first term: dv1 * 9 | ||
| 8, 7, 6, 5, 4, 3, 2, 1, 0, | ||
| 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, | ||
| 0, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, | ||
| } | ||
|
|
||
| sumDV2 := 0 | ||
| // first term: dv1 * 9 | ||
| sumDV2 += dv1 * dv2Weights[0] | ||
|
|
||
| // remaining terms: b1 to b30 with remaining weights | ||
| for i := 0; i < 30; i++ { | ||
| digit := int(number[29-i] - '0') | ||
| sumDV2 += digit * dv2Weights[i+1] | ||
| } | ||
|
|
||
| dv2 := sumDV2 % 11 | ||
| if dv2 == 10 { | ||
| dv2 = 1 | ||
| } | ||
|
|
||
| return fmt.Sprintf("%d%d", dv1, dv2) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package countries | ||
|
|
||
| import "errors" | ||
|
|
||
| // Errors for Birth Certificate data generation failures. | ||
| // These errors represent specific failure scenarios and should be wrapped with additional | ||
| // context when returned. | ||
| var ( | ||
| ErrInvalidBirthCertificate = errors.New("invalid birth certificate") | ||
| ErrInvalidVitalRecordsOffice = errors.New("invalid vital records office number") | ||
| ErrInvalidArchive = errors.New("invalid archive number") | ||
| ErrInvalidVitalRecordsService = errors.New("invalid vital records service number") | ||
| ErrInvalidBirthYear = errors.New("invalid birth year") | ||
| ErrInvalidBookNumber = errors.New("invalid book number") | ||
| ErrInvalidPageNumber = errors.New("invalid page number") | ||
| ErrInvalidTermNumber = errors.New("invalid term number") | ||
| ErrInvalidNumberWithoutCheckDigits = errors.New("invalid number without check digits") | ||
| ) |
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