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EGNCheck.go
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192 lines (162 loc) · 5.32 KB
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package main
import (
"fmt"
"sort"
)
type EGNCheck struct {
EGN_REGIONS map[string]int
EGN_WEIGHTS []int
MONTHS_BG map[int]string
}
func NewEGNCheck() *EGNCheck {
egnCheck := &EGNCheck{
EGN_REGIONS: make(map[string]int),
EGN_WEIGHTS: []int{2, 4, 8, 5, 10, 9, 7, 3, 6},
MONTHS_BG: map[int]string{1: "януари", 2: "февруари", 3: "март", 4: "април", 5: "май", 6: "юни", 7: "юли", 8: "август", 9: "септември", 10: "октомври", 11: "ноември", 12: "декември"},
}
EGN_REGIONS := map[string]int{
"Благоевград": 43,
"Бургас": 93,
"Варна": 139,
"Велико Търново": 169,
"Видин": 183,
"Враца": 217,
"Габрово": 233,
"Кърджали": 281,
"Кюстендил": 301,
"Ловеч": 319,
"Монтана": 341,
"Пазарджик": 377,
"Перник": 395,
"Плевен": 435,
"Пловдив": 501,
"Разград": 527,
"Русе": 555,
"Силистра": 575,
"Сливен": 601,
"Смолян": 623,
"София - град": 721,
"София - окръг": 751,
"Стара Загора": 789,
"Добрич (Толбухин)": 821,
"Търговище": 843,
"Хасково": 871,
"Шумен": 903,
"Ямбол": 925,
"Друг/Неизвестен": 999,
}
// Sort the EGN_REGIONS map by values
keys := make([]string, 0, len(EGN_REGIONS))
for k := range EGN_REGIONS {
keys = append(keys, k)
}
sort.Strings(keys)
for _, key := range keys {
egnCheck.EGN_REGIONS[key] = EGN_REGIONS[key]
}
return egnCheck
}
func (e *EGNCheck) checkIsValid(egn string) bool {
EGN_WEIGHTS := e.EGN_WEIGHTS
if len(egn) != 10 {
return false
}
year := int(egn[0]-'0')*10 + int(egn[1]-'0')
month := int(egn[2]-'0')*10 + int(egn[3]-'0')
day := int(egn[4]-'0')*10 + int(egn[5]-'0')
if month > 40 {
if !(1 <= (month-40) && (month-40) <= 12) || !(1 <= day && day <= 31) {
return false
}
} else if month > 20 {
if !(1 <= (month-20) && (month-20) <= 12) || !(1 <= day && day <= 31) {
return false
}
} else {
if !(1 <= month && month <= 12) || !(1 <= day && day <= 31) {
return false
}
}
checksum := int(egn[9] - '0')
egnSum := 0
for i := 0; i < 9; i++ {
egnSum += int(egn[i]-'0') * EGN_WEIGHTS[i]
}
validChecksum := egnSum % 11
if validChecksum == 10 {
validChecksum = 0
}
return checksum == validChecksum
}
func (e *EGNCheck) parseEgn(egn string) map[string]interface{} {
EGN_REGIONS := e.EGN_REGIONS
MONTHS_BG := e.MONTHS_BG
if !e.checkIsValid(egn) {
return nil
}
ret := make(map[string]interface{})
ret["year"] = int(egn[0]-'0')*10 + int(egn[1]-'0')
ret["month"] = int(egn[2]-'0')*10 + int(egn[3]-'0')
ret["day"] = int(egn[4]-'0')*10 + int(egn[5]-'0')
if ret["month"] > 40 {
ret["month"] -= 40
ret["year"] += 2000
} else if ret["month"] > 20 {
ret["month"] -= 20
ret["year"] += 1800
} else {
ret["year"] += 1900
}
ret["birthday_text"] = fmt.Sprintf("%d %s %d г.", ret["day"], MONTHS_BG[ret["month"]], ret["year"])
region := int(egn[6]-'0')*100 + int(egn[7]-'0')*10 + int(egn[8]-'0')
ret["region_num"] = region
ret["sex"] = int(egn[8]-'0') % 2
ret["sex_text"] = "жена"
if ret["sex"] == 0 {
ret["sex_text"] = "мъж"
}
for regionName, lastRegionNum := range EGN_REGIONS {
if regionName == "Друг/Неизвестен" {
continue
}
if region >= lastRegionNum {
ret["region_text"] = regionName
break
}
}
if ret["sex"] == 0 {
region--
}
ret["birthnumber"] = (region - 1) / 2 + 1
return ret
}
func (e *EGNCheck) egnInfo(egn string) map[string]interface{} {
if !e.checkIsValid(egn) {
return map[string]interface{}{"message": fmt.Sprintf("<b>%s</b> невалиден ЕГН", egn)}
}
data := e.parseEgn(egn)
ret := fmt.Sprintf("<b>%s</b> е ЕГН на <b>%s</b>, роден%s на <b>%s</b> в регион <b>%s</b> ",
egn, data["sex_text"], data["sex"], data["birthday_text"], data["region_text"])
if data["birthnumber"].(float64)-1 > 0 {
ret += fmt.Sprintf("като преди %s ", map[bool]string{true: "нея", false: "него"}[data["sex"].(bool)])
if data["birthnumber"].(float64)-1 > 1 {
ret += fmt.Sprintf("в този ден и регион са се родили <b>%d</b>", int(data["birthnumber"].(float64)-1))
ret += map[bool]string{true: " момичета", false: " момчета"}[data["sex"].(bool)]
} else {
ret += fmt.Sprintf("в този ден и регион се е родило <b>1</b>")
ret += map[bool]string{true: " момиче", false: " момче"}[data["sex"].(bool)]
}
} else {
ret += fmt.Sprintf("като е %s ", map[bool]string{true: "била", false: "билa"}[data["sex"].(bool)])
ret += fmt.Sprintf("<b>първото %s</b> ", map[bool]string{true: " момиче", false: " момче"}[data["sex"].(bool)])
ret += "родено в този ден и регион"
}
data["message"] = ret
return data
}
func main() {
egnChecker := NewEGNCheck()
egn := "1234567890" // Replace this with a valid or invalid EGN
result := egnChecker.egnInfo(egn)
fmt.Println(result["message"])
}