Пример работы с SMS шлюзом на языке Go | ePochta SMS
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Пример работы с SMS шлюзом на языке Go

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package main
 
import (
    "net/url"
    "bytes"
    "fmt"
    "net/http"
    "io/ioutil"
    "encoding/json"
    "encoding/xml"
)
 
type SmsGateway struct {
    login string
    password string
    xml string
}
 
type SMS struct {
    Sentdate string `xml:"sentdate,omitempty" json:"sentdate,omitempty"`
    Operations struct {
        Operation string `xml:"operation" json:"operation"`
    } `xml:"operations" json:"operations"`
    Authentification struct {
        Username string `xml:"username" json:"username"`
        Password string `xml:"password" json:"password"`
    } `xml:"authentification" json:"authentification"`
    Message struct {
        Sender string `xml:"sender" json:"sender"`
        Text string `xml:"text" json:"text"`
    } `xml:"message" json:"message"`
    Numbers  []Number `xml:"numbers>number" json:"numbers"`
    Statistics []Messageid `xml:"statistics>messageid" json:"statistics"`
}
 
type Number struct {
    Value  int64 `xml:",chardata"`
}
 
type Messageid struct {
    Value  string `xml:",chardata"`
}
 
type ResponseJson struct {
    Status int `xml:"status" json:"status"`
    Credits int32 `xml:"credits" json:"credits"`
    Amount int32 `xml:"amount" json:"amount"`
    Currenry string `xml:"currenry" json:"currenry"`
}
 
func (smsGateway *SmsGateway) sendRequest(smsData SMS) (string, error) {
     
    // json struct to xml
    xmlSms, _ := xml.Marshal(smsData)
     
    // log xml request
    // fmt.Println(string(xmlSms))
     
    form := url.Values{
        "XML": {`<?xml version="1.0" encoding="UTF-8"?>` + string(xmlSms)},
    }
     
    stringData := form.Encode()
     
    client := &http.Client{}
    req, err := http.NewRequest("POST", "http://api.myatompark.com/members/sms/xml.php", bytes.NewBufferString(stringData))
    if err != nil {
        fmt.Println(err)
    }
     
    // you can then set the Header here
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    // now POST it
    resp, err := client.Do(req)
    if err != nil {
        fmt.Println(err)
    }
    defer resp.Body.Close()
    if resp.StatusCode == http.StatusOK {
        bodyBytes, err2 := ioutil.ReadAll(resp.Body)
        bodyString := string(bodyBytes)
         
        if err2 != nil {
            fmt.Println(err2)
        }
         
        var responseJson ResponseJson
        xml.Unmarshal([]byte(bodyString), &responseJson)
        jsonDataResp, _ := json.Marshal(responseJson)
         
        /*{
            '-1': { 'status': '-1', 'code' : 'AUTH_FAILED', 'message': 'Неправильний логін та/або пароль' },
            '-2': { 'status': '-2', 'code' : 'XML_ERROR', 'message': 'Неправильний формат XML' },
            '-3': { 'status': '-3', 'code' : 'NOT_ENOUGH_CREDITS', 'message': 'Недостатньо кредитів на акаунті користувача' },
            '-4': { 'status': '-4', 'code' : 'NO_RECIPIENTS', 'message': 'Немає вірних номерів отримувачів' },
            '-7': { 'status': '-7', 'code' : 'BAD_SENDER_NAME', 'message': 'Помилка в імені відправника' },
        }*/
        return string(jsonDataResp), err2;
    }
    return "", err;
}
 
func (smsGateway *SmsGateway) sendSms(sender string, message string, numbers []int64, sentdate string) {
     
    operation := "SEND"
     
    // xml to json
    xmlData := `<?xml version="1.0" encoding="UTF-8"?>
<sms>
    <operations>
        <operation></operation>
    </operations>
    <authentification>
        <username></username>
        <password></password>
    </authentification>
    <message>
        <sender></sender>
        <text></text>
    </message>
    <numbers>
    </numbers>
</sms>`;
     
    var smsData SMS
    xml.Unmarshal([]byte(xmlData), &smsData)
    smsData.Authentification.Username = smsGateway.login
    smsData.Authentification.Password = smsGateway.password
    smsData.Operations.Operation = operation
    smsData.Message.Sender = sender
    smsData.Message.Text = message
 
    if sentdate != "" {
        smsData.Sentdate = sentdate
    }
 
    for _, value := range numbers {
        smsData.Numbers = append(smsData.Numbers, Number{int64(value)})
    }
     
    res, err := smsGateway.sendRequest(smsData)
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(res)
    }
}
 
func (smsGateway *SmsGateway) getPrice(sender string, message string, numbers []int64) {
     
    operation := "GETPRICE"
     
    xmlData := `<?xml version="1.0" encoding="UTF-8"?>
    <sms>
        <operations>
            <operation></operation>
        </operations>
        <authentification>
            <username></username>
            <password></password>
        </authentification>
        <message>
            <sender></sender>
            <text></text>
        </message>
        <numbers>
        </numbers>
    </sms>`
     
    var smsData SMS
    xml.Unmarshal([]byte(xmlData), &smsData)
             
    smsData.Authentification.Username = smsGateway.login
    smsData.Authentification.Password = smsGateway.password
    smsData.Operations.Operation = operation
    smsData.Message.Sender = sender
    smsData.Message.Text = message
     
    for _, value := range numbers {
        smsData.Numbers = append(smsData.Numbers, Number{int64(value)})
    }
 
    res, err := smsGateway.sendRequest(smsData)
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(res)
    }
}
 
func (smsGateway *SmsGateway) getStatus(list []string) {
     
    operation := "GETSTATUS"
     
    xmlData := `<?xml version="1.0" encoding="UTF-8"?>
    <sms>
        <operations>
            <operation></operation>
        </operations>
        <authentification>
            <username></username>
            <password></password>
        </authentification>
        <statistics>
        </statistics>
    </sms>`
 
    var smsData SMS
    xml.Unmarshal([]byte(xmlData), &smsData)
             
    smsData.Authentification.Username = smsGateway.login
    smsData.Authentification.Password = smsGateway.password
    smsData.Operations.Operation = operation
     
    for _, value := range list {
        smsData.Statistics = append(smsData.Statistics, Messageid{value})
    }
 
    res, err := smsGateway.sendRequest(smsData)
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(res)
    }
}
 
func (smsGateway *SmsGateway) getBalance() { 
    operation := "BALANCE"
     
    xmlData := `<?xml version="1.0" encoding="UTF-8"?>
    <sms>
        <operations>
            <operation></operation>
        </operations>
        <authentification>
            <username></username>
            <password></password>
        </authentification>
    </sms>`
 
    var smsData SMS
    xml.Unmarshal([]byte(xmlData), &smsData)
             
    smsData.Authentification.Username = smsGateway.login
    smsData.Authentification.Password = smsGateway.password
    smsData.Operations.Operation = operation
 
    res, err := smsGateway.sendRequest(smsData)
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(res)
    }
}
 
func (smsGateway *SmsGateway) getCreditPrice() {
    operation := "CREDITPRICE"
     
    xmlData := `<?xml version="1.0" encoding="UTF-8"?>
    <sms>
        <operations>
            <operation></operation>
        </operations>
        <authentification>
            <username></username>
            <password></password>
        </authentification>
    </sms>`
 
    var smsData SMS
    xml.Unmarshal([]byte(xmlData), &smsData)
 
    smsData.Authentification.Username = smsGateway.login
    smsData.Authentification.Password = smsGateway.password
    smsData.Operations.Operation = operation
 
    res, err := smsGateway.sendRequest(smsData)
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(res)
    }
}
 
// config
var username = "your username"
var password = "your password"
 
// usage example
func main() {
     
    smsGateway := SmsGateway{
        login: username,
        password: password,
    }
             
    smsGateway.sendSms("sender", "text", []int64{380930000000}, "20-07-2018")
     
    smsGateway.getPrice("sender", "text", []int64{380930000000})
     
    smsGateway.getStatus([]string{"msg1"})
     
    smsGateway.getBalance()
     
    smsGateway.getCreditPrice()
}
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