go-sergel is a simple Go wrapper for the Sergel SMS REST API.

Getting started

Installation

go get github.com/MjukBiltvatt/go-sergel 

Importing

import "github.com/MjukBiltvatt/go-sergel"

Usage

Before sending an SMS with go-sergel, you must first create a new Sergel client.

client, err := sergel.NewClient(sergel.NewClientParams{
    Username:           "username",
    Password:           "password", 
    PlatformID:         "platform_id",
    PlatformPartnerID:  "platform_partner_id",
    URL:                "https://your-sergel-url.com",
    CountryCode:        "+46",
})
if err != nil {
    handleErr(err)
}

All field values of sergel.NewClientParams should be accessible to you via Sergel. The URL field can be including or excluding a trailing /. The field CountryCode is optional, but without it, you cannot send messages with a receiving phone number that starts with the character '0'.

You can start sending messages as soon as your client has been created. To send a regular MT (mobile-terminated) message, follow the example below.

if err := client.Send("sender", "+46000000000", "message"); err != nil {
    handleErr(err)
}
fmt.Println("Message was sent!")

Complete example

client, err := sergel.NewClient(sergel.NewClientParams{
    Username: "username",
    Password: "password", 
    PlatformID: "platform_id",
    PlatformPartnerID: "platform_partner_id",
    URL: "https://your-sergel-url.com",
    CountryCode: "+46",
})
if err != nil {
    fmt.Println(err)
    return
}

if err := client.Send("sender", "0700000000", "Hello world!"); err != nil {
    fmt.Println(err)
    return
}

New lines

Some phones seem to have trouble with rendering new line (\n) characters in text messages. The source of this issue is unknown as it works with some phones but not with others. A solution that has been found to render new line characters looks as follows.

const smsTpl = `
Hello world!
This text should appear on a new line.

This should be on a line two lines under the previous text.
`

client, err := sergel.NewClient(sergel.NewClientParams{
    Username: "username",
    Password: "password", 
    PlatformID: "platform_id",
    PlatformPartnerID: "platform_partner_id",
    URL: "https://your-sergel-url.com",
    CountryCode: "+46",
})

if err != nil {
    fmt.Println(err)
    return
}

if err := client.Send("sender", "0700000000", smsTpl); err != nil {
    fmt.Println(err)
    return
}

When using this method, pay notice to the indentation on the resulting SMS. The best way I have found is to do it like the example above, with the SMS text in a seperate constant/variable without any indentation in the actual string.