Go SDK

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package main
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import (
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	"os"
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	usgmclient "github.com/usgm/usgm-go/client"
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	"github.com/usgm/usgm-go/option"
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)
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func main() {
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	client := usgmclient.NewClient(
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		option.WithToken(os.Getenv("USGM_API_KEY")), // never hard-code the key
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	)
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	_ = client
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}

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ctx := context.Background()
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// Your account profile
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account, err := client.Account.Get(ctx)
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if err != nil {
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	return err
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}
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fmt.Println(account.Email)
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// List mail, one page at a time (cursor pagination)
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var cursor *string
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for {
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	page, err := client.Mails.List(ctx, &usgm.MailsListRequest{Cursor: cursor})
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	if err != nil {
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		return err
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	}
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	for _, mail := range page.Data {
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		fmt.Println(mail.ID, mail.MailStatus)
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	}
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	if page.NextCursor == nil {
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		break
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	}
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	cursor = page.NextCursor
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}
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// Fetch one item
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mail, err := client.Mails.Get(ctx, &usgm.MailsGetRequest{ID: "80421"})
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// Create a folder
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folder, err := client.Folders.Create(ctx, &usgm.CreateFolderDto{Name: "Taxes"})

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_, err := client.Mails.Get(ctx, &usgm.MailsGetRequest{ID: "does-not-exist"})
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if err != nil {
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	var apiErr *core.APIError
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	if errors.As(err, &apiErr) {
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		log.Printf("status %d", apiErr.StatusCode)
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	}
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	return err
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}