83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
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package sendamatic
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"time"
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)
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const (
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defaultBaseURL = "https://send.api.sendamatic.net"
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defaultTimeout = 30 * time.Second
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)
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type Client struct {
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apiKey string
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baseURL string
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httpClient *http.Client
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}
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func NewClient(userID, password string, opts ...Option) *Client {
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c := &Client{
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apiKey: fmt.Sprintf("%s-%s", userID, password),
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baseURL: defaultBaseURL,
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httpClient: &http.Client{
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Timeout: defaultTimeout,
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},
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}
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// Optionen anwenden
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for _, opt := range opts {
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opt(c)
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}
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return c
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}
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// Send versendet eine E-Mail über die Sendamatic API
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func (c *Client) Send(ctx context.Context, msg *Message) (*SendResponse, error) {
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if err := msg.Validate(); err != nil {
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return nil, fmt.Errorf("message validation failed: %w", err)
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}
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payload, err := json.Marshal(msg)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal message: %w", err)
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}
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.baseURL+"/send", bytes.NewReader(payload))
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("x-api-key", c.apiKey)
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("request failed: %w", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("failed to read response: %w", err)
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}
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// Fehlerbehandlung für 4xx und 5xx
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if resp.StatusCode >= 400 {
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return nil, parseErrorResponse(resp.StatusCode, body)
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}
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var sendResp SendResponse
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if err := json.Unmarshal(body, &sendResp.Recipients); err != nil {
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return nil, fmt.Errorf("failed to unmarshal response: %w", err)
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}
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sendResp.StatusCode = resp.StatusCode
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return &sendResp, nil
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}
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