80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
package notification
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/Selly-Modules/natsio"
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)
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const (
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SendByTopic = "topic"
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SendByUsers = "users"
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)
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const (
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SubjectPushNotification = "push_notification"
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SubjectGetNotification = "get_notification"
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SubjectReadNotification = "read_notification"
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SubjectCountUnreadNotification = "count_unread_notification"
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)
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// Client ...
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type Client struct {
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Config Config
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natsServer natsio.Server
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natsJetStream natsio.JetStream
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}
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// NewClient ...
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func NewClient(cfg Config) (*Client, error) {
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if cfg.APIKey == "" {
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return nil, errors.New("api key is required")
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}
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if cfg.Nats.URL == "" {
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return nil, errors.New("nats url is required")
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}
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if err := natsio.Connect(cfg.Nats); err != nil {
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return nil, fmt.Errorf("nats connect failed: %v", err)
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}
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c := &Client{
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Config: cfg,
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natsServer: natsio.GetServer(),
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natsJetStream: natsio.GetJetStream(),
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}
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return c, nil
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}
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// PushToUsers ...
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func (c *Client) PushToUsers(payload PushRequest) (requestID string, err error) {
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p := pushRequest{
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APIKey: c.Config.APIKey,
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Title: payload.Title,
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Body: payload.Body,
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Data: payload.Data,
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SendBy: SendByUsers,
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Users: payload.Users,
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Label: payload.Label,
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}
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msg, err := c.natsServer.Request(SubjectPushNotification, toBytes(p))
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if err != nil {
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return "", err
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}
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var res PushResponse
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if err := json.Unmarshal(msg.Data, &res); err != nil {
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return "", err
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}
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if res.Error != "" {
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return "", errors.New(res.Error)
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}
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return res.RequestID, nil
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}
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func toBytes(data interface{}) []byte {
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b, _ := json.Marshal(data)
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return b
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}
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