/
media_download.go
69 lines (59 loc) · 1.74 KB
/
media_download.go
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package handler
import (
"context"
"fmt"
"strings"
"github.com/macedo/whatsappbot/internal/storage"
"github.com/macedo/whatsappbot/pkg/slice"
"go.mau.fi/whatsmeow"
"go.mau.fi/whatsmeow/types/events"
waLog "go.mau.fi/whatsmeow/util/log"
)
type MediaDownloadHandler struct {
cli *whatsmeow.Client
jids []string
log waLog.Logger
storage storage.Backend
}
type MediaDownloadAttributes struct {
Enabled bool `mapstructure:"enabled"`
JIDs []string `mapstructure:"jids"`
Storage struct {
Service map[string]any `mapstructure:"service"`
} `mapstructure:"storage"`
}
func NewMediaDownloadHandler(cli *whatsmeow.Client, attrs MediaDownloadAttributes) *MediaDownloadHandler {
return &MediaDownloadHandler{
cli: cli,
jids: attrs.JIDs,
log: waLog.Stdout("media_download", "INFO", true),
storage: storage.New(attrs.Storage.Service),
}
}
func (h *MediaDownloadHandler) EventHandler() func(any) {
return func(rawEvt any) {
switch evt := rawEvt.(type) {
case *events.Message:
sender := evt.Info.Sender
if slice.Contains[string](h.jids, sender.String()) {
document := evt.Message.GetDocumentMessage()
if document != nil {
filename := strings.ReplaceAll(*document.FileName, " ", "_")
data, err := h.cli.Download(document)
if err != nil {
h.log.Errorf("Failed to download document %q. \n"+
"Here's what happened: %v", *document.FileName, err)
return
}
path := fmt.Sprintf("%s/%s", sender.String(), filename)
if err := h.storage.Save(context.Background(), path, data); err != nil {
h.log.Errorf("Failed to save document %q.\n"+
"Here's what happened: %v", *document.FileName, err)
return
}
h.log.Infof("uploaded %q", path)
}
}
}
}
}