public async void SendMessageImage(string to, byte[] ImageData, WhatsAPI.UniversalApps.Libs.Constants.Enums.ImageType imgtype)
{
FMessage msg = await this.getFmessageImage(to, ImageData, imgtype);
if (msg != null)
{
this.SendMessage(msg);
}
}
protected async Task <FMessage> getFmessageImage(string to, byte[] ImageData, WhatsAPI.UniversalApps.Libs.Constants.Enums.ImageType imgtype)
{
string type = string.Empty;
string extension = string.Empty;
switch (imgtype)
{
case WhatsAPI.UniversalApps.Libs.Constants.Enums.ImageType.PNG:
type = "image/png";
extension = "png";
break;
case WhatsAPI.UniversalApps.Libs.Constants.Enums.ImageType.GIF:
type = "image/gif";
extension = "gif";
break;
default:
type = "image/jpeg";
extension = "jpg";
break;
}
//create hash
string filehash = string.Empty;
SHA256 sha = SHA256.Create();
byte[] raw = sha.ComputeHash(ImageData);
filehash = Convert.ToBase64String(raw);
//request upload
UploadResponse response = await this.UploadFile(filehash, "image", ImageData.Length, ImageData, to, type, extension);
if (response != null && !String.IsNullOrEmpty(response.url))
{
//send message
FMessage msg = new FMessage(to, true)
{
media_wa_type = FMessage.Type.Image,
media_mime_type = response.mimetype,
media_name = response.url.Split('/').Last(),
media_size = response.size,
media_url = response.url,
binary_data = await this.CreateThumbnail(ImageData, "thumb-" + response.url.Split('/').Last())
};
return(msg);
}
return(null);
}
public async void SendMessageBroadcastImage(string[] recipients, byte[] ImageData, WhatsAPI.UniversalApps.Libs.Constants.Enums.ImageType imgtype)
{
string to;
List <string> foo = new List <string>();
foreach (string s in recipients)
{
foo.Add(Helpers.GetJID(s));
}
to = string.Join(",", foo.ToArray());
FMessage msg = await this.getFmessageImage(to, ImageData, imgtype);
if (msg != null)
{
this.SendMessage(msg);
}
}