/// <summary>
/// Formats the given CsQuery DOM Elements into a list Message objects with all
/// the relevant information
/// </summary>
///
/// <param name="messages">
/// The list of all DOM elements containing the chat messages
/// </param>
///
/// <param name="isOutMessage">
/// Indicates whether these are messages sent by the user (outcoming)
/// or received by the user (sent by other users - incoming)
/// </param>
private List <ChatMessage> FormatMessages(CsQuery.CQ messages, bool isOutMessage)
{
var res = messages
.Select(x => x.Cq())
.Select(x =>
{
// get the message author. in case this are out-messages, then the author is me
var author = (isOutMessage) ? "Me" : x.Find(".message-author .text-clickable").Text().Trim();
// try fetch the content. in case we can't fetch anything - then
// lets assume that the current message contains a photo and try
// fetch its url
var content = x.Find(".selectable-text").Text().Trim();
// in case the message contains an image instead of text
// TODO: understand how to use the string to extract the image
// TODO: add support for videos as well
if (string.IsNullOrEmpty(content))
{
content = x.Find(".image-thumb > img").Attr("src");
}
// TODO: handle this properly, right now we skip any messages
// that we couldn't find any text or url for
// we skip them by returning null here and then filtering
// any null messages, see few lines below \/ \/ \/ \/ \/
if (string.IsNullOrEmpty(content))
{
return(null);
}
return(new ChatMessage
{
Author = author,
Content = content
});
})
.Where(x => x != null)
.ToList();
// resolve author names for incoming messages
if (!isOutMessage)
{
ResolveAuthors(res);
}
return(res);
}
