private IEnumerable<ResponseMessage> FlickrHandler(IncomingMessage message, string matchedHandle)
{
string searchTerm = message.TargetedText.Substring(matchedHandle.Length).Trim();
if (string.IsNullOrEmpty(searchTerm))
{
yield return message.ReplyToChannel($"Please give me something to search, e.g. {matchedHandle} trains");
}
else
{
yield return message.IndicateTypingOnChannel();
string apiKey = _configReader.GetConfigEntry<string>("flickr:apiKey");
if (string.IsNullOrEmpty(apiKey))
{
_statsPlugin.IncrementState("Flickr:Failed");
yield return message.ReplyToChannel("Woops, looks like a Flickr API Key has not been entered. Please ask the admin to fix this");
}
else
{
var flickr = new Flickr(apiKey);
var options = new PhotoSearchOptions { Tags = searchTerm, PerPage = 50, Page = 1};
PhotoCollection photos = flickr.PhotosSearch(options);
if (photos.Any())
{
_statsPlugin.IncrementState("Flickr:Sent");
int i = new Random().Next(0, photos.Count);
Photo photo = photos[i];
var attachment = new Attachment
{
AuthorName = photo.OwnerName,
Fallback = photo.Description,
ImageUrl = photo.LargeUrl,
ThumbUrl = photo.ThumbnailUrl
};
yield return message.ReplyToChannel($"Here is your picture about '{searchTerm}'", attachment);
}
else
{
_statsPlugin.IncrementState("Flickr:Failed");
yield return message.ReplyToChannel($"Sorry @{message.Username}, I couldn't find anything about {searchTerm}");
}
}
}
}
private IList<SlackAttachmentField> GetAttachmentFields(Attachment attachment)
{
var attachmentFields = new List<SlackAttachmentField>();
if (attachment != null && attachment.AttachmentFields != null)
{
foreach (var attachmentField in attachment.AttachmentFields)
{
attachmentFields.Add(new SlackAttachmentField
{
Title = attachmentField.Title,
Value = attachmentField.Value,
IsShort = attachmentField.IsShort
});
}
}
return attachmentFields;
}
private IList<SlackAttachment> GetAttachments(Attachment attachment)
{
var attachments = new List<SlackAttachment>();
if (attachment != null)
{
attachments.Add(new SlackAttachment
{
Text = attachment.Text,
Title = attachment.Title,
Fallback = attachment.Fallback,
ImageUrl = attachment.ImageUrl,
ThumbUrl = attachment.ThumbUrl,
AuthorName = attachment.AuthorName,
ColorHex = attachment.Color,
Fields = GetAttachmentFields(attachment)
});
}
return attachments;
}
/// <summary>
/// Will generate a message to be sent the current channel the message arrived from
/// </summary>
public ResponseMessage ReplyToChannel(string text, Attachment attachment = null)
{
return ResponseMessage.ChannelMessage(Channel, text, attachment);
}