public async Task <Transcript> GetTranscriptAsync()
{
if (Url == null)
{
throw new Exception("URL is null.");
}
else
{
if (Url == "")
{
throw new Exception("URL is blank.");
}
}
Transcript t = await Transcript.CreateFromUrlAsync(Url);
return(t);
}
public static async Task <Transcript> CreateFromUrlAsync(string url)
{
HttpClient hc = new HttpClient();
HttpResponseMessage hrm = await hc.GetAsync(url);
string web = await hrm.Content.ReadAsStringAsync();
Transcript ToReturn = new Transcript();
int loc1 = 0;
int loc2 = 0;
List <string> Splitter = new List <string>();
int t = 0;
//Get heading
loc1 = web.IndexOf("adv-heading");
loc1 = web.IndexOf("<h1", loc1 + 1);
loc1 = web.IndexOf(">", loc1 + 1);
loc2 = web.IndexOf("<", loc1 + 1);
ToReturn.Title = web.Substring(loc1 + 1, loc2 - loc1 - 1);
//Get description
loc1 = web.IndexOf("adv-heading");
loc1 = web.IndexOf("<h2", loc1 + 1);
loc1 = web.IndexOf(">", loc1 + 1);
loc2 = web.IndexOf("<", loc1 + 1);
ToReturn.Description = web.Substring(loc1 + 1, loc2 - loc1 - 1);
//Get Posted Date/Time
loc1 = web.IndexOf("<span id=\"date\">");
loc1 = web.IndexOf(">", loc1 + 1);
loc2 = web.IndexOf("<", loc1 + 1);
if (loc2 > loc1)
{
string cdtstr = web.Substring(loc1 + 1, loc2 - loc1 - 1);
if (cdtstr != "")
{
try
{
ToReturn.CallDateTimeStamp = DateTime.Parse(web.Substring(loc1 + 1, loc2 - loc1 - 1));
}
catch
{
}
}
else
{
//if we were unable to get the date time from above, try another way.
//For example, for this one: https://www.fool.com/earnings/call-transcripts/2020/03/05/bruker-brkr-q4-2019-earnings-call-transcript.aspx
loc1 = web.IndexOf("<span id=\"date\">");
loc1 = web.IndexOf(">", loc1 + 1);
loc2 = web.IndexOf("<", loc1 + 1); //close span
loc1 = web.IndexOf(">", loc2 + 1); //end of the close span tag
loc2 = web.IndexOf("<", loc1 + 1);
if (loc2 > loc1)
{
string tts = web.Substring(loc1 + 1, loc2 - loc1 - 1);
try
{
ToReturn.CallDateTimeStamp = DateTime.Parse(tts);
}
catch
{
}
}
}
}
#region "Get call participants"
List <CallParticipant> Participants_ = new List <CallParticipant>();
//Get the call participant area
loc1 = web.IndexOf(">Call participants:</");
loc2 = web.IndexOf("<div id=", loc1 + 1);
string callparticipantdata = web.Substring(loc1 + 1, loc2 - loc1 - 1);
//Split it into lines, enumerate through and parse.
Splitter.Clear();
Splitter.Add("<p>");
string[] parts = callparticipantdata.Split(Splitter.ToArray(), StringSplitOptions.None);
for (t = 1; t < parts.Length; t++)
{
string thisparticipantdata = parts[t];
loc1 = thisparticipantdata.IndexOf("</p");
if (loc1 != -1)
{
string dataonly = thisparticipantdata.Substring(0, loc1);
if (dataonly.Contains("<strong>"))
{
CallParticipant this_participant = new CallParticipant();
//Get name
loc1 = thisparticipantdata.IndexOf(">");
loc2 = thisparticipantdata.IndexOf("<", loc1 + 1);
this_participant.Name = thisparticipantdata.Substring(loc1 + 1, loc2 - loc1 - 1).Trim();
//Get title
loc1 = thisparticipantdata.IndexOf("<em>");
if (loc1 != -1)
{
loc1 = thisparticipantdata.IndexOf(">", loc1 + 1);
loc2 = thisparticipantdata.IndexOf("</em>", loc1 + 1);
this_participant.Title = thisparticipantdata.Substring(loc1 + 1, loc2 - loc1 - 1);
this_participant.Title = this_participant.Title.Replace("&", "&");
}
Participants_.Add(this_participant);
}
}
}
//Add the operator as a participant
CallParticipant cp = new CallParticipant();
cp.Name = "Operator";
cp.Title = "Operator";
Participants_.Add(cp);
ToReturn.Participants = Participants_.ToArray();
#endregion
#region "Get Remarks"
//Get remark content (paragraph content) and then split it up by line.
loc1 = web.IndexOf("<h2>Contents:</h2>");
loc2 = web.IndexOf(">Call participants:</", loc1 + 1);
string remarkdata = web.Substring(loc1, loc2 - loc1);
Splitter.Clear();
Splitter.Add("<p>");
string[] remark_parts = remarkdata.Split(Splitter.ToArray(), StringSplitOptions.None);
//Enumerate through all of the pieces and turn it into a remark
List <Remark> AllRemarks = new List <Remark>();
Remark BufferRemark = new Remark();
bool BufferReady = false;
t = 0;
for (t = 1; t < remark_parts.Length; t++)
{
string this_line = remark_parts[t];
if (this_line.Contains("<strong>"))
{
//If there is one in the buffer, add it to the list. But only add it to the list if there is content in it!
if (BufferReady)
{
if (BufferRemark.SpokenRemarks != null) //It has to have spoken remarks
{
if (BufferRemark.SpokenRemarks.Length > 0) //The number of spoken remarks must be > 0
{
if (BufferRemark.Speaker != null) //The speaker data must be there
{
AllRemarks.Add(BufferRemark);
}
}
}
}
BufferRemark = new Remark();
//Get their name
loc1 = this_line.IndexOf("<strong>");
loc1 = this_line.IndexOf(">", loc1 + 1);
loc2 = this_line.IndexOf("<", loc1 + 1);
string speaker_name = this_line.Substring(loc1 + 1, loc2 - loc1 - 1);
//Find the call participant the corresponds to this name
foreach (CallParticipant call_part in ToReturn.Participants)
{
if (call_part.Name.ToLower().Trim() == speaker_name.ToLower().Trim())
{
BufferRemark.Speaker = call_part;
}
}
BufferReady = true;
}
else //This is a paragraph that the speaker said
{
//Get the paragraph
loc1 = this_line.IndexOf("</p>");
if (loc1 > 0)
{
string thisparagraph = this_line.Substring(0, loc1);
//Clean it
thisparagraph = thisparagraph.Replace("&", "&");
thisparagraph = thisparagraph.Trim();
//Create the list of remarks so far that we will append to if this is worthy
List <string> strs;
if (BufferRemark.SpokenRemarks != null)
{
strs = BufferRemark.SpokenRemarks.ToList();
}
else
{
strs = new List <string>();
}
//Add it if it meets criteria (i.e. not blank)
if (thisparagraph != "")
{
strs.Add(thisparagraph);
}
//Add all of the spoken remarks (stirng) to the remark class
BufferRemark.SpokenRemarks = strs.ToArray();
}
}
ToReturn.Remarks = AllRemarks.ToArray();
}
#endregion
#region "Try and extract the ticker symbol"
//Main method that works with most earnings call transcripts
loc1 = web.IndexOf("<span class=\"ticker\"");
if (loc1 != -1)
{
loc1 = web.IndexOf("a href", loc1 + 1);
if (loc1 != -1)
{
loc1 = web.IndexOf(">", loc1 + 1);
loc2 = web.IndexOf("<", loc1 + 1);
if (loc2 > loc1)
{
string symbolpart = web.Substring(loc1 + 1, loc2 - loc1 - 1); //for example, NASDAQ:HQY
loc1 = symbolpart.IndexOf(":");
if (loc1 != -1)
{
string symbol = symbolpart.Substring(loc1 + 1);
ToReturn.TradingSymbol = symbol;
}
}
}
}
//If it didnt find it above, try and find it the alternative way
//For example: https://www.fool.com/earnings/call-transcripts/2021/03/03/profound-medical-corp-q4-2020-earnings-call-transc/
if (ToReturn.TradingSymbol == null)
{
loc1 = web.IndexOf("WuDkNe");
if (loc1 != -1)
{
loc1 = web.IndexOf(">", loc1 + 1);
loc2 = web.IndexOf("<", loc1 + 1);
if (loc2 > loc1)
{
string symbol = web.Substring(loc1 + 1, loc2 - loc1 - 1);
ToReturn.TradingSymbol = symbol;
}
}
}
//Finally, if the above two did not work, try to extract it from the title
//Extract the trading symbol and company name from the title
if (ToReturn.TradingSymbol == null)
{
loc2 = ToReturn.Title.LastIndexOf(")");
loc1 = ToReturn.Title.LastIndexOf("(", loc2);
if (loc2 > loc1)
{
ToReturn.TradingSymbol = web.Substring(loc1 + 1, loc2 - loc1 - 1).Trim().ToUpper();
}
}
#endregion
return(ToReturn);
}
