public string CsvFeedContent(DataFeedResult feed, string key)
{
if (string.IsNullOrEmpty(key))
{
key = "default";
}
var dt = feed.Data[key];
StringBuilder sb = new StringBuilder();
string comma = string.Empty;
foreach (string k in dt.Keys())
{
sb.AppendFormat("{0}\"{1}\"", comma, k.Replace("\"", "\"\""));
comma = ",";
}
sb.Append(Environment.NewLine);
foreach (var dr in dt)
{
comma = string.Empty;
foreach (string k in dr.Keys())
{
sb.AppendFormat("{0}\"{1}\"", comma, dr[k].Replace("\"", "\"\""));
comma = ",";
}
sb.Append(Environment.NewLine);
}
return(sb.ToString());
}
public string IcalFeedContent(DataFeedResult feed, string key, string localAddr)
{
if (string.IsNullOrEmpty(key))
{
key = "default";
}
var dt = feed.Data[key];
StringBuilder sb = new StringBuilder();
string serverIP = localAddr;
DateTime buildTime = DateTime.UtcNow;
sb.AppendLine("BEGIN:VCALENDAR");
sb.AppendLine("METHOD:PUBLISH");
sb.AppendLine($"PRODID:-//{serverIP}//NONSGML {GlobalSettings.Current.CompanyName}-ICAL 1.0//");
sb.AppendLine("VERSION:2.0");
sb.AppendLine("X-WR-CALNAME:" + feed.Name);
sb.AppendLine($"X-WR-CALDESC:{GlobalSettings.Current.CompanyName} Online Services Data Feed");
sb.AppendLine("X-WR-TIMEZONE:US-Eastern");
int i = 0;
foreach (var dr in dt)
{
/*
* BEGIN:VEVENT
* UID:[email protected]
* DTSTAMP:20120320T155310Z
* DESCRIPTION:http://www.aadl.org/catalog/record/1163159
* DTSTART;VALUE=DATE:20120329
* SUMMARY:DUE: Proof positive
* END:VEVENT
*/
sb.AppendLine("BEGIN:VEVENT");
sb.AppendLine("UID:" + feed.Alias + "@" + serverIP);
sb.AppendLine("DTSTAMP:" + buildTime.ToString("yyyyMMdd'T'HHmmss'Z'"));
if (dt.Keys().Contains("DESCRIPTION"))
{
sb.AppendLine("DESCRIPTION:" + dr["DESCRIPTION"].ToString());
}
if (dt.Keys().Contains("DTSTART"))
{
sb.AppendLine("DTSTART:" + Convert.ToDateTime(dr["DTSTART"]).ToUniversalTime().ToString("yyyyMMdd'T'HHmmss'Z'"));
}
if (dt.Keys().Contains("DTSTART"))
{
sb.AppendLine("DTEND:" + Convert.ToDateTime(dr["DTSTART"]).ToUniversalTime().ToString("yyyyMMdd'T'HHmmss'Z'"));
}
if (dt.Keys().Contains("SUMMARY"))
{
sb.AppendLine("SUMMARY:" + dr["SUMMARY"].ToString());
}
sb.AppendLine("END:VEVENT");
i++;
}
sb.Append("END:VCALENDAR");
return(sb.ToString());
}
public static string FeedItemURL(DataFeedResult feed, string format, Uri requestUri, string absolutePath)
{
string result = requestUri.GetLeftPart(UriPartial.Authority) + absolutePath + "/feed/";
result += feed.Alias + "/";
result += (string.IsNullOrEmpty(format) ? "xml" : format);
return(result);
}
public string HtmlFeedContent(DataFeedResult feed, string format = null)
{
bool fullPage = format != "table";
//DataSet ds = ExecuteQuery(feed, parameters);
//IList<DataTable> tables = GetTables(ds, key);
StringBuilder sb = new StringBuilder();
if (fullPage)
{
sb.AppendLine("<!DOCTYPE html>");
sb.AppendLine("<html>");
sb.AppendLine("<head>");
sb.AppendLine($"<title>{GlobalSettings.Current.CompanyName} Feed</title>");
sb.AppendLine("<style>");
sb.AppendLine(".lnf-feed-container {margin: 10px;}");
sb.AppendLine(".grid.lnf-feed {margin-bottom: 10px;}");
sb.AppendLine("</style>");
sb.AppendLine("</head>");
sb.AppendLine("<body>");
}
sb.AppendLine("<div class=\"lnf-feed-container app\">");
foreach (var dt in feed.Data)
{
sb.AppendLine("<table class=\"lnf-feed grid table\">");
sb.AppendLine("<thead>");
sb.AppendLine("<tr>");
foreach (string k in dt.Value.Keys())
{
sb.AppendLine($"<th>{k}</th>");
}
sb.AppendLine("</tr>");
sb.AppendLine("</thead>");
sb.AppendLine("<tbody>");
foreach (var dr in dt.Value)
{
sb.AppendLine("<tr>");
foreach (string k in dr.Keys())
{
sb.AppendLine($"<td>{dr[k]}</td>");
}
sb.AppendLine("</tr>");
}
sb.AppendLine("</tbody>");
sb.AppendLine("</table>");
}
sb.AppendLine("</div>");
if (fullPage)
{
sb.AppendLine("</body>");
sb.AppendLine("</html>");
}
return(sb.ToString());
}
public string JsonFeedContent(DataFeedResult feed, string key, string format = null)
{
object obj;
Hashtable data = new Hashtable();
foreach (var dt in feed.Data)
{
ArrayList table = new ArrayList();
foreach (var dr in dt.Value)
{
Hashtable hash = new Hashtable();
foreach (string k in dr.Keys())
{
hash.Add(k, dr[k]);
}
table.Add(hash);
}
data.Add(dt.Key, table);
}
if (format == "datatables")
{
if (string.IsNullOrEmpty(key))
{
obj = new { aaData = data["default"] }
}
;
else
{
obj = new { aaData = data[key] }
};
}
else
{
obj = new
{
feed.ID,
feed.GUID,
feed.Name,
feed.Private,
feed.Active,
Data = data
};
}
string result = ServiceProvider.Current.Utility.Serialization.Json.Serialize(obj);
return(result);
}
public string XmlFeedContent(DataFeedResult feed)
{
XmlDocument xdoc = new XmlDocument();
xdoc.LoadXml("<?xml version=\"1.0\"?><data></data>");
XmlNode data = xdoc.SelectSingleNode("/data");
XmlAttribute attr;
attr = xdoc.CreateAttribute("name");
attr.Value = feed.Name;
data.Attributes.Append(attr);
if (feed.Data.Count > 0)
{
foreach (var kvp in feed.Data)
{
XmlNode table = xdoc.CreateElement("table");
attr = xdoc.CreateAttribute("name");
attr.Value = kvp.Key;
table.Attributes.Append(attr);
foreach (var item in kvp.Value)
{
XmlNode row = xdoc.CreateElement("row");
foreach (var k in item.Keys())
{
XmlNode child = xdoc.CreateElement(k.Replace("/", "_"));
child.InnerText = item[k].ToString();
row.AppendChild(child);
}
table.AppendChild(row);
}
data.AppendChild(table);
}
}
StringWriter sw = new StringWriter();
XmlTextWriter xw = new XmlTextWriter(sw);
xdoc.WriteTo(xw);
return(sw.GetStringBuilder().ToString());
}
public string RssFeedContent(DataFeedResult feed, string key, Uri requestUri, string absolutePath)
{
if (string.IsNullOrEmpty(key))
{
key = "default";
}
XmlDocument xdoc = new XmlDocument();
xdoc.LoadXml("<?xml version=\"1.0\" encoding=\"UTF-8\"?><rss version=\"2.0\"><channel></channel></rss>");
XmlNode channel = xdoc.SelectSingleNode("/rss/channel");
XmlNode child;
child = xdoc.CreateElement("title");
child.InnerText = feed.Name;
channel.AppendChild(child);
child = xdoc.CreateElement("description");
if (string.IsNullOrEmpty(feed.Description))
{
child.InnerText = $"{GlobalSettings.Current.CompanyName} On-Line Services Data Feed";
}
else
{
child.InnerText = feed.Description;
}
channel.AppendChild(child);
child = xdoc.CreateElement("link");
child.InnerText = requestUri.GetLeftPart(UriPartial.Authority);
channel.AppendChild(child);
child = xdoc.CreateElement("lastBuildDate");
child.InnerText = DateTime.UtcNow.ToString("ddd, dd MMM yyyy HH':'mm':'ss '+0000'");
channel.AppendChild(child);
child = xdoc.CreateElement("pubDate");
child.InnerText = DateTime.UtcNow.ToString("ddd, dd MMM yyyy HH':'mm':'ss '+0000'");
channel.AppendChild(child);
var dt = feed.Data[key];
int i = 0;
foreach (var dr in dt)
{
XmlNode item = xdoc.CreateElement("item");
child = xdoc.CreateElement("title");
if (dr.Keys().Contains("Title"))
{
child.InnerText = dr["Title"].ToString();
}
else
{
child.InnerText = "Missing \"Title\" field.";
}
item.AppendChild(child);
child = xdoc.CreateElement("description");
if (dr.Keys().Contains("Description"))
{
child.InnerText = dr["Description"].ToString();
}
else
{
child.InnerText = "Missing \"Description\" field.";
}
item.AppendChild(child);
child = xdoc.CreateElement("link");
if (dr.Keys().Contains("Link"))
{
child.InnerText = dr["Link"].ToString();
}
else
{
child.InnerText = "Missing \"Link\" field.";
}
item.AppendChild(child);
child = xdoc.CreateElement("guid");
child.InnerText = DataFeedUtility.FeedItemURL(feed, "rss", requestUri, absolutePath) + "&i=" + i.ToString();
item.AppendChild(child);
child = xdoc.CreateElement("pubDate");
if (dr.Keys().Contains("PubDate"))
{
child.InnerText = Convert.ToDateTime(dr["PubDate"]).ToString("ddd, dd MMM yyyy HH':'mm':'ss '+0000'");
}
else
{
child.InnerText = DateTime.UtcNow.ToString("ddd, dd MMM yyyy HH':'mm':'ss '+0000'");
}
item.AppendChild(child);
channel.AppendChild(item);
i++;
}
StringWriter sw = new StringWriter();
XmlTextWriter xw = new XmlTextWriter(sw);
xdoc.WriteTo(xw);
return(sw.GetStringBuilder().ToString());
}
