public DataFeedResult GetDataFeedResult(string alias, string key, IDictionary <object, object> parameters = null)
{
var feed = Session.Query <DataFeed>().FirstOrDefault(x => x.FeedAlias == alias);
DataFeedResult result = null;
if (feed != null)
{
result = new DataFeedResult
{
ID = feed.FeedID,
GUID = feed.FeedGUID,
Alias = feed.FeedAlias,
Name = feed.FeedName,
Description = feed.FeedDescription,
Private = feed.Private,
Active = feed.Active,
Deleted = feed.Deleted,
Data = null
};
if (result.Deleted)
{
return(result);
}
if (parameters == null)
{
parameters = new Dictionary <object, object>();
}
feed.ApplyDefaultParameters(parameters);
DataSet ds = ExecuteQuery(feed, ScriptParameters.Create(parameters));
result.Name = ds.DataSetName;
result.Data = new DataFeedResultSet();
IList <DataTable> tables = GetTables(ds, key);
foreach (DataTable dt in tables)
{
var items = new DataFeedResultItemCollection();
foreach (DataRow dr in dt.Rows)
{
var item = new DataFeedResultItem();
foreach (DataColumn dc in dt.Columns)
{
item[dc.ColumnName] = dr[dc.ColumnName].ToString();
}
items.Add(item);
}
result.Data[dt.TableName] = items;
}
}
return(result);
}
private ScriptParameters GetParameters(DataFeed feed)
{
var dict = new Dictionary <object, object>();
Merge(dict, Request.QueryString);
Merge(dict, Request.Form);
feed.ApplyDefaultParameters(dict);
var result = ScriptParameters.Create(dict);
return(result);
}
public DataSet ExecuteQuery(DataFeed feed, HttpRequestBase request)
{
var parameters = new Dictionary <object, object>();
foreach (var key in request.QueryString.AllKeys)
{
parameters.Add(key, request.QueryString[key]);
}
var util = new DataFeedUtility(Provider);
feed.ApplyDefaultParameters(parameters);
return(util.ExecuteQuery(feed, ScriptParameters.Create(parameters)));
}
public ActionResult Ajax(FeedModel model)
{
model.Provider = Provider;
if (model.Command == "run-script")
{
string query = string.Empty;
string error = string.Empty;
string buffer = string.Empty;
string html = string.Empty;
Hashtable data = new Hashtable();
if (model.FeedType == DataFeedType.Python)
{
query = model.Query;
}
else
{
query = string.Format("data(sqlquery(\"{0}\"))", model.Query.Replace("\n", " ").Replace("\"", @"\""").Trim());
}
var dict = new Dictionary <object, object>();
DataFeedItem.ApplyDefaultParameters(model.DefaultParameters, dict);
var parameters = ScriptParameters.Create(dict);
var result = _engine.Run(query, parameters);
if (result.Exception != null)
{
error = result.Exception.Message;
}
buffer = result.Buffer.ToString();
html = result.Html.ToString();
if (result.DataSet.Count > 0)
{
foreach (KeyValuePair <string, ScriptData> kvp in result.DataSet)
{
data.Add(kvp.Key, new { Headers = kvp.Value.GetHeaders().Select(x => x.DisplayText).ToArray(), Items = kvp.Value.GetItems() });
}
}
return(Json(new { Success = true, Message = "", Error = error, Buffer = buffer, Html = html, Data = data, Parameters = parameters.ToString() }));
}
else
{
return(Json(new { Success = false, Message = "Invalid command" }));
}
}
