public static DataSet deserial_process(MongoCursor cursor)
{
try
{
#region Parse MongoCursor to Json
var jsonWriterSettings = new JsonWriterSettings {
OutputMode = JsonOutputMode.Strict
};
string JSON_String = cursor.ToJson(jsonWriterSettings);
var objects = JArray.Parse(JSON_String);
dynamic obj = JsonConvert.DeserializeObject(JSON_String);
DataSet Dset = new DataSet();
#endregion
#region Create DataSet tables and their columns
Dset.Tables.Add("Developers");
Dset.Tables["Developers"].Columns.Add("ID");
Dset.Tables["Developers"].Columns.Add("FirstName");
Dset.Tables["Developers"].Columns.Add("aka");
Dset.Tables["Developers"].Columns.Add("Title");
Dset.Tables["Developers"].Columns.Add("LastName");
Dset.Tables["Developers"].Columns.Add("BirthDateTime");
Dset.Tables["Developers"].Columns["BirthDateTime"].DataType = typeof(DateTime);
Dset.Tables["Developers"].Columns.Add("DeathDateTime");
Dset.Tables["Developers"].Columns["DeathDateTime"].DataType = typeof(DateTime);
Dset.Tables.Add("Contribs");
Dset.Tables["Contribs"].Columns.Add("ID");
Dset.Tables["Contribs"].Columns.Add("FirstName");
Dset.Tables["Contribs"].Columns.Add("LastName");
Dset.Tables["Contribs"].Columns.Add("BirthDateTime");
Dset.Tables["Contribs"].Columns["BirthDateTime"].DataType = typeof(DateTime);
Dset.Tables["Contribs"].Columns.Add("ContribName");
Dset.Tables.Add("Awards");
Dset.Tables["Awards"].Columns.Add("ID");
Dset.Tables["Awards"].Columns.Add("FirstName");
Dset.Tables["Awards"].Columns.Add("LastName");
Dset.Tables["Awards"].Columns.Add("BirthDateTime");
Dset.Tables["Awards"].Columns["BirthDateTime"].DataType = typeof(DateTime);
Dset.Tables["Awards"].Columns.Add("AwardName");
Dset.Tables["Awards"].Columns.Add("Year");
Dset.Tables["Awards"].Columns["Year"].DataType = typeof(Int32);
Dset.Tables["Awards"].Columns.Add("GivenBy");
#endregion
#region Deserializing data, reading and deploying DataSet
foreach (var item in obj)
{
#region creating rows
DataRow newDeveloperRow = Dset.Tables["Developers"].NewRow();
#endregion
#region handling ObjectID, IsoDate and the common columns (id, FirstName, LastName, BirthDate)
if (item._id.ToString().StartsWith("{"))
{
string id_str = item._id.ToString();
id_str = id_str.Remove(0, 14);
id_str = id_str.Remove(id_str.Length - 4);
newDeveloperRow["ID"] = id_str;
}
else
{
newDeveloperRow["ID"] = item._id.ToString();
}
DateTime epoch_birth = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Local);
string str_birth = Regex.Replace(item.birth.ToString(), "[^-0-9]", "");
if (str_birth != "")
{
epoch_birth = epoch_birth.AddMilliseconds(Int64.Parse(str_birth));
newDeveloperRow["BirthDateTime"] = epoch_birth;
}
else
{
newDeveloperRow["BirthDateTime"] = DBNull.Value;
}
newDeveloperRow["FirstName"] = item.name.first.ToString();
if (item.name.aka != null)
{
if (!item.name.aka.ToString().StartsWith("{"))
{
newDeveloperRow["aka"] = item.name.aka.ToString();
}
else
{
newDeveloperRow["aka"] = DBNull.Value;
}
}
newDeveloperRow["LastName"] = item.name.last.ToString();
if (!item.title.ToString().StartsWith("{"))
{
newDeveloperRow["Title"] = item.title.ToString();
}
else
{
newDeveloperRow["Title"] = DBNull.Value;
}
#endregion
#region put add'l data inside "Developers" table
var epoch_death = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Local);
string str_death = Regex.Replace(item.death.ToString(), "[^-0-9]", "");
if (str_death != "")
{
epoch_death = epoch_death.AddMilliseconds(Int64.Parse(str_death));
newDeveloperRow["DeathDateTime"] = epoch_death;
}
else
{
newDeveloperRow["DeathDateTime"] = DBNull.Value;
}
Dset.Tables["Developers"].Rows.Add(newDeveloperRow);
#endregion
#region put data inside "Contribs" table
for (int i = 0; i < item.contribs.Count; i++)
{
DataRow newContribRow = Dset.Tables["Contribs"].NewRow();
newContribRow["ID"] = newDeveloperRow["ID"];
newContribRow["FirstName"] = item.name.first.ToString();
newContribRow["LastName"] = item.name.last.ToString();
newContribRow["BirthDateTime"] = newDeveloperRow["BirthDateTime"];
newContribRow["ContribName"] = item.contribs[i].ToString();
Dset.Tables["Contribs"].Rows.Add(newContribRow);
}
#endregion
#region put data inside "Awards" table
for (int i = 0; i < item.awards.Count; i++)
{
DataRow newAwardRow = Dset.Tables["Awards"].NewRow();
newAwardRow["ID"] = newDeveloperRow["ID"];
newAwardRow["FirstName"] = item.name.first.ToString();
newAwardRow["LastName"] = item.name.last.ToString();
newAwardRow["BirthDateTime"] = newDeveloperRow["BirthDateTime"];
JObject aItem = (JObject)item.awards[i];
newAwardRow["AwardName"] = aItem["award"].ToString();
newAwardRow["Year"] = Convert.ToInt32(aItem["year"].ToString());
newAwardRow["GivenBy"] = aItem["by"].ToString();
Dset.Tables["Awards"].Rows.Add(newAwardRow);
}
#endregion
}
#endregion
return(Dset);
}
catch (Exception ee)
{
string error = "Something went wrong " + ee.Message;
return(null);
}
}
public string ReturnA <Z>(MongoCursor <Z> mongoCursor)
{
return(mongoCursor.ToJson());
}