/*
* Call this to populate FieldMetadata collection. DatabaseTable must be set first.
*
* Returns a List<string> containing any errors encounted.
*
* If no errors then List.Count == 0.
*
* Field Metadata is only added for fields passed in the formFields Dictionary.
*
*
*/
public List <string> RefreshFieldMetadata(Dictionary <string, DataFieldControl> formFields)
{
List <string> errors = new List <string>();
try
{
_fieldMetadataCollection = new Dictionary <string, IFieldMetadata>();
//Updated June 2018, now need to set user context
SQL_utils sqlx = new SQL_utils("data");
string user = sqlx.GetUserNameFromIdentity();
string sqlcode = String.Format("EXEC sec.spSetUserContext 'jeffmun'; exec spDEF_GetFieldMetadata '{0}'", DatabaseTable);
//string sqlcode = String.Format("exec spDEF_GetFieldMetadata '{0}'", DatabaseTable);
DataTable dt_flds = sqlx.DataTable_from_SQLstring(sqlcode);
//Here to fix Feb2021!!
sqlx.Close();
foreach (DataRow row in dt_flds.Rows)
{
if (formFields.ContainsKey(row["databasefield"].ToString().ToUpper()))
{
IFieldMetadata fm = null;
try
{
fm = new FieldMetadata(row["databasefield"].ToString(),
row["fielddatatype"].ToString(),
row["fieldlabel"].ToString(),
row["valuerequired"].ToString(),
row["maxval"].ToString(),
row["minval"].ToString(),
row["regex"].ToString(),
row["regexdescription"].ToString(),
row["validlist"].ToString(),
row["missval"].ToString());
//add to collection. Convert key value to all upper case
//because dictionary is case sensitive.
//
//fm will be null if an error was thrown by FieldMetadata contructor.
string fldname = row["databasefield"].ToString().ToUpper();
if (fm != null)
{
_fieldMetadataCollection.Add(fldname, fm);
}
//set DataFieldControls's reference to field metadata
formFields[row["DatabaseField"].ToString().ToUpper()].FieldMetadata = fm;
}
catch (Exception e)
{
//An error occured while creating FieldMetadata object
errors.Add(e.Message);
}
}
}
//using (SqlConnection conn = new SqlConnection(ConfigurationManager.AppSettings["sqlDataConnection.ConnectionString"]))
//{
// _fieldMetadataCollection = new Dictionary<string, IFieldMetadata>();
// SqlCommand cmd = new SqlCommand();
// cmd.Connection = conn;
// //cmd.CommandText = "spDEF_GetFieldMetadata";
// //cmd.CommandType = CommandType.StoredProcedure;
// //cmd.Parameters.AddWithValue("@DatabaseTable", DatabaseTable);
// //cmd.CommandText = sqlcode;
// //cmd.CommandType = CommandType.Text;
// //conn.Open();
// //SqlDataReader r = cmd.ExecuteReader();
// ////Create and add field metadata to collection if field in metadata is used in form.
// ////Also set DataFieldControl's reference to its corresponding FieldMetadata object.
// ////
// //while (r.Read())
// //{
// // if (formFields.ContainsKey(r["DatabaseField"].ToString().ToUpper()))
// // {
// // IFieldMetadata fm = null;
// // try
// // {
// // fm = new FieldMetadata(r["DatabaseField"].ToString(),
// // r["FieldDataType"].ToString(),
// // r["FieldLabel"].ToString(),
// // r["ValueRequired"].ToString(),
// // r["MaxVal"].ToString(),
// // r["MinVal"].ToString(),
// // r["RegEx"].ToString(),
// // r["RegExDescription"].ToString(),
// // r["ValidList"].ToString(),
// // r["MissVal"].ToString());
// // }
// // catch (Exception e)
// // {
// // //An error occured while creating FieldMetadata object
// // errors.Add(e.Message);
// // }
// // //add to collection. Convert key value to all upper case
// // //because dictionary is case sensitive.
// // //
// // //fm will be null if an error was thrown by FieldMetadata contructor.
// // _fieldMetadataCollection.Add(r["databasefield"].ToString().ToUpper(), fm);
// // //set DataFieldControls's reference to field metadata
// // formFields[r["DatabaseField"].ToString().ToUpper()].FieldMetadata = fm;
// // }
// //}
// //r.Close();
// ////_fieldMetadataCollection now should contain a FieldMetadata object for each
// ////field that exists in both the form and in the database metadata.
// ////A field's FieldMetadata object might be null if database metadata was invalid.
// ////
// ////Add notifications for fields that exist in form but not in metadata or those
// ////whose FieldMetadata object couldn't be created.
// ////
// ////if (_dataEntryController.CheckForMissingFieldMetadata)
// ////{
// //// foreach (string databaseField in formFields.Keys)
// //// {
// //// if (_fieldMetadataCollection.ContainsKey(databaseField) == false || _fieldMetadataCollection[databaseField] == null)
// //// {
// //// errors.Add(databaseField + " form field metadata is missing or invalid.");
// //// }
// //// }
// ////}
//}
}
catch (Exception e)
{
//some unanticipated error occured
_fieldMetadataCollection = null;
errors.Add(e.Message);
}
return(errors);
}
