private CodeMemberMethod BuildFillMethod(TableViewTableTypeBase table)
{
// Accepts a DataRow and Returns a Poco of this type.
CodeMemberMethod cmmFill = new CodeMemberMethod();
cmmFill.Name = "Fill";
cmmFill.Attributes = MemberAttributes.Private;
cmmFill.ReturnType = new CodeTypeReference(table.Name);
CodeParameterDeclarationExpression cpdeDataRow = new CodeParameterDeclarationExpression();
cpdeDataRow.Name = "row";
cpdeDataRow.Type = new CodeTypeReference("System.Data.DataRow");
cpdeDataRow.Direction = FieldDirection.In;
cmmFill.Parameters.Add(cpdeDataRow);
var init_Express = new CodeSnippetExpression("new " + table.Name + "()");
var obj = new CodeVariableDeclarationStatement(new CodeTypeReference(table.Name), "obj", init_Express);
cmmFill.Statements.Add(obj);
foreach (Column c in table.Columns)
{
String DotNetTypeName = TypeConvertor.ToNetType(c.DataType.SqlDataType).ToString();
MemberGraph mGraph = new MemberGraph(c);
System.CodeDom.CodeConditionStatement ccsField = new CodeConditionStatement();
ccsField.Condition = new CodeSnippetExpression("(row[\"" + c.Name + "\"] != System.DBNull.Value)");
//if (!(mGraph.IsReadOnly))
//{
// If Field is nullable Type
if (mGraph.IsNullable)
{
if (mGraph.TypeName() == "String")
{
ccsField.TrueStatements.Add(new CodeSnippetExpression("obj." + mGraph.PropertyName() + " = row[\"" + c.Name + "\"].ToString()"));
}
else
{
ccsField.TrueStatements.Add(new CodeSnippetExpression("obj." + mGraph.PropertyName() + " = ((" + mGraph.TypeName() + ")(row[\"" + c.Name + "\"]))"));
}
}
else
{
if (mGraph.TypeName() == "String")
{
ccsField.TrueStatements.Add(new CodeSnippetExpression("obj." + mGraph.PropertyName() + " = row[\"" + c.Name + "\"].ToString()"));
}
else
{
ccsField.TrueStatements.Add(new CodeSnippetExpression("obj." + mGraph.PropertyName() + " = ((" + mGraph.TypeName() + ")(row[\"" + c.Name + "\"]))"));
}
}
cmmFill.Statements.Add(ccsField);
//}
}
cmmFill.Statements.Add(new CodeSnippetExpression("return obj"));
cmmFill.Comments.Add(new CodeCommentStatement("Returns a Hydrated POCO"));
return(cmmFill);
}
QueryParamInfo GetParamInfo(string name, string sqlTypeAndLength)
{
var qp = new QueryParamInfo();
var m = Regex.Match(sqlTypeAndLength, @"(?'type'^\w*)\(?(?'firstNum'\d*),?(?'secondNum'\d*)");
var typeOnly = m.Groups["type"].Value;
int.TryParse(m.Groups["firstNum"].Value, out int firstNum);
int.TryParse(m.Groups["secondNum"].Value, out int secondNum);
if (secondNum != 0)
{
qp.Precision = firstNum;
qp.Scale = secondNum;
}
else if (typeOnly.ToLower() == "datetime2")
{
qp.Precision = firstNum;
}
else if (firstNum > 0)
{
qp.Length = firstNum;
}
//string normalizedType;
// we have no info for the nullability of query params, so we'll make them all nullable
//var csType = System2Alias.Map( TypeMapDB2CS(typeOnly, out normalizedType), true );
try
{
// hack
if (typeOnly == "sql_variant")
{
typeOnly = "Variant";
}
var sqlDbType = (SqlDbType)Enum.Parse(typeof(SqlDbType), typeOnly, true);
var csType = TypeConvertor.ToNetType(sqlDbType);
var dbType = TypeConvertor.ToDbType(sqlDbType);
qp.CSType = System2Alias.Map(csType.FullName, true); // will look up aliases of system types, and append the question mark.
qp.FullyQualifiedCSType = csType.FullName;
qp.DbType = dbType.ToString();
qp.CSNameCamel = char.ToLower(name.First()) + name.Substring(1);
qp.CSNamePascal = char.ToUpper(name.First()) + name.Substring(1);
qp.CSNamePrivate = "_" + qp.CSNameCamel;
qp.DbName = '@' + name;
return(qp);
}
catch (Exception ex)
{
throw new TypeNotMatchedException(ex.Message);
}
}
/// <summary>
///
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
public CodeMemberMethod BuildSelectBE(TableViewTableTypeBase table)
{
CodeMemberMethod cmSelect = new CodeMemberMethod();
cmSelect.Attributes = MemberAttributes.Public;
cmSelect.ReturnType = new CodeTypeReference("System.Data.DataSet");
String cp_name = "ssp_" + table.Name;
String PocoTypeName = table.Name;
String FullPocoTypeName = PocoTypeName;
CodeParameterDeclarationExpression cpdePoco = new CodeParameterDeclarationExpression();
cpdePoco.Name = "query";
cpdePoco.Type = new CodeTypeReference(table.Name);
cpdePoco.Direction = FieldDirection.In;
cmSelect.Parameters.Add(cpdePoco);
cmSelect.Attributes = MemberAttributes.Public;
cmSelect.Name = "Select";
cmSelect.Statements.Add(new CodeSnippetExpression("this.Access.CreateProcedureCommand(\"" + cp_name + "\")"));
foreach (Column c in table.Columns)
{
MemberGraph mGraph = new MemberGraph(c);
String DotNetTypeName = TypeConvertor.ToNetType(c.DataType.SqlDataType).ToString();
System.CodeDom.CodeConditionStatement ccsField = new CodeConditionStatement();
if (mGraph.IsNullable)
{
ccsField.Condition = new CodeSnippetExpression("query." + mGraph.PropertyName() + ".HasValue");
ccsField.TrueStatements.Add(new CodeSnippetExpression("this.Access.AddParameter(\"" + mGraph.PropertyName() + "\",query." + mGraph.PropertyName() + ".Value, ParameterDirection.Input)"));
ccsField.FalseStatements.Add(new CodeSnippetExpression("this.Access.AddParameter(\"" + mGraph.PropertyName() + "\", null , ParameterDirection.Input)"));
}
else
{
ccsField.Condition = new CodeSnippetExpression("query." + mGraph.PropertyName() + " == null");
ccsField.TrueStatements.Add(new CodeSnippetExpression("this.Access.AddParameter(\"" + mGraph.PropertyName() + "\", null , ParameterDirection.Input)"));
ccsField.FalseStatements.Add(new CodeSnippetExpression("this.Access.AddParameter(\"" + mGraph.PropertyName() + "\",query." + mGraph.PropertyName() + ", ParameterDirection.Input)"));
}
cmSelect.Statements.Add(ccsField);
}
cmSelect.Statements.Add(new CodeSnippetExpression("return this.Access.ExecuteDataSet()"));
cmSelect.Comments.Add(new CodeCommentStatement("Select by Object [Implements Query By Example], returns DataSet"));
return(cmSelect);
}
