/// <summary>
/// Creates a new Context object based on the current context configuration.
/// </summary>
/// <returns>A new Context object.</returns>
public Context BuildContext()
{
Context context = new Context(Configuration);
context.Namespace = Configuration.Namespace;
context.Name = Configuration.Name;
/* Resolves all the sprocs set in the context configuration. */
foreach (var sproc in Configuration.Sprocs)
{
SprocMethod method = null;
if (sproc.TestParams.Count > 0)
{
method = ReadSectionAndGenerateSprocMethodUsingTestParams(sproc);
}
else
{
method = ReadSectionAndGenerateSprocMethodWithoutTestParams(sproc);
}
GlobalProgress.NotifyProgress($"Running sp_help '{sproc.Name}' to derive the parameters.");
method.Parameters = new SprocParameterResolver(Configuration).Resolve(method.SprocName);
GlobalProgress.NotifyProgress($"Found {method.Parameters.Count()} parameter(s) for '{sproc.Name}'.");
context.Methods.Add(method);
GlobalProgress.NotifyProgress("Done.");
}
return(context);
}
/// <summary>
/// Creates a SprocMethod object that doesn't require to be tested against to have automatically generated code.
/// </summary>
/// <param name="section">The sproc section that defines the sproc configuration.</param>
/// <returns>A SprocMethod object with the required information for automatic code generation.</returns>
public SprocMethod ReadSectionAndGenerateSprocMethodWithoutTestParams(SprocSection section)
{
GlobalProgress.NotifyProgress(
new GlobalProgressNotification()
{
Text = section.Name,
Color = ConsoleColor.Cyan
}
);
SprocMethod method = new SprocMethod();
method.SprocName = section.Name;
method.MethodName = section.Method;
method.Comments = section.Comments;
if (section.Return == null)
{
method.ReturnType = SprocMethod.ReturnTypes.IntWithRecordsAffected;
}
else
{
method.ReturnType = SprocMethod.ReturnTypes.ScalarValue;
method.Return = SqlParameterResolver.GetTypeFromSqlServerFriendlyType(section.Return).ClrType;
}
return(method);
}
/// <summary>
/// Creates a SprocMethod object that requires to be tested against to define the results.
/// </summary>
/// <param name="section">The sproc section that defines the sproc configuration.</param>
/// <returns>A SprocMethod object with the required information for automatic code generation.</returns>
public SprocMethod ReadSectionAndGenerateSprocMethodUsingTestParams(SprocSection section)
{
GlobalProgress.NotifyProgress(
new GlobalProgressNotification()
{
Text = $"{section.Name} (testing...)",
Color = ConsoleColor.Cyan
}
);
SprocMethod method = new SprocMethod();
method.MethodName = section.Method;
method.SprocName = section.Name;
method.Comments = section.Comments;
/* Creates a new connection to test the sproc. */
using (SqlConnection connection = new SqlConnection())
{
connection.ConnectionString = Configuration.ConnectionString;
connection.Open();
using (SqlCommand command = connection.CreateCommand())
{
command.CommandType = System.Data.CommandType.StoredProcedure;
command.CommandText = section.Name;
foreach (var param in section.TestParams)
{
var sqlParamMapping = SqlParameterResolver.Resolve(param.Name, param.Value);
command.Parameters.Add(sqlParamMapping.Parameter);
}
GlobalProgress.NotifyProgress($"Testing sproc '{section.Name}' with {command.Parameters.Count} parameter(s) ...");
/* Tests the sproc. */
using (SqlDataReader reader = command.ExecuteReader())
{
if (reader.FieldCount > 1)
{
for (int i = 0; i < reader.FieldCount; i++)
{
SprocResultProperty sprocProperty = new SprocResultProperty();
sprocProperty.ClrType = reader.GetFieldType(i);
sprocProperty.PropertyName = reader.GetName(i);
method.ResultProperties.Add(sprocProperty);
method.ReturnType = SprocMethod.ReturnTypes.IEnumerableOf;
}
GlobalProgress.NotifyProgress($"'{section.Name}' returned multiple columns, generating result class.");
}
if (reader.FieldCount == 1)
{
GlobalProgress.NotifyProgress($"'{section.Name}' returned one column, generating method as scalar.");
method.Return = reader.GetFieldType(0);
method.ReturnType = SprocMethod.ReturnTypes.ScalarValue;
}
if (reader.FieldCount == 0)
{
GlobalProgress.NotifyProgress($"'{section.Name}' didn't return any columns, returning System.Int32.");
method.ReturnType = SprocMethod.ReturnTypes.IntWithRecordsAffected;
}
}
}
}
return(method);
}