private static string TransformParameters(IComponentContext ctx, string cfg)
{
var preProcess = new Transformalize.ConfigurationFacade.Process(
cfg,
new Dictionary <string, string>(),
new List <IDependency> {
ctx.Resolve <IReader>(),
new DateMathModifier(),
new ParameterModifier(new NullPlaceHolderReplacer()),
ctx.ResolveNamed <IDependency>(TransformModule.ParametersName)
}.ToArray());
if (!preProcess.Parameters.Any(pr => pr.Transforms.Any()))
{
return(null);
}
var fields = preProcess.Parameters.Select(pr => new Field {
Name = pr.Name,
Alias = pr.Name,
Default = pr.Value,
Type = pr.Type,
Transforms = pr.Transforms.Select(o => o.ToOperation()).ToList()
}).ToList();
var len = fields.Count;
var entity = new Entity {
Name = "Parameters", Alias = "Parameters", Fields = fields
};
var mini = new Process {
Name = "ParameterTransform",
ReadOnly = true,
Entities = new List <Entity> {
entity
},
Maps = preProcess.Maps.Select(m => m.ToMap()).ToList(), // for map transforms
Scripts = preProcess.Scripts.Select(s => s.ToScript()).ToList() // for transforms that use scripts (e.g. js)
};
mini.Check(); // very important to check after creating, as it runs validation and even modifies!
if (!mini.Errors().Any())
{
// modification in Check() do not make it out to local variables so overwrite them
fields = mini.Entities.First().Fields;
entity = mini.Entities.First();
var c = new PipelineContext(ctx.Resolve <IPipelineLogger>(), mini, entity);
var transforms = new List <ITransform> {
new Transformalize.Transforms.System.DefaultTransform(c, fields)
};
transforms.AddRange(TransformFactory.GetTransforms(ctx, c, fields));
// make an input out of the parameters
var input = new List <IRow>();
var row = new MasterRow(len);
for (var i = 0; i < len; i++)
{
row[fields[i]] = preProcess.Parameters[i].Value;
}
input.Add(row);
var output = transforms.Aggregate(input.AsEnumerable(), (rows, t) => t.Operate(rows)).ToList().First();
for (var i = 0; i < len; i++)
{
var parameter = preProcess.Parameters[i];
parameter.Value = output[fields[i]].ToString();
parameter.T = string.Empty;
parameter.Transforms.Clear();
}
return(preProcess.Serialize());
}
var context = new PipelineContext(ctx.Resolve <IPipelineLogger>(), mini, entity);
foreach (var error in mini.Errors())
{
context.Error(error);
}
return(null);
}
private string ModifyInternal(string cfg, int id, IDictionary <string, string> parameters)
{
// using facade (which is all string properties) so things can be
// transformed before types are checked or place-holders are replaced
var builder = new ContainerBuilder();
builder.RegisterModule(new ShorthandModule(_logger));
Transformalize.ConfigurationFacade.Process facade;
using (var scope = builder.Build().BeginLifetimeScope()) {
facade = new Transformalize.ConfigurationFacade.Process(
cfg,
parameters: parameters,
dependencies: new List <IDependency> {
new TransferParameterModifier(), // consumes parameters
scope.ResolveNamed <IDependency>(TransformModule.ParametersName),
scope.ResolveNamed <IDependency>(ValidateModule.ParametersName)
}.ToArray()
);
facade.Id = id.ToString();
}
if (!facade.Parameters.Any())
{
return(cfg);
}
_settings.ApplyCommonSettings(facade);
var fields = new List <Field>();
foreach (var pr in facade.Parameters)
{
var field = new Field {
Name = pr.Name,
Alias = pr.Name,
// Default = pr.Value, (something has changed, this value didn't cause problems before but it is now in DefaultRowReader)
Label = pr.Label,
PostBack = pr.PostBack,
Type = pr.Type,
Help = pr.Help,
InputType = pr.InputType, // used in ParameterRowReader to identify files
Transforms = pr.Transforms.Select(o => o.ToOperation()).ToList(),
Validators = pr.Validators.Select(o => o.ToOperation()).ToList()
};
if (!string.IsNullOrEmpty(pr.Length))
{
field.Length = pr.Length;
}
if (!string.IsNullOrEmpty(pr.Precision) && int.TryParse(pr.Precision, out int precision))
{
field.Precision = precision;
}
if (!string.IsNullOrEmpty(pr.Scale) && int.TryParse(pr.Scale, out int scale))
{
field.Scale = scale;
}
fields.Add(field);
}
var validatorFields = new List <Field>();
foreach (var field in fields.Where(f => f.Validators.Any()))
{
field.ValidField = field.Name + "Valid";
field.MessageField = field.Name + "Message";
validatorFields.Add(new Field {
Name = field.ValidField,
Input = false,
Default = "true",
Type = "bool"
});
validatorFields.Add(new Field {
Name = field.MessageField,
Input = false,
Default = string.Empty,
Type = "string",
Length = "255"
});
}
// create an internal connection for input
var connections = new List <Transformalize.ConfigurationFacade.Connection> {
new Transformalize.ConfigurationFacade.Connection()
{
Name = _tpInput, Provider = "internal"
}
};
// add existing connections in case maps need to be loaded
connections.AddRange(facade.Connections);
//create an internal connection for output
connections.Add(new Transformalize.ConfigurationFacade.Connection()
{
Name = _tpOutput, Provider = "internal"
});
// create entity
var entity = new Entity {
Name = "Parameters",
Fields = fields,
CalculatedFields = validatorFields,
Input = _tpInput
};
// disable checking for invalid characters unless set
var arrangementParameters = new List <Parameter>();
foreach (var parameter in facade.Parameters)
{
var add = parameter.ToParameter();
if (parameter.InvalidCharacters == null)
{
add.InvalidCharacters = string.Empty;
}
arrangementParameters.Add(add);
}
// create process to transform and validate the parameter values
var process = new Process {
Id = id,
Name = "Transformalize Parameters",
ReadOnly = true,
Mode = "form", // causes auto post-back's to resolve to either true or false
Output = _tpOutput,
Parameters = arrangementParameters,
Maps = facade.Maps.Select(m => m.ToMap()).ToList(),
Scripts = facade.Scripts.Select(m => m.ToScript()).ToList(),
Entities = new List <Entity> {
entity
},
Connections = connections.Select(c => c.ToConnection()).ToList()
};
process.Load(); // very important to check after creating, as it runs validation and even modifies!
if (!process.Errors().Any())
{
// modification in Load() do not make it out to local variables so overwrite them
entity = process.Entities.First();
fields = entity.Fields;
validatorFields = entity.CalculatedFields;
CfgRow output;
_container.GetReaderAlternate = (input, rowFactory) => new ParameterRowReader(input, new DefaultRowReader(input, rowFactory));
using (var scope = _container.CreateScope(process, _logger)) {
scope.Resolve <IProcessController>().Execute();
output = process.Entities[0].Rows.FirstOrDefault();
}
for (int i = 0; i < process.Maps.Count; i++)
{
var source = process.Maps[i];
var target = facade.Maps[i];
if (source.Items.Any() && !target.Items.Any())
{
foreach (var item in source.Items)
{
target.Items.Add(new Transformalize.ConfigurationFacade.MapItem()
{
From = item.From.ToString(),
To = item.To.ToString(),
Parameter = item.Parameter,
Value = item.Value
});
}
target.Query = string.Empty; // remove the query so they are not queried again
}
}
if (output != null)
{
JintVisibility jintVisibility = null;
foreach (var parameter in facade.Parameters)
{
var field = fields.First(f => f.Name == parameter.Name);
// set the transformed value
parameter.Value = output[field.Name].ToString();
parameter.PostBack = field.PostBack; // auto is changed to true|false in transformalize
// set the validation results
if (parameter.Validators.Any())
{
if ((bool)output[field.ValidField])
{
parameter.Valid = "true";
}
else
{
parameter.Valid = "false";
parameter.Message = ((string)output[field.MessageField]).TrimEnd('|');
}
}
// set the visibility
if (string.IsNullOrEmpty(parameter.Visible))
{
parameter.Visible = "true";
}
else
{
if (jintVisibility == null)
{
jintVisibility = new JintVisibility();
}
var response = jintVisibility.Visible(new JvRequest(output, parameter.Visible));
if (response.Faulted)
{
_logger.Error(() => $"Parameter {parameter.Name} has a visible script error: {response.Message}");
_notifier.Error(H[$"Parameter {parameter.Name} has a visible script error: {response.Message}"]);
}
parameter.Visible = response.Visible.ToString().ToLower();
if (parameter.Visible == "false")
{
parameter.Valid = "true"; // because they won't be able to fix it
}
}
// remove this stuff because all the transforming and validating is done at this point
parameter.T = null;
parameter.Transforms.Clear();
parameter.V = null;
parameter.Validators.Clear();
}
}
return(facade.Serialize());
}
foreach (var error in process.Errors())
{
_logger.Error(() => error);
}
return(cfg);
}
