private static void GenerateChangeDataTypeCommand(ICommandDispatcher dispatcher,MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.DataTypeMatches(updated))
return;
dispatcher.Dispatch(new ChangeMetadataDefinitionDataTypeCommand(updated.Identity, updated.DataType));
}
public bool NameMatches(MetadataDefinitionResource other)
{
if (other == null)
return false;
return Equals(Name, other.Name);
}
public HttpResponseMessage Create(MetadataDefinitionResource resource)
{
_logWriter.Info(String.Format("Beginning of processing creation of Definition : {0}", resource.Name));
if (resource == null)
{
throw new ArgumentEmptyException("resource");
}
_logWriter.Debug(resource.ToString());
if (_metadataDefinitonReadService.FindByIdentity(resource.Identity).Exists)
{
return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, "Identity already exists. Identities must be unique"));
}
return(_metadataDefinitonReadService.FindByName(resource.Name).Fold(x =>
Request.CreateErrorResponse(HttpStatusCode.BadRequest, resource.Name + " already exist. Names must be unique"),
() =>
{
var errors = ValidateResource(resource);
if (!String.IsNullOrWhiteSpace(errors))
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, errors);
}
var command = resource.ToCreateCommand();
_dispatcher.Dispatch(command);
_logWriter.Info(String.Format("Completion of processing creation of Definition : {0}", resource.Name));
return Request.CreateResponse(HttpStatusCode.Created);
}));
}
public bool DataTypeMatches(MetadataDefinitionResource other)
{
if (other == null)
return false;
return Equals(DataType, other.DataType);
}
public bool DescriptionMatches(MetadataDefinitionResource other)
{
if (other == null)
return false;
return Equals(Description, other.Description);
}
private static void GenerateValues(ICommandDispatcher dispatcher, MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.ValuesMatch(updated))
return;
dispatcher.Dispatch(new UpdateMetadataDefinitionValuesCommand(updated.Identity, updated.Values));
}
private static void GenerateUpdateRegexCommand(ICommandDispatcher dispatcher,MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.RegexMatches(updated))
return;
dispatcher.Dispatch(new UpdateMetadataDefinitionRegexCommand(updated.Identity,updated.Regex));
}
private static void GenerateReLabelDescriptionCommand(ICommandDispatcher dispatcher, MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.DescriptionMatches(updated))
return;
dispatcher.Dispatch(new ReLabelMetadataDefinitionDescriptionCommand(updated.Identity, new MetadataDefinitionDescription(updated.Description.Trim())));
}
public HttpResponseMessage Create(MetadataDefinitionResource resource)
{
_logWriter.Info(String.Format("Beginning of processing creation of Definition : {0}", resource.Name));
if (resource == null)
throw new ArgumentEmptyException("resource");
_logWriter.Debug(resource.ToString());
if (_metadataDefinitonReadService.FindByIdentity(resource.Identity).Exists)
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, "Identity already exists. Identities must be unique");
return _metadataDefinitonReadService.FindByName(resource.Name).Fold(x =>
Request.CreateErrorResponse(HttpStatusCode.BadRequest, resource.Name + " already exist. Names must be unique"),
() =>
{
var errors = ValidateResource(resource);
if (!String.IsNullOrWhiteSpace(errors))
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, errors);
var command = resource.ToCreateCommand();
_dispatcher.Dispatch(command);
_logWriter.Info(String.Format("Completion of processing creation of Definition : {0}", resource.Name));
return Request.CreateResponse(HttpStatusCode.Created);
});
}
public bool NameMatches(MetadataDefinitionResource other)
{
if (other == null)
{
return(false);
}
return(Equals(Name, other.Name));
}
public bool DescriptionMatches(MetadataDefinitionResource other)
{
if (other == null)
{
return(false);
}
return(Equals(Description, other.Description));
}
public bool DataTypeMatches(MetadataDefinitionResource other)
{
if (other == null)
{
return(false);
}
return(Equals(DataType, other.DataType));
}
private static void GenerateReLabelCommand(ICommandDispatcher dispatcher, MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.NameMatches(updated))
{
return;
}
dispatcher.Dispatch(new ReLabelMetadataDefinitionCommand(updated.Identity, new MetadataDefinitionName(updated.Name.Trim())));
}
public bool RegexMatches(MetadataDefinitionResource other)
{
if (other == null)
{
return(false);
}
return(Equals(Regex, other.Regex));
}
private static void GenerateValues(ICommandDispatcher dispatcher, MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.ValuesMatch(updated))
{
return;
}
dispatcher.Dispatch(new UpdateMetadataDefinitionValuesCommand(updated.Identity, updated.Values));
}
public static void GenerateCommands(this ICommandDispatcher dispatcher, IMetadataDefinitionReadService readService, MetadataDefinitionResource resource)
{
var current = readService.FindByIdentity(resource.Identity);
current.Foreach(original =>
{
GenerateReLabelCommand(dispatcher, original, resource);
GenerateReLabelDescriptionCommand(dispatcher, original, resource);
GenerateChangeDataTypeCommand(dispatcher, original, resource);
GenerateUpdateRegexCommand(dispatcher, original, resource);
GenerateValues(dispatcher, original, resource);
});
}
public HttpResponseMessage UpdateMetadataDefinition([FromUri] Guid identity, [FromBody] MetadataDefinitionResource resource)
{
_logWriter.Info(String.Format("Update request for Metadata Definition : {0}", identity));
resource.Identity = identity;
var current = _metadataDefinitonReadService.FindByIdentity(resource.Identity);
var matchingByName = _metadataDefinitonReadService.FindByName(resource.Name);
return(matchingByName.Filter(x => x.Identity != resource.Identity)
.Fold(x => Request.CreateErrorResponse(HttpStatusCode.BadRequest, resource.Name + " already exists. Names must be unique"),
() => current.Fold(z =>
{
_dispatcher.GenerateCommands(_metadataDefinitonReadService, resource);
return Request.CreateResponse(HttpStatusCode.OK);
},
() => Request.CreateErrorResponse(HttpStatusCode.NotFound, "Metadata Definition Resource Not Found"))
));
}
private string ValidateResource(MetadataDefinitionResource resource)
{
var sb = new StringBuilder();
if (DataTypeBuilder.Create(resource.DataType) != null)
{
return(sb.ToString());
}
sb.AppendLine("Invalid DataType");
sb.AppendLine("Valid data type included");
foreach (var dataType in DataTypeBuilder.GetDataTypes())
{
sb.Append(dataType.Value.Tag + ",");
}
return(sb.ToString());
}
public bool ValuesMatch(MetadataDefinitionResource other)
{
if (other == null)
{
return(false);
}
if (Values == null)
{
return(other.Values == null || !other.Values.Any());
}
if (other.Values == null)
{
return(Values == null || !Values.Any());
}
if (Values.Count != other.Values.Count)
{
return(false);
}
return(Values.Intersect(other.Values).Count() == Values.Count);
}
public bool RegexMatches(MetadataDefinitionResource other)
{
if (other == null)
return false;
return Equals(Regex, other.Regex);
}
public bool ValuesMatch(MetadataDefinitionResource other)
{
if (other == null)
return false;
if (Values == null)
return other.Values == null || !other.Values.Any();
if (other.Values == null)
return Values == null || !Values.Any();
if (Values.Count != other.Values.Count) return false;
return Values.Intersect(other.Values).Count() == Values.Count;
}
private static void GenerateChangeDataTypeCommand(ICommandDispatcher dispatcher, MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.DataTypeMatches(updated))
{
return;
}
dispatcher.Dispatch(new ChangeMetadataDefinitionDataTypeCommand(updated.Identity, updated.DataType));
}
private static void GenerateUpdateRegexCommand(ICommandDispatcher dispatcher, MetadataDefinitionResource original, MetadataDefinitionResource updated)
{
if (original.RegexMatches(updated))
{
return;
}
dispatcher.Dispatch(new UpdateMetadataDefinitionRegexCommand(updated.Identity, updated.Regex));
}
public static void GenerateCommands(this ICommandDispatcher dispatcher, IMetadataDefinitionReadService readService, MetadataDefinitionResource resource)
{
var current = readService.FindByIdentity(resource.Identity);
current.Foreach(original =>
{
GenerateReLabelCommand(dispatcher, original, resource);
GenerateReLabelDescriptionCommand(dispatcher, original, resource);
GenerateChangeDataTypeCommand(dispatcher, original, resource);
GenerateUpdateRegexCommand(dispatcher, original, resource);
GenerateValues(dispatcher, original, resource);
});
}
public static CreateMetadataDefinitionCommand ToCreateCommand(this MetadataDefinitionResource resource)
{
var values = (resource.Values == null || !resource.Values.Any()) ? Enumerable.Empty <string>() : resource.Values.Where(x => !string.IsNullOrEmpty(x));
return(new CreateMetadataDefinitionCommand(resource.Identity.IfGuidEmptyCreateNew(), resource.Name, resource.Description, resource.DataType, resource.Regex, values));
}
private string ValidateResource(MetadataDefinitionResource resource)
{
var sb = new StringBuilder();
if (DataTypeBuilder.Create(resource.DataType) != null)
return sb.ToString();
sb.AppendLine("Invalid DataType");
sb.AppendLine("Valid data type included");
foreach (var dataType in DataTypeBuilder.GetDataTypes())
sb.Append(dataType.Value.Tag + ",");
return sb.ToString();
}
