public BaseRequest GetRequestForVerb(Noun noun)
{
using (LogContext.PushProperty("method", nameof(GetRequestForVerb)))
using (LogContext.PushProperty("args", noun))
{
var verbKeyValuePair = noun.Verbs.Single();
var verb = verbKeyValuePair.Value;
var instance = (BaseRequest)Activator.CreateInstance(verb.RequestType);
var optionValues = verb.Options;
var optionProperties = GetOptions(verb.RequestType);
var updatedOptions = optionValues.Keys.Intersect(optionProperties.Keys);
foreach (var updatedOption in updatedOptions)
{
var optionProperty = optionProperties[updatedOption];
var optionValue = optionValues[updatedOption];
_logger.Information("setting {propertyName} which was mapped from {optionKey} to value '{propertyValue}'", optionProperty.Item2.Name, optionValue.GetFullNameFormatted, optionValue.Value);
optionProperty.Item2.SetValue(instance, optionValue.Value);
}
_logger.Information("successfully mapped {@instance}", instance);
return(instance);
}
}
private static Verb ExtractCandidateVerb(string[] candidateArguments, Noun candidateNoun)
{
foreach (var candidateArgument in candidateArguments)
{
foreach (var candidateVerb in candidateNoun.Verbs.Values)
{
if (candidateVerb.IsNamed(candidateArgument))
{
return(candidateVerb);
}
}
}
return(null);
}
public Noun ParseAndPopulateOperation(IEnumerable <Noun> allNouns, string[] args)
{
Noun nounVerbCombination = null;
using (LogContext.PushProperty("method", nameof(ParseAndPopulateOperation)))
using (LogContext.PushProperty("args", args))
{
Verb candidateVerb = null;
var candidateArguments = args.Take(2).ToArray();
_logger.Information("found {@numberOfCandidateArguments}; specifically {@candidateArguments}", candidateArguments.Length, candidateArguments);
var candidateNoun = FindCandidateNoun(allNouns, candidateArguments);
if (candidateNoun != null)
{
candidateVerb = ExtractCandidateVerb(candidateArguments, candidateNoun);
}
if (candidateNoun == null || candidateVerb == null)
{
var outOfRangeException = new ArgumentOutOfRangeException("nounVerbPair", string.Join(",", candidateArguments), $"Cannot identify either a Noun or a Verb; what we got was '{string.Join(" ", candidateArguments)}'");
_logger.Error(outOfRangeException, "Cannot identify either a Noun or a Verb; what we got was '{candidateArguments}'", string.Join(" ", candidateArguments));
throw outOfRangeException;
}
else
{
_logger.Information("identified {@identifiedNoun}, {@identifiedVerb}", candidateNoun, candidateVerb);
candidateNoun.Verbs.Clear();
candidateNoun.Verbs.Add(candidateVerb.GetDefaultName, candidateVerb);
nounVerbCombination = candidateNoun;
}
}
return(nounVerbCombination);
}
public Dictionary <string, Noun> GetNounMetadata(Assembly assembly, string named = null)
{
var results = new Dictionary <string, Noun>();
var nounKvps = _attributeReflector.ReflectNouns(assembly);
foreach (var nounKvp in nounKvps)
{
var currentNounAttribute = nounKvp.Value;
var currentNoun = new Noun()
{
Names = currentNounAttribute.Names
};
currentNoun.Verbs = GetVerbMetadata(assembly, currentNounAttribute.GetDefaultName);
results.Add(currentNoun.GetDefaultName, currentNoun);
}
return(results);
}
public void ParseAndPopulateOptions(ref Noun noun, string[] args)
{
using (LogContext.PushProperty("method", nameof(ParseAndPopulateOptions)))
using (LogContext.PushProperty("args", new { noun, args }))
{
var verbKeyValuePair = noun.Verbs.Single();
var verb = verbKeyValuePair.Value;
var candidateArguments = args.Skip(2).ToArray();
_logger.Information("found {@numberOfCandidateArguments}; specifically {@candidateArguments}", candidateArguments.Length, candidateArguments);
var ordinals = verb.GetOrdinalOptions;
var parameterized = verb.GetParametrizedOptions;
for (var i = 0; i < candidateArguments.Length; i++)
{
var argument = candidateArguments.ElementAtOrDefault(i);
// todo nullcheck return
// check ordinal fields
var ordinal = ordinals.ElementAtOrDefault(i);
if (ordinal != null)
{
var ordinalLikelyValue = string.Empty;
// has the ordinal been named
if (ordinal.IsNamed(argument))
{
ordinalLikelyValue = candidateArguments.ElementAtOrDefault(i + 1);
i++;
}
else
{
ordinalLikelyValue = argument;
}
ordinal.Value = ordinalLikelyValue;
// todo log found
continue;
}
// now parametrized
var optionNamed = verb.GetOptionNamed(argument);
var optionLikelyValue = candidateArguments.ElementAtOrDefault(i + 1);
if (optionNamed != null)
{
if (optionLikelyValue != null)
{
optionNamed.Value = optionLikelyValue;
i++;
}
continue;
}
else
{
var outOfRangeException = new ArgumentOutOfRangeException(argument, optionLikelyValue, $"'{noun.GetDefaultName} {verb.GetDefaultName}' Doesn't understand an argument of '{argument}'");
_logger.Error(outOfRangeException, "'{@noun.GetFullNameFormatted} {@verb.GetFullNameFormatted}' Doesn't understand an argument of '{@argument}'", noun.GetDefaultName, verb.GetDefaultName, verb.GetDefaultName, argument);
throw outOfRangeException;
}
}
}
}
public Verb(Noun noun)
{
_noun = noun;
}