internal MissingTerminalParameter(Type terminalType, InvalidEntity invalidEntity) : base
(
invalidEntity: invalidEntity,
info: $"Missing or invalid terminal parameters in request to '{terminalType.GetRESTableTypeName()}'"
)
{
}
internal InvalidInputEntity(InvalidEntity invalidEntity, string info = null) : base
(
code: ErrorCodes.InvalidResourceEntity,
info: info ?? "An invalid input entity was encountered"
)
{
InvalidEntity = invalidEntity;
}
private Terminal InvokeParameterizedConstructor(List <Condition <T> > assignmentList)
{
var constructorParameterList = new object[ConstructorParameterInfos.Length];
var parameterAssignments = new Dictionary <int, object>();
var missingParameterAssignments = default(List <ParameterInfo>);
for (var i = 0; i < assignmentList.Count; i += 1)
{
var assignment = assignmentList[i];
if (ConstructorParameterIndexes.TryGetValue(assignment.Key, out var index))
{
if (assignment.Operator != Operators.EQUALS)
{
throw new BadConditionOperator(this, assignment.Operator);
}
parameterAssignments[index] = assignment.Value;
assignmentList.RemoveAt(i);
i -= 1;
}
}
for (var i = 0; i < ConstructorParameterInfos.Length; i += 1)
{
if (parameterAssignments.TryGetValue(i, out var value))
{
constructorParameterList[i] = value;
}
else
{
var parameterInfo = ConstructorParameterInfos[i];
if (parameterInfo.IsOptional)
{
constructorParameterList[i] = Missing.Value;
}
else
{
missingParameterAssignments ??= new List <ParameterInfo>();
missingParameterAssignments.Add(parameterInfo);
}
}
}
if (missingParameterAssignments?.Count > 0)
{
var invalidMembers = missingParameterAssignments
.Select(parameter => new InvalidMember(
entityType: Type,
memberName: parameter.Name,
memberType: parameter.ParameterType,
message: $"Missing parameter of type '{parameter.ParameterType}'")
).ToList();
var invalidEntity = new InvalidEntity(invalidMembers);
throw new MissingTerminalParameter(Type, invalidEntity);
}
return(Constructor.Invoke(constructorParameterList) as Terminal);
}
internal Terminal MakeTerminal(RESTableContext context, IEnumerable <Condition <T> > assignments = null)
{
var assignmentList = assignments?.ToList() ?? new List <Condition <T> >();
var newTerminal = HasConstructorParameters
? InvokeParameterizedConstructor(assignmentList)
: Constructor.Invoke(null) as Terminal;
foreach (var assignment in assignmentList)
{
if (assignment.Operator != Operators.EQUALS)
{
throw new BadConditionOperator(this, assignment.Operator);
}
if (!Members.TryGetValue(assignment.Key, out var property))
{
if (newTerminal is IDictionary <string, object> dynTerminal)
{
dynTerminal[assignment.Key] = assignment.Value;
}
else
{
throw new UnknownProperty(Type, this, assignment.Key);
}
}
else
{
property.SetValue(newTerminal, assignment.Value);
}
}
if (newTerminal is T terminal and IValidator <T> validator)
{
var invalidMembers = validator.Validate(terminal, context).ToList();
if (invalidMembers.Count > 0)
{
var invalidEntity = new InvalidEntity(invalidMembers);
throw new InvalidInputEntity(invalidEntity);
}
}
return(newTerminal);
}
