/// <summary>
/// Applies the Remove patch operation to the target
/// </summary>
/// <param name="target">The object to apply the operation to.</param>
public override void Apply(TModel target)
{
this.Apply(
target,
(type, parent, current) =>
{
if (type.IsList())
{
var list = (IList)parent;
int index;
if (int.TryParse(current, out index) &&
list.Count > index)
{
list.RemoveAt(index);
}
else
{
// We can't remove outside the rangeof the list.
throw new PatchOperationFailedException(PatchResources.IndexOutOfRange(this.Path));
}
}
else if (type.IsDictionary())
{
((IDictionary)parent).Remove(current);
}
else
{
type.SetMemberValue(current, parent, this.Value);
}
});
}
/// <summary>
/// Applies the Add patch operation to the target
/// </summary>
/// <param name="target">The object to apply the operation to.</param>
public override void Apply(TModel target)
{
this.Apply(
target,
(type, parent, current) =>
{
// Empty current means replace the whole object.
if (string.IsNullOrEmpty(current))
{
parent = this.Value;
}
else if (type.IsList())
{
var list = (IList)parent;
if (current == EndOfIndex)
{
list.Add(this.Value);
}
else
{
int index;
// When index == list.Count it's the same
// as doing an index append to the end.
if (int.TryParse(current, out index) &&
list.Count >= index)
{
list.Insert(index, this.Value);
}
else
{
// We can't insert beyond the length of the list.
throw new PatchOperationFailedException(PatchResources.IndexOutOfRange(this.Path));
}
}
}
else if (type.IsDictionary())
{
((IDictionary)parent)[current] = this.Value;
}
else
{
type.SetMemberValue(current, parent, this.Value);
}
});
}
/// <summary>
/// Applies the Test patch operation to the target
/// </summary>
/// <param name="target">The object to apply the operation to.</param>
public override void Apply(TModel target)
{
this.Apply(
target,
(type, parent, current) =>
{
object memberValue = null;
if (type.IsList())
{
var list = (IList)parent;
int index;
if (int.TryParse(current, out index) &&
list.Count > index)
{
memberValue = list[index];
}
else
{
// We can't insert beyond the length of the list.
throw new PatchOperationFailedException(PatchResources.IndexOutOfRange(this.Path));
}
}
else if (type.IsDictionary())
{
var fieldDictionary = ((IDictionary)parent);
if (!fieldDictionary.Contains(current))
{
throw new InvalidPatchFieldNameException(PatchResources.InvalidFieldName(current));
}
memberValue = fieldDictionary[current];
}
else
{
memberValue = type.GetMemberValue(current, parent);
}
var success = false;
if (memberValue != null)
{
if (memberValue is IList)
{
// TODO: Implement
throw new PatchOperationFailedException(PatchResources.TestNotImplementedForList());
}
else if (memberValue is IDictionary)
{
// TODO: Implement
throw new PatchOperationFailedException(PatchResources.TestNotImplementedForDictionary());
}
else if (memberValue.GetType().IsAssignableOrConvertibleFrom(this.Value))
{
// We convert the objects since we need the values unboxed.
var convertedMemberValue = ConvertUtility.ChangeType(memberValue, memberValue.GetType());
var convertedValue = ConvertUtility.ChangeType(this.Value, memberValue.GetType());
success = convertedMemberValue.Equals(convertedValue);
}
else
{
success = memberValue.Equals(this.Value);
}
}
else
{
success = object.Equals(memberValue, this.Value);
}
if (!success)
{
throw new TestPatchOperationFailedException(PatchResources.TestFailed(this.Path, memberValue, this.Value));
}
});
}
