/// <summary>
/// Reverts part of the schema relevant to a problem to the state which when compared to its current
/// state, regenerates the problem. The inverse of ResolveProblem.
/// </summary>
/// <param name="oldSchema">the old schema which generated the problem when compared to the current schema</param>
/// <param name="problem">the problem it generated</param>
public void ApplyProblem(ContentModelSchema oldSchema, ChangeProblem problem)
{
string aqTypeName = problem.GetAssemblyQualifiedTypeName();
switch (problem.ProblemType)
{
case ChangeProblemType.DeletionNeeded:
// copy the deleted type to the new schema
TypeProperties.Add(aqTypeName, oldSchema.TypeProperties[aqTypeName]);
break;
case ChangeProblemType.PropertyDropped:
// copy the dropped property to the new schema
TypeProperties[aqTypeName].Add(problem.PropertyName, oldSchema.TypeProperties[aqTypeName][problem.PropertyName]);
break;
case ChangeProblemType.PropertyDroppedFromSummary:
Type contentType = ContentTypeHierarchy.GetContentType(problem.TypeName);
string aqSummaryTypeName = ContentTypeHierarchy.SummaryTypes[contentType].AssemblyQualifiedName;
TypeProperties[aqTypeName].Add(problem.PropertyName, oldSchema.TypeProperties[aqTypeName][problem.PropertyName]);
TypeProperties[aqSummaryTypeName].Add(problem.PropertyName, oldSchema.TypeProperties[aqSummaryTypeName][problem.PropertyName]);
break;
// Problems not requiring data modification
case ChangeProblemType.NullObjectValue:
break;
}
}
/// <summary>
/// Run a filter based on the user inputs from the Filter page including the version key values for the selected version,
/// the list of allowed content class names, the filters and a paging spec
/// </summary>
/// <param name="versionFilter">list of version keys in the order they appear in VersionManager.SelectionViewModel</param>
/// <param name="classFilter">List of content class names</param>
/// <param name="filters">List of filters</param>
/// <param name="pagingSpec">Specification of paging</param>
/// <returns>A list of container x summary tuples which are the results of filtering</returns>
public List <Tuple <object, Summary> > RunFilter(List <string> versionFilter, string[] classFilter, List <ListFilter> filters, PagingSpec pagingSpec)
{
if (filters == null)
{
filters = new List <ListFilter>();
}
var reqVersion = new ItemVersion();
var u = LyniconSecurityManager.Current.User;
var v = VersionManager.Instance.CurrentVersion;
var vsvms = VersionManager.Instance.SelectionViewModel(u, v);
int vIdx = 0;
foreach (var vsvm in vsvms)
{
object vVal = JsonConvert.DeserializeObject(versionFilter[vIdx]);
reqVersion.Add(vsvm.VersionKey, vVal is Int64 ? Convert.ToInt32(vVal) : vVal);
vIdx++;
}
VersionManager.Instance.PushState(VersioningMode.Specific, reqVersion);
List <Tuple <object, Summary> > pagedResult = null;
try
{
var types = (classFilter ?? new string[0]).Select(c => ContentTypeHierarchy.GetAnyType(c)).ToList();
var vm = new ItemListerViewModel();
for (var i = 0; i < filters.Count; i++)
{
filters[i].MergeOriginal(vm.Filters[filters[i].Idx]);
}
var containerFilters = filters.Where(f => (f.Active || f.Sort != 0) && !typeof(Summary).IsAssignableFrom(f.ApplicableType)).ToList();
var summaryFilters = filters.Where(f => (f.Active || f.Sort != 0) && typeof(Summary).IsAssignableFrom(f.ApplicableType)).ToList();
var filterResult = FilterManager.Instance.GetFilterSummaries(types, containerFilters, summaryFilters);
pagingSpec.Total = filterResult.Count;
pagedResult = filterResult.ApplyPaging(pagingSpec).ToList();
//var resultView = pagedResult.Select(t => new List<string> { t.Item2.Url, t.Item2.Title }).ToList();
//foreach (var filt in filters.Where(f => f.Show))
//{
// for (int i = 0; i < resultView.Count; i++)
// resultView[i].Add(filt.GetShowText(pagedResult[i]));
//}
}
finally
{
VersionManager.Instance.PopState();
}
return(pagedResult);
}
/// <summary>
/// Find problems in the changes between two schemas by comparing this
/// recorded schema to a given schema (usually the current schema)
/// </summary>
/// <param name="codeSchema">The current schema</param>
/// <returns>List of potential problems arising from the differences between the schemas</returns>
public List <ChangeProblem> FindProblems(ContentModelSchema codeSchema)
{
var changeProblems = new List <ChangeProblem>();
foreach (string typeName in this.ContentTypes.Except(codeSchema.ContentTypes))
{
changeProblems.Add(new ChangeProblem(typeName, null, ChangeProblemType.DeletionNeeded));
}
var otherTypes = new Dictionary <string, Type>();
foreach (string aqTypeName in codeSchema.TypeProperties.Keys)
{
string typeName = aqTypeName.UpTo(",");
Type type = ContentTypeHierarchy.GetAnyType(typeName);
if (type == null)
{
type = Type.GetType(aqTypeName);
otherTypes.Add(aqTypeName, type);
}
}
foreach (string typeName in codeSchema.ContentTypes)
{
// Check it doesn't initialise with a null value for an object or list property
Type type = ContentTypeHierarchy.GetAnyType(typeName);
if (type == null)
{
type = otherTypes[typeName];
}
PropertyInfo nullProperty = new NoNullObjectCheck().Run(type);
// Exception for UniqueId of Summary
if (nullProperty != null && !(nullProperty.DeclaringType == typeof(Summary) && nullProperty.Name == "UniqueId"))
{
changeProblems.Add(new ChangeProblem(type.FullName, nullProperty.Name, ChangeProblemType.NullObjectValue));
}
}
// Types existing in both code and data schemas
foreach (string aqTypeName in codeSchema.TypeProperties.Keys.Intersect(TypeProperties.Keys))
{
string typeName = aqTypeName.UpTo(",");
bool isSummary = ContentTypeHierarchy.GetSummaryType(typeName) != null;
if (isSummary && !this.SummaryMap.ContainsKey(typeName))
{
log.Warn("Unused summary type: " + typeName);
continue;
}
foreach (string deletedProp in TypeProperties[aqTypeName].Keys.Except(codeSchema.TypeProperties[aqTypeName].Keys))
{
if (isSummary)
{
// Test for when a property is dropped from the summary which was mapped to the content type
// In this case the property data needs copied from the Summary db field to the Content one
if (this.SummaryMap[typeName].ContainsValue(deletedProp) &&
this.SummaryTypes.ContainsValue(typeName))
{
var oldContentProp = this.SummaryMap[typeName].Single(kvp => kvp.Value == deletedProp).Key;
bool anyContentTypeHadProperty = this.SummaryTypes
.Where(kvp => kvp.Value == typeName)
.Any(kvp => TypeProperties[ContentTypeHierarchy.GetContentType(kvp.Key).AssemblyQualifiedName].ContainsKey(oldContentProp));
if (anyContentTypeHadProperty)
{
changeProblems.Add(new ChangeProblem(typeName, deletedProp, ChangeProblemType.PropertyDroppedFromSummary));
}
}
}
else
{
changeProblems.Add(new ChangeProblem(typeName, deletedProp, ChangeProblemType.PropertyDropped));
}
}
foreach (string addedProp in codeSchema.TypeProperties[aqTypeName].Keys.Except(TypeProperties[aqTypeName].Keys))
{
if (isSummary)
{
// Test for when a property is added to the summary which is mapped from the content type
// In this case the data needs copied from the Content db field to the Summary
if (codeSchema.SummaryMap[typeName].ContainsValue(addedProp) &&
codeSchema.SummaryTypes.ContainsValue(typeName))
{
var newContentProp = codeSchema.SummaryMap[typeName].Single(kvp => kvp.Value == addedProp).Key;
var anyContentTypeContainedProp = codeSchema.SummaryTypes
.Where(kvp => kvp.Value == typeName)
.Any(kvp => TypeProperties[ContentTypeHierarchy.GetContentType(kvp.Key).AssemblyQualifiedName].ContainsKey(newContentProp));
if (anyContentTypeContainedProp)
{
changeProblems.Add(new ChangeProblem(typeName, addedProp, ChangeProblemType.PropertyAddedToSummary));
}
}
}
}
}
return(changeProblems);
}