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Add nullability to web.common

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This commit is contained in:
Nikolaj Geisle
2022-03-29 13:44:21 +02:00
parent 86ae730b1e
commit b52c4e50cf
151 changed files with 731 additions and 675 deletions
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79
src/Umbraco.Web.Common/ModelsBuilder/InMemoryModelFactory.cs
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@@ -34,12 +34,12 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
private bool _pendingRebuild;
private readonly IProfilingLogger _profilingLogger;
private readonly ILogger<InMemoryModelFactory> _logger;
private readonly FileSystemWatcher _watcher;
private readonly FileSystemWatcher? _watcher;
private int _ver;
private int _skipver;
private int? _skipver;
private readonly int _debugLevel;
private RoslynCompiler _roslynCompiler;
private UmbracoAssemblyLoadContext _currentAssemblyLoadContext;
private RoslynCompiler? _roslynCompiler;
private UmbracoAssemblyLoadContext? _currentAssemblyLoadContext;
private readonly Lazy<UmbracoServices> _umbracoServices; // fixme: this is because of circular refs :(
private static readonly Regex s_assemblyVersionRegex = new Regex("AssemblyVersion\\(\"[0-9]+.[0-9]+.[0-9]+.[0-9]+\"\\)", RegexOptions.Compiled);
private static readonly string[] s_ourFiles = { "models.hash", "models.generated.cs", "all.generated.cs", "all.dll.path", "models.err", "Compiled" };
@@ -51,7 +51,7 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
private readonly ApplicationPartManager _applicationPartManager;
private static readonly Regex s_usingRegex = new Regex("^using(.*);", RegexOptions.Compiled | RegexOptions.Multiline);
private static readonly Regex s_aattrRegex = new Regex("^\\[assembly:(.*)\\]", RegexOptions.Compiled | RegexOptions.Multiline);
private readonly Lazy<string> _pureLiveDirectory;
private readonly Lazy<string> _pureLiveDirectory = null!;
private bool _disposedValue;
@@ -103,7 +103,7 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
AssemblyLoadContext.Default.Resolving += OnResolvingDefaultAssemblyLoadContext;
}
public event EventHandler ModelsChanged;
public event EventHandler? ModelsChanged;
private UmbracoServices UmbracoServices => _umbracoServices.Value;
@@ -113,7 +113,7 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
/// <remarks>
/// Can be null
/// </remarks>
public Assembly CurrentModelsAssembly { get; private set; }
public Assembly? CurrentModelsAssembly { get; private set; }
/// <inheritdoc />
public object SyncRoot { get; } = new object();
@@ -145,7 +145,7 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
/// This is required because the razor engine will only try to load things from the default context, it doesn't know anything
/// about our context so we need to proxy.
/// </remarks>
private Assembly OnResolvingDefaultAssemblyLoadContext(AssemblyLoadContext assemblyLoadContext, AssemblyName assemblyName)
private Assembly? OnResolvingDefaultAssemblyLoadContext(AssemblyLoadContext assemblyLoadContext, AssemblyName assemblyName)
=> assemblyName.Name == RoslynCompiler.GeneratedAssemblyName
? _currentAssemblyLoadContext?.LoadFromAssemblyName(assemblyName)
: null;
@@ -153,7 +153,7 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
public IPublishedElement CreateModel(IPublishedElement element)
{
// get models, rebuilding them if needed
Dictionary<string, ModelInfo> infos = EnsureModels()?.ModelInfos;
Dictionary<string, ModelInfo>? infos = EnsureModels()?.ModelInfos;
if (infos == null)
{
return element;
@@ -166,7 +166,7 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
infos.TryGetValue(contentTypeAlias, out var info);
// create model
return info == null ? element : info.Ctor(element, _publishedValueFallback);
return info is null || info.Ctor is null ? element : info.Ctor(element, _publishedValueFallback);
}
// this runs only once the factory is ready
@@ -179,30 +179,36 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
// this runs only once the factory is ready
// NOT when building models
public IList CreateModelList(string alias)
public IList CreateModelList(string? alias)
{
Infos infos = EnsureModels();
// fail fast
if (infos == null)
if (infos is null || alias is null)
{
return new List<IPublishedElement>();
}
if (!infos.ModelInfos.TryGetValue(alias, out ModelInfo modelInfo))
if (infos.ModelInfos is null || !infos.ModelInfos.TryGetValue(alias, out ModelInfo? modelInfo))
{
return new List<IPublishedElement>();
}
Func<IList> ctor = modelInfo.ListCtor;
Func<IList>? ctor = modelInfo.ListCtor;
if (ctor != null)
{
return ctor();
}
if (modelInfo.ModelType is null)
{
return new List<IPublishedElement>();
}
Type listType = typeof(List<>).MakeGenericType(modelInfo.ModelType);
ctor = modelInfo.ListCtor = ReflectionUtilities.EmitConstructor<Func<IList>>(declaring: listType);
return ctor();
return ctor is null ? new List<IPublishedElement>() : ctor();
}
/// <inheritdoc />
@@ -360,7 +366,7 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
_currentAssemblyLoadContext.Unload();
// we need to remove the current part too
ApplicationPart currentPart = _applicationPartManager.ApplicationParts.FirstOrDefault(x => x.Name == RoslynCompiler.GeneratedAssemblyName);
ApplicationPart? currentPart = _applicationPartManager.ApplicationParts.FirstOrDefault(x => x.Name == RoslynCompiler.GeneratedAssemblyName);
if (currentPart != null)
{
_applicationPartManager.ApplicationParts.Remove(currentPart);
@@ -454,14 +460,14 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
{
assembly = ReloadAssembly(dllPath);
ModelsBuilderAssemblyAttribute attr = assembly.GetCustomAttribute<ModelsBuilderAssemblyAttribute>();
ModelsBuilderAssemblyAttribute? attr = assembly.GetCustomAttribute<ModelsBuilderAssemblyAttribute>();
if (attr != null && attr.IsInMemory && attr.SourceHash == currentHash)
{
// if we were to resume at that revision, then _ver would keep increasing
// and that is probably a bad idea - so, we'll always rebuild starting at
// ver 1, but we remember we want to skip that one - so we never end up
// with the "same but different" version of the assembly in memory
_skipver = assembly.GetName().Version.Revision;
_skipver = assembly.GetName().Version?.Revision;
_logger.LogDebug("Loading cached models (dll).");
return assembly;
@@ -561,8 +567,13 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
if (File.Exists(dllPathFile))
{
var dllPath = File.ReadAllText(dllPathFile);
DirectoryInfo dirInfo = new DirectoryInfo(dllPath).Parent;
IEnumerable<FileInfo> files = dirInfo.GetFiles().Where(f => f.FullName != dllPath);
DirectoryInfo? dirInfo = new DirectoryInfo(dllPath).Parent;
IEnumerable<FileInfo>? files = dirInfo?.GetFiles().Where(f => f.FullName != dllPath);
if (files is null)
{
return;
}
foreach (FileInfo file in files)
{
try
@@ -626,8 +637,8 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
foreach (Type type in types)
{
ConstructorInfo constructor = null;
Type parameterType = null;
ConstructorInfo? constructor = null;
Type? parameterType = null;
foreach (ConstructorInfo ctor in type.GetConstructors())
{
@@ -649,12 +660,12 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
throw new InvalidOperationException($"Type {type.FullName} is missing a public constructor with one argument of type, or implementing, IPropertySet.");
}
PublishedModelAttribute attribute = type.GetCustomAttribute<PublishedModelAttribute>(false);
PublishedModelAttribute? attribute = type.GetCustomAttribute<PublishedModelAttribute>(false);
var typeName = attribute == null ? type.Name : attribute.ContentTypeAlias;
if (modelInfos.TryGetValue(typeName, out var modelInfo))
{
throw new InvalidOperationException($"Both types {type.FullName} and {modelInfo.ModelType.FullName} want to be a model type for content type with alias \"{typeName}\".");
throw new InvalidOperationException($"Both types {type.FullName} and {modelInfo.ModelType?.FullName} want to be a model type for content type with alias \"{typeName}\".");
}
// TODO: use Core's ReflectionUtilities.EmitCtor !!
@@ -800,8 +811,12 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
{
if (disposing)
{
_watcher.EnableRaisingEvents = false;
_watcher.Dispose();
if (_watcher is not null)
{
_watcher.EnableRaisingEvents = false;
_watcher.Dispose();
}
_locker.Dispose();
}
@@ -817,20 +832,20 @@ namespace Umbraco.Cms.Web.Common.ModelsBuilder
internal class Infos
{
public Dictionary<string, Type> ModelTypeMap { get; set; }
public Dictionary<string, Type>? ModelTypeMap { get; set; }
public Dictionary<string, ModelInfo> ModelInfos { get; set; }
public Dictionary<string, ModelInfo>? ModelInfos { get; set; }
}
internal class ModelInfo
{
public Type ParameterType { get; set; }
public Type? ParameterType { get; set; }
public Func<IPublishedElement, IPublishedValueFallback, IPublishedElement> Ctor { get; set; }
public Func<IPublishedElement, IPublishedValueFallback, IPublishedElement>? Ctor { get; set; }
public Type ModelType { get; set; }
public Type? ModelType { get; set; }
public Func<IList> ListCtor { get; set; }
public Func<IList>? ListCtor { get; set; }
}
}
}