public void DeleteEntity(CachedMetadata metadata, RowInfo rowInfo)
{
var dbSetInfo = rowInfo.dbSetInfo;
if (rowInfo.changeType != ChangeType.Deleted)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_REC_CHANGETYPE_INVALID,
dbSetInfo.EntityType.Name, rowInfo.changeType));
}
var methodData = metadata.getOperationMethodInfo(dbSetInfo.dbSetName, MethodType.Delete);
if (methodData == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_DB_DELETE_NOT_IMPLEMENTED,
dbSetInfo.EntityType.Name, GetType().Name));
}
var dbEntity = Activator.CreateInstance(dbSetInfo.EntityType);
UpdateEntityFromRowInfo(dbEntity, rowInfo, true);
rowInfo.changeState.Entity = dbEntity;
rowInfo.changeState.OriginalEntity = dbEntity;
var instance = GetMethodOwner(methodData);
methodData.methodInfo.Invoke(instance, new[] { dbEntity });
}
public virtual string GetScript(string comment = null, bool isDraft = false)
{
CachedMetadata metadata = MetadataHelper.GetInitializedMetadata(this._owner);
var helper = new TypeScriptHelper(this._owner.ServiceContainer, metadata, this._clientTypes);
return(helper.CreateTypeScript(comment));
}
public void UpdateEntity(CachedMetadata metadata, RowInfo rowInfo)
{
var dbSetInfo = rowInfo.dbSetInfo;
if (rowInfo.changeType != ChangeType.Updated)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_REC_CHANGETYPE_INVALID,
dbSetInfo.EntityType.Name, rowInfo.changeType));
}
var methodData = metadata.getOperationMethodInfo(dbSetInfo.dbSetName, MethodType.Update);
if (methodData == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_DB_UPDATE_NOT_IMPLEMENTED,
dbSetInfo.EntityType.Name, GetType().Name));
}
var dbEntity = Activator.CreateInstance(dbSetInfo.EntityType);
UpdateEntityFromRowInfo(dbEntity, rowInfo, false);
var original = GetOriginalEntity(dbEntity, rowInfo);
rowInfo.changeState.Entity = dbEntity;
rowInfo.changeState.OriginalEntity = original;
var instance = GetMethodOwner(methodData);
//apply this changes to entity that is in the database (this is done in user domain service method)
methodData.methodInfo.Invoke(instance, new[] { dbEntity });
}
public TypeScriptHelper(IServiceContainer serviceContainer, CachedMetadata metadata,
IEnumerable <Type> clientTypes)
{
if (serviceContainer == null)
{
throw new ArgumentException("converter parameter must not be null", "serviceContainer");
}
_serviceContainer = serviceContainer;
if (metadata == null)
{
throw new ArgumentException("metadata parameter must not be null", "metadata");
}
_metadata = metadata;
_serializer = _serviceContainer.Serializer;
_clientTypes = new List <Type>(clientTypes == null ? Enumerable.Empty <Type>() : clientTypes);
_dbSets = _metadata.dbSets.Values.OrderBy(v => v.dbSetName).ToList();
_associations = _metadata.associations.Values.OrderBy(a => a.name).ToList();
}
public static DbSetPermit GetDbSetPermissions(CachedMetadata metadata, string dbSetName, IAuthorizer authorizer)
{
MethodInfoData method = null;
var permit = new DbSetPermit();
permit.dbSetName = dbSetName;
method = metadata.getOperationMethodInfo(dbSetName, MethodType.Insert);
permit.canAddRow = method != null && CanAccessMethod(method, authorizer);
method = metadata.getOperationMethodInfo(dbSetName, MethodType.Update);
permit.canEditRow = method != null && CanAccessMethod(method, authorizer);
method = metadata.getOperationMethodInfo(dbSetName, MethodType.Delete);
permit.canDeleteRow = method != null && CanAccessMethod(method, authorizer);
method = metadata.getOperationMethodInfo(dbSetName, MethodType.Refresh);
permit.canRefreshRow = method != null && CanAccessMethod(method, authorizer);
return(permit);
}
public static MethodInfoData GetCRUDMethodInfo(CachedMetadata metadata, string dbSetName, RowInfo rowInfo)
{
MethodInfoData method = null;
switch (rowInfo.changeType)
{
case ChangeType.Added:
method = metadata.getOperationMethodInfo(dbSetName, MethodType.Insert);
break;
case ChangeType.Deleted:
method = metadata.getOperationMethodInfo(dbSetName, MethodType.Delete);
break;
case ChangeType.Updated:
method = metadata.getOperationMethodInfo(dbSetName, MethodType.Update);
break;
default:
throw new DomainServiceException(string.Format(ErrorStrings.ERR_REC_CHANGETYPE_INVALID, dbSetName,
rowInfo.changeType));
}
return(method);
}
private static CachedMetadata CreateCachedMetadata(BaseDomainService domainService)
{
Metadata metadata = domainService.GetMetadata(false);
CachedMetadata cachedMetadata = new CachedMetadata();
foreach (var dbSetInfo in metadata.DbSets)
{
dbSetInfo.Initialize(domainService.ServiceContainer);
//indexed by dbSetName
cachedMetadata.dbSets.Add(dbSetInfo.dbSetName, dbSetInfo);
}
MetadataHelper.ProcessMethodDescriptions(domainService, cachedMetadata);
MetadataHelper.CheckDataServiceMethods(domainService, cachedMetadata);
foreach (var assoc in metadata.Associations)
{
if (string.IsNullOrWhiteSpace(assoc.name))
{
throw new DomainServiceException(ErrorStrings.ERR_ASSOC_EMPTY_NAME);
}
if (!cachedMetadata.dbSets.ContainsKey(assoc.parentDbSetName))
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_ASSOC_INVALID_PARENT, assoc.name, assoc.parentDbSetName));
}
if (!cachedMetadata.dbSets.ContainsKey(assoc.childDbSetName))
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_ASSOC_INVALID_CHILD, assoc.name, assoc.childDbSetName));
}
var childDb = cachedMetadata.dbSets[assoc.childDbSetName];
var parentDb = cachedMetadata.dbSets[assoc.parentDbSetName];
var parentDbFields = parentDb.GetFieldByNames();
var childDbFields = childDb.GetFieldByNames();
//check navigation field
//dont allow to define it explicitly, the association adds the field by itself (implicitly)
if (!string.IsNullOrEmpty(assoc.childToParentName) && childDbFields.ContainsKey(assoc.childToParentName))
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_ASSOC_INVALID_NAV_FIELD, assoc.name, assoc.childToParentName));
}
//check navigation field
//dont allow to define it explicitly, the association adds the field by itself (implicitly)
if (!string.IsNullOrEmpty(assoc.parentToChildrenName) && parentDbFields.ContainsKey(assoc.parentToChildrenName))
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_ASSOC_INVALID_NAV_FIELD, assoc.name, assoc.parentToChildrenName));
}
if (!string.IsNullOrEmpty(assoc.parentToChildrenName) && !string.IsNullOrEmpty(assoc.childToParentName) && assoc.childToParentName == assoc.parentToChildrenName)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_ASSOC_INVALID_NAV_FIELD, assoc.name, assoc.parentToChildrenName));
}
foreach (var frel in assoc.fieldRels)
{
if (!parentDbFields.ContainsKey(frel.parentField))
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_ASSOC_INVALID_PARENT_FIELD, assoc.name, frel.parentField));
}
if (!childDbFields.ContainsKey(frel.childField))
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_ASSOC_INVALID_CHILD_FIELD, assoc.name, frel.childField));
}
}
//indexed by Name
cachedMetadata.associations.Add(assoc.name, assoc);
if (!string.IsNullOrEmpty(assoc.childToParentName))
{
var sb = new System.Text.StringBuilder(120);
var dependentOn = assoc.fieldRels.Aggregate(sb, (a, b) => a.Append((a.Length == 0 ? "" : ",") + b.childField), a => a).ToString();
//add navigation field to dbSet's field collection
childDb.fieldInfos.Add(new Field()
{
fieldName = assoc.childToParentName,
fieldType = FieldType.Navigation,
dataType = DataType.None,
dependentOn = dependentOn,
_TypeScriptDataType = TypeScriptHelper.GetEntityTypeName(parentDb.dbSetName)
});
}
if (!string.IsNullOrEmpty(assoc.parentToChildrenName))
{
var sb = new System.Text.StringBuilder(120);
//add navigation field to dbSet's field collection
parentDb.fieldInfos.Add(new Field()
{
fieldName = assoc.parentToChildrenName,
fieldType = FieldType.Navigation,
dataType = DataType.None,
_TypeScriptDataType = string.Format("{0}[]", TypeScriptHelper.GetEntityTypeName(childDb.dbSetName))
});
}
} //foreach (var assoc in metadata.Associations)
return cachedMetadata;
}
/// <summary>
/// Test if public methods on the service has Invoke or Query Attribute
/// and generates from this methods their invocation method descriptions
/// </summary>
/// <returns></returns>
private static void ProcessMethodDescriptions(BaseDomainService domainService, CachedMetadata metadata)
{
Type thisType= domainService.GetType();
IServiceContainer services = domainService.ServiceContainer;
Func<MethodInfo, MethodType> fn_getMethodType = (m) =>
{
if (m.IsDefined(typeof(QueryAttribute), false))
return MethodType.Query;
else if (m.IsDefined(typeof(InvokeAttribute), false))
return MethodType.Invoke;
else if (m.IsDefined(typeof(InsertAttribute), false))
return MethodType.Insert;
else if (m.IsDefined(typeof(UpdateAttribute), false))
return MethodType.Update;
else if (m.IsDefined(typeof(DeleteAttribute), false))
return MethodType.Delete;
else if (m.IsDefined(typeof(ValidateAttribute), false))
return MethodType.Validate;
else if (m.IsDefined(typeof(RefreshAttribute), false))
return MethodType.Refresh;
else
return MethodType.None;
};
var dbsetsLookUp = metadata.dbSets.Values.ToLookup(v => v.EntityType);
var dbsetsByType = dbsetsLookUp.ToDictionary(v => v.Key);
var methodInfos = thisType.GetMethods(BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.Public);
var allList = methodInfos.Select(m => new { method = m, methodType = fn_getMethodType(m) });
var queryAndInvokes = allList.Where((info) => info.methodType == MethodType.Query || info.methodType == MethodType.Invoke).ToArray();
MethodsList methodList = new MethodsList();
Array.ForEach(queryAndInvokes, (info) =>
{
methodList.Add(MethodDescription.FromMethodInfo(info.method, info.methodType, services));
});
metadata.InitMethods(methodList);
var otherMethods = allList.Where((info) => !(info.methodType == MethodType.Query || info.methodType == MethodType.Invoke || info.methodType == MethodType.None)).ToArray();
Array.ForEach(otherMethods, (info) =>
{
Type entityType = null;
if (info.methodType == MethodType.Refresh)
{
entityType = RemoveTaskFromType(info.method.ReturnType);
}
else
{
entityType = info.method.GetParameters().First().ParameterType;
}
IGrouping<Type, DbSetInfo> dbSets = null;
if (!dbsetsByType.TryGetValue(entityType, out dbSets))
return;
foreach (var dbSet in dbSets)
{
switch (info.methodType)
{
case MethodType.Insert:
dbSet.insertDataMethod = info.method.Name;
break;
case MethodType.Update:
dbSet.updateDataMethod = info.method.Name;
break;
case MethodType.Delete:
dbSet.deleteDataMethod = info.method.Name;
break;
case MethodType.Validate:
dbSet.validateDataMethod = info.method.Name;
break;
case MethodType.Refresh:
dbSet.refreshDataMethod = info.method.Name;
break;
default:
throw new DomainServiceException(string.Format("Unknown Method Type: {0}", info.methodType));
}
}
});
}
private static void CheckDataServiceMethods(BaseDomainService domainService, CachedMetadata metadata)
{
StringBuilder sb = new StringBuilder();
foreach (var dbSet in metadata.dbSets.Values)
{
try
{
MetadataHelper.CheckMethod(domainService, dbSet, MethodType.Insert);
MetadataHelper.CheckMethod(domainService, dbSet, MethodType.Update);
MetadataHelper.CheckMethod(domainService, dbSet, MethodType.Delete);
MetadataHelper.CheckMethod(domainService, dbSet, MethodType.Validate);
MetadataHelper.CheckMethod(domainService, dbSet, MethodType.Refresh);
}
catch (DomainServiceException ex)
{
sb.AppendLine(ex.Message);
}
}
if (sb.Length > 0)
throw new DomainServiceException(sb.ToString());
}
public ServiceConfig(CachedMetadata metadata)
{
_metadata = metadata;
}
public ChangeSetGraph(ChangeSet changeSet, CachedMetadata metadata)
{
this._changeSet = changeSet;
this._metadata = metadata;
}
public async Task <bool> ValidateEntity(CachedMetadata metadata, RequestContext requestContext)
{
var validatorsContainer = metadata.ValidatorsContainer;
var rowInfo = requestContext.CurrentRowInfo;
var dbSetInfo = rowInfo.dbSetInfo;
IEnumerable <ValidationErrorInfo> errs1 = null;
IEnumerable <ValidationErrorInfo> errs2 = null;
var mustBeChecked = new LinkedList <string>();
LinkedList <string> skipCheckList = null;
var dataHelper = _services.DataHelper;
var validationHelper = _services.ValidationHelper;
if (rowInfo.changeType == ChangeType.Added)
{
skipCheckList = new LinkedList <string>();
foreach (var pn in rowInfo.changeState.ParentRows)
{
foreach (var frel in pn.association.fieldRels)
{
skipCheckList.AddLast(frel.childField);
}
}
}
foreach (var fieldInfo in dbSetInfo.fieldInfos)
{
dataHelper.ForEachFieldInfo("", fieldInfo, (fullName, f) =>
{
if (!f.GetIsIncludeInResult())
{
return;
}
if (f.fieldType == FieldType.Object || f.fieldType == FieldType.ServerCalculated)
{
return;
}
var value = dataHelper.SerializeField(rowInfo.changeState.Entity, fullName, f);
if (rowInfo.changeType == ChangeType.Added)
{
var isSkip = f.isAutoGenerated ||
(skipCheckList != null && skipCheckList.Any(n => n == fullName));
if (!isSkip)
{
validationHelper.CheckValue(f, value);
mustBeChecked.AddLast(fullName);
}
}
else if (rowInfo.changeType == ChangeType.Updated)
{
string newVal;
var isChanged = isEntityValueChanged(rowInfo, fullName, f, out newVal);
if (isChanged)
{
validationHelper.CheckValue(f, newVal);
}
if (isChanged)
{
mustBeChecked.AddLast(fullName);
}
}
});
}
rowInfo.changeState.NamesOfChangedFields = mustBeChecked.ToArray();
var methodData = metadata.getOperationMethodInfo(dbSetInfo.dbSetName, MethodType.Validate);
if (methodData != null)
{
var instance = GetMethodOwner(methodData);
var invokeRes = methodData.methodInfo.Invoke(instance,
new[] { rowInfo.changeState.Entity, rowInfo.changeState.NamesOfChangedFields });
errs1 = (IEnumerable <ValidationErrorInfo>) await GetMethodResult(invokeRes).ConfigureAwait(false);
}
if (errs1 == null)
{
errs1 = Enumerable.Empty <ValidationErrorInfo>();
}
var validator = validatorsContainer.GetValidator(requestContext, rowInfo.dbSetInfo.EntityType);
if (validator != null)
{
errs2 =
await
validator.ValidateModelAsync(rowInfo.changeState.Entity,
rowInfo.changeState.NamesOfChangedFields);
}
if (errs2 == null)
{
errs2 = Enumerable.Empty <ValidationErrorInfo>();
}
errs1 = errs1.Concat(errs2);
if (errs1 != null && errs1.Count() > 0)
{
rowInfo.changeState.ValidationErrors = errs1.ToArray();
return(false);
}
return(true);
}
public ChangeSetGraph(ChangeSet changeSet, CachedMetadata metadata)
{
this.changeSet = changeSet;
_metadata = metadata;
}