public async Task Invoke(InvokeContext <TService> ctx)
{
IDataHelper <TService> dataHelper = ctx.ServiceContainer.GetDataHelper();
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
MethodDescription method = metadata.GetInvokeMethod(ctx.Request.methodName);
List <object> methParams = new List <object>();
for (int i = 0; i < method.parameters.Count; ++i)
{
methParams.Add(ctx.Request.paramInfo.GetValue(method.parameters[i].name, method, dataHelper));
}
RequestContext req = InvokeContext <TService> .CreateRequestContext(ctx.Service);
using (RequestCallContext callContext = new RequestCallContext(req))
{
MethodInfoData methodData = method.GetMethodData();
object instance = serviceHelper.GetMethodOwner(methodData);
object invokeRes = methodData.MethodInfo.Invoke(instance, methParams.ToArray());
object methodResult = await serviceHelper.GetMethodResult(invokeRes);
if (method.methodResult)
{
ctx.Response.result = methodResult;
}
}
await _next(ctx);
}
public virtual string GenerateScript(string comment = null, bool isDraft = false)
{
RunTimeMetadata metadata = Owner.GetMetadata();
TypeScriptHelper helper = new TypeScriptHelper(_serializer, _dataHelper, _valueConverter, metadata, _clientTypes());
return(helper.CreateTypeScript(comment));
}
public async Task Invoke(CRUDContext <TService> ctx)
{
IAuthorizer <TService> authorizer = ctx.ServiceContainer.GetAuthorizer();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
foreach (DbSet dbSet in ctx.Request.dbSets)
{
//methods on domain service which are attempted to be executed by client (SaveChanges triggers their execution)
Dictionary <string, MethodInfoData> domainServiceMethods = new Dictionary <string, MethodInfoData>();
DbSetInfo dbInfo = metadata.DbSets[dbSet.dbSetName];
dbSet.rows.Aggregate <RowInfo, Dictionary <string, MethodInfoData> >(domainServiceMethods, (dict, rowInfo) =>
{
MethodInfoData method = rowInfo.GetCRUDMethodInfo(metadata, dbInfo.dbSetName);
if (method == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_REC_CHANGETYPE_INVALID,
dbInfo.GetEntityType().Name, rowInfo.changeType));
}
string dicKey = string.Format("{0}:{1}", method.OwnerType.FullName, method.MethodInfo.Name);
if (!dict.ContainsKey(dicKey))
{
dict.Add(dicKey, method);
}
return(dict);
});
await authorizer.CheckUserRightsToExecute(domainServiceMethods.Values);
}
await _next(ctx);
}
public async Task Invoke(RefreshContext <TService> ctx)
{
DbSetInfo dbSetInfo = ctx.Request.GetDbSetInfo() ?? throw new InvalidOperationException($"Could not get the DbSet for {ctx.Request.dbSetName}");
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
RequestContext req = RefreshContext <TService> .CreateRequestContext(ctx.Service, ctx.Request.rowInfo);
using (RequestCallContext callContext = new RequestCallContext(req))
{
MethodInfoData methodData = metadata.GetOperationMethodInfo(ctx.Request.dbSetName, MethodType.Refresh);
object instance = serviceHelper.GetMethodOwner(methodData);
object invokeRes = methodData.MethodInfo.Invoke(instance, new object[] { ctx.Request });
object dbEntity = await serviceHelper.GetMethodResult(invokeRes);
if (dbEntity != null)
{
serviceHelper.UpdateRowInfoFromEntity(dbEntity, ctx.Request.rowInfo);
}
else
{
throw new InvalidOperationException($"Refresh Operation for {ctx.Request.dbSetName} did not return a result");
}
}
await _next(ctx);
}
public async Task UpdateEntity(RunTimeMetadata metadata, RowInfo rowInfo)
{
DbSetInfo dbSetInfo = rowInfo.GetDbSetInfo();
if (rowInfo.changeType != ChangeType.Updated)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_REC_CHANGETYPE_INVALID,
dbSetInfo.GetEntityType().Name, rowInfo.changeType));
}
MethodInfoData methodData = metadata.GetOperationMethodInfo(dbSetInfo.dbSetName, MethodType.Update);
if (methodData == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_DB_UPDATE_NOT_IMPLEMENTED,
dbSetInfo.GetEntityType().Name, GetType().Name));
}
object dbEntity = Activator.CreateInstance(dbSetInfo.GetEntityType());
UpdateEntityFromRowInfo(dbEntity, rowInfo, false);
object original = GetOriginalEntity(dbEntity, rowInfo);
rowInfo.GetChangeState().Entity = dbEntity;
rowInfo.GetChangeState().OriginalEntity = original;
object instance = GetMethodOwner(methodData);
//apply this changes to entity that is in the database (this is done in user domain service method)
object res = methodData.MethodInfo.Invoke(instance, new[] { dbEntity });
if (res is Task)
{
await(res as Task);
}
}
public async Task <Permissions> ServiceGetPermissions()
{
try
{
await Task.CompletedTask;
RunTimeMetadata metadata = GetMetadata();
Permissions result = new Permissions()
{
serverTimezone = DateTimeHelper.GetTimezoneOffset()
};
IAuthorizer authorizer = ServiceContainer.Authorizer;
foreach (DbSetInfo dbInfo in metadata.DbSets.Values)
{
DbSetPermit permissions = await authorizer.GetDbSetPermissions(metadata, dbInfo.dbSetName);
result.permissions.Add(permissions);
}
return(result);
}
catch (Exception ex)
{
_OnError(ex);
throw new DummyException(ex.GetFullMessage(), ex);
}
}
public async Task DeleteEntity(RunTimeMetadata metadata, RowInfo rowInfo)
{
DbSetInfo dbSetInfo = rowInfo.GetDbSetInfo();
if (rowInfo.changeType != ChangeType.Deleted)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_REC_CHANGETYPE_INVALID,
dbSetInfo.GetEntityType().Name, rowInfo.changeType));
}
MethodInfoData methodData = metadata.GetOperationMethodInfo(dbSetInfo.dbSetName, MethodType.Delete);
if (methodData == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_DB_DELETE_NOT_IMPLEMENTED,
dbSetInfo.GetEntityType().Name, GetType().Name));
}
object dbEntity = Activator.CreateInstance(dbSetInfo.GetEntityType());
UpdateEntityFromRowInfo(dbEntity, rowInfo, true);
rowInfo.GetChangeState().Entity = dbEntity;
rowInfo.GetChangeState().OriginalEntity = dbEntity;
object instance = GetMethodOwner(methodData);
object res = methodData.MethodInfo.Invoke(instance, new[] { dbEntity });
if (res is Task)
{
await(res as Task);
}
}
public async Task Invoke(QueryContext <TService> ctx)
{
Security.IAuthorizer <TService> authorizer = ctx.ServiceContainer.GetAuthorizer();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
MethodDescription method = metadata.GetQueryMethod(ctx.Request.dbSetName, ctx.Request.queryName);
await authorizer.CheckUserRightsToExecute(method.GetMethodData());
await _next(ctx);
}
private async Task Delete(CRUDContext <TService> ctx, RunTimeMetadata metadata, ChangeSetRequest changeSet, RowInfo rowInfo)
{
TService service = ctx.Service;
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
CheckRowInfo(rowInfo);
using (RequestCallContext callContext = new RequestCallContext(CRUDContext <TService> .CreateRequestContext(service, changeSet, rowInfo)))
{
rowInfo.SetChangeState(new EntityChangeState());
await serviceHelper.DeleteEntity(metadata, rowInfo);;
}
}
public TypeScriptHelper(ISerializer serializer,
IDataHelper dataHelper,
IValueConverter valueConverter,
RunTimeMetadata metadata,
IEnumerable <Type> clientTypes)
{
_serializer = serializer ?? throw new ArgumentNullException(nameof(serializer));
_dataHelper = dataHelper ?? throw new ArgumentNullException(nameof(dataHelper));
_valueConverter = valueConverter ?? throw new ArgumentNullException(nameof(valueConverter));
_metadata = metadata ?? throw new ArgumentNullException(nameof(metadata));
_clientTypes = new List <Type>(clientTypes ?? Enumerable.Empty <Type>());
_dbSets = _metadata.DbSets.Values.OrderBy(v => v.dbSetName).ToList();
_associations = _metadata.Associations.Values.OrderBy(a => a.name).ToList();
}
private async Task Insert(CRUDContext <TService> ctx, RunTimeMetadata metadata, ChangeSetRequest changeSet, IChangeSetGraph graph, RowInfo rowInfo)
{
TService service = ctx.Service;
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
CheckRowInfo(rowInfo);
using (RequestCallContext callContext = new RequestCallContext(CRUDContext <TService> .CreateRequestContext(service, changeSet, rowInfo)))
{
rowInfo.SetChangeState(new EntityChangeState {
ParentRows = graph.GetParents(rowInfo)
});
await serviceHelper.InsertEntity(metadata, rowInfo);
}
}
public async Task Invoke(CRUDContext <TService> ctx)
{
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
ChangeSetRequest changeSet = ctx.Request;
ChangeSetGraph graph = new ChangeSetGraph(ctx.Request, metadata);
graph.Prepare();
ctx.Properties.Add(CRUDContext <TService> .CHANGE_GRAPH_KEY, graph);
RowInfo currentRowInfo = null;
try
{
foreach (RowInfo rowInfo in graph.InsertList)
{
currentRowInfo = rowInfo;
await Insert(ctx, metadata, changeSet, graph, rowInfo);
}
foreach (RowInfo rowInfo in graph.UpdateList)
{
currentRowInfo = rowInfo;
await Update(ctx, metadata, changeSet, rowInfo);
}
foreach (RowInfo rowInfo in graph.DeleteList)
{
currentRowInfo = rowInfo;
await Delete(ctx, metadata, changeSet, rowInfo);
}
}
catch (Exception ex)
{
if (currentRowInfo != null)
{
object dbEntity = currentRowInfo.GetChangeState()?.Entity;
currentRowInfo.SetChangeState(new EntityChangeState {
Entity = dbEntity, Error = ex
});
}
throw;
}
await _next(ctx);
}
public static string CreateMethods(RunTimeMetadata metadata, DbContext DB)
{
StringBuilder sb = new StringBuilder(4096);
System.Collections.Generic.List <DbSetInfo> dbSets = metadata.DbSets.Values.OrderBy(d => d.dbSetName).ToList();
dbSets.ForEach(dbSetInfo =>
{
string tableName = GetTableName(DB, dbSetInfo.GetEntityType());
if (tableName == string.Empty)
{
return;
}
sb.AppendLine(CreateDbSetMethods(dbSetInfo, tableName));
});
return(sb.ToString());
}
public object GetMethodOwner(MethodInfoData methodData)
{
if (!methodData.IsInDataManager)
{
return(_domainService);
}
if (methodData.EntityType == null)
{
return(_domainService);
}
RunTimeMetadata metadata = _domainService.GetMetadata();
object managerInstance = _dataManagers.GetOrAdd(methodData.EntityType,
t => { return(_dataManagerContainer.GetDataManager(t)); });
return(managerInstance);
}
public MetadataResult ServiceGetMetadata()
{
try
{
RunTimeMetadata metadata = GetMetadata();
MetadataResult result = new MetadataResult()
{
methods = metadata.MethodDescriptions
};
result.associations.AddRange(metadata.Associations.Values);
result.dbSets.AddRange(metadata.DbSets.Values.OrderBy(d => d.dbSetName));
return(result);
}
catch (Exception ex)
{
_OnError(ex);
throw new DummyException(ex.GetFullMessage(), ex);
}
}
public async Task Invoke(CRUDContext <TService> ctx)
{
RunTimeMetadata metadata = ctx.Service.GetMetadata();
ChangeSetRequest changeSet = ctx.Request;
IChangeSetGraph graph = ctx.Properties.Get <IChangeSetGraph>(CRUDContext <TService> .CHANGE_GRAPH_KEY) ?? throw new InvalidOperationException("Could not get Graph changes from properties");
if (!await ValidateRows(ctx, changeSet, metadata, graph.InsertList))
{
throw new ValidationException(ErrorStrings.ERR_SVC_CHANGES_ARENOT_VALID);
}
if (!await ValidateRows(ctx, changeSet, metadata, graph.UpdateList))
{
throw new ValidationException(ErrorStrings.ERR_SVC_CHANGES_ARENOT_VALID);
}
await _next(ctx);
}
public async Task Invoke(RefreshContext <TService> ctx)
{
DbSetInfo dbSetInfo = ctx.Request.GetDbSetInfo() ?? throw new InvalidOperationException($"Could not get the DbSet for {ctx.Request.dbSetName}");
Security.IAuthorizer <TService> authorizer = ctx.ServiceContainer.GetAuthorizer();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
MethodInfoData methodData = metadata.GetOperationMethodInfo(ctx.Request.dbSetName, MethodType.Refresh);
if (methodData == null)
{
throw new InvalidOperationException(string.Format(ErrorStrings.ERR_REC_REFRESH_INVALID,
dbSetInfo.GetEntityType().Name, GetType().Name));
}
await authorizer.CheckUserRightsToExecute(methodData);
await _next(ctx);
}
public async Task Invoke(QueryContext <TService> ctx)
{
DbSetInfo dbSetInfo = ctx.Request.GetDbSetInfo() ?? throw new InvalidOperationException($"Could not get the DbSet for {ctx.Request.dbSetName}");
IDataHelper <TService> dataHelper = ctx.ServiceContainer.GetDataHelper();
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
MethodDescription method = metadata.GetQueryMethod(ctx.Request.dbSetName, ctx.Request.queryName);
LinkedList <object> methParams = new LinkedList <object>();
for (int i = 0; i < method.parameters.Count; ++i)
{
methParams.AddLast(ctx.Request.paramInfo.GetValue(method.parameters[i].name, method, dataHelper));
}
RequestContext req = QueryContext <TService> .CreateRequestContext(ctx.Service, ctx.Request);
using (RequestCallContext callContext = new RequestCallContext(req))
{
MethodInfoData methodData = method.GetMethodData();
object instance = serviceHelper.GetMethodOwner(methodData);
object invokeRes = methodData.MethodInfo.Invoke(instance, methParams.ToArray());
QueryResult queryResult = (QueryResult)await serviceHelper.GetMethodResult(invokeRes);
IEnumerable <object> entities = queryResult.Result;
int? totalCount = queryResult.TotalCount;
RowGenerator rowGenerator = new RowGenerator(dbSetInfo, entities, dataHelper);
IEnumerable <Row> rows = rowGenerator.CreateRows();
SubsetsGenerator subsetsGenerator = new SubsetsGenerator(metadata, dataHelper);
SubsetList subResults = subsetsGenerator.CreateSubsets(queryResult.subResults);
ctx.Response.names = dbSetInfo.GetNames();
ctx.Response.totalCount = totalCount;
ctx.Response.rows = rows;
ctx.Response.subsets = subResults;
ctx.Response.extraInfo = queryResult.extraInfo;
}
await _next(ctx);
}
public static MethodInfoData GetCRUDMethodInfo(this RowInfo rowInfo, RunTimeMetadata metadata, string dbSetName)
{
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);
}
public ChangeSetGraph(ChangeSetRequest changeSet, RunTimeMetadata metadata)
{
ChangeSet = changeSet ?? throw new ArgumentNullException(nameof(changeSet));
_metadata = metadata ?? throw new ArgumentNullException(nameof(metadata));
}
public static async Task <bool> CanAccessOperation(this IAuthorizer authorizer, RunTimeMetadata metadata, string dbSetName, MethodType methodType)
{
MethodInfoData method = metadata.GetOperationMethodInfo(dbSetName, methodType);
return(method != null && await authorizer.CanAccessMethod(method));
}
public static async Task <DbSetPermit> GetDbSetPermissions(this IAuthorizer authorizer, RunTimeMetadata metadata, string dbSetName)
{
return(new DbSetPermit()
{
dbSetName = dbSetName,
canAddRow = await authorizer.CanAccessOperation(metadata, dbSetName, MethodType.Insert),
canEditRow = await authorizer.CanAccessOperation(metadata, dbSetName, MethodType.Update),
canDeleteRow = await authorizer.CanAccessOperation(metadata, dbSetName, MethodType.Delete),
canRefreshRow = await authorizer.CanAccessOperation(metadata, dbSetName, MethodType.Refresh)
});
}
private async Task <bool> ValidateRows(CRUDContext <TService> ctx, ChangeSetRequest changeSet, RunTimeMetadata metadata, IEnumerable <RowInfo> rows)
{
TService service = ctx.Service;
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
foreach (RowInfo rowInfo in rows)
{
RequestContext req = CRUDContext <TService> .CreateRequestContext(service, changeSet, rowInfo);
using (RequestCallContext callContext = new RequestCallContext(req))
{
if (!await serviceHelper.ValidateEntity(metadata, req))
{
rowInfo.invalid = rowInfo.GetChangeState().ValidationErrors;
return(false);
}
}
}
return(true);
}
public SubsetsGenerator(RunTimeMetadata metadata, IDataHelper dataHelper)
{
_metadata = metadata ?? throw new ArgumentNullException(nameof(metadata));
_dataHelper = dataHelper ?? throw new ArgumentNullException(nameof(dataHelper));
}
public async Task <bool> ValidateEntity(RunTimeMetadata metadata, RequestContext requestContext)
{
RowInfo rowInfo = requestContext.CurrentRowInfo;
DbSetInfo dbSetInfo = rowInfo.GetDbSetInfo();
IEnumerable <ValidationErrorInfo> errs1 = null;
IEnumerable <ValidationErrorInfo> errs2 = null;
LinkedList <string> mustBeChecked = new LinkedList <string>();
LinkedList <string> skipCheckList = new LinkedList <string>();
if (rowInfo.changeType == ChangeType.Added)
{
foreach (ParentChildNode pn in rowInfo.GetChangeState().ParentRows)
{
foreach (FieldRel frel in pn.Association.fieldRels)
{
skipCheckList.AddLast(frel.childField);
}
}
}
foreach (Field fieldInfo in dbSetInfo.fieldInfos)
{
_dataHelper.ForEachFieldInfo("", fieldInfo, (fullName, f) =>
{
if (!f.GetIsIncludeInResult())
{
return;
}
if (f.fieldType == FieldType.Object || f.fieldType == FieldType.ServerCalculated)
{
return;
}
string value = _dataHelper.SerializeField(rowInfo.GetChangeState().Entity, fullName, f);
switch (rowInfo.changeType)
{
case ChangeType.Added:
{
bool isSkip = f.isAutoGenerated || skipCheckList.Any(n => n == fullName);
if (!isSkip)
{
_validationHelper.CheckValue(f, value);
mustBeChecked.AddLast(fullName);
}
}
break;
case ChangeType.Updated:
{
bool isChanged = isEntityValueChanged(rowInfo, fullName, f, out string newVal);
if (isChanged)
{
_validationHelper.CheckValue(f, newVal);
mustBeChecked.AddLast(fullName);
}
}
break;
}
});
}
rowInfo.GetChangeState().ChangedFieldNames = mustBeChecked.ToArray();
MethodInfoData methodData = metadata.GetOperationMethodInfo(dbSetInfo.dbSetName, MethodType.Validate);
if (methodData != null)
{
object instance = GetMethodOwner(methodData);
object invokeRes = methodData.MethodInfo.Invoke(instance,
new[] { rowInfo.GetChangeState().Entity, rowInfo.GetChangeState().ChangedFieldNames });
errs1 = (IEnumerable <ValidationErrorInfo>) await GetMethodResult(invokeRes);
}
if (errs1 == null)
{
errs1 = Enumerable.Empty <ValidationErrorInfo>();
}
IValidator validator = _validatorsContainer.GetValidator(rowInfo.GetDbSetInfo().GetEntityType());
if (validator != null)
{
errs2 = await validator.ValidateModelAsync(rowInfo.GetChangeState().Entity,
rowInfo.GetChangeState().ChangedFieldNames);
}
if (errs2 == null)
{
errs2 = Enumerable.Empty <ValidationErrorInfo>();
}
errs1 = errs1.Concat(errs2);
rowInfo.GetChangeState().ValidationErrors = errs1.ToArray();
return(rowInfo.GetChangeState().ValidationErrors.Length == 0);
}
