public async Task <TResult> ExecuteUpdateAsync <TEntity, TResult>(MemberInfo memberInfo,
IAzureStorageTableEntity <TEntity> updatedEntity, IAzureStorageTableEntity <TEntity> existingEntity,
AzureTableDriverDynamic repository,
Func <Func <Task>, TResult> onSuccessWithRollback,
Func <TResult> onFailure)
{
var newValue = memberInfo.GetValue(updatedEntity.Entity);
var existingValue = memberInfo.GetValue(updatedEntity.Entity);
if (newValue.GetType().IsAssignableTo(typeof(System.Delegate)))
{
var dele = (Delegate)newValue;
var deleType = dele.Target.GetType();
if (deleType.DeclaringType.GUID == typeof(StorageSubtableAttribute).GUID)
{
return(onSuccessWithRollback(() => true.AsTask()));
}
}
var rowKeyRef = updatedEntity.RowKey;
var partitionKeyRef = updatedEntity.PartitionKey;
var memberType = typeof(TEntity);
var taskValue = newValue.ExecuteFunction(out Type taskType);
var resultValue = await taskValue.CastAsTaskObjectAsync(out Type typeToSave);
var rawValues = Serialize(resultValue, typeToSave);
ITableEntity subtableEntity = new SubtableEntity(rowKeyRef, partitionKeyRef, rawValues);
var tableName = StorageLookupAttribute.GetMemberTableName(memberInfo);
var tableRef = repository.TableClient.GetTableReference(tableName);
return(await repository.InsertOrReplaceAsync(subtableEntity, new E5CloudTable(tableRef),
(created, tr) => onSuccessWithRollback(() => 1.AsTask())));
}
public async Task <TResult> ExecuteCreateAsync <TEntity, TResult>(MemberInfo memberInfo,
string rowKeyRef, string partitionKeyRef, TEntity value, IDictionary <string, EntityProperty> dictionary,
AzureTableDriverDynamic repository,
Func <Func <Task>, TResult> onSuccessWithRollback,
Func <TResult> onFailure)
{
var memberType = typeof(TEntity);
var taskValue = value.ExecuteFunction(out Type taskType);
var resultValue = await taskValue.CastAsTaskObjectAsync(out Type typeToSave);
var rawValues = Serialize(resultValue, typeToSave);
var subtableEntity = new SubtableEntity(rowKeyRef, partitionKeyRef, rawValues);
var tableName = StorageLookupAttribute.GetMemberTableName(memberInfo);
var tableRef = repository.TableClient.GetTableReference(tableName);
return(await repository.CreateAsync(subtableEntity, new E5CloudTable(tableRef),
(discard, discard2) => onSuccessWithRollback(() => 1.AsTask()),
onAlreadyExists : () => onFailure()));
}
public static Func <Task <T> > GetLookupDelegate <T>(MemberInfo memberInfo,
string rowKey, string partitionKey, IProvideEntity entityProvider)
{
var repository = AzureTableDriverDynamic.FromSettings();
var tableName = StorageLookupAttribute.GetMemberTableName(memberInfo);
// var tableRef = repository.TableClient.GetTableReference(tableName);
Func <Task <T> > lookupDelegate = () =>
repository.FindByIdAsync <T, T>(rowKey, partitionKey,
onFound: (resource, tr) => resource,
onNotFound: () =>
{
if (typeof(T).IsArray)
{
return((T)typeof(T)
.GetElementType()
.ConstructEmptyArray());
}
return(default(T));
},
tableName: tableName,
entityProvider: entityProvider);
return(lookupDelegate);
}
